SEC Info - Ormat Technologies, Inc. - ‘10-K’ for 12/31/20

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Ormat Technologies, Inc. – ‘10-K’ for 12/31/20 – ‘EX-101.LAB’

On: Friday, 2/26/21, at 5:22pm ET · For: 12/31/20 · Accession #: 1437749-21-4274 · File #: 1-32347

Previous ‘10-K’: ‘10-K/A’ on 3/3/20 for 12/31/19 · Next: ‘10-K’ on 2/25/22 for 12/31/21 · Latest: ‘10-K’ on 2/23/24 for 12/31/23 · 33 References:

  As Of               Filer                 Filing    For·On·As Docs:Size             Issuer                      Filing Agent

 2/26/21  Ormat Technologies, Inc.          10-K       12/31/20  144:33M                                    RDG Filings/FA

Annual Report — Form 10-K
Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: 10-K        Annual Report                                       HTML   3.23M 
 2: EX-4.4      Instrument Defining the Rights of Security Holders  HTML     52K 
 3: EX-10.10    Material Contract                                   HTML    125K 
 4: EX-10.13    Material Contract                                   HTML    165K 
 5: EX-10.34    Material Contract                                   HTML    876K 
 6: EX-10.35    Material Contract                                   HTML     71K 
 7: EX-10.36    Material Contract                                   HTML    172K 
 8: EX-21.1     Subsidiaries List                                   HTML     41K 
 9: EX-23.1     Consent of Expert or Counsel                        HTML     40K 
10: EX-31.1     Certification -- §302 - SOA'02                      HTML     43K 
11: EX-31.2     Certification -- §302 - SOA'02                      HTML     44K 
12: EX-32.1     Certification -- §906 - SOA'02                      HTML     41K 
13: EX-32.2     Certification -- §906 - SOA'02                      HTML     41K 
20: R1          Document And Entity Information                     HTML    101K 
21: R2          Consolidated Balance Sheets                         HTML    199K 
22: R3          Consolidated Balance Sheets (Parentheticals)        HTML     71K 
23: R4          Consolidated Statements of Operations and           HTML    179K 
                Comprehensive Income (Loss)                                      
24: R5          Consolidated Statements of Equity                   HTML    185K 
25: R6          Consolidated Statements of Equity (Parentheticals)  HTML     52K 
26: R7          Consolidated Statements of Cash Flows               HTML    195K 
27: R8          Note 1 - Business and Significant Accounting        HTML    278K 
                Policies                                                         
28: R9          Note 2 - Business Acquisitions and Others           HTML     77K 
29: R10         Note 3 - Inventories                                HTML     49K 
30: R11         Note 4 - Cost and Estimated Earnings on             HTML     58K 
                Uncompleted Contracts                                            
31: R12         Note 5 - Investment in Unconsolidated Companies     HTML     58K 
32: R13         Note 6 - Variable Interest Entities                 HTML     86K 
33: R14         Note 7 - Fair Value of Financial Instruments        HTML    268K 
34: R15         Note 8 - Property, Plant and Equipment and          HTML    149K 
                Construction-in-process                                          
35: R16         Note 9 - Intangible Assets and Goodwill             HTML     62K 
36: R17         Note 10 - Accounts Payable and Accrued Expenses     HTML     59K 
37: R18         Note 11 - Long-term Debt, Credit Agreements and     HTML    250K 
                Commercial Paper                                                 
38: R19         Note 12 - Puna Power Plant Transactions             HTML     47K 
39: R20         Note 13 - Tax Monetization Transactions             HTML     59K 
40: R21         Note 14 - Asset Retirement Obligation               HTML     52K 
41: R22         Note 15 - Stock-based Compensation                  HTML    271K 
42: R23         Note 16 - Interest Expense, Net                     HTML     53K 
43: R24         Note 17 - Income Taxes                              HTML    189K 
44: R25         Note 18 - Business Segments                         HTML    204K 
45: R26         Note 19 - Transactions With Related Entities        HTML     44K 
46: R27         Note 20 - Employee Benefit Plan                     HTML     59K 
47: R28         Note 21 - Commitments and Contingencies             HTML     63K 
48: R29         Note 22 - Leases                                    HTML     91K 
49: R30         Note 23 - Quarterly Financial Information           HTML    189K 
                (Unaudited)                                                      
50: R31         Note 24 - Subsequent Events                         HTML     49K 
51: R32         Significant Accounting Policies (Policies)          HTML    347K 
52: R33         Note 1 - Business and Significant Accounting        HTML    150K 
                Policies (Tables)                                                
53: R34         Note 2 - Business Acquisitions and Others (Tables)  HTML     66K 
54: R35         Note 3 - Inventories (Tables)                       HTML     50K 
55: R36         Note 4 - Cost and Estimated Earnings on             HTML     57K 
                Uncompleted Contracts (Tables)                                   
56: R37         Note 5 - Investment in Unconsolidated Companies     HTML     55K 
                (Tables)                                                         
57: R38         Note 6 - Variable Interest Entities (Tables)        HTML     79K 
58: R39         Note 7 - Fair Value of Financial Instruments        HTML    261K 
                (Tables)                                                         
59: R40         Note 8 - Property, Plant and Equipment and          HTML    143K 
                Construction-in-process (Tables)                                 
60: R41         Note 9 - Intangible Assets and Goodwill (Tables)    HTML     58K 
61: R42         Note 10 - Accounts Payable and Accrued Expenses     HTML     58K 
                (Tables)                                                         
62: R43         Note 11 - Long-term Debt, Credit Agreements and     HTML    186K 
                Commercial Paper (Tables)                                        
63: R44         Note 14 - Asset Retirement Obligation (Tables)      HTML     51K 
64: R45         Note 15 - Stock-based Compensation (Tables)         HTML    256K 
65: R46         Note 16 - Interest Expense, Net (Tables)            HTML     53K 
66: R47         Note 17 - Income Taxes (Tables)                     HTML    174K 
67: R48         Note 18 - Business Segments (Tables)                HTML    200K 
68: R49         Note 20 - Employee Benefit Plan (Tables)            HTML     50K 
69: R50         Note 22 - Leases (Tables)                           HTML     90K 
70: R51         Note 23 - Quarterly Financial Information           HTML    188K 
                (Unaudited) (Tables)                                             
71: R52         Note 1 - Business and Significant Accounting        HTML    181K 
                Policies 1 (Details Textual)                                     
72: R53         Note 1 - Business and Significant Accounting        HTML     46K 
                Policies 2 (Details Textual)                                     
73: R54         Note 1 - Business and Significant Accounting        HTML     49K 
                Policies - Cash and Restricted Cash and Cash                     
                Equivalents (Details)                                            
74: R55         Note 1 - Business and Significant Accounting        HTML     61K 
                Policies - Property, Plant, and Equipment                        
                Estimated Useful Life (Details)                                  
75: R56         Note 1 - Business and Significant Accounting        HTML     58K 
                Policies - Contract Assets (Liabilities) (Details)               
76: R57         Note 1 - Business and Significant Accounting        HTML     96K 
                Policies - Impact of Adoption (Details)                          
77: R58         Note 1 - Business and Significant Accounting        HTML     46K 
                Policies - ROU Assets Useful Life (Details)                      
78: R59         Note 1 - Business and Significant Accounting        HTML     49K 
                Policies - Shares Used to Calculate Earnings Per                 
                Share (Details)                                                  
79: R60         Note 1 - Business and Significant Accounting        HTML     49K 
                Policies - Redeemable Noncontrolling Interest                    
                (Details)                                                        
80: R61         Note 1 - Business and Significant Accounting        HTML     47K 
                Policies - Changes in the Allowance for Expected                 
                Credit Losses (Details)                                          
81: R62         Note 2 - Business Acquisitions and Others (Details  HTML    107K 
                Textual)                                                         
82: R63         Note 2 - Business Acquisitions and Others - Fair    HTML     80K 
                Value of Amounts of Identified Assets and                        
                Liabilities Assumed in a Business Combination                    
                (Details)                                                        
83: R64         Note 2 - Business Acquisitions and Others -         HTML     46K 
                Summary of Pro Forma Information Related to a                    
                Business Combination (Details)                                   
84: R65         Note 3 - Inventories - Inventories, Current         HTML     47K 
                (Details)                                                        
85: R66         Note 4 - Cost and Estimated Earnings on             HTML     46K 
                Uncompleted Contracts - Cost and Estimated                       
                Earnings on Uncompleted Contracts (Details)                      
86: R67         Note 4 - Cost and Estimated Earnings on             HTML     47K 
                Uncompleted Contracts - Cost and Estimated                       
                Earnings on Uncompleted Contracts Included in                    
                Consolidated Balance Sheets (Details)                            
87: R68         Note 5 - Investment in Unconsolidated Companies     HTML     58K 
                (Details Textual)                                                
88: R69         Note 5 - Investment in Unconsolidated Companies -   HTML     45K 
                Unconsolidated Investments Mainly in Power Plants                
                (Details)                                                        
89: R70         Note 5 - Investment in Unconsolidated Companies -   HTML     44K 
                Unrealized Gain (Loss) on Derivative Instruments                 
                (Details)                                                        
90: R71         Note 6 - Variable Interest Entities - Assets and    HTML    114K 
                Liabilities for the Company's 2015 Variable                      
                Interest Entity (Details)                                        
91: R72         Note 7 - Fair Value of Financial Instruments        HTML     47K 
                (Details Textual)                                                
92: R73         Note 7 - Fair Value of Financial Instruments -      HTML     91K 
                Financial Assets and Liabilities at Fair Value                   
                (Details)                                                        
93: R74         Note 7 - Fair Value of Financial Instruments -      HTML     53K 
                Amounts of Gain (Loss) Recognized in Condensed                   
                Consolidated Statements on Derivative Instruments                
                Not Designated as Hedges (Details)                               
94: R75         Note 7 - Fair Value of Financial Instruments -      HTML     59K 
                Derivative Instruments in Other Comprehensive                    
                Income (Loss) (Details)                                          
95: R76         Note 7 - Fair Value of Financial Instruments -      HTML     90K 
                Fair Value of Long-term Debt Approximates Its                    
                Carrying Amount, Exceptions (Details)                            
96: R77         Note 7 - Fair Value of Financial Instruments -      HTML    116K 
                Fair Value of Financial Instruments (Details)                    
97: R78         Note 8 - Property, Plant and Equipment and          HTML     75K 
                Construction-in-process (Details Textual)                        
98: R79         Note 8 - Property, Plant and Equipment and          HTML     65K 
                Construction-in-process - Property, Plant and                    
                Equipment, Net (Details)                                         
99: R80         Note 8 - Property, Plant and Equipment and          HTML     55K 
                Construction-in-process - Construction-in-process                
                (Details)                                                        
100: R81         Note 8 - Property, Plant and Equipment and          HTML    104K  
                Construction-in-process - Activity in Construction               
                and Development (Details)                                        
101: R82         Note 9 - Intangible Assets and Goodwill (Details    HTML     63K  
                Textual)                                                         
102: R83         Note 9 - Intangible Assets and Goodwill -           HTML     55K  
                Estimated Future Amortization Expense (Details)                  
103: R84         Note 9 - Intangible Assets and Goodwill - Goodwill  HTML     47K  
                (Details)                                                        
104: R85         Note 10 - Accounts Payable and Accrued Expenses -   HTML     68K  
                Accounts Payable and Accrued Expenses (Details)                  
105: R86         Note 11 - Long-term Debt, Credit Agreements and     HTML    438K  
                Commercial Paper (Details Textual)                               
106: R87         Note 11 - Long-term Debt, Credit Agreements and     HTML    204K  
                Commercial Paper - Long-term Debt (Details)                      
107: R88         Note 11 - Long-term Debt, Credit Agreements and     HTML     58K  
                Commercial Paper - Future Minimum Payments Under                 
                Long-term Obligations (Details)                                  
108: R89         Note 12 - Puna Power Plant Transactions (Details    HTML     54K  
                Textual)                                                         
109: R90         Note 13 - Tax Monetization Transactions (Details    HTML    112K  
                Textual)                                                         
110: R91         Note 14 - Asset Retirement Obligations -            HTML     49K  
                Reconciliation of the Beginning and Ending                       
                Aggregate Carrying Amount of Asset Retirement                    
                Obligation (Details)                                             
111: R92         Note 15 - Stock-based Compensation (Details         HTML    177K  
                Textual)                                                         
112: R93         Note 15 - Stock-based Compensation - Compensation   HTML     52K  
                Related to Stock-based Awards (Details)                          
113: R94         Note 15 - Stock-based Compensation - Fair Value of  HTML     81K  
                Stock-based Award on the Date of Grant (Details)                 
114: R95         Note 15 - Stock-based Compensation - Fair Value of  HTML     58K  
                Stock-based Award Using Exercise Multiple-based                  
                Lattice SAR Pricing Model Assumptions (Details)                  
115: R96         Note 15 - Stock-based Compensation - Summary of     HTML     89K  
                the Status of the 2012 Incentive Plan (Details)                  
116: R97         Note 15 - Stock-based Compensation - Summary of     HTML    139K  
                Information About Stock-based Awards Outstanding                 
                (Details)                                                        
117: R98         Note 16 - Interest Expense, Net - Components of     HTML     49K  
                Interest Expense (Details)                                       
118: R99         Note 17 - Income Taxes (Details Textual)            HTML    176K  
119: R100        Note 17 - Income Taxes - Income From Continuing     HTML     50K  
                Operations Before Income Taxes and Equity in                     
                Income (Losses) of Investees (Details)                           
120: R101        Note 17 - Income Taxes - Components of Income Tax   HTML     73K  
                Provision (Details)                                              
121: R102        Note 17 - Income Taxes - Difference Between US      HTML     80K  
                Federal Statutory Tax Rate and Company's Effective               
                Tax Rate (Details)                                               
122: R103        Note 17 - Income Taxes - Net Deferred Tax Assets    HTML     82K  
                and Liabilities (Details)                                        
123: R104        Note 17 - Income Taxes - Reconciliation of          HTML     45K  
                Beginning and Ending Valuation Allowance (Details)               
124: R105        Note 17 - Income Taxes - Balance Sheet              HTML     51K  
                Presentation of Deferred Taxes (Details)                         
125: R106        Note 17 - Income Taxes - Reconciliation of          HTML     48K  
                Beginning and Ending Amounts of Unrecognized Tax                 
                Benefits (Details)                                               
126: R107        Note 17 - Income Taxes - Foreign Subsidiaries       HTML     53K  
                Income Tax Years Open to Examination (Details)                   
127: R108        Note 18 - Business Segments (Details Textual)       HTML     59K  
128: R109        Note 18 - Business Segments - Summarized Financial  HTML    112K  
                Information Concerning Reportable Segments                       
                (Details)                                                        
129: R110        Note 18 - Business Segments - Reconciling           HTML     74K  
                Information Between Reportable Segments and                      
                Consolidated Totals (Details)                                    
130: R111        Note 18 - Business Segments - Revenues as Reported  HTML     62K  
                in the Geographic Area (Details)                                 
131: R112        Note 18 - Business Segments - Long Lived Assets     HTML     46K  
                (Details)                                                        
132: R113        Note 18 - Business Segments - Revenue From Major    HTML     54K  
                Customers (Details)                                              
133: R114        Note 20 - Employee Benefit Plan (Details Textual)   HTML     54K  
134: R115        Note 20 - Employee Benefit Plan - Expected Future   HTML     53K  
                Benefit Payments (Details)                                       
135: R116        Note 21 - Commitments and Contingencies (Details    HTML     69K  
                Textual)                                                         
136: R117        Note 22 - Leases - Lessee's Total Lease Cost        HTML     74K  
                (Details)                                                        
137: R118        Note 22 - Leases - Lessee Future Minimum Lease      HTML     78K  
                Payments (Details)                                               
138: R119        Note 22 - Leases - Lease Income Recognized          HTML     41K  
                (Details)                                                        
139: R120        Note 23 - Quarterly Financial Information           HTML    150K  
                (Unaudited) - Quarterly Financial Information                    
                (Details)                                                        
140: R121        Note 24 - Subsequent Events (Details Textual)       HTML     52K  
142: XML         IDEA XML File -- Filing Summary                      XML    280K  
19: XML         XBRL Instance -- ora20201231_10k_htm                 XML   7.41M 
141: EXCEL       IDEA Workbook of Financial Reports                  XLSX    213K  
15: EX-101.CAL  XBRL Calculations -- ora-20201231_cal                XML    331K 
16: EX-101.DEF  XBRL Definitions -- ora-20201231_def                 XML   3.09M 
17: EX-101.LAB  XBRL Labels -- ora-20201231_lab                      XML   2.50M 
18: EX-101.PRE  XBRL Presentations -- ora-20201231_pre               XML   3.13M 
14: EX-101.SCH  XBRL Schema -- ora-20201231                          XSD    506K 
143: JSON        XBRL Instance as JSON Data -- MetaLinks              721±  1.22M  
144: ZIP         XBRL Zipped Folder -- 0001437749-21-004274-xbrl      Zip   1.88M

‘EX-101.LAB’ — XBRL Labels — ora-20201231_lab

This Exhibit is an XBRL XML File.

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<link:label xlink:label="us-gaap_UnsecuredLongTermDebt-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Senior unsecured bonds (less deferred financing costs of $2,086 and $675, respectively) </link:label>

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<link:label xlink:label="ora_NoteToFinancialStatementDetailsTextual-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Note To Financial Statement Details Textual </link:label>

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<link:loc xlink:href="ora-20201231.xsd#ora_statement-statement-significant-accounting-policies-policies" xlink:label="ora_statement-statement-significant-accounting-policies-policies" xlink:type="locator"/>

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<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTextBlock" xlink:label="us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTextBlock" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Payment Arrangement, Option, Exercise Price Range [Table Text Block] </link:label>

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<link:loc xlink:href="ora-20201231.xsd#ora_PartnershipAgreementExpectedAdditionalInstallments" xlink:label="ora_PartnershipAgreementExpectedAdditionalInstallments" xlink:type="locator"/>

<link:label xlink:label="ora_PartnershipAgreementExpectedAdditionalInstallments-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_PartnershipAgreementExpectedAdditionalInstallments </link:label>

<link:label xlink:label="ora_PartnershipAgreementExpectedAdditionalInstallments-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Partnership Agreement, Expected Additional Installments </link:label>

<link:label xlink:label="ora_PartnershipAgreementExpectedAdditionalInstallments-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The amount of additional installments that are expected to be paid by the buyer pursuant to the partnership agreement. </link:label>

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<link:label xlink:label="ora_statement-statement-note-2-business-acquisitions-and-others-tables-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Note 2 - Business Acquisitions and Others </link:label>

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<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate </link:label>

<link:label xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Risk-free interest rate </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_statement-statement-note-3-inventories-tables" xlink:label="ora_statement-statement-note-3-inventories-tables" xlink:type="locator"/>

<link:label xlink:label="ora_statement-statement-note-3-inventories-tables-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Note 3 - Inventories </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_statement-statement-note-3-inventories-tables" xlink:to="ora_statement-statement-note-3-inventories-tables-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_statement-statement-note-4-cost-and-estimated-earnings-on-uncompleted-contracts-tables" xlink:label="ora_statement-statement-note-4-cost-and-estimated-earnings-on-uncompleted-contracts-tables" xlink:type="locator"/>

<link:label xlink:label="ora_statement-statement-note-4-cost-and-estimated-earnings-on-uncompleted-contracts-tables-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Note 4 - Cost and Estimated Earnings on Uncompleted Contracts </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_statement-statement-note-4-cost-and-estimated-earnings-on-uncompleted-contracts-tables" xlink:to="ora_statement-statement-note-4-cost-and-estimated-earnings-on-uncompleted-contracts-tables-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_statement-statement-note-5-investment-in-unconsolidated-companies-tables" xlink:label="ora_statement-statement-note-5-investment-in-unconsolidated-companies-tables" xlink:type="locator"/>

<link:label xlink:label="ora_statement-statement-note-5-investment-in-unconsolidated-companies-tables-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Note 5 - Investment in Unconsolidated Companies </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_statement-statement-note-5-investment-in-unconsolidated-companies-tables" xlink:to="ora_statement-statement-note-5-investment-in-unconsolidated-companies-tables-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_statement-statement-note-6-variable-interest-entities-tables" xlink:label="ora_statement-statement-note-6-variable-interest-entities-tables" xlink:type="locator"/>

<link:label xlink:label="ora_statement-statement-note-6-variable-interest-entities-tables-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Note 6 - Variable Interest Entities </link:label>

<link:loc xlink:href="ora-20201231.xsd#ora_statement-statement-note-7-fair-value-of-financial-instruments-tables" xlink:label="ora_statement-statement-note-7-fair-value-of-financial-instruments-tables" xlink:type="locator"/>

<link:label xlink:label="ora_statement-statement-note-7-fair-value-of-financial-instruments-tables-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Note 7 - Fair Value of Financial Instruments </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_statement-statement-note-7-fair-value-of-financial-instruments-tables" xlink:to="ora_statement-statement-note-7-fair-value-of-financial-instruments-tables-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_statement-statement-note-8-property-plant-and-equipment-and-constructioninprocess-tables" xlink:label="ora_statement-statement-note-8-property-plant-and-equipment-and-constructioninprocess-tables" xlink:type="locator"/>

<link:label xlink:label="ora_statement-statement-note-8-property-plant-and-equipment-and-constructioninprocess-tables-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Note 8 - Property, Plant and Equipment and Construction-in-process </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_statement-statement-note-8-property-plant-and-equipment-and-constructioninprocess-tables" xlink:to="ora_statement-statement-note-8-property-plant-and-equipment-and-constructioninprocess-tables-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LongTermDebtNoncurrentAbstract" xlink:label="us-gaap_LongTermDebtNoncurrentAbstract" xlink:type="locator"/>

<link:label xlink:label="us-gaap_LongTermDebtNoncurrentAbstract-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long-term debt, net of current portion: </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtNoncurrentAbstract" xlink:to="us-gaap_LongTermDebtNoncurrentAbstract-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_statement-statement-note-9-intangible-assets-and-goodwill-tables" xlink:label="ora_statement-statement-note-9-intangible-assets-and-goodwill-tables" xlink:type="locator"/>

<link:label xlink:label="ora_statement-statement-note-9-intangible-assets-and-goodwill-tables-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Note 9 - Intangible Assets and Goodwill </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_statement-statement-note-9-intangible-assets-and-goodwill-tables" xlink:to="ora_statement-statement-note-9-intangible-assets-and-goodwill-tables-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_statement-statement-note-10-accounts-payable-and-accrued-expenses-tables" xlink:label="ora_statement-statement-note-10-accounts-payable-and-accrued-expenses-tables" xlink:type="locator"/>

<link:label xlink:label="ora_statement-statement-note-10-accounts-payable-and-accrued-expenses-tables-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Note 10 - Accounts Payable and Accrued Expenses </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_statement-statement-note-10-accounts-payable-and-accrued-expenses-tables" xlink:to="ora_statement-statement-note-10-accounts-payable-and-accrued-expenses-tables-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_statement-statement-note-11-longterm-debt-credit-agreements-and-commercial-paper-tables" xlink:label="ora_statement-statement-note-11-longterm-debt-credit-agreements-and-commercial-paper-tables" xlink:type="locator"/>

<link:label xlink:label="ora_statement-statement-note-11-longterm-debt-credit-agreements-and-commercial-paper-tables-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Note 11 - Long-term Debt, Credit Agreements and Commercial Paper </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_statement-statement-note-11-longterm-debt-credit-agreements-and-commercial-paper-tables" xlink:to="ora_statement-statement-note-11-longterm-debt-credit-agreements-and-commercial-paper-tables-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_statement-statement-note-14-asset-retirement-obligation-tables" xlink:label="ora_statement-statement-note-14-asset-retirement-obligation-tables" xlink:type="locator"/>

<link:label xlink:label="ora_statement-statement-note-14-asset-retirement-obligation-tables-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Note 14 - Asset Retirement Obligation </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate </link:label>

<link:label xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Expected volatility </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_statement-statement-note-15-stockbased-compensation-tables" xlink:label="ora_statement-statement-note-15-stockbased-compensation-tables" xlink:type="locator"/>

<link:label xlink:label="ora_statement-statement-note-15-stockbased-compensation-tables-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Note 15 - Stock-based Compensation </link:label>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LiabilitiesCurrent" xlink:label="us-gaap_LiabilitiesCurrent" xlink:type="locator"/>

<link:label xlink:label="us-gaap_LiabilitiesCurrent-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_LiabilitiesCurrent </link:label>

<link:label xlink:label="us-gaap_LiabilitiesCurrent-label" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total current liabilities </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesCurrent" xlink:to="us-gaap_LiabilitiesCurrent-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_statement-statement-note-16-interest-expense-net-tables" xlink:label="ora_statement-statement-note-16-interest-expense-net-tables" xlink:type="locator"/>

<link:label xlink:label="ora_statement-statement-note-16-interest-expense-net-tables-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Note 16 - Interest Expense, Net </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_statement-statement-note-16-interest-expense-net-tables" xlink:to="ora_statement-statement-note-16-interest-expense-net-tables-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_statement-statement-note-17-income-taxes-tables" xlink:label="ora_statement-statement-note-17-income-taxes-tables" xlink:type="locator"/>

<link:label xlink:label="ora_statement-statement-note-17-income-taxes-tables-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Note 17 - Income Taxes </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_statement-statement-note-17-income-taxes-tables" xlink:to="ora_statement-statement-note-17-income-taxes-tables-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_statement-statement-note-18-business-segments-tables" xlink:label="ora_statement-statement-note-18-business-segments-tables" xlink:type="locator"/>

<link:label xlink:label="ora_statement-statement-note-18-business-segments-tables-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Note 18 - Business Segments </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_statement-statement-note-18-business-segments-tables" xlink:to="ora_statement-statement-note-18-business-segments-tables-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_statement-statement-note-20-employee-benefit-plan-tables" xlink:label="ora_statement-statement-note-20-employee-benefit-plan-tables" xlink:type="locator"/>

<link:label xlink:label="ora_statement-statement-note-20-employee-benefit-plan-tables-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Note 20 - Employee Benefit Plan </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_statement-statement-note-20-employee-benefit-plan-tables" xlink:to="ora_statement-statement-note-20-employee-benefit-plan-tables-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1" xlink:type="locator"/>

<link:label xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1 </link:label>

<link:label xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Expected life (in years) (Year) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_statement-statement-note-22-leases-tables" xlink:label="ora_statement-statement-note-22-leases-tables" xlink:type="locator"/>

<link:label xlink:label="ora_statement-statement-note-22-leases-tables-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Note 22 - Leases </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_statement-statement-note-22-leases-tables" xlink:to="ora_statement-statement-note-22-leases-tables-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_statement-statement-note-23-quarterly-financial-information-unaudited-tables" xlink:label="ora_statement-statement-note-23-quarterly-financial-information-unaudited-tables" xlink:type="locator"/>

<link:label xlink:label="ora_statement-statement-note-23-quarterly-financial-information-unaudited-tables-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Note 23 - Quarterly Financial Information (Unaudited) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_statement-statement-note-23-quarterly-financial-information-unaudited-tables" xlink:to="ora_statement-statement-note-23-quarterly-financial-information-unaudited-tables-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_statement-statement-note-1-business-and-significant-accounting-policies-cash-and-restricted-cash-and-cash-equivalents-details" xlink:label="ora_statement-statement-note-1-business-and-significant-accounting-policies-cash-and-restricted-cash-and-cash-equivalents-details" xlink:type="locator"/>

<link:label xlink:label="ora_statement-statement-note-1-business-and-significant-accounting-policies-cash-and-restricted-cash-and-cash-equivalents-details-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Note 1 - Business and Significant Accounting Policies - Cash and Restricted Cash and Cash Equivalents (Details) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_statement-statement-note-1-business-and-significant-accounting-policies-cash-and-restricted-cash-and-cash-equivalents-details" xlink:to="ora_statement-statement-note-1-business-and-significant-accounting-policies-cash-and-restricted-cash-and-cash-equivalents-details-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_statement-statement-note-1-business-and-significant-accounting-policies-property-plant-and-equipment-estimated-useful-life-details" xlink:label="ora_statement-statement-note-1-business-and-significant-accounting-policies-property-plant-and-equipment-estimated-useful-life-details" xlink:type="locator"/>

<link:label xlink:label="ora_statement-statement-note-1-business-and-significant-accounting-policies-property-plant-and-equipment-estimated-useful-life-details-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Note 1 - Business and Significant Accounting Policies - Property, Plant, and Equipment Estimated Useful Life (Details) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_statement-statement-note-1-business-and-significant-accounting-policies-property-plant-and-equipment-estimated-useful-life-details" xlink:to="ora_statement-statement-note-1-business-and-significant-accounting-policies-property-plant-and-equipment-estimated-useful-life-details-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_statement-statement-note-1-business-and-significant-accounting-policies-contract-assets-liabilities-details" xlink:label="ora_statement-statement-note-1-business-and-significant-accounting-policies-contract-assets-liabilities-details" xlink:type="locator"/>

<link:label xlink:label="ora_statement-statement-note-1-business-and-significant-accounting-policies-contract-assets-liabilities-details-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Note 1 - Business and Significant Accounting Policies - Contract Assets (Liabilities) (Details) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_statement-statement-note-1-business-and-significant-accounting-policies-contract-assets-liabilities-details" xlink:to="ora_statement-statement-note-1-business-and-significant-accounting-policies-contract-assets-liabilities-details-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_TungstenMember" xlink:label="ora_TungstenMember" xlink:type="locator"/>

<link:label xlink:label="ora_TungstenMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Tungsten [Member] </link:label>

<link:label xlink:label="ora_TungstenMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Information related to Tungsten. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_TungstenMember" xlink:to="ora_TungstenMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_GeothermieBouillanteSaGbMember" xlink:label="ora_GeothermieBouillanteSaGbMember" xlink:type="locator"/>

<link:label xlink:label="ora_GeothermieBouillanteSaGbMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Geothermie Bouillante SA (“GB”) [Member] </link:label>

<link:label xlink:label="ora_GeothermieBouillanteSaGbMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents information about Geothermie Bouillante SA (“GB”). </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_GeothermieBouillanteSaGbMember" xlink:to="ora_GeothermieBouillanteSaGbMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_Guadeloupe1Member" xlink:label="ora_Guadeloupe1Member" xlink:type="locator"/>

<link:label xlink:label="ora_Guadeloupe1Member-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Guadeloupe 1 [Member] </link:label>

<link:label xlink:label="ora_Guadeloupe1Member-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Information related to Guadeloupe 1. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_Guadeloupe1Member" xlink:to="ora_Guadeloupe1Member-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PurchaseCommitmentExcludingLongtermCommitmentAxis" xlink:label="us-gaap_PurchaseCommitmentExcludingLongtermCommitmentAxis" xlink:type="locator"/>

<link:label xlink:label="us-gaap_PurchaseCommitmentExcludingLongtermCommitmentAxis-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Purchase Commitment, Excluding Long-term Commitment [Axis] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PurchaseCommitmentExcludingLongtermCommitmentAxis" xlink:to="us-gaap_PurchaseCommitmentExcludingLongtermCommitmentAxis-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_statement-statement-note-1-business-and-significant-accounting-policies-impact-of-adoption-details" xlink:label="ora_statement-statement-note-1-business-and-significant-accounting-policies-impact-of-adoption-details" xlink:type="locator"/>

<link:label xlink:label="ora_statement-statement-note-1-business-and-significant-accounting-policies-impact-of-adoption-details-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Note 1 - Business and Significant Accounting Policies - Impact of Adoption (Details) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_statement-statement-note-1-business-and-significant-accounting-policies-impact-of-adoption-details" xlink:to="ora_statement-statement-note-1-business-and-significant-accounting-policies-impact-of-adoption-details-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PurchaseCommitmentExcludingLongtermCommitmentDomain" xlink:label="us-gaap_PurchaseCommitmentExcludingLongtermCommitmentDomain" xlink:type="locator"/>

<link:label xlink:label="us-gaap_PurchaseCommitmentExcludingLongtermCommitmentDomain-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Purchase Commitment, Excluding Long-term Commitment [Domain] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PurchaseCommitmentExcludingLongtermCommitmentDomain" xlink:to="us-gaap_PurchaseCommitmentExcludingLongtermCommitmentDomain-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_statement-statement-note-1-business-and-significant-accounting-policies-rou-assets-useful-life-details" xlink:label="ora_statement-statement-note-1-business-and-significant-accounting-policies-rou-assets-useful-life-details" xlink:type="locator"/>

<link:label xlink:label="ora_statement-statement-note-1-business-and-significant-accounting-policies-rou-assets-useful-life-details-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Note 1 - Business and Significant Accounting Policies - ROU Assets Useful Life (Details) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_statement-statement-note-1-business-and-significant-accounting-policies-rou-assets-useful-life-details" xlink:to="ora_statement-statement-note-1-business-and-significant-accounting-policies-rou-assets-useful-life-details-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_statement-statement-note-1-business-and-significant-accounting-policies-shares-used-to-calculate-earnings-per-share-details" xlink:label="ora_statement-statement-note-1-business-and-significant-accounting-policies-shares-used-to-calculate-earnings-per-share-details" xlink:type="locator"/>

<link:label xlink:label="ora_statement-statement-note-1-business-and-significant-accounting-policies-shares-used-to-calculate-earnings-per-share-details-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Note 1 - Business and Significant Accounting Policies - Shares Used to Calculate Earnings Per Share (Details) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_statement-statement-note-1-business-and-significant-accounting-policies-shares-used-to-calculate-earnings-per-share-details" xlink:to="ora_statement-statement-note-1-business-and-significant-accounting-policies-shares-used-to-calculate-earnings-per-share-details-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndCashEquivalentsAndRestrictedCash" xlink:label="ora_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndCashEquivalentsAndRestrictedCash" xlink:type="locator"/>

<link:label xlink:label="ora_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndCashEquivalentsAndRestrictedCash-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Cash and cash equivalents and restricted cash </link:label>

<link:label xlink:label="ora_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndCashEquivalentsAndRestrictedCash-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Amount of cash and cash equivalents and restricted cash acquired at the date of the acquisition. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndCashEquivalentsAndRestrictedCash" xlink:to="ora_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndCashEquivalentsAndRestrictedCash-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_statement-statement-note-1-business-and-significant-accounting-policies-redeemable-noncontrolling-interest-details" xlink:label="ora_statement-statement-note-1-business-and-significant-accounting-policies-redeemable-noncontrolling-interest-details" xlink:type="locator"/>

<link:label xlink:label="ora_statement-statement-note-1-business-and-significant-accounting-policies-redeemable-noncontrolling-interest-details-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Note 1 - Business and Significant Accounting Policies - Redeemable Noncontrolling Interest (Details) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_statement-statement-note-1-business-and-significant-accounting-policies-redeemable-noncontrolling-interest-details" xlink:to="ora_statement-statement-note-1-business-and-significant-accounting-policies-redeemable-noncontrolling-interest-details-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_BusinessAcquisitionProFormaOperatingIncomeLossSinceAcquisitionDateActual" xlink:label="ora_BusinessAcquisitionProFormaOperatingIncomeLossSinceAcquisitionDateActual" xlink:type="locator"/>

<link:label xlink:label="ora_BusinessAcquisitionProFormaOperatingIncomeLossSinceAcquisitionDateActual-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_BusinessAcquisitionProFormaOperatingIncomeLossSinceAcquisitionDateActual </link:label>

<link:label xlink:label="ora_BusinessAcquisitionProFormaOperatingIncomeLossSinceAcquisitionDateActual-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Business Acquisition, Pro Forma Operating Income (Loss) since Acquisition Date, Actual </link:label>

<link:label xlink:label="ora_BusinessAcquisitionProFormaOperatingIncomeLossSinceAcquisitionDateActual-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Amount of operating income (loss) of the acquiree since the acquisition date included in the consolidated income statement for the reporting period. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_BusinessAcquisitionProFormaOperatingIncomeLossSinceAcquisitionDateActual" xlink:to="ora_BusinessAcquisitionProFormaOperatingIncomeLossSinceAcquisitionDateActual-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_statement-statement-note-1-business-and-significant-accounting-policies-changes-in-the-allowance-for-expected-credit-losses-details" xlink:label="ora_statement-statement-note-1-business-and-significant-accounting-policies-changes-in-the-allowance-for-expected-credit-losses-details" xlink:type="locator"/>

<link:label xlink:label="ora_statement-statement-note-1-business-and-significant-accounting-policies-changes-in-the-allowance-for-expected-credit-losses-details-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Note 1 - Business and Significant Accounting Policies - Changes in the Allowance for Expected Credit Losses (Details) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_statement-statement-note-1-business-and-significant-accounting-policies-changes-in-the-allowance-for-expected-credit-losses-details" xlink:to="ora_statement-statement-note-1-business-and-significant-accounting-policies-changes-in-the-allowance-for-expected-credit-losses-details-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_LongtermElectricityPowerPurchaseAgreementsMember" xlink:label="ora_LongtermElectricityPowerPurchaseAgreementsMember" xlink:type="locator"/>

<link:label xlink:label="ora_LongtermElectricityPowerPurchaseAgreementsMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long-term Electricity Power Purchase Agreements [Member] </link:label>

<link:label xlink:label="ora_LongtermElectricityPowerPurchaseAgreementsMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Information related to long-term power purchase agreements. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_LongtermElectricityPowerPurchaseAgreementsMember" xlink:to="ora_LongtermElectricityPowerPurchaseAgreementsMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_statement-statement-note-2-business-acquisitions-and-others-fair-value-of-amounts-of-identified-assets-and-liabilities-assumed-in-a-business-combination-details" xlink:label="ora_statement-statement-note-2-business-acquisitions-and-others-fair-value-of-amounts-of-identified-assets-and-liabilities-assumed-in-a-business-combination-details" xlink:type="locator"/>

<link:label xlink:label="ora_statement-statement-note-2-business-acquisitions-and-others-fair-value-of-amounts-of-identified-assets-and-liabilities-assumed-in-a-business-combination-details-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Note 2 - Business Acquisitions and Others - Fair Value of Amounts of Identified Assets and Liabilities Assumed in a Business Combination (Details) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_statement-statement-note-2-business-acquisitions-and-others-fair-value-of-amounts-of-identified-assets-and-liabilities-assumed-in-a-business-combination-details" xlink:to="ora_statement-statement-note-2-business-acquisitions-and-others-fair-value-of-amounts-of-identified-assets-and-liabilities-assumed-in-a-business-combination-details-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedRestrictedCashAndCashEquivalents" xlink:label="ora_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedRestrictedCashAndCashEquivalents" xlink:type="locator"/>

<link:label xlink:label="ora_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedRestrictedCashAndCashEquivalents-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Restricted cash and cash equivalents acquired in a business combination </link:label>

<link:label xlink:label="ora_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedRestrictedCashAndCashEquivalents-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Amount of restricted cash and cash equivalents acquired in a business combination. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedRestrictedCashAndCashEquivalents" xlink:to="ora_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedRestrictedCashAndCashEquivalents-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_statement-statement-note-2-business-acquisitions-and-others-summary-of-pro-forma-information-related-to-a-business-combination-details" xlink:label="ora_statement-statement-note-2-business-acquisitions-and-others-summary-of-pro-forma-information-related-to-a-business-combination-details" xlink:type="locator"/>

<link:label xlink:label="ora_statement-statement-note-2-business-acquisitions-and-others-summary-of-pro-forma-information-related-to-a-business-combination-details-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Note 2 - Business Acquisitions and Others - Summary of Pro Forma Information Related to a Business Combination (Details) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_statement-statement-note-2-business-acquisitions-and-others-summary-of-pro-forma-information-related-to-a-business-combination-details" xlink:to="ora_statement-statement-note-2-business-acquisitions-and-others-summary-of-pro-forma-information-related-to-a-business-combination-details-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other than Options, weighted average exercise price (in dollars per share) </link:label>

<link:label xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value (in dollars per share) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_statement-statement-note-3-inventories-inventories-current-details" xlink:label="ora_statement-statement-note-3-inventories-inventories-current-details" xlink:type="locator"/>

<link:label xlink:label="ora_statement-statement-note-3-inventories-inventories-current-details-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Note 3 - Inventories - Inventories, Current (Details) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_statement-statement-note-3-inventories-inventories-current-details" xlink:to="ora_statement-statement-note-3-inventories-inventories-current-details-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_statement-statement-note-4-cost-and-estimated-earnings-on-uncompleted-contracts-cost-and-estimated-earnings-on-uncompleted-contracts-details" xlink:label="ora_statement-statement-note-4-cost-and-estimated-earnings-on-uncompleted-contracts-cost-and-estimated-earnings-on-uncompleted-contracts-details" xlink:type="locator"/>

<link:label xlink:label="ora_statement-statement-note-4-cost-and-estimated-earnings-on-uncompleted-contracts-cost-and-estimated-earnings-on-uncompleted-contracts-details-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Note 4 - Cost and Estimated Earnings on Uncompleted Contracts - Cost and Estimated Earnings on Uncompleted Contracts (Details) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_statement-statement-note-4-cost-and-estimated-earnings-on-uncompleted-contracts-cost-and-estimated-earnings-on-uncompleted-contracts-details" xlink:to="ora_statement-statement-note-4-cost-and-estimated-earnings-on-uncompleted-contracts-cost-and-estimated-earnings-on-uncompleted-contracts-details-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DerivativeLiabilitiesCurrent" xlink:label="us-gaap_DerivativeLiabilitiesCurrent" xlink:type="locator"/>

<link:label xlink:label="us-gaap_DerivativeLiabilitiesCurrent-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_DerivativeLiabilitiesCurrent </link:label>

<link:label xlink:label="us-gaap_DerivativeLiabilitiesCurrent-label" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Derivative Liability, Current </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeLiabilitiesCurrent" xlink:to="us-gaap_DerivativeLiabilitiesCurrent-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetRetirementObligaiton" xlink:label="ora_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetRetirementObligaiton" xlink:type="locator"/>

<link:label xlink:label="ora_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetRetirementObligaiton-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetRetirementObligaiton </link:label>

<link:label xlink:label="ora_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetRetirementObligaiton-label" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Asset retirement obligation </link:label>

<link:label xlink:label="ora_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetRetirementObligaiton-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Amount of asset retirement obligations assumed at the acquisition date. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetRetirementObligaiton" xlink:to="ora_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetRetirementObligaiton-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_statement-statement-note-4-cost-and-estimated-earnings-on-uncompleted-contracts-cost-and-estimated-earnings-on-uncompleted-contracts-included-in-consolidated-balance-sheets-details" xlink:label="ora_statement-statement-note-4-cost-and-estimated-earnings-on-uncompleted-contracts-cost-and-estimated-earnings-on-uncompleted-contracts-included-in-consolidated-balance-sheets-details" xlink:type="locator"/>

<link:label xlink:label="ora_statement-statement-note-4-cost-and-estimated-earnings-on-uncompleted-contracts-cost-and-estimated-earnings-on-uncompleted-contracts-included-in-consolidated-balance-sheets-details-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Note 4 - Cost and Estimated Earnings on Uncompleted Contracts - Cost and Estimated Earnings on Uncompleted Contracts Included in Consolidated Balance Sheets (Details) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_statement-statement-note-4-cost-and-estimated-earnings-on-uncompleted-contracts-cost-and-estimated-earnings-on-uncompleted-contracts-included-in-consolidated-balance-sheets-details" xlink:to="ora_statement-statement-note-4-cost-and-estimated-earnings-on-uncompleted-contracts-cost-and-estimated-earnings-on-uncompleted-contracts-included-in-consolidated-balance-sheets-details-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipmentAndConstructioninprogress" xlink:label="ora_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipmentAndConstructioninprogress" xlink:type="locator"/>

<link:label xlink:label="ora_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipmentAndConstructioninprogress-label" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Property, plant and equipment, net </link:label>

<link:label xlink:label="ora_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipmentAndConstructioninprogress-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipmentAndConstructioninprogress </link:label>

<link:label xlink:label="ora_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipmentAndConstructioninprogress-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Amount of property, plant and equipment and construction-in-progress acquired at the acquisition date. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipmentAndConstructioninprogress" xlink:to="ora_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipmentAndConstructioninprogress-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_statement-statement-note-5-investment-in-unconsolidated-companies-unconsolidated-investments-mainly-in-power-plants-details" xlink:label="ora_statement-statement-note-5-investment-in-unconsolidated-companies-unconsolidated-investments-mainly-in-power-plants-details" xlink:type="locator"/>

<link:label xlink:label="ora_statement-statement-note-5-investment-in-unconsolidated-companies-unconsolidated-investments-mainly-in-power-plants-details-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Note 5 - Investment in Unconsolidated Companies - Unconsolidated Investments Mainly in Power Plants (Details) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_statement-statement-note-5-investment-in-unconsolidated-companies-unconsolidated-investments-mainly-in-power-plants-details" xlink:to="ora_statement-statement-note-5-investment-in-unconsolidated-companies-unconsolidated-investments-mainly-in-power-plants-details-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_statement-statement-note-5-investment-in-unconsolidated-companies-unrealized-gain-loss-on-derivative-instruments-details" xlink:label="ora_statement-statement-note-5-investment-in-unconsolidated-companies-unrealized-gain-loss-on-derivative-instruments-details" xlink:type="locator"/>

<link:label xlink:label="ora_statement-statement-note-5-investment-in-unconsolidated-companies-unrealized-gain-loss-on-derivative-instruments-details-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Note 5 - Investment in Unconsolidated Companies - Unrealized Gain (Loss) on Derivative Instruments (Details) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_statement-statement-note-5-investment-in-unconsolidated-companies-unrealized-gain-loss-on-derivative-instruments-details" xlink:to="ora_statement-statement-note-5-investment-in-unconsolidated-companies-unrealized-gain-loss-on-derivative-instruments-details-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_statement-statement-note-6-variable-interest-entities-assets-and-liabilities-for-the-companys-2015-variable-interest-entity-details" xlink:label="ora_statement-statement-note-6-variable-interest-entities-assets-and-liabilities-for-the-companys-2015-variable-interest-entity-details" xlink:type="locator"/>

<link:label xlink:label="ora_statement-statement-note-6-variable-interest-entities-assets-and-liabilities-for-the-companys-2015-variable-interest-entity-details-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Note 6 - Variable Interest Entities - Assets and Liabilities for the Company's 2015 Variable Interest Entity (Details) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_statement-statement-note-6-variable-interest-entities-assets-and-liabilities-for-the-companys-2015-variable-interest-entity-details" xlink:to="ora_statement-statement-note-6-variable-interest-entities-assets-and-liabilities-for-the-companys-2015-variable-interest-entity-details-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_EDFMember" xlink:label="ora_EDFMember" xlink:type="locator"/>

<link:label xlink:label="ora_EDFMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> EDF [Member] </link:label>

<link:label xlink:label="ora_EDFMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents information pertaining to Électricité de France S.A. ("EDF"), the French electric utility. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_EDFMember" xlink:to="ora_EDFMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax" xlink:label="us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax" xlink:type="locator"/>

<link:label xlink:label="us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax-label" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Change in foreign currency translation adjustments </link:label>

<link:label xlink:label="us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Foreign currency translation adjustments </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax" xlink:to="us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_statement-statement-note-7-fair-value-of-financial-instruments-financial-assets-and-liabilities-at-fair-value-details" xlink:label="ora_statement-statement-note-7-fair-value-of-financial-instruments-financial-assets-and-liabilities-at-fair-value-details" xlink:type="locator"/>

<link:label xlink:label="ora_statement-statement-note-7-fair-value-of-financial-instruments-financial-assets-and-liabilities-at-fair-value-details-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Note 7 - Fair Value of Financial Instruments - Financial Assets and Liabilities at Fair Value (Details) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_statement-statement-note-7-fair-value-of-financial-instruments-financial-assets-and-liabilities-at-fair-value-details" xlink:to="ora_statement-statement-note-7-fair-value-of-financial-instruments-financial-assets-and-liabilities-at-fair-value-details-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_statement-statement-note-7-fair-value-of-financial-instruments-amounts-of-gain-loss-recognized-in-condensed-consolidated-statements-on-derivative-instruments-not-designated-as-hedges-details" xlink:label="ora_statement-statement-note-7-fair-value-of-financial-instruments-amounts-of-gain-loss-recognized-in-condensed-consolidated-statements-on-derivative-instruments-not-designated-as-hedges-details" xlink:type="locator"/>

<link:label xlink:label="ora_statement-statement-note-7-fair-value-of-financial-instruments-amounts-of-gain-loss-recognized-in-condensed-consolidated-statements-on-derivative-instruments-not-designated-as-hedges-details-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Note 7 - Fair Value of Financial Instruments - Amounts of Gain (Loss) Recognized in Condensed Consolidated Statements on Derivative Instruments Not Designated as Hedges (Details) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_statement-statement-note-7-fair-value-of-financial-instruments-amounts-of-gain-loss-recognized-in-condensed-consolidated-statements-on-derivative-instruments-not-designated-as-hedges-details" xlink:to="ora_statement-statement-note-7-fair-value-of-financial-instruments-amounts-of-gain-loss-recognized-in-condensed-consolidated-statements-on-derivative-instruments-not-designated-as-hedges-details-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_statement-statement-note-7-fair-value-of-financial-instruments-derivative-instruments-in-other-comprehensive-income-loss-details" xlink:label="ora_statement-statement-note-7-fair-value-of-financial-instruments-derivative-instruments-in-other-comprehensive-income-loss-details" xlink:type="locator"/>

<link:label xlink:label="ora_statement-statement-note-7-fair-value-of-financial-instruments-derivative-instruments-in-other-comprehensive-income-loss-details-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Note 7 - Fair Value of Financial Instruments - Derivative Instruments in Other Comprehensive Income (Loss) (Details) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_statement-statement-note-7-fair-value-of-financial-instruments-derivative-instruments-in-other-comprehensive-income-loss-details" xlink:to="ora_statement-statement-note-7-fair-value-of-financial-instruments-derivative-instruments-in-other-comprehensive-income-loss-details-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_statement-statement-note-7-fair-value-of-financial-instruments-fair-value-of-longterm-debt-approximates-its-carrying-amount-exceptions-details" xlink:label="ora_statement-statement-note-7-fair-value-of-financial-instruments-fair-value-of-longterm-debt-approximates-its-carrying-amount-exceptions-details" xlink:type="locator"/>

<link:label xlink:label="ora_statement-statement-note-7-fair-value-of-financial-instruments-fair-value-of-longterm-debt-approximates-its-carrying-amount-exceptions-details-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Note 7 - Fair Value of Financial Instruments - Fair Value of Long-term Debt Approximates Its Carrying Amount, Exceptions (Details) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_statement-statement-note-7-fair-value-of-financial-instruments-fair-value-of-longterm-debt-approximates-its-carrying-amount-exceptions-details" xlink:to="ora_statement-statement-note-7-fair-value-of-financial-instruments-fair-value-of-longterm-debt-approximates-its-carrying-amount-exceptions-details-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other than Options (in shares) </link:label>

<link:label xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_statement-statement-note-7-fair-value-of-financial-instruments-fair-value-of-financial-instruments-details" xlink:label="ora_statement-statement-note-7-fair-value-of-financial-instruments-fair-value-of-financial-instruments-details" xlink:type="locator"/>

<link:label xlink:label="ora_statement-statement-note-7-fair-value-of-financial-instruments-fair-value-of-financial-instruments-details-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Note 7 - Fair Value of Financial Instruments - Fair Value of Financial Instruments (Details) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_statement-statement-note-7-fair-value-of-financial-instruments-fair-value-of-financial-instruments-details" xlink:to="ora_statement-statement-note-7-fair-value-of-financial-instruments-fair-value-of-financial-instruments-details-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_statement-statement-note-8-property-plant-and-equipment-and-constructioninprocess-property-plant-and-equipment-net-details" xlink:label="ora_statement-statement-note-8-property-plant-and-equipment-and-constructioninprocess-property-plant-and-equipment-net-details" xlink:type="locator"/>

<link:label xlink:label="ora_statement-statement-note-8-property-plant-and-equipment-and-constructioninprocess-property-plant-and-equipment-net-details-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Note 8 - Property, Plant and Equipment and Construction-in-process - Property, Plant and Equipment, Net (Details) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_statement-statement-note-8-property-plant-and-equipment-and-constructioninprocess-property-plant-and-equipment-net-details" xlink:to="ora_statement-statement-note-8-property-plant-and-equipment-and-constructioninprocess-property-plant-and-equipment-net-details-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_statement-statement-note-8-property-plant-and-equipment-and-constructioninprocess-constructioninprocess-details" xlink:label="ora_statement-statement-note-8-property-plant-and-equipment-and-constructioninprocess-constructioninprocess-details" xlink:type="locator"/>

<link:label xlink:label="ora_statement-statement-note-8-property-plant-and-equipment-and-constructioninprocess-constructioninprocess-details-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Note 8 - Property, Plant and Equipment and Construction-in-process - Construction-in-process (Details) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_statement-statement-note-8-property-plant-and-equipment-and-constructioninprocess-constructioninprocess-details" xlink:to="ora_statement-statement-note-8-property-plant-and-equipment-and-constructioninprocess-constructioninprocess-details-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber </link:label>

<link:label xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Number (in shares) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_statement-statement-note-8-property-plant-and-equipment-and-constructioninprocess-activity-in-construction-and-development-details" xlink:label="ora_statement-statement-note-8-property-plant-and-equipment-and-constructioninprocess-activity-in-construction-and-development-details" xlink:type="locator"/>

<link:label xlink:label="ora_statement-statement-note-8-property-plant-and-equipment-and-constructioninprocess-activity-in-construction-and-development-details-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Note 8 - Property, Plant and Equipment and Construction-in-process - Activity in Construction and Development (Details) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_statement-statement-note-8-property-plant-and-equipment-and-constructioninprocess-activity-in-construction-and-development-details" xlink:to="ora_statement-statement-note-8-property-plant-and-equipment-and-constructioninprocess-activity-in-construction-and-development-details-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_statement-statement-note-9-intangible-assets-and-goodwill-estimated-future-amortization-expense-details" xlink:label="ora_statement-statement-note-9-intangible-assets-and-goodwill-estimated-future-amortization-expense-details" xlink:type="locator"/>

<link:label xlink:label="ora_statement-statement-note-9-intangible-assets-and-goodwill-estimated-future-amortization-expense-details-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Note 9 - Intangible Assets and Goodwill - Estimated Future Amortization Expense (Details) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_statement-statement-note-9-intangible-assets-and-goodwill-estimated-future-amortization-expense-details" xlink:to="ora_statement-statement-note-9-intangible-assets-and-goodwill-estimated-future-amortization-expense-details-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_statement-statement-note-9-intangible-assets-and-goodwill-goodwill-details" xlink:label="ora_statement-statement-note-9-intangible-assets-and-goodwill-goodwill-details" xlink:type="locator"/>

<link:label xlink:label="ora_statement-statement-note-9-intangible-assets-and-goodwill-goodwill-details-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Note 9 - Intangible Assets and Goodwill - Goodwill (Details) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_statement-statement-note-9-intangible-assets-and-goodwill-goodwill-details" xlink:to="ora_statement-statement-note-9-intangible-assets-and-goodwill-goodwill-details-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_USGDOEMember" xlink:label="ora_USGDOEMember" xlink:type="locator"/>

<link:label xlink:label="ora_USGDOEMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> USG DOE [Member] </link:label>

<link:label xlink:label="ora_USGDOEMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Information related to USG DOE. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_USGDOEMember" xlink:to="ora_USGDOEMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_statement-statement-note-10-accounts-payable-and-accrued-expenses-accounts-payable-and-accrued-expenses-details" xlink:label="ora_statement-statement-note-10-accounts-payable-and-accrued-expenses-accounts-payable-and-accrued-expenses-details" xlink:type="locator"/>

<link:label xlink:label="ora_statement-statement-note-10-accounts-payable-and-accrued-expenses-accounts-payable-and-accrued-expenses-details-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Note 10 - Accounts Payable and Accrued Expenses - Accounts Payable and Accrued Expenses (Details) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_statement-statement-note-10-accounts-payable-and-accrued-expenses-accounts-payable-and-accrued-expenses-details" xlink:to="ora_statement-statement-note-10-accounts-payable-and-accrued-expenses-accounts-payable-and-accrued-expenses-details-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_USGPrudentialIDMember" xlink:label="ora_USGPrudentialIDMember" xlink:type="locator"/>

<link:label xlink:label="ora_USGPrudentialIDMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> USG Prudential - ID [Member] </link:label>

<link:label xlink:label="ora_USGPrudentialIDMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Information related to USG Prudential - ID </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_USGPrudentialIDMember" xlink:to="ora_USGPrudentialIDMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherLoansPayableCurrent" xlink:label="us-gaap_OtherLoansPayableCurrent" xlink:type="locator"/>

<link:label xlink:label="us-gaap_OtherLoansPayableCurrent-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other loans </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherLoansPayableCurrent" xlink:to="us-gaap_OtherLoansPayableCurrent-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_statement-statement-note-11-longterm-debt-credit-agreements-and-commercial-paper-longterm-debt-details" xlink:label="ora_statement-statement-note-11-longterm-debt-credit-agreements-and-commercial-paper-longterm-debt-details" xlink:type="locator"/>

<link:label xlink:label="ora_statement-statement-note-11-longterm-debt-credit-agreements-and-commercial-paper-longterm-debt-details-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Note 11 - Long-term Debt, Credit Agreements and Commercial Paper - Long-term Debt (Details) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_statement-statement-note-11-longterm-debt-credit-agreements-and-commercial-paper-longterm-debt-details" xlink:to="ora_statement-statement-note-11-longterm-debt-credit-agreements-and-commercial-paper-longterm-debt-details-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_USGPrudentialNVMember" xlink:label="ora_USGPrudentialNVMember" xlink:type="locator"/>

<link:label xlink:label="ora_USGPrudentialNVMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> USG Prudential - NV [Member] </link:label>

<link:label xlink:label="ora_USGPrudentialNVMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Information related to USG Prudential - NV. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_USGPrudentialNVMember" xlink:to="ora_USGPrudentialNVMember-label" xlink:type="arc"/>

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<link:label xlink:label="ora_statement-statement-note-11-longterm-debt-credit-agreements-and-commercial-paper-future-minimum-payments-under-longterm-obligations-details-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Note 11 - Long-term Debt, Credit Agreements and Commercial Paper - Future Minimum Payments Under Long-term Obligations (Details) </link:label>

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<link:loc xlink:href="ora-20201231.xsd#ora_statement-statement-note-14-asset-retirement-obligations-reconciliation-of-the-beginning-and-ending-aggregate-carrying-amount-of-asset-retirement-obligation-details" xlink:label="ora_statement-statement-note-14-asset-retirement-obligations-reconciliation-of-the-beginning-and-ending-aggregate-carrying-amount-of-asset-retirement-obligation-details" xlink:type="locator"/>

<link:label xlink:label="ora_statement-statement-note-14-asset-retirement-obligations-reconciliation-of-the-beginning-and-ending-aggregate-carrying-amount-of-asset-retirement-obligation-details-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Note 14 - Asset Retirement Obligations - Reconciliation of the Beginning and Ending Aggregate Carrying Amount of Asset Retirement Obligation (Details) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_statement-statement-note-14-asset-retirement-obligations-reconciliation-of-the-beginning-and-ending-aggregate-carrying-amount-of-asset-retirement-obligation-details" xlink:to="ora_statement-statement-note-14-asset-retirement-obligations-reconciliation-of-the-beginning-and-ending-aggregate-carrying-amount-of-asset-retirement-obligation-details-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_statement-statement-note-15-stockbased-compensation-compensation-related-to-stockbased-awards-details" xlink:label="ora_statement-statement-note-15-stockbased-compensation-compensation-related-to-stockbased-awards-details" xlink:type="locator"/>

<link:label xlink:label="ora_statement-statement-note-15-stockbased-compensation-compensation-related-to-stockbased-awards-details-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Note 15 - Stock-based Compensation - Compensation Related to Stock-based Awards (Details) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_statement-statement-note-15-stockbased-compensation-compensation-related-to-stockbased-awards-details" xlink:to="ora_statement-statement-note-15-stockbased-compensation-compensation-related-to-stockbased-awards-details-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_statement-statement-note-15-stockbased-compensation-fair-value-of-stockbased-award-on-the-date-of-grant-details" xlink:label="ora_statement-statement-note-15-stockbased-compensation-fair-value-of-stockbased-award-on-the-date-of-grant-details" xlink:type="locator"/>

<link:label xlink:label="ora_statement-statement-note-15-stockbased-compensation-fair-value-of-stockbased-award-on-the-date-of-grant-details-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Note 15 - Stock-based Compensation - Fair Value of Stock-based Award on the Date of Grant (Details) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_statement-statement-note-15-stockbased-compensation-fair-value-of-stockbased-award-on-the-date-of-grant-details" xlink:to="ora_statement-statement-note-15-stockbased-compensation-fair-value-of-stockbased-award-on-the-date-of-grant-details-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1" xlink:type="locator"/>

<link:label xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Weighted average remaining contractual life in years, options exercisable (Year) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_EmployeesMember" xlink:label="ora_EmployeesMember" xlink:type="locator"/>

<link:label xlink:label="ora_EmployeesMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Employees [Member] </link:label>

<link:label xlink:label="ora_EmployeesMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Information related to employees. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_EmployeesMember" xlink:to="ora_EmployeesMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_statement-statement-note-15-stockbased-compensation-fair-value-of-stockbased-award-using-exercise-multiplebased-lattice-sar-pricing-model-assumptions-details" xlink:label="ora_statement-statement-note-15-stockbased-compensation-fair-value-of-stockbased-award-using-exercise-multiplebased-lattice-sar-pricing-model-assumptions-details" xlink:type="locator"/>

<link:label xlink:label="ora_statement-statement-note-15-stockbased-compensation-fair-value-of-stockbased-award-using-exercise-multiplebased-lattice-sar-pricing-model-assumptions-details-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Note 15 - Stock-based Compensation - Fair Value of Stock-based Award Using Exercise Multiple-based Lattice SAR Pricing Model Assumptions (Details) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_statement-statement-note-15-stockbased-compensation-fair-value-of-stockbased-award-using-exercise-multiplebased-lattice-sar-pricing-model-assumptions-details" xlink:to="ora_statement-statement-note-15-stockbased-compensation-fair-value-of-stockbased-award-using-exercise-multiplebased-lattice-sar-pricing-model-assumptions-details-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1" xlink:type="locator"/>

<link:label xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Aggregate intrinsic value, options exercisable </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_StockAppreciationRightsAndRestrictedStockUnitsMember" xlink:label="ora_StockAppreciationRightsAndRestrictedStockUnitsMember" xlink:type="locator"/>

<link:label xlink:label="ora_StockAppreciationRightsAndRestrictedStockUnitsMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Stock Appreciation Rights and Restricted Stock Units [Member] </link:label>

<link:label xlink:label="ora_StockAppreciationRightsAndRestrictedStockUnitsMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Information related to stock appreciation rights and restricted stock units. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_StockAppreciationRightsAndRestrictedStockUnitsMember" xlink:to="ora_StockAppreciationRightsAndRestrictedStockUnitsMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_statement-statement-note-15-stockbased-compensation-summary-of-the-status-of-the-2012-incentive-plan-details" xlink:label="ora_statement-statement-note-15-stockbased-compensation-summary-of-the-status-of-the-2012-incentive-plan-details" xlink:type="locator"/>

<link:label xlink:label="ora_statement-statement-note-15-stockbased-compensation-summary-of-the-status-of-the-2012-incentive-plan-details-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Note 15 - Stock-based Compensation - Summary of the Status of the 2012 Incentive Plan (Details) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_statement-statement-note-15-stockbased-compensation-summary-of-the-status-of-the-2012-incentive-plan-details" xlink:to="ora_statement-statement-note-15-stockbased-compensation-summary-of-the-status-of-the-2012-incentive-plan-details-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_NealHotSpringsMember" xlink:label="ora_NealHotSpringsMember" xlink:type="locator"/>

<link:label xlink:label="ora_NealHotSpringsMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Neal Hot Springs [Member] </link:label>

<link:label xlink:label="ora_NealHotSpringsMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Information related to Neal Hot Springs. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_NealHotSpringsMember" xlink:to="ora_NealHotSpringsMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_statement-statement-note-15-stockbased-compensation-summary-of-information-about-stockbased-awards-outstanding-details" xlink:label="ora_statement-statement-note-15-stockbased-compensation-summary-of-information-about-stockbased-awards-outstanding-details" xlink:type="locator"/>

<link:label xlink:label="ora_statement-statement-note-15-stockbased-compensation-summary-of-information-about-stockbased-awards-outstanding-details-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Note 15 - Stock-based Compensation - Summary of Information About Stock-based Awards Outstanding (Details) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_statement-statement-note-15-stockbased-compensation-summary-of-information-about-stockbased-awards-outstanding-details" xlink:to="ora_statement-statement-note-15-stockbased-compensation-summary-of-information-about-stockbased-awards-outstanding-details-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue </link:label>

<link:label xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax" xlink:label="us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax" xlink:type="locator"/>

<link:label xlink:label="us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Gain or (loss) recognized in Other comprehensive income (loss) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax" xlink:to="us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_statement-statement-note-16-interest-expense-net-components-of-interest-expense-details" xlink:label="ora_statement-statement-note-16-interest-expense-net-components-of-interest-expense-details" xlink:type="locator"/>

<link:label xlink:label="ora_statement-statement-note-16-interest-expense-net-components-of-interest-expense-details-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Note 16 - Interest Expense, Net - Components of Interest Expense (Details) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_statement-statement-note-16-interest-expense-net-components-of-interest-expense-details" xlink:to="ora_statement-statement-note-16-interest-expense-net-components-of-interest-expense-details-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax" xlink:label="us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax </link:label>

<link:label xlink:label="us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax-label" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Amount reclassified from Other comprehensive income (loss) into earnings </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax" xlink:to="us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_statement-statement-note-17-income-taxes-income-from-continuing-operations-before-income-taxes-and-equity-in-income-losses-of-investees-details" xlink:label="ora_statement-statement-note-17-income-taxes-income-from-continuing-operations-before-income-taxes-and-equity-in-income-losses-of-investees-details" xlink:type="locator"/>

<link:label xlink:label="ora_statement-statement-note-17-income-taxes-income-from-continuing-operations-before-income-taxes-and-equity-in-income-losses-of-investees-details-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Note 17 - Income Taxes - Income From Continuing Operations Before Income Taxes and Equity in Income (Losses) of Investees (Details) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_statement-statement-note-17-income-taxes-income-from-continuing-operations-before-income-taxes-and-equity-in-income-losses-of-investees-details" xlink:to="ora_statement-statement-note-17-income-taxes-income-from-continuing-operations-before-income-taxes-and-equity-in-income-losses-of-investees-details-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:label="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:type="locator"/>

<link:label xlink:label="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest </link:label>

<link:label xlink:label="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Ending Balance </link:label>

<link:label xlink:label="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-label" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total equity </link:label>

<link:label xlink:label="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-label" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US"> Balance in Other comprehensive income (loss) beginning of period </link:label>

<link:label xlink:label="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-label" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US"> Balance in Other comprehensive income (loss) end of period </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:to="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_statement-statement-note-17-income-taxes-components-of-income-tax-provision-details" xlink:label="ora_statement-statement-note-17-income-taxes-components-of-income-tax-provision-details" xlink:type="locator"/>

<link:label xlink:label="ora_statement-statement-note-17-income-taxes-components-of-income-tax-provision-details-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Note 17 - Income Taxes - Components of Income Tax Provision (Details) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_statement-statement-note-17-income-taxes-components-of-income-tax-provision-details" xlink:to="ora_statement-statement-note-17-income-taxes-components-of-income-tax-provision-details-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Number of shares exercisable (in shares) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SeniorNotesCurrent" xlink:label="us-gaap_SeniorNotesCurrent" xlink:type="locator"/>

<link:label xlink:label="us-gaap_SeniorNotesCurrent-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Senior secured notes </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SeniorNotesCurrent" xlink:to="us-gaap_SeniorNotesCurrent-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_statement-statement-note-17-income-taxes-difference-between-us-federal-statutory-tax-rate-and-companys-effective-tax-rate-details" xlink:label="ora_statement-statement-note-17-income-taxes-difference-between-us-federal-statutory-tax-rate-and-companys-effective-tax-rate-details" xlink:type="locator"/>

<link:label xlink:label="ora_statement-statement-note-17-income-taxes-difference-between-us-federal-statutory-tax-rate-and-companys-effective-tax-rate-details-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Note 17 - Income Taxes - Difference Between US Federal Statutory Tax Rate and Company's Effective Tax Rate (Details) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_statement-statement-note-17-income-taxes-difference-between-us-federal-statutory-tax-rate-and-companys-effective-tax-rate-details" xlink:to="ora_statement-statement-note-17-income-taxes-difference-between-us-federal-statutory-tax-rate-and-companys-effective-tax-rate-details-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_statement-statement-note-17-income-taxes-net-deferred-tax-assets-and-liabilities-details" xlink:label="ora_statement-statement-note-17-income-taxes-net-deferred-tax-assets-and-liabilities-details" xlink:type="locator"/>

<link:label xlink:label="ora_statement-statement-note-17-income-taxes-net-deferred-tax-assets-and-liabilities-details-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Note 17 - Income Taxes - Net Deferred Tax Assets and Liabilities (Details) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_statement-statement-note-17-income-taxes-net-deferred-tax-assets-and-liabilities-details" xlink:to="ora_statement-statement-note-17-income-taxes-net-deferred-tax-assets-and-liabilities-details-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2" xlink:type="locator"/>

<link:label xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Weighted average remaining contractual life in years, options outstanding (Year) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_statement-statement-note-17-income-taxes-reconciliation-of-beginning-and-ending-valuation-allowance-details" xlink:label="ora_statement-statement-note-17-income-taxes-reconciliation-of-beginning-and-ending-valuation-allowance-details" xlink:type="locator"/>

<link:label xlink:label="ora_statement-statement-note-17-income-taxes-reconciliation-of-beginning-and-ending-valuation-allowance-details-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Note 17 - Income Taxes - Reconciliation of Beginning and Ending Valuation Allowance (Details) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_statement-statement-note-17-income-taxes-reconciliation-of-beginning-and-ending-valuation-allowance-details" xlink:to="ora_statement-statement-note-17-income-taxes-reconciliation-of-beginning-and-ending-valuation-allowance-details-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Aggregate intrinsic value, options outstanding </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_statement-statement-note-17-income-taxes-balance-sheet-presentation-of-deferred-taxes-details" xlink:label="ora_statement-statement-note-17-income-taxes-balance-sheet-presentation-of-deferred-taxes-details" xlink:type="locator"/>

<link:label xlink:label="ora_statement-statement-note-17-income-taxes-balance-sheet-presentation-of-deferred-taxes-details-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Note 17 - Income Taxes - Balance Sheet Presentation of Deferred Taxes (Details) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_statement-statement-note-17-income-taxes-balance-sheet-presentation-of-deferred-taxes-details" xlink:to="ora_statement-statement-note-17-income-taxes-balance-sheet-presentation-of-deferred-taxes-details-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_statement-statement-note-17-income-taxes-reconciliation-of-beginning-and-ending-amounts-of-unrecognized-tax-benefits-details" xlink:label="ora_statement-statement-note-17-income-taxes-reconciliation-of-beginning-and-ending-amounts-of-unrecognized-tax-benefits-details" xlink:type="locator"/>

<link:label xlink:label="ora_statement-statement-note-17-income-taxes-reconciliation-of-beginning-and-ending-amounts-of-unrecognized-tax-benefits-details-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Note 17 - Income Taxes - Reconciliation of Beginning and Ending Amounts of Unrecognized Tax Benefits (Details) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_statement-statement-note-17-income-taxes-reconciliation-of-beginning-and-ending-amounts-of-unrecognized-tax-benefits-details" xlink:to="ora_statement-statement-note-17-income-taxes-reconciliation-of-beginning-and-ending-amounts-of-unrecognized-tax-benefits-details-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_CurrentPowerGeneration" xlink:label="ora_CurrentPowerGeneration" xlink:type="locator"/>

<link:label xlink:label="ora_CurrentPowerGeneration-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_CurrentPowerGeneration </link:label>

<link:label xlink:label="ora_CurrentPowerGeneration-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Current Power Generation (Megawatt-Hour) </link:label>

<link:label xlink:label="ora_CurrentPowerGeneration-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The amount of current power generation during the period. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_CurrentPowerGeneration" xlink:to="ora_CurrentPowerGeneration-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_statement-statement-note-17-income-taxes-foreign-subsidiaries-income-tax-years-open-to-examination-details" xlink:label="ora_statement-statement-note-17-income-taxes-foreign-subsidiaries-income-tax-years-open-to-examination-details" xlink:type="locator"/>

<link:label xlink:label="ora_statement-statement-note-17-income-taxes-foreign-subsidiaries-income-tax-years-open-to-examination-details-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Note 17 - Income Taxes - Foreign Subsidiaries Income Tax Years Open to Examination (Details) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_statement-statement-note-17-income-taxes-foreign-subsidiaries-income-tax-years-open-to-examination-details" xlink:to="ora_statement-statement-note-17-income-taxes-foreign-subsidiaries-income-tax-years-open-to-examination-details-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_SouthernCaliforniaPublicPowerAuthorityMember" xlink:label="ora_SouthernCaliforniaPublicPowerAuthorityMember" xlink:type="locator"/>

<link:label xlink:label="ora_SouthernCaliforniaPublicPowerAuthorityMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Southern California Public Power Authority [Member] </link:label>

<link:label xlink:label="ora_SouthernCaliforniaPublicPowerAuthorityMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents information pertaining to the major customer, Southern California Public Power Authority. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_SouthernCaliforniaPublicPowerAuthorityMember" xlink:to="ora_SouthernCaliforniaPublicPowerAuthorityMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_statement-statement-note-18-business-segments-summarized-financial-information-concerning-reportable-segments-details" xlink:label="ora_statement-statement-note-18-business-segments-summarized-financial-information-concerning-reportable-segments-details" xlink:type="locator"/>

<link:label xlink:label="ora_statement-statement-note-18-business-segments-summarized-financial-information-concerning-reportable-segments-details-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Note 18 - Business Segments - Summarized Financial Information Concerning Reportable Segments (Details) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_statement-statement-note-18-business-segments-summarized-financial-information-concerning-reportable-segments-details" xlink:to="ora_statement-statement-note-18-business-segments-summarized-financial-information-concerning-reportable-segments-details-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_statement-statement-note-18-business-segments-reconciling-information-between-reportable-segments-and-consolidated-totals-details" xlink:label="ora_statement-statement-note-18-business-segments-reconciling-information-between-reportable-segments-and-consolidated-totals-details" xlink:type="locator"/>

<link:label xlink:label="ora_statement-statement-note-18-business-segments-reconciling-information-between-reportable-segments-and-consolidated-totals-details-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Note 18 - Business Segments - Reconciling Information Between Reportable Segments and Consolidated Totals (Details) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_statement-statement-note-18-business-segments-reconciling-information-between-reportable-segments-and-consolidated-totals-details" xlink:to="ora_statement-statement-note-18-business-segments-reconciling-information-between-reportable-segments-and-consolidated-totals-details-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_statement-statement-note-18-business-segments-revenues-as-reported-in-the-geographic-area-details" xlink:label="ora_statement-statement-note-18-business-segments-revenues-as-reported-in-the-geographic-area-details" xlink:type="locator"/>

<link:label xlink:label="ora_statement-statement-note-18-business-segments-revenues-as-reported-in-the-geographic-area-details-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Note 18 - Business Segments - Revenues as Reported in the Geographic Area (Details) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_statement-statement-note-18-business-segments-revenues-as-reported-in-the-geographic-area-details" xlink:to="ora_statement-statement-note-18-business-segments-revenues-as-reported-in-the-geographic-area-details-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_statement-statement-note-18-business-segments-long-lived-assets-details" xlink:label="ora_statement-statement-note-18-business-segments-long-lived-assets-details" xlink:type="locator"/>

<link:label xlink:label="ora_statement-statement-note-18-business-segments-long-lived-assets-details-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Note 18 - Business Segments - Long Lived Assets (Details) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_statement-statement-note-18-business-segments-long-lived-assets-details" xlink:to="ora_statement-statement-note-18-business-segments-long-lived-assets-details-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_statement-statement-note-18-business-segments-revenue-from-major-customers-details" xlink:label="ora_statement-statement-note-18-business-segments-revenue-from-major-customers-details" xlink:type="locator"/>

<link:label xlink:label="ora_statement-statement-note-18-business-segments-revenue-from-major-customers-details-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Note 18 - Business Segments - Revenue From Major Customers (Details) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_statement-statement-note-18-business-segments-revenue-from-major-customers-details" xlink:to="ora_statement-statement-note-18-business-segments-revenue-from-major-customers-details-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_USGeothermalMember" xlink:label="ora_USGeothermalMember" xlink:type="locator"/>

<link:label xlink:label="ora_USGeothermalMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> U.S. Geothermal [Member] </link:label>

<link:label xlink:label="ora_USGeothermalMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Related to the entity U.S. Geothermal. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_USGeothermalMember" xlink:to="ora_USGeothermalMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_statement-statement-note-20-employee-benefit-plan-expected-future-benefit-payments-details" xlink:label="ora_statement-statement-note-20-employee-benefit-plan-expected-future-benefit-payments-details" xlink:type="locator"/>

<link:label xlink:label="ora_statement-statement-note-20-employee-benefit-plan-expected-future-benefit-payments-details-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Note 20 - Employee Benefit Plan - Expected Future Benefit Payments (Details) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_statement-statement-note-20-employee-benefit-plan-expected-future-benefit-payments-details" xlink:to="ora_statement-statement-note-20-employee-benefit-plan-expected-future-benefit-payments-details-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_statement-statement-note-22-leases-lessees-total-lease-cost-details" xlink:label="ora_statement-statement-note-22-leases-lessees-total-lease-cost-details" xlink:type="locator"/>

<link:label xlink:label="ora_statement-statement-note-22-leases-lessees-total-lease-cost-details-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Note 22 - Leases - Lessee's Total Lease Cost (Details) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_statement-statement-note-22-leases-lessees-total-lease-cost-details" xlink:to="ora_statement-statement-note-22-leases-lessees-total-lease-cost-details-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_CreditAgreementsWithEightCommercialBanksMember" xlink:label="ora_CreditAgreementsWithEightCommercialBanksMember" xlink:type="locator"/>

<link:label xlink:label="ora_CreditAgreementsWithEightCommercialBanksMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Credit Agreements With Eight Commercial Banks [Member] </link:label>

<link:label xlink:label="ora_CreditAgreementsWithEightCommercialBanksMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents information pertaining to credit agreements with eight commercial banks. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_CreditAgreementsWithEightCommercialBanksMember" xlink:to="ora_CreditAgreementsWithEightCommercialBanksMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_statement-statement-note-22-leases-lessee-future-minimum-lease-payments-details" xlink:label="ora_statement-statement-note-22-leases-lessee-future-minimum-lease-payments-details" xlink:type="locator"/>

<link:label xlink:label="ora_statement-statement-note-22-leases-lessee-future-minimum-lease-payments-details-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Note 22 - Leases - Lessee Future Minimum Lease Payments (Details) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_statement-statement-note-22-leases-lessee-future-minimum-lease-payments-details" xlink:to="ora_statement-statement-note-22-leases-lessee-future-minimum-lease-payments-details-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LongTermDebtCurrentAbstract" xlink:label="us-gaap_LongTermDebtCurrentAbstract" xlink:type="locator"/>

<link:label xlink:label="us-gaap_LongTermDebtCurrentAbstract-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Current portion of long-term debt: </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtCurrentAbstract" xlink:to="us-gaap_LongTermDebtCurrentAbstract-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_statement-statement-note-22-leases-lease-income-recognized-details" xlink:label="ora_statement-statement-note-22-leases-lease-income-recognized-details" xlink:type="locator"/>

<link:label xlink:label="ora_statement-statement-note-22-leases-lease-income-recognized-details-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Note 22 - Leases - Lease Income Recognized (Details) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_statement-statement-note-22-leases-lease-income-recognized-details" xlink:to="ora_statement-statement-note-22-leases-lease-income-recognized-details-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Exercise price (in dollars per share) </link:label>

<link:label xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice-label" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US"> Outstanding, weighted average exercise price (in dollars per share) </link:label>

<link:label xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice-label" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US"> Outstanding, weighted average exercise price (in dollars per share) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_statement-statement-note-23-quarterly-financial-information-unaudited-quarterly-financial-information-details" xlink:label="ora_statement-statement-note-23-quarterly-financial-information-unaudited-quarterly-financial-information-details" xlink:type="locator"/>

<link:label xlink:label="ora_statement-statement-note-23-quarterly-financial-information-unaudited-quarterly-financial-information-details-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Note 23 - Quarterly Financial Information (Unaudited) - Quarterly Financial Information (Details) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_statement-statement-note-23-quarterly-financial-information-unaudited-quarterly-financial-information-details" xlink:to="ora_statement-statement-note-23-quarterly-financial-information-unaudited-quarterly-financial-information-details-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_NotesToFinancialStatements" xlink:label="ora_NotesToFinancialStatements" xlink:type="locator"/>

<link:label xlink:label="ora_NotesToFinancialStatements-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Notes To Financial Statements </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_NotesToFinancialStatements" xlink:to="ora_NotesToFinancialStatements-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent" xlink:label="us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent" xlink:type="locator"/>

<link:label xlink:label="us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent-label" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Total </link:label>

<link:label xlink:label="us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accounts payable and accrued expenses </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent" xlink:to="us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Forfeited, weighted average exercise price (in dollars per share) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice" xlink:to="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_NotesToFinancialStatementsAbstract" xlink:label="ora_NotesToFinancialStatementsAbstract" xlink:type="locator"/>

<link:label xlink:label="ora_NotesToFinancialStatementsAbstract-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Notes To Financial Statements [Abstract] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_NotesToFinancialStatementsAbstract" xlink:to="ora_NotesToFinancialStatementsAbstract-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ContractWithCustomerLiabilityCurrent" xlink:label="us-gaap_ContractWithCustomerLiabilityCurrent" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ContractWithCustomerLiabilityCurrent-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Billings in excess of costs and estimated earnings on uncompleted contracts </link:label>

<link:label xlink:label="us-gaap_ContractWithCustomerLiabilityCurrent-label" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Billings in excess of costs and estimated earnings on uncompleted contracts </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ContractWithCustomerLiabilityCurrent" xlink:to="us-gaap_ContractWithCustomerLiabilityCurrent-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Expired, weighted average exercise price (in dollars per share) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice" xlink:to="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_SuretyAgreementMember" xlink:label="ora_SuretyAgreementMember" xlink:type="locator"/>

<link:label xlink:label="ora_SuretyAgreementMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Surety Agreement [Member] </link:label>

<link:label xlink:label="ora_SuretyAgreementMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents information pertaining to a surety agreement. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_SuretyAgreementMember" xlink:to="ora_SuretyAgreementMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_ChubbMember" xlink:label="ora_ChubbMember" xlink:type="locator"/>

<link:label xlink:label="ora_ChubbMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Chubb [Member] </link:label>

<link:label xlink:label="ora_ChubbMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents information pertaining to Chubb Limited. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_ChubbMember" xlink:to="ora_ChubbMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccrualForTaxesOtherThanIncomeTaxesCurrent" xlink:label="us-gaap_AccrualForTaxesOtherThanIncomeTaxesCurrent" xlink:type="locator"/>

<link:label xlink:label="us-gaap_AccrualForTaxesOtherThanIncomeTaxesCurrent-label" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Property tax payable </link:label>

<link:label xlink:label="us-gaap_AccrualForTaxesOtherThanIncomeTaxesCurrent-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_AccrualForTaxesOtherThanIncomeTaxesCurrent </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccrualForTaxesOtherThanIncomeTaxesCurrent" xlink:to="us-gaap_AccrualForTaxesOtherThanIncomeTaxesCurrent-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_SuretyBondsAvailable" xlink:label="ora_SuretyBondsAvailable" xlink:type="locator"/>

<link:label xlink:label="ora_SuretyBondsAvailable-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_SuretyBondsAvailable </link:label>

<link:label xlink:label="ora_SuretyBondsAvailable-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Surety Bonds Available </link:label>

<link:label xlink:label="ora_SuretyBondsAvailable-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the amount of surety bond borrowings available as of a specified date. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_SuretyBondsAvailable" xlink:to="ora_SuretyBondsAvailable-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_SuretyBondsOutstanding" xlink:label="ora_SuretyBondsOutstanding" xlink:type="locator"/>

<link:label xlink:label="ora_SuretyBondsOutstanding-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_SuretyBondsOutstanding </link:label>

<link:label xlink:label="ora_SuretyBondsOutstanding-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Surety Bonds Outstanding </link:label>

<link:label xlink:label="ora_SuretyBondsOutstanding-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the amount of surety bonds outstanding as of a specified date. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_SuretyBondsOutstanding" xlink:to="ora_SuretyBondsOutstanding-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_OPCLLCMember" xlink:label="ora_OPCLLCMember" xlink:type="locator"/>

<link:label xlink:label="ora_OPCLLCMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> OPC LLC [Member] </link:label>

<link:label xlink:label="ora_OPCLLCMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The name or description of the investment. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_OPCLLCMember" xlink:to="ora_OPCLLCMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Exercised, weighted average exercise price (in dollars per share) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice" xlink:to="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EmployeeRelatedLiabilitiesCurrent" xlink:label="us-gaap_EmployeeRelatedLiabilitiesCurrent" xlink:type="locator"/>

<link:label xlink:label="us-gaap_EmployeeRelatedLiabilitiesCurrent-label" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Salaries and other payroll costs </link:label>

<link:label xlink:label="us-gaap_EmployeeRelatedLiabilitiesCurrent-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_EmployeeRelatedLiabilitiesCurrent </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EmployeeRelatedLiabilitiesCurrent" xlink:to="us-gaap_EmployeeRelatedLiabilitiesCurrent-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccruedIncomeTaxesCurrent" xlink:label="us-gaap_AccruedIncomeTaxesCurrent" xlink:type="locator"/>

<link:label xlink:label="us-gaap_AccruedIncomeTaxesCurrent-label" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Income tax payable </link:label>

<link:label xlink:label="us-gaap_AccruedIncomeTaxesCurrent-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_AccruedIncomeTaxesCurrent </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccruedIncomeTaxesCurrent" xlink:to="us-gaap_AccruedIncomeTaxesCurrent-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_IncreaseDecreaseInUnrecognizedTaxBenefits" xlink:label="ora_IncreaseDecreaseInUnrecognizedTaxBenefits" xlink:type="locator"/>

<link:label xlink:label="ora_IncreaseDecreaseInUnrecognizedTaxBenefits-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_IncreaseDecreaseInUnrecognizedTaxBenefits </link:label>

<link:label xlink:label="ora_IncreaseDecreaseInUnrecognizedTaxBenefits-label" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Liability for unrecognized tax benefits </link:label>

<link:label xlink:label="ora_IncreaseDecreaseInUnrecognizedTaxBenefits-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Amount of increase (decrease) in unrecognized tax benefits attributable to uncertain tax positions taken in tax returns. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_IncreaseDecreaseInUnrecognizedTaxBenefits" xlink:to="ora_IncreaseDecreaseInUnrecognizedTaxBenefits-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_InterestPayableCurrent" xlink:label="us-gaap_InterestPayableCurrent" xlink:type="locator"/>

<link:label xlink:label="us-gaap_InterestPayableCurrent-label" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Accrued interest </link:label>

<link:label xlink:label="us-gaap_InterestPayableCurrent-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_InterestPayableCurrent </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestPayableCurrent" xlink:to="us-gaap_InterestPayableCurrent-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Number of shares outstanding (in shares) </link:label>

<link:label xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber-label" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US"> Outstanding at beginning of year (in shares) </link:label>

<link:label xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber-label" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US"> Outstanding at end of year (in shares) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod </link:label>

<link:label xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod-label" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Expired (in shares) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherAccruedLiabilitiesCurrent" xlink:label="us-gaap_OtherAccruedLiabilitiesCurrent" xlink:type="locator"/>

<link:label xlink:label="us-gaap_OtherAccruedLiabilitiesCurrent-label" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Other </link:label>

<link:label xlink:label="us-gaap_OtherAccruedLiabilitiesCurrent-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_OtherAccruedLiabilitiesCurrent </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherAccruedLiabilitiesCurrent" xlink:to="us-gaap_OtherAccruedLiabilitiesCurrent-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PolicyTextBlockAbstract" xlink:label="us-gaap_PolicyTextBlockAbstract" xlink:type="locator"/>

<link:label xlink:label="us-gaap_PolicyTextBlockAbstract-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_PolicyTextBlockAbstract </link:label>

<link:label xlink:label="us-gaap_PolicyTextBlockAbstract-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accounting Policies </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PolicyTextBlockAbstract" xlink:to="us-gaap_PolicyTextBlockAbstract-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_EffectiveIncomeTaxRateReconciliationWithholdingTaxPercent" xlink:label="ora_EffectiveIncomeTaxRateReconciliationWithholdingTaxPercent" xlink:type="locator"/>

<link:label xlink:label="ora_EffectiveIncomeTaxRateReconciliationWithholdingTaxPercent-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Withholding tax </link:label>

<link:label xlink:label="ora_EffectiveIncomeTaxRateReconciliationWithholdingTaxPercent-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to income exempt from income tax because of a tax withholding. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_EffectiveIncomeTaxRateReconciliationWithholdingTaxPercent" xlink:to="ora_EffectiveIncomeTaxRateReconciliationWithholdingTaxPercent-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_DeferredTaxLiabilitiesWithholdingTax" xlink:label="ora_DeferredTaxLiabilitiesWithholdingTax" xlink:type="locator"/>

<link:label xlink:label="ora_DeferredTaxLiabilitiesWithholdingTax-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_DeferredTaxLiabilitiesWithholdingTax </link:label>

<link:label xlink:label="ora_DeferredTaxLiabilitiesWithholdingTax-label" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Withholding tax </link:label>

<link:label xlink:label="ora_DeferredTaxLiabilitiesWithholdingTax-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Amount before allocation of valuation allowances of deferred tax liability attributable to deductible temporary differences from withholding tax. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_DeferredTaxLiabilitiesWithholdingTax" xlink:to="ora_DeferredTaxLiabilitiesWithholdingTax-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_EffectiveIncomeTaxRateReconciliationTransitionTaxInclusion" xlink:label="ora_EffectiveIncomeTaxRateReconciliationTransitionTaxInclusion" xlink:type="locator"/>

<link:label xlink:label="ora_EffectiveIncomeTaxRateReconciliationTransitionTaxInclusion-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Transition tax inclusion </link:label>

<link:label xlink:label="ora_EffectiveIncomeTaxRateReconciliationTransitionTaxInclusion-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to income exempt from income tax because of a transition tax inclusion. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_EffectiveIncomeTaxRateReconciliationTransitionTaxInclusion" xlink:to="ora_EffectiveIncomeTaxRateReconciliationTransitionTaxInclusion-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProductWarrantyAccrualClassifiedCurrent" xlink:label="us-gaap_ProductWarrantyAccrualClassifiedCurrent" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ProductWarrantyAccrualClassifiedCurrent-label" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Warranty accrual </link:label>

<link:label xlink:label="us-gaap_ProductWarrantyAccrualClassifiedCurrent-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_ProductWarrantyAccrualClassifiedCurrent </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProductWarrantyAccrualClassifiedCurrent" xlink:to="us-gaap_ProductWarrantyAccrualClassifiedCurrent-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_UnusualOrInfrequentItemAxis" xlink:label="us-gaap_UnusualOrInfrequentItemAxis" xlink:type="locator"/>

<link:label xlink:label="us-gaap_UnusualOrInfrequentItemAxis-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Unusual or Infrequent Item, or Both [Axis] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_UnusualOrInfrequentItemAxis" xlink:to="us-gaap_UnusualOrInfrequentItemAxis-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant </link:label>

<link:label xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant (in shares) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_UnusualOrInfrequentItemDomain" xlink:label="us-gaap_UnusualOrInfrequentItemDomain" xlink:type="locator"/>

<link:label xlink:label="us-gaap_UnusualOrInfrequentItemDomain-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Unusual or Infrequent Item, or Both [Domain] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_UnusualOrInfrequentItemDomain" xlink:to="us-gaap_UnusualOrInfrequentItemDomain-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccruedRoyaltiesCurrent" xlink:label="us-gaap_AccruedRoyaltiesCurrent" xlink:type="locator"/>

<link:label xlink:label="us-gaap_AccruedRoyaltiesCurrent-label" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Royalty accrual </link:label>

<link:label xlink:label="us-gaap_AccruedRoyaltiesCurrent-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_AccruedRoyaltiesCurrent </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccruedRoyaltiesCurrent" xlink:to="us-gaap_AccruedRoyaltiesCurrent-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod" xlink:type="locator"/>

<link:label xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod </link:label>

<link:label xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period (Year) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized </link:label>

<link:label xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized (in shares) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1 </link:label>

<link:label xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccountsPayableTradeCurrent" xlink:label="us-gaap_AccountsPayableTradeCurrent" xlink:type="locator"/>

<link:label xlink:label="us-gaap_AccountsPayableTradeCurrent-label" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Trade payable </link:label>

<link:label xlink:label="us-gaap_AccountsPayableTradeCurrent-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_AccountsPayableTradeCurrent </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccountsPayableTradeCurrent" xlink:to="us-gaap_AccountsPayableTradeCurrent-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage" xlink:type="locator"/>

<link:label xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage </link:label>

<link:label xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationAwardTrancheThreeMember" xlink:label="us-gaap_ShareBasedCompensationAwardTrancheThreeMember" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ShareBasedCompensationAwardTrancheThreeMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Payment Arrangement, Tranche Three [Member] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationAwardTrancheThreeMember" xlink:to="us-gaap_ShareBasedCompensationAwardTrancheThreeMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_GeotermicaPlatanaresMember" xlink:label="ora_GeotermicaPlatanaresMember" xlink:type="locator"/>

<link:label xlink:label="ora_GeotermicaPlatanaresMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Geotermica Platanares [Member] </link:label>

<link:label xlink:label="ora_GeotermicaPlatanaresMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents information about Geotermica Platanares. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_GeotermicaPlatanaresMember" xlink:to="ora_GeotermicaPlatanaresMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LiabilitiesAbstract" xlink:label="us-gaap_LiabilitiesAbstract" xlink:type="locator"/>

<link:label xlink:label="us-gaap_LiabilitiesAbstract-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Liabilities: </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesAbstract" xlink:to="us-gaap_LiabilitiesAbstract-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LiabilitiesCurrentAbstract" xlink:label="us-gaap_LiabilitiesCurrentAbstract" xlink:type="locator"/>

<link:label xlink:label="us-gaap_LiabilitiesCurrentAbstract-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Current liabilities: </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesCurrentAbstract" xlink:to="us-gaap_LiabilitiesCurrentAbstract-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_VestingAxis" xlink:label="us-gaap_VestingAxis" xlink:type="locator"/>

<link:label xlink:label="us-gaap_VestingAxis-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Vesting [Axis] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_VestingAxis" xlink:to="us-gaap_VestingAxis-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_VestingDomain" xlink:label="us-gaap_VestingDomain" xlink:type="locator"/>

<link:label xlink:label="us-gaap_VestingDomain-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Vesting [Domain] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_VestingDomain" xlink:to="us-gaap_VestingDomain-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProductMember" xlink:label="us-gaap_ProductMember" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ProductMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Product [Member] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProductMember" xlink:to="us-gaap_ProductMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationAwardTrancheOneMember" xlink:label="us-gaap_ShareBasedCompensationAwardTrancheOneMember" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ShareBasedCompensationAwardTrancheOneMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Payment Arrangement, Tranche One [Member] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationAwardTrancheOneMember" xlink:to="us-gaap_ShareBasedCompensationAwardTrancheOneMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_ENEEMember" xlink:label="ora_ENEEMember" xlink:type="locator"/>

<link:label xlink:label="ora_ENEEMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ENEE [Member] </link:label>

<link:label xlink:label="ora_ENEEMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents information about ENEE, national utility in Honduras. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_ENEEMember" xlink:to="ora_ENEEMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationAwardTrancheTwoMember" xlink:label="us-gaap_ShareBasedCompensationAwardTrancheTwoMember" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ShareBasedCompensationAwardTrancheTwoMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Payment Arrangement, Tranche Two [Member] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationAwardTrancheTwoMember" xlink:to="us-gaap_ShareBasedCompensationAwardTrancheTwoMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_Assets" xlink:label="us-gaap_Assets" xlink:type="locator"/>

<link:label xlink:label="us-gaap_Assets-label" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Segment assets at period end </link:label>

<link:label xlink:label="us-gaap_Assets-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Total assets </link:label>

<link:label xlink:label="us-gaap_Assets-label" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total assets </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Assets" xlink:to="us-gaap_Assets-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PlanNameAxis" xlink:label="us-gaap_PlanNameAxis" xlink:type="locator"/>

<link:label xlink:label="us-gaap_PlanNameAxis-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Plan Name [Axis] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PlanNameAxis" xlink:to="us-gaap_PlanNameAxis-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PlanNameDomain" xlink:label="us-gaap_PlanNameDomain" xlink:type="locator"/>

<link:label xlink:label="us-gaap_PlanNameDomain-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Plan Name [Domain] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PlanNameDomain" xlink:to="us-gaap_PlanNameDomain-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisePrice" xlink:label="ora_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisePrice" xlink:type="locator"/>

<link:label xlink:label="ora_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisePrice-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisePrice </link:label>

<link:label xlink:label="ora_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisePrice-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Exercise Price (in dollars per share) </link:label>

<link:label xlink:label="ora_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisePrice-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the exercise price related to equity instrument other than option related to share based compensation. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisePrice" xlink:to="ora_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisePrice-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized" xlink:type="locator"/>

<link:label xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized </link:label>

<link:label xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized" xlink:to="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1" xlink:type="locator"/>

<link:label xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1 </link:label>

<link:label xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1" xlink:to="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_ScheduleOfSharebasedPaymentAwardEquityAwardsOtherThanOptionsValuationAssumptionsTableTextBlock" xlink:label="ora_ScheduleOfSharebasedPaymentAwardEquityAwardsOtherThanOptionsValuationAssumptionsTableTextBlock" xlink:type="locator"/>

<link:label xlink:label="ora_ScheduleOfSharebasedPaymentAwardEquityAwardsOtherThanOptionsValuationAssumptionsTableTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Share-based Payment Award, Equity Awards Other than Options, Valuation Assumptions [Table Text Block] </link:label>

<link:label xlink:label="ora_ScheduleOfSharebasedPaymentAwardEquityAwardsOtherThanOptionsValuationAssumptionsTableTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Valuation assumptions related to share-based awards other than options. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_ScheduleOfSharebasedPaymentAwardEquityAwardsOtherThanOptionsValuationAssumptionsTableTextBlock" xlink:to="ora_ScheduleOfSharebasedPaymentAwardEquityAwardsOtherThanOptionsValuationAssumptionsTableTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_McginnessProjectMember" xlink:label="ora_McginnessProjectMember" xlink:type="locator"/>

<link:label xlink:label="ora_McginnessProjectMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> McGinness Plant [Member] </link:label>

<link:label xlink:label="ora_McginnessProjectMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents McGinness plant. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_McginnessProjectMember" xlink:to="ora_McginnessProjectMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense" xlink:type="locator"/>

<link:label xlink:label="us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Tax effect on stock-based compensation expense </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense" xlink:to="us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_OtherLongtermDebtMember" xlink:label="ora_OtherLongtermDebtMember" xlink:type="locator"/>

<link:label xlink:label="ora_OtherLongtermDebtMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Long-term Debt [Member] </link:label>

<link:label xlink:label="ora_OtherLongtermDebtMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Information about long-term debt classified as other. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_OtherLongtermDebtMember" xlink:to="ora_OtherLongtermDebtMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LossContingencyDamagesSoughtValue" xlink:label="us-gaap_LossContingencyDamagesSoughtValue" xlink:type="locator"/>

<link:label xlink:label="us-gaap_LossContingencyDamagesSoughtValue-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_LossContingencyDamagesSoughtValue </link:label>

<link:label xlink:label="us-gaap_LossContingencyDamagesSoughtValue-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Loss Contingency, Damages Sought, Value </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LossContingencyDamagesSoughtValue" xlink:to="us-gaap_LossContingencyDamagesSoughtValue-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredIncomeTaxAssetsNet" xlink:label="us-gaap_DeferredIncomeTaxAssetsNet" xlink:type="locator"/>

<link:label xlink:label="us-gaap_DeferredIncomeTaxAssetsNet-label" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Deferred income taxes </link:label>

<link:label xlink:label="us-gaap_DeferredIncomeTaxAssetsNet-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_DeferredIncomeTaxAssetsNet </link:label>

<link:label xlink:label="us-gaap_DeferredIncomeTaxAssetsNet-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Non-current deferred tax assets </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredIncomeTaxAssetsNet" xlink:to="us-gaap_DeferredIncomeTaxAssetsNet-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock" xlink:label="us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock" xlink:type="locator"/>

<link:label xlink:label="us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Payment Arrangement [Text Block] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock" xlink:to="us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock" xlink:label="us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock" xlink:to="us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ContractWithCustomerAssetGross" xlink:label="us-gaap_ContractWithCustomerAssetGross" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ContractWithCustomerAssetGross-label" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Costs and estimated earnings in excess of billings on uncompleted contracts </link:label>

<link:label xlink:label="us-gaap_ContractWithCustomerAssetGross-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_ContractWithCustomerAssetGross </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ContractWithCustomerAssetGross" xlink:to="us-gaap_ContractWithCustomerAssetGross-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ContractWithCustomerAssetNet" xlink:label="us-gaap_ContractWithCustomerAssetNet" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ContractWithCustomerAssetNet-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Costs and estimated earnings in excess of billings on uncompleted contracts </link:label>

<link:label xlink:label="us-gaap_ContractWithCustomerAssetNet-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Contract assets (*) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ContractWithCustomerAssetNet" xlink:to="us-gaap_ContractWithCustomerAssetNet-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Award Type [Domain] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:to="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders" xlink:label="us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders" xlink:type="locator"/>

<link:label xlink:label="us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders </link:label>

<link:label xlink:label="us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders-label" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Cash paid to noncontrolling interest </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders" xlink:to="us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RestrictedCashAndCashEquivalents" xlink:label="us-gaap_RestrictedCashAndCashEquivalents" xlink:type="locator"/>

<link:label xlink:label="us-gaap_RestrictedCashAndCashEquivalents-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Restricted cash and cash equivalents </link:label>

<link:label xlink:label="us-gaap_RestrictedCashAndCashEquivalents-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Restricted cash and cash equivalents </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RestrictedCashAndCashEquivalents" xlink:to="us-gaap_RestrictedCashAndCashEquivalents-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="us-gaap_AwardTypeAxis" xlink:type="locator"/>

<link:label xlink:label="us-gaap_AwardTypeAxis-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Award Type [Axis] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AwardTypeAxis" xlink:to="us-gaap_AwardTypeAxis-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:type="locator"/>

<link:label xlink:label="us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization </link:label>

<link:label xlink:label="us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Finite-Lived Intangible Assets, Accumulated Amortization </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:to="us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsNet" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet" xlink:type="locator"/>

<link:label xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_FiniteLivedIntangibleAssetsNet </link:label>

<link:label xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Finite-Lived Intangible Assets, Net, Ending Balance </link:label>

<link:label xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet-label" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsNet" xlink:to="us-gaap_FiniteLivedIntangibleAssetsNet-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill" xlink:label="us-gaap_IntangibleAssetsNetExcludingGoodwill" xlink:type="locator"/>

<link:label xlink:label="us-gaap_IntangibleAssetsNetExcludingGoodwill-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Intangible assets, net </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IntangibleAssetsNetExcludingGoodwill" xlink:to="us-gaap_IntangibleAssetsNetExcludingGoodwill-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xlink:label="us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xlink:type="locator"/>

<link:label xlink:label="us-gaap_NetIncomeLossAttributableToNoncontrollingInterest-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_NetIncomeLossAttributableToNoncontrollingInterest </link:label>

<link:label xlink:label="us-gaap_NetIncomeLossAttributableToNoncontrollingInterest-label" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Net income attributable to noncontrolling interest </link:label>

<link:label xlink:label="us-gaap_NetIncomeLossAttributableToNoncontrollingInterest-label" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Net loss (income) attributable to noncontrolling interest </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xlink:to="us-gaap_NetIncomeLossAttributableToNoncontrollingInterest-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_SeniorSecuredNotesMember" xlink:label="ora_SeniorSecuredNotesMember" xlink:type="locator"/>

<link:label xlink:label="ora_SeniorSecuredNotesMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Senior Secured Notes [Member] </link:label>

<link:label xlink:label="ora_SeniorSecuredNotesMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Bond that takes priority over other debt securities sold by the issuer by, for example, but not limited to, pledge, mortgage or other lien on the entity's assets. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_SeniorSecuredNotesMember" xlink:to="ora_SeniorSecuredNotesMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest" xlink:label="us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest </link:label>

<link:label xlink:label="us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest-label" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Comprehensive income attributable to noncontrolling interest </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest" xlink:to="us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LitigationStatusAxis" xlink:label="us-gaap_LitigationStatusAxis" xlink:type="locator"/>

<link:label xlink:label="us-gaap_LitigationStatusAxis-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Litigation Status [Axis] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LitigationStatusAxis" xlink:to="us-gaap_LitigationStatusAxis-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_OtherLoansLimitedAndNonrecourseMember" xlink:label="ora_OtherLoansLimitedAndNonrecourseMember" xlink:type="locator"/>

<link:label xlink:label="ora_OtherLoansLimitedAndNonrecourseMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Loans, Limited and Non-recourse [Member] </link:label>

<link:label xlink:label="ora_OtherLoansLimitedAndNonrecourseMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Information about Limited and Non-recourse loans classified as other. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_OtherLoansLimitedAndNonrecourseMember" xlink:to="ora_OtherLoansLimitedAndNonrecourseMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LitigationStatusDomain" xlink:label="us-gaap_LitigationStatusDomain" xlink:type="locator"/>

<link:label xlink:label="us-gaap_LitigationStatusDomain-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Litigation Status [Domain] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LitigationStatusDomain" xlink:to="us-gaap_LitigationStatusDomain-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PendingLitigationMember" xlink:label="us-gaap_PendingLitigationMember" xlink:type="locator"/>

<link:label xlink:label="us-gaap_PendingLitigationMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Pending Litigation [Member] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PendingLitigationMember" xlink:to="us-gaap_PendingLitigationMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_PartnershipAgreementPercentageOfTaxableIncome" xlink:label="ora_PartnershipAgreementPercentageOfTaxableIncome" xlink:type="locator"/>

<link:label xlink:label="ora_PartnershipAgreementPercentageOfTaxableIncome-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_PartnershipAgreementPercentageOfTaxableIncome </link:label>

<link:label xlink:label="ora_PartnershipAgreementPercentageOfTaxableIncome-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Partnership Agreement, Percentage of Taxable Income </link:label>

<link:label xlink:label="ora_PartnershipAgreementPercentageOfTaxableIncome-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the amount, expressed as a percentage, of taxable income that the entity will receive after the Target Flip Date and the date in which the private investor reaches its target return. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_PartnershipAgreementPercentageOfTaxableIncome" xlink:to="ora_PartnershipAgreementPercentageOfTaxableIncome-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureTextBlock" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureTextBlock" xlink:type="locator"/>

<link:label xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Commitments and Contingencies Disclosure [Text Block] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommitmentsAndContingenciesDisclosureTextBlock" xlink:to="us-gaap_CommitmentsAndContingenciesDisclosureTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:type="locator"/>

<link:label xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment </link:label>

<link:label xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment-label" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Less accumulated depreciation </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:to="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_OtherLoansFullRecourseMember" xlink:label="ora_OtherLoansFullRecourseMember" xlink:type="locator"/>

<link:label xlink:label="ora_OtherLoansFullRecourseMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Loans, Full Recourse [Member] </link:label>

<link:label xlink:label="ora_OtherLoansFullRecourseMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Information about full recourse debts classified as other. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_OtherLoansFullRecourseMember" xlink:to="ora_OtherLoansFullRecourseMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_PartnershipAgreementPercentageOfDistributableCashFlowGenerated" xlink:label="ora_PartnershipAgreementPercentageOfDistributableCashFlowGenerated" xlink:type="locator"/>

<link:label xlink:label="ora_PartnershipAgreementPercentageOfDistributableCashFlowGenerated-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_PartnershipAgreementPercentageOfDistributableCashFlowGenerated </link:label>

<link:label xlink:label="ora_PartnershipAgreementPercentageOfDistributableCashFlowGenerated-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Partnership Agreement, Percentage of Distributable Cash Flow Generated </link:label>

<link:label xlink:label="ora_PartnershipAgreementPercentageOfDistributableCashFlowGenerated-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the amount, expressed as a percentage, that the entity receives of the distributable cash flow generated by the project after the Target Flip Date and the date in which the private investor reaches its target return. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_PartnershipAgreementPercentageOfDistributableCashFlowGenerated" xlink:to="ora_PartnershipAgreementPercentageOfDistributableCashFlowGenerated-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="us-gaap_PropertyPlantAndEquipmentNet" xlink:type="locator"/>

<link:label xlink:label="us-gaap_PropertyPlantAndEquipmentNet-label" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Property, plant and equipment, net </link:label>

<link:label xlink:label="us-gaap_PropertyPlantAndEquipmentNet-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_PropertyPlantAndEquipmentNet </link:label>

<link:label xlink:label="us-gaap_PropertyPlantAndEquipmentNet-label" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Property, plant and equipment, net </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentNet" xlink:to="us-gaap_PropertyPlantAndEquipmentNet-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_Goodwill" xlink:label="us-gaap_Goodwill" xlink:type="locator"/>

<link:label xlink:label="us-gaap_Goodwill-label" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Goodwill </link:label>

<link:label xlink:label="us-gaap_Goodwill-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Goodwill (2) </link:label>

<link:label xlink:label="us-gaap_Goodwill-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Goodwill, Ending Balance </link:label>

<link:label xlink:label="us-gaap_Goodwill-label" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US"> Goodwill </link:label>

<link:label xlink:label="us-gaap_Goodwill-label" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US"> Goodwill </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Goodwill" xlink:to="us-gaap_Goodwill-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NoncontrollingInterestIncreaseFromSaleOfParentEquityInterest" xlink:label="us-gaap_NoncontrollingInterestIncreaseFromSaleOfParentEquityInterest" xlink:type="locator"/>

<link:label xlink:label="us-gaap_NoncontrollingInterestIncreaseFromSaleOfParentEquityInterest-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Increase in noncontrolling interest </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NoncontrollingInterestIncreaseFromSaleOfParentEquityInterest" xlink:to="us-gaap_NoncontrollingInterestIncreaseFromSaleOfParentEquityInterest-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NoncontrollingInterestIncreaseFromBusinessCombination" xlink:label="us-gaap_NoncontrollingInterestIncreaseFromBusinessCombination" xlink:type="locator"/>

<link:label xlink:label="us-gaap_NoncontrollingInterestIncreaseFromBusinessCombination-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Purchase of U.S. Geothermal </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NoncontrollingInterestIncreaseFromBusinessCombination" xlink:to="us-gaap_NoncontrollingInterestIncreaseFromBusinessCombination-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_BusinessAcquisitionProFormaOperatingIncomeLoss" xlink:label="ora_BusinessAcquisitionProFormaOperatingIncomeLoss" xlink:type="locator"/>

<link:label xlink:label="ora_BusinessAcquisitionProFormaOperatingIncomeLoss-label" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Income from continuing operations before income taxes and equity in losses of investees </link:label>

<link:label xlink:label="ora_BusinessAcquisitionProFormaOperatingIncomeLoss-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_BusinessAcquisitionProFormaOperatingIncomeLoss </link:label>

<link:label xlink:label="ora_BusinessAcquisitionProFormaOperatingIncomeLoss-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The pro forma operating income (loss) for a period as if the business combination or combinations had been completed at the beginning of the period. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_BusinessAcquisitionProFormaOperatingIncomeLoss" xlink:to="ora_BusinessAcquisitionProFormaOperatingIncomeLoss-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_NoncontrollingInterestMeasurementInput" xlink:label="ora_NoncontrollingInterestMeasurementInput" xlink:type="locator"/>

<link:label xlink:label="ora_NoncontrollingInterestMeasurementInput-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_NoncontrollingInterestMeasurementInput </link:label>

<link:label xlink:label="ora_NoncontrollingInterestMeasurementInput-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Noncontrolling Interest, Measurement Input </link:label>

<link:label xlink:label="ora_NoncontrollingInterestMeasurementInput-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Value of input used to measure noncontrolling interest. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_NoncontrollingInterestMeasurementInput" xlink:to="ora_NoncontrollingInterestMeasurementInput-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PropertyPlantAndEquipmentGross" xlink:label="us-gaap_PropertyPlantAndEquipmentGross" xlink:type="locator"/>

<link:label xlink:label="us-gaap_PropertyPlantAndEquipmentGross-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Property, plant and equipment </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentGross" xlink:to="us-gaap_PropertyPlantAndEquipmentGross-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ConstructionInProgressGross" xlink:label="us-gaap_ConstructionInProgressGross" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ConstructionInProgressGross-label" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Construction-in-process </link:label>

<link:label xlink:label="us-gaap_ConstructionInProgressGross-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Construction in progress </link:label>

<link:label xlink:label="us-gaap_ConstructionInProgressGross-label" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US"> Balance </link:label>

<link:label xlink:label="us-gaap_ConstructionInProgressGross-label" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US"> Balance </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ConstructionInProgressGross" xlink:to="us-gaap_ConstructionInProgressGross-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_DebtInstrumentIncreaseInStatedInterestRate" xlink:label="ora_DebtInstrumentIncreaseInStatedInterestRate" xlink:type="locator"/>

<link:label xlink:label="ora_DebtInstrumentIncreaseInStatedInterestRate-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_DebtInstrumentIncreaseInStatedInterestRate </link:label>

<link:label xlink:label="ora_DebtInstrumentIncreaseInStatedInterestRate-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Debt Instrument, Increase in Stated Interest Rate </link:label>

<link:label xlink:label="ora_DebtInstrumentIncreaseInStatedInterestRate-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The amount of increase in stated interest rate due to certain circumstances. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_DebtInstrumentIncreaseInStatedInterestRate" xlink:to="ora_DebtInstrumentIncreaseInStatedInterestRate-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_SeniorUnsecuredLoanMigdalMember" xlink:label="ora_SeniorUnsecuredLoanMigdalMember" xlink:type="locator"/>

<link:label xlink:label="ora_SeniorUnsecuredLoanMigdalMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Senior Unsecured Loan (Migdal) [Member] </link:label>

<link:label xlink:label="ora_SeniorUnsecuredLoanMigdalMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Related to the Migdal Loan. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_SeniorUnsecuredLoanMigdalMember" xlink:to="ora_SeniorUnsecuredLoanMigdalMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_BusinessCombinationAcquisitionOfLessThan100PercentNoncontrollingInterestPercent" xlink:label="ora_BusinessCombinationAcquisitionOfLessThan100PercentNoncontrollingInterestPercent" xlink:type="locator"/>

<link:label xlink:label="ora_BusinessCombinationAcquisitionOfLessThan100PercentNoncontrollingInterestPercent-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_BusinessCombinationAcquisitionOfLessThan100PercentNoncontrollingInterestPercent </link:label>

<link:label xlink:label="ora_BusinessCombinationAcquisitionOfLessThan100PercentNoncontrollingInterestPercent-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Business Combination, Acquisition of Less than 100 Percent, Noncontrolling Interest, Percent </link:label>

<link:label xlink:label="ora_BusinessCombinationAcquisitionOfLessThan100PercentNoncontrollingInterestPercent-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> This element represents the percent of the noncontrolling interest in the acqiree at the acquisition date. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_BusinessCombinationAcquisitionOfLessThan100PercentNoncontrollingInterestPercent" xlink:to="ora_BusinessCombinationAcquisitionOfLessThan100PercentNoncontrollingInterestPercent-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProfitLoss" xlink:label="us-gaap_ProfitLoss" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ProfitLoss-label" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Net income </link:label>

<link:label xlink:label="us-gaap_ProfitLoss-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_ProfitLoss </link:label>

<link:label xlink:label="us-gaap_ProfitLoss-label" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Net income </link:label>

<link:label xlink:label="us-gaap_ProfitLoss-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Net income </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProfitLoss" xlink:to="us-gaap_ProfitLoss-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:label="us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest </link:label>

<link:label xlink:label="us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest-label" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Comprehensive income </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:to="us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CrossCurrencyInterestRateContractMember" xlink:label="us-gaap_CrossCurrencyInterestRateContractMember" xlink:type="locator"/>

<link:label xlink:label="us-gaap_CrossCurrencyInterestRateContractMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Cross Currency Interest Rate Contract [Member] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CrossCurrencyInterestRateContractMember" xlink:to="us-gaap_CrossCurrencyInterestRateContractMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LeasesOfLesseeDisclosureTextBlock" xlink:label="us-gaap_LeasesOfLesseeDisclosureTextBlock" xlink:type="locator"/>

<link:label xlink:label="us-gaap_LeasesOfLesseeDisclosureTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Leases of Lessee Disclosure [Text Block] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LeasesOfLesseeDisclosureTextBlock" xlink:to="us-gaap_LeasesOfLesseeDisclosureTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest" xlink:label="us-gaap_NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest" xlink:type="locator"/>

<link:label xlink:label="us-gaap_NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest-label" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Net income </link:label>

<link:label xlink:label="us-gaap_NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest" xlink:to="us-gaap_NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="us-gaap_DerivativeInstrumentRiskAxis" xlink:type="locator"/>

<link:label xlink:label="us-gaap_DerivativeInstrumentRiskAxis-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Derivative Instrument [Axis] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeInstrumentRiskAxis" xlink:to="us-gaap_DerivativeInstrumentRiskAxis-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="us-gaap_DerivativeContractTypeDomain" xlink:type="locator"/>

<link:label xlink:label="us-gaap_DerivativeContractTypeDomain-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Derivative Contract [Domain] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeContractTypeDomain" xlink:to="us-gaap_DerivativeContractTypeDomain-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeLossFromEquityMethodInvestments" xlink:label="us-gaap_IncomeLossFromEquityMethodInvestments" xlink:type="locator"/>

<link:label xlink:label="us-gaap_IncomeLossFromEquityMethodInvestments-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Equity in earnings (losses) of investees, net </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeLossFromEquityMethodInvestments" xlink:to="us-gaap_IncomeLossFromEquityMethodInvestments-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LetterOfCreditMember" xlink:label="us-gaap_LetterOfCreditMember" xlink:type="locator"/>

<link:label xlink:label="us-gaap_LetterOfCreditMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Letter of Credit [Member] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LetterOfCreditMember" xlink:to="us-gaap_LetterOfCreditMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:type="locator"/>

<link:label xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments-label" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Total consolidated income before income taxes and equity in earnings (losses) of investees </link:label>

<link:label xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments </link:label>

<link:label xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments-label" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Income from operations before income tax and equity in earnings (losses) of investees </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:to="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="us-gaap_IncomeTaxExpenseBenefit" xlink:type="locator"/>

<link:label xlink:label="us-gaap_IncomeTaxExpenseBenefit-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_IncomeTaxExpenseBenefit </link:label>

<link:label xlink:label="us-gaap_IncomeTaxExpenseBenefit-label" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Income tax (provision) benefit </link:label>

<link:label xlink:label="us-gaap_IncomeTaxExpenseBenefit-label" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total Income tax provision </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxExpenseBenefit" xlink:to="us-gaap_IncomeTaxExpenseBenefit-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShortTermDebtTypeAxis" xlink:label="us-gaap_ShortTermDebtTypeAxis" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ShortTermDebtTypeAxis-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Short-term Debt, Type [Axis] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShortTermDebtTypeAxis" xlink:to="us-gaap_ShortTermDebtTypeAxis-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShortTermDebtTypeDomain" xlink:label="us-gaap_ShortTermDebtTypeDomain" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ShortTermDebtTypeDomain-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Short-term Debt, Type [Domain] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShortTermDebtTypeDomain" xlink:to="us-gaap_ShortTermDebtTypeDomain-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LossFromCatastrophes" xlink:label="us-gaap_LossFromCatastrophes" xlink:type="locator"/>

<link:label xlink:label="us-gaap_LossFromCatastrophes-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_LossFromCatastrophes </link:label>

<link:label xlink:label="us-gaap_LossFromCatastrophes-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Loss from Catastrophes </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LossFromCatastrophes" xlink:to="us-gaap_LossFromCatastrophes-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_TerminationFees" xlink:label="ora_TerminationFees" xlink:type="locator"/>

<link:label xlink:label="ora_TerminationFees-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_TerminationFees </link:label>

<link:label xlink:label="ora_TerminationFees-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Termination Fees </link:label>

<link:label xlink:label="ora_TerminationFees-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The amount of termination fees. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_TerminationFees" xlink:to="ora_TerminationFees-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet" xlink:label="us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet" xlink:type="locator"/>

<link:label xlink:label="us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Amount of gain (loss) recognized </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet" xlink:to="us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_StockholdersEquityToTotalAssetsRatio" xlink:label="ora_StockholdersEquityToTotalAssetsRatio" xlink:type="locator"/>

<link:label xlink:label="ora_StockholdersEquityToTotalAssetsRatio-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_StockholdersEquityToTotalAssetsRatio </link:label>

<link:label xlink:label="ora_StockholdersEquityToTotalAssetsRatio-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Stockholders Equity to Total Assets, Ratio </link:label>

<link:label xlink:label="ora_StockholdersEquityToTotalAssetsRatio-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The ratio of stockholders equity, excluding noncontrolling interest, to total assets. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_StockholdersEquityToTotalAssetsRatio" xlink:to="ora_StockholdersEquityToTotalAssetsRatio-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_VariableInterestEntityPrimaryBeneficiaryMember" xlink:label="us-gaap_VariableInterestEntityPrimaryBeneficiaryMember" xlink:type="locator"/>

<link:label xlink:label="us-gaap_VariableInterestEntityPrimaryBeneficiaryMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Variable Interest Entity, Primary Beneficiary [Member] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_VariableInterestEntityPrimaryBeneficiaryMember" xlink:to="us-gaap_VariableInterestEntityPrimaryBeneficiaryMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_DebtToEBITDARatioRequirement" xlink:label="ora_DebtToEBITDARatioRequirement" xlink:type="locator"/>

<link:label xlink:label="ora_DebtToEBITDARatioRequirement-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_DebtToEBITDARatioRequirement </link:label>

<link:label xlink:label="ora_DebtToEBITDARatioRequirement-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Debt to EBITDA Ratio Requirement </link:label>

<link:label xlink:label="ora_DebtToEBITDARatioRequirement-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The debt to EBITDA ratio requirement applicable to certain agreements. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_DebtToEBITDARatioRequirement" xlink:to="ora_DebtToEBITDARatioRequirement-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfVariableInterestEntitiesTextBlock" xlink:label="us-gaap_ScheduleOfVariableInterestEntitiesTextBlock" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ScheduleOfVariableInterestEntitiesTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Variable Interest Entities [Table Text Block] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfVariableInterestEntitiesTextBlock" xlink:to="us-gaap_ScheduleOfVariableInterestEntitiesTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_DividendsToNetIncomeRatio" xlink:label="ora_DividendsToNetIncomeRatio" xlink:type="locator"/>

<link:label xlink:label="ora_DividendsToNetIncomeRatio-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_DividendsToNetIncomeRatio </link:label>

<link:label xlink:label="ora_DividendsToNetIncomeRatio-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Dividends to Net Income, Ratio </link:label>

<link:label xlink:label="ora_DividendsToNetIncomeRatio-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The ratio for the amounts of dividends to net income. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_DividendsToNetIncomeRatio" xlink:to="ora_DividendsToNetIncomeRatio-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_PowerPurchaseAgreementMember" xlink:label="ora_PowerPurchaseAgreementMember" xlink:type="locator"/>

<link:label xlink:label="ora_PowerPurchaseAgreementMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Power Purchase Agreement [Member] </link:label>

<link:label xlink:label="ora_PowerPurchaseAgreementMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> A power purchase agreement (PPA), or electricity power agreement, is a contract between two parties, one which generates electricity (the seller) and one which is looking to purchase electricity (the buyer). </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_PowerPurchaseAgreementMember" xlink:to="ora_PowerPurchaseAgreementMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_IntangibleAssetsRelatedToStorageActivitiesMember" xlink:label="ora_IntangibleAssetsRelatedToStorageActivitiesMember" xlink:type="locator"/>

<link:label xlink:label="ora_IntangibleAssetsRelatedToStorageActivitiesMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Intangible Assets Related to Storage Activities [Member] </link:label>

<link:label xlink:label="ora_IntangibleAssetsRelatedToStorageActivitiesMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the intangible assets related to storage activities. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_IntangibleAssetsRelatedToStorageActivitiesMember" xlink:to="ora_IntangibleAssetsRelatedToStorageActivitiesMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_ContractWithCustomerLiabilityCashReceivedForRevenuesNotYetRecognized" xlink:label="ora_ContractWithCustomerLiabilityCashReceivedForRevenuesNotYetRecognized" xlink:type="locator"/>

<link:label xlink:label="ora_ContractWithCustomerLiabilityCashReceivedForRevenuesNotYetRecognized-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Cash received in advance for which revenues have not yet recognized, net of expenditures made </link:label>

<link:label xlink:label="ora_ContractWithCustomerLiabilityCashReceivedForRevenuesNotYetRecognized-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Amount of increase (decrease) in revenue recognized for cash received that has not yet been recognized. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_ContractWithCustomerLiabilityCashReceivedForRevenuesNotYetRecognized" xlink:to="ora_ContractWithCustomerLiabilityCashReceivedForRevenuesNotYetRecognized-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_ContractWithCustomerAssetNetChange" xlink:label="ora_ContractWithCustomerAssetNetChange" xlink:type="locator"/>

<link:label xlink:label="ora_ContractWithCustomerAssetNetChange-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_ContractWithCustomerAssetNetChange </link:label>

<link:label xlink:label="ora_ContractWithCustomerAssetNetChange-label" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Net change in contract assets and contract liabilities </link:label>

<link:label xlink:label="ora_ContractWithCustomerAssetNetChange-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The net change in contract assets with customer. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_ContractWithCustomerAssetNetChange" xlink:to="ora_ContractWithCustomerAssetNetChange-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount" xlink:label="us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount" xlink:type="locator"/>

<link:label xlink:label="us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount </link:label>

<link:label xlink:label="us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Defined Contribution Plan, Employer Discretionary Contribution Amount </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount" xlink:to="us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_GeneralAndAdministrativeExpense" xlink:label="us-gaap_GeneralAndAdministrativeExpense" xlink:type="locator"/>

<link:label xlink:label="us-gaap_GeneralAndAdministrativeExpense-label" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> General and administrative expenses </link:label>

<link:label xlink:label="us-gaap_GeneralAndAdministrativeExpense-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> General and administrative expenses </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GeneralAndAdministrativeExpense" xlink:to="us-gaap_GeneralAndAdministrativeExpense-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_ContractWithCustomerAssetAssetsRecognized" xlink:label="ora_ContractWithCustomerAssetAssetsRecognized" xlink:type="locator"/>

<link:label xlink:label="ora_ContractWithCustomerAssetAssetsRecognized-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Contract assets recognized, net of recognized receivables </link:label>

<link:label xlink:label="ora_ContractWithCustomerAssetAssetsRecognized-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Amount of asset recognized, net of recognized receivables. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_ContractWithCustomerAssetAssetsRecognized" xlink:to="ora_ContractWithCustomerAssetAssetsRecognized-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent" xlink:label="us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent" xlink:type="locator"/>

<link:label xlink:label="us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent </link:label>

<link:label xlink:label="us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent" xlink:to="us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_ElectricityAndProductRevenueMember" xlink:label="ora_ElectricityAndProductRevenueMember" xlink:type="locator"/>

<link:label xlink:label="ora_ElectricityAndProductRevenueMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Electricity and Product Revenue [Member] </link:label>

<link:label xlink:label="ora_ElectricityAndProductRevenueMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Related to revenue derived from electricity and products. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_ElectricityAndProductRevenueMember" xlink:to="ora_ElectricityAndProductRevenueMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent" xlink:label="us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent" xlink:type="locator"/>

<link:label xlink:label="us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent </link:label>

<link:label xlink:label="us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent" xlink:to="us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_ContractWithCustomerLiabilityLiabilityNetChange" xlink:label="ora_ContractWithCustomerLiabilityLiabilityNetChange" xlink:type="locator"/>

<link:label xlink:label="ora_ContractWithCustomerLiabilityLiabilityNetChange-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_ContractWithCustomerLiabilityLiabilityNetChange </link:label>

<link:label xlink:label="ora_ContractWithCustomerLiabilityLiabilityNetChange-label" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Net change in contract assets and contract liabilities </link:label>

<link:label xlink:label="ora_ContractWithCustomerLiabilityLiabilityNetChange-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The amount of increase (decrease) in contract liability with customer. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_ContractWithCustomerLiabilityLiabilityNetChange" xlink:to="ora_ContractWithCustomerLiabilityLiabilityNetChange-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_SeniorUnsecuredLoanMember" xlink:label="ora_SeniorUnsecuredLoanMember" xlink:type="locator"/>

<link:label xlink:label="ora_SeniorUnsecuredLoanMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Senior Unsecured Loan [Member] </link:label>

<link:label xlink:label="ora_SeniorUnsecuredLoanMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Related to a senior unsecured loan. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_SeniorUnsecuredLoanMember" xlink:to="ora_SeniorUnsecuredLoanMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_LeasesOfLesseeAndLessorDisclosureTextBlock" xlink:label="ora_LeasesOfLesseeAndLessorDisclosureTextBlock" xlink:type="locator"/>

<link:label xlink:label="ora_LeasesOfLesseeAndLessorDisclosureTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Leases of Lessee and Lessor Disclosure [Text Block] </link:label>

<link:label xlink:label="ora_LeasesOfLesseeAndLessorDisclosureTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The entire disclosure for lessee and lessor entity's leasing arrangements including, but not limited to, all of the following: (a.) The basis on which contingent rental payments are determined, (b.) The existence and terms of renewal or purchase options and escalation clauses, (c.) Restrictions imposed by lease agreements, such as those concerning dividends, additional debt, and further leasing. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_LeasesOfLesseeAndLessorDisclosureTextBlock" xlink:to="ora_LeasesOfLesseeAndLessorDisclosureTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:type="locator"/>

<link:label xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue-label" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Cash and cash equivalents </link:label>

<link:label xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Cash and cash equivalents </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:to="us-gaap_CashAndCashEquivalentsAtCarryingValue-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_DeferredTaxLiabilityRateRespectOfTaxExemptIncome" xlink:label="ora_DeferredTaxLiabilityRateRespectOfTaxExemptIncome" xlink:type="locator"/>

<link:label xlink:label="ora_DeferredTaxLiabilityRateRespectOfTaxExemptIncome-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_DeferredTaxLiabilityRateRespectOfTaxExemptIncome </link:label>

<link:label xlink:label="ora_DeferredTaxLiabilityRateRespectOfTaxExemptIncome-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Deferred Tax Liability, Rate, Respect of Tax Exempt Income </link:label>

<link:label xlink:label="ora_DeferredTaxLiabilityRateRespectOfTaxExemptIncome-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The record rate of deferred tax liability in respect of tax exempt income. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_DeferredTaxLiabilityRateRespectOfTaxExemptIncome" xlink:to="ora_DeferredTaxLiabilityRateRespectOfTaxExemptIncome-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_The2018IncentivePlanMember" xlink:label="ora_The2018IncentivePlanMember" xlink:type="locator"/>

<link:label xlink:label="ora_The2018IncentivePlanMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> The 2018 Incentive Plan [Member] </link:label>

<link:label xlink:label="ora_The2018IncentivePlanMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Related to the 2018 incentive plan. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_The2018IncentivePlanMember" xlink:to="ora_The2018IncentivePlanMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_SharebasedCompensationAwardTrancheFourMember" xlink:label="ora_SharebasedCompensationAwardTrancheFourMember" xlink:type="locator"/>

<link:label xlink:label="ora_SharebasedCompensationAwardTrancheFourMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Award, Tranche Four [Member] </link:label>

<link:label xlink:label="ora_SharebasedCompensationAwardTrancheFourMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Related to the fourth tranche of the share-based compensation award. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_SharebasedCompensationAwardTrancheFourMember" xlink:to="ora_SharebasedCompensationAwardTrancheFourMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_TaxRateOnExemptIncomeInEventOfDistribution" xlink:label="ora_TaxRateOnExemptIncomeInEventOfDistribution" xlink:type="locator"/>

<link:label xlink:label="ora_TaxRateOnExemptIncomeInEventOfDistribution-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_TaxRateOnExemptIncomeInEventOfDistribution </link:label>

<link:label xlink:label="ora_TaxRateOnExemptIncomeInEventOfDistribution-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Tax Rate on Exempt Income, in Event of Distribution </link:label>

<link:label xlink:label="ora_TaxRateOnExemptIncomeInEventOfDistribution-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The tax rate on income that will be applied to exempt income in the event of distribution of a cash dividend out of retained earnings. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_TaxRateOnExemptIncomeInEventOfDistribution" xlink:to="ora_TaxRateOnExemptIncomeInEventOfDistribution-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_IncomeTaxesExemptPeriod" xlink:label="ora_IncomeTaxesExemptPeriod" xlink:type="locator"/>

<link:label xlink:label="ora_IncomeTaxesExemptPeriod-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_IncomeTaxesExemptPeriod </link:label>

<link:label xlink:label="ora_IncomeTaxesExemptPeriod-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Income Taxes Exempt Period (Year) </link:label>

<link:label xlink:label="ora_IncomeTaxesExemptPeriod-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The period that exempt from income taxes. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_IncomeTaxesExemptPeriod" xlink:to="ora_IncomeTaxesExemptPeriod-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_MigdalSeniorUnsecuredLoanMember" xlink:label="ora_MigdalSeniorUnsecuredLoanMember" xlink:type="locator"/>

<link:label xlink:label="ora_MigdalSeniorUnsecuredLoanMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Migdal Senior Unsecured Loan [Member] </link:label>

<link:label xlink:label="ora_MigdalSeniorUnsecuredLoanMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents information related to the Migdal senior unsecured loan. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_MigdalSeniorUnsecuredLoanMember" xlink:to="ora_MigdalSeniorUnsecuredLoanMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_OlkariaIVLoanDEG3Member" xlink:label="ora_OlkariaIVLoanDEG3Member" xlink:type="locator"/>

<link:label xlink:label="ora_OlkariaIVLoanDEG3Member-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Olkaria IV Loan - DEG 3 [Member] </link:label>

<link:label xlink:label="ora_OlkariaIVLoanDEG3Member-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The name or description of the debt instrument. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_OlkariaIVLoanDEG3Member" xlink:to="ora_OlkariaIVLoanDEG3Member-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_ValuationAllowanceDeferredTaxAssetAddition" xlink:label="ora_ValuationAllowanceDeferredTaxAssetAddition" xlink:type="locator"/>

<link:label xlink:label="ora_ValuationAllowanceDeferredTaxAssetAddition-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Additions to valuation allowance </link:label>

<link:label xlink:label="ora_ValuationAllowanceDeferredTaxAssetAddition-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Amount of increase in the valuation allowance for a specified deferred tax asset. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_ValuationAllowanceDeferredTaxAssetAddition" xlink:to="ora_ValuationAllowanceDeferredTaxAssetAddition-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_ValuationAllowanceDeferredTaxAssetRelease" xlink:label="ora_ValuationAllowanceDeferredTaxAssetRelease" xlink:type="locator"/>

<link:label xlink:label="ora_ValuationAllowanceDeferredTaxAssetRelease-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_ValuationAllowanceDeferredTaxAssetRelease </link:label>

<link:label xlink:label="ora_ValuationAllowanceDeferredTaxAssetRelease-label" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Release of valuation allowance </link:label>

<link:label xlink:label="ora_ValuationAllowanceDeferredTaxAssetRelease-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Amount of decrease in the valuation allowance for a specified deferred tax asset attributable to the release of valuation allowance. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_ValuationAllowanceDeferredTaxAssetRelease" xlink:to="ora_ValuationAllowanceDeferredTaxAssetRelease-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_OrmatNevadaIncMember" xlink:label="ora_OrmatNevadaIncMember" xlink:type="locator"/>

<link:label xlink:label="ora_OrmatNevadaIncMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Ormat Nevada Inc. [Member] </link:label>

<link:label xlink:label="ora_OrmatNevadaIncMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Related to the entity Ormat Nevada Inc. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_OrmatNevadaIncMember" xlink:to="ora_OrmatNevadaIncMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_SistemaDeAdministracinDeRentasMember" xlink:label="ora_SistemaDeAdministracinDeRentasMember" xlink:type="locator"/>

<link:label xlink:label="ora_SistemaDeAdministracinDeRentasMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Sistema de Administración de Rentas [Member] </link:label>

<link:label xlink:label="ora_SistemaDeAdministracinDeRentasMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents Sistema de Administración de Rentas, the tax authority in Honduras. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_SistemaDeAdministracinDeRentasMember" xlink:to="ora_SistemaDeAdministracinDeRentasMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter" xlink:label="us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter" xlink:type="locator"/>

<link:label xlink:label="us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter-label" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> 2026-2043 </link:label>

<link:label xlink:label="us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter" xlink:to="us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AssetRetirementObligationAccretionExpense" xlink:label="us-gaap_AssetRetirementObligationAccretionExpense" xlink:type="locator"/>

<link:label xlink:label="us-gaap_AssetRetirementObligationAccretionExpense-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accretion of asset retirement obligation </link:label>

<link:label xlink:label="us-gaap_AssetRetirementObligationAccretionExpense-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accretion expense </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetRetirementObligationAccretionExpense" xlink:to="us-gaap_AssetRetirementObligationAccretionExpense-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_ElectricitySegmentMember" xlink:label="ora_ElectricitySegmentMember" xlink:type="locator"/>

<link:label xlink:label="ora_ElectricitySegmentMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Electricity Segment [Member] </link:label>

<link:label xlink:label="ora_ElectricitySegmentMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Related to the electricity segment. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_ElectricitySegmentMember" xlink:to="ora_ElectricitySegmentMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo" xlink:label="us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo" xlink:type="locator"/>

<link:label xlink:label="us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo-label" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> 2022 </link:label>

<link:label xlink:label="us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo" xlink:to="us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree" xlink:label="us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree" xlink:type="locator"/>

<link:label xlink:label="us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree-label" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> 2023 </link:label>

<link:label xlink:label="us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree" xlink:to="us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour" xlink:label="us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour" xlink:type="locator"/>

<link:label xlink:label="us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour-label" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> 2024 </link:label>

<link:label xlink:label="us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour" xlink:to="us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RoyaltyExpense" xlink:label="us-gaap_RoyaltyExpense" xlink:type="locator"/>

<link:label xlink:label="us-gaap_RoyaltyExpense-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_RoyaltyExpense </link:label>

<link:label xlink:label="us-gaap_RoyaltyExpense-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Royalty Expense </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RoyaltyExpense" xlink:to="us-gaap_RoyaltyExpense-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive" xlink:label="us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive" xlink:type="locator"/>

<link:label xlink:label="us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive-label" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> 2025 </link:label>

<link:label xlink:label="us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive" xlink:to="us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive-label" xlink:type="arc"/>

<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_AmendmentFlag" xlink:label="dei_AmendmentFlag" xlink:type="locator"/>

<link:label xlink:label="dei_AmendmentFlag-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Amendment Flag </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_AmendmentFlag" xlink:to="dei_AmendmentFlag-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_LesseeLeaseLiabilityMaturityTableTextBlock" xlink:label="ora_LesseeLeaseLiabilityMaturityTableTextBlock" xlink:type="locator"/>

<link:label xlink:label="ora_LesseeLeaseLiabilityMaturityTableTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Lessee, Lease Liability, Maturity [Table Text Block] </link:label>

<link:label xlink:label="ora_LesseeLeaseLiabilityMaturityTableTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Tabular disclosure of lessee's lease liability. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_LesseeLeaseLiabilityMaturityTableTextBlock" xlink:to="ora_LesseeLeaseLiabilityMaturityTableTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_UncertainTaxBenefitDecreaseToDeferredTaxAsset" xlink:label="ora_UncertainTaxBenefitDecreaseToDeferredTaxAsset" xlink:type="locator"/>

<link:label xlink:label="ora_UncertainTaxBenefitDecreaseToDeferredTaxAsset-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_UncertainTaxBenefitDecreaseToDeferredTaxAsset </link:label>

<link:label xlink:label="ora_UncertainTaxBenefitDecreaseToDeferredTaxAsset-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Uncertain Tax Benefit, Reudction to Deferred Tax Asset </link:label>

<link:label xlink:label="ora_UncertainTaxBenefitDecreaseToDeferredTaxAsset-label" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Uncertain tax benefit offset (1) </link:label>

<link:label xlink:label="ora_UncertainTaxBenefitDecreaseToDeferredTaxAsset-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The amount of uncertain tax benefit that reduced the deferred tax asset. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_UncertainTaxBenefitDecreaseToDeferredTaxAsset" xlink:to="ora_UncertainTaxBenefitDecreaseToDeferredTaxAsset-label" xlink:type="arc"/>

<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_CityAreaCode" xlink:label="dei_CityAreaCode" xlink:type="locator"/>

<link:label xlink:label="dei_CityAreaCode-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> City Area Code </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_CityAreaCode" xlink:to="dei_CityAreaCode-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths" xlink:label="us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths" xlink:type="locator"/>

<link:label xlink:label="us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths-label" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> 2021 </link:label>

<link:label xlink:label="us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths" xlink:to="us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_UseOfEstimates" xlink:label="us-gaap_UseOfEstimates" xlink:type="locator"/>

<link:label xlink:label="us-gaap_UseOfEstimates-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Use of Estimates, Policy [Policy Text Block] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_UseOfEstimates" xlink:to="us-gaap_UseOfEstimates-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock" xlink:label="us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock" xlink:type="locator"/>

<link:label xlink:label="us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> New Accounting Pronouncements, Policy [Policy Text Block] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock" xlink:to="us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_DebtInstrumentIncreaseInStatedInterestRateIfRatingIsDowngradedToILANegative" xlink:label="ora_DebtInstrumentIncreaseInStatedInterestRateIfRatingIsDowngradedToILANegative" xlink:type="locator"/>

<link:label xlink:label="ora_DebtInstrumentIncreaseInStatedInterestRateIfRatingIsDowngradedToILANegative-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_DebtInstrumentIncreaseInStatedInterestRateIfRatingIsDowngradedToILANegative </link:label>

<link:label xlink:label="ora_DebtInstrumentIncreaseInStatedInterestRateIfRatingIsDowngradedToILANegative-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Debt Instrument Increase in Stated Interest Rate if Rating is Downgraded to ILA Negative </link:label>

<link:label xlink:label="ora_DebtInstrumentIncreaseInStatedInterestRateIfRatingIsDowngradedToILANegative-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The increase in the stated interest rate of a debt instrument if company rating is downgraded to ILA negative. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_DebtInstrumentIncreaseInStatedInterestRateIfRatingIsDowngradedToILANegative" xlink:to="ora_DebtInstrumentIncreaseInStatedInterestRateIfRatingIsDowngradedToILANegative-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EquityMethodInvestmentRealizedGainLossOnDisposal" xlink:label="us-gaap_EquityMethodInvestmentRealizedGainLossOnDisposal" xlink:type="locator"/>

<link:label xlink:label="us-gaap_EquityMethodInvestmentRealizedGainLossOnDisposal-label" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Income attributable to sale of tax benefits </link:label>

<link:label xlink:label="us-gaap_EquityMethodInvestmentRealizedGainLossOnDisposal-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income attributable to sale of tax benefits </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EquityMethodInvestmentRealizedGainLossOnDisposal" xlink:to="us-gaap_EquityMethodInvestmentRealizedGainLossOnDisposal-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_DebtToEBITDARatioThresholdForRateIncrease" xlink:label="ora_DebtToEBITDARatioThresholdForRateIncrease" xlink:type="locator"/>

<link:label xlink:label="ora_DebtToEBITDARatioThresholdForRateIncrease-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_DebtToEBITDARatioThresholdForRateIncrease </link:label>

<link:label xlink:label="ora_DebtToEBITDARatioThresholdForRateIncrease-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Debt to EBITDA Ratio Threshold for Rate Increase </link:label>

<link:label xlink:label="ora_DebtToEBITDARatioThresholdForRateIncrease-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The debt to EBITDA ratio threshold for rate increases. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_DebtToEBITDARatioThresholdForRateIncrease" xlink:to="ora_DebtToEBITDARatioThresholdForRateIncrease-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_DEG3LoanAgreementMember" xlink:label="ora_DEG3LoanAgreementMember" xlink:type="locator"/>

<link:label xlink:label="ora_DEG3LoanAgreementMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> DEG 3 Loan Agreement [Member] </link:label>

<link:label xlink:label="ora_DEG3LoanAgreementMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Information related to the DEG 3 Loan Agreement. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_DEG3LoanAgreementMember" xlink:to="ora_DEG3LoanAgreementMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_DebtInstrumentDecreaseInStatedInterestRateForEachRatingUpgrade" xlink:label="ora_DebtInstrumentDecreaseInStatedInterestRateForEachRatingUpgrade" xlink:type="locator"/>

<link:label xlink:label="ora_DebtInstrumentDecreaseInStatedInterestRateForEachRatingUpgrade-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_DebtInstrumentDecreaseInStatedInterestRateForEachRatingUpgrade </link:label>

<link:label xlink:label="ora_DebtInstrumentDecreaseInStatedInterestRateForEachRatingUpgrade-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Debt Instrument Decrease in Stated Interest Rate for Each Rating Upgrade </link:label>

<link:label xlink:label="ora_DebtInstrumentDecreaseInStatedInterestRateForEachRatingUpgrade-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The decrease in stated interest rate for a debt instrument for each upgrade of the company's rating. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_DebtInstrumentDecreaseInStatedInterestRateForEachRatingUpgrade" xlink:to="ora_DebtInstrumentDecreaseInStatedInterestRateForEachRatingUpgrade-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_DebtInstrumentIncreaseInStatedInterestRateEachAdditionalDowngrade" xlink:label="ora_DebtInstrumentIncreaseInStatedInterestRateEachAdditionalDowngrade" xlink:type="locator"/>

<link:label xlink:label="ora_DebtInstrumentIncreaseInStatedInterestRateEachAdditionalDowngrade-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_DebtInstrumentIncreaseInStatedInterestRateEachAdditionalDowngrade </link:label>

<link:label xlink:label="ora_DebtInstrumentIncreaseInStatedInterestRateEachAdditionalDowngrade-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Debt Instrument Increase in Stated Interest Rate Each Additional Downgrade </link:label>

<link:label xlink:label="ora_DebtInstrumentIncreaseInStatedInterestRateEachAdditionalDowngrade-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The increase in the stated interest rate of the debt instrument with each additional downgrade of the company's rating. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_DebtInstrumentIncreaseInStatedInterestRateEachAdditionalDowngrade" xlink:to="ora_DebtInstrumentIncreaseInStatedInterestRateEachAdditionalDowngrade-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_StockholdersEquityDebtCovenantMinimumThresholdToPayDividends" xlink:label="ora_StockholdersEquityDebtCovenantMinimumThresholdToPayDividends" xlink:type="locator"/>

<link:label xlink:label="ora_StockholdersEquityDebtCovenantMinimumThresholdToPayDividends-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_StockholdersEquityDebtCovenantMinimumThresholdToPayDividends </link:label>

<link:label xlink:label="ora_StockholdersEquityDebtCovenantMinimumThresholdToPayDividends-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Stockholders Equity, Debt Covenant, Minimum Threshold to Pay Dividends </link:label>

<link:label xlink:label="ora_StockholdersEquityDebtCovenantMinimumThresholdToPayDividends-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The minimum threshold of stockholders equity related to a debt covenant to pay dividends. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_StockholdersEquityDebtCovenantMinimumThresholdToPayDividends" xlink:to="ora_StockholdersEquityDebtCovenantMinimumThresholdToPayDividends-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_StockholdersEquityDebtCovenantMinimumThreshold" xlink:label="ora_StockholdersEquityDebtCovenantMinimumThreshold" xlink:type="locator"/>

<link:label xlink:label="ora_StockholdersEquityDebtCovenantMinimumThreshold-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_StockholdersEquityDebtCovenantMinimumThreshold </link:label>

<link:label xlink:label="ora_StockholdersEquityDebtCovenantMinimumThreshold-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Stockholders Equity, Debt Covenant, Minimum Threshold </link:label>

<link:label xlink:label="ora_StockholdersEquityDebtCovenantMinimumThreshold-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The stockholders equity minimum threshold amount in relation to a debt covenant. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_StockholdersEquityDebtCovenantMinimumThreshold" xlink:to="ora_StockholdersEquityDebtCovenantMinimumThreshold-label" xlink:type="arc"/>

<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_CurrentFiscalYearEndDate" xlink:label="dei_CurrentFiscalYearEndDate" xlink:type="locator"/>

<link:label xlink:label="dei_CurrentFiscalYearEndDate-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Current Fiscal Year End Date </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_CurrentFiscalYearEndDate" xlink:to="dei_CurrentFiscalYearEndDate-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_DebtInstrumentIncreaseInStatedInterestRateIfDebtToEbitdaRatioExceedsThreshold" xlink:label="ora_DebtInstrumentIncreaseInStatedInterestRateIfDebtToEbitdaRatioExceedsThreshold" xlink:type="locator"/>

<link:label xlink:label="ora_DebtInstrumentIncreaseInStatedInterestRateIfDebtToEbitdaRatioExceedsThreshold-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_DebtInstrumentIncreaseInStatedInterestRateIfDebtToEbitdaRatioExceedsThreshold </link:label>

<link:label xlink:label="ora_DebtInstrumentIncreaseInStatedInterestRateIfDebtToEbitdaRatioExceedsThreshold-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Debt Instrument Increase in Stated Interest Rate if Debt to EBITDA Ratio Exceeds Threshold </link:label>

<link:label xlink:label="ora_DebtInstrumentIncreaseInStatedInterestRateIfDebtToEbitdaRatioExceedsThreshold-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The increase in the stated interest rate of a debt instrument if debt to EBITDA ratio exceeds threshold. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_DebtInstrumentIncreaseInStatedInterestRateIfDebtToEbitdaRatioExceedsThreshold" xlink:to="ora_DebtInstrumentIncreaseInStatedInterestRateIfDebtToEbitdaRatioExceedsThreshold-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_AdditionalMigdalLoanMember" xlink:label="ora_AdditionalMigdalLoanMember" xlink:type="locator"/>

<link:label xlink:label="ora_AdditionalMigdalLoanMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Additional Migdal Loan [Member] </link:label>

<link:label xlink:label="ora_AdditionalMigdalLoanMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Information related to the additional Migdal loan. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_AdditionalMigdalLoanMember" xlink:to="ora_AdditionalMigdalLoanMember-label" xlink:type="arc"/>

<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_DocumentFiscalPeriodFocus" xlink:label="dei_DocumentFiscalPeriodFocus" xlink:type="locator"/>

<link:label xlink:label="dei_DocumentFiscalPeriodFocus-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Document Fiscal Period Focus </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentFiscalPeriodFocus" xlink:to="dei_DocumentFiscalPeriodFocus-label" xlink:type="arc"/>

<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_DocumentFiscalYearFocus" xlink:label="dei_DocumentFiscalYearFocus" xlink:type="locator"/>

<link:label xlink:label="dei_DocumentFiscalYearFocus-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Document Fiscal Year Focus </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentFiscalYearFocus" xlink:to="dei_DocumentFiscalYearFocus-label" xlink:type="arc"/>

<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_DocumentPeriodEndDate" xlink:label="dei_DocumentPeriodEndDate" xlink:type="locator"/>

<link:label xlink:label="dei_DocumentPeriodEndDate-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Document Period End Date </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentPeriodEndDate" xlink:to="dei_DocumentPeriodEndDate-label" xlink:type="arc"/>

<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityFileNumber" xlink:label="dei_EntityFileNumber" xlink:type="locator"/>

<link:label xlink:label="dei_EntityFileNumber-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity File Number </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityFileNumber" xlink:to="dei_EntityFileNumber-label" xlink:type="arc"/>

<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityEmergingGrowthCompany" xlink:label="dei_EntityEmergingGrowthCompany" xlink:type="locator"/>

<link:label xlink:label="dei_EntityEmergingGrowthCompany-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity Emerging Growth Company </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityEmergingGrowthCompany" xlink:to="dei_EntityEmergingGrowthCompany-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_WriteOffOfDeferredDebtIssuanceCost" xlink:label="us-gaap_WriteOffOfDeferredDebtIssuanceCost" xlink:type="locator"/>

<link:label xlink:label="us-gaap_WriteOffOfDeferredDebtIssuanceCost-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_WriteOffOfDeferredDebtIssuanceCost </link:label>

<link:label xlink:label="us-gaap_WriteOffOfDeferredDebtIssuanceCost-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Write off of Deferred Debt Issuance Cost </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_WriteOffOfDeferredDebtIssuanceCost" xlink:to="us-gaap_WriteOffOfDeferredDebtIssuanceCost-label" xlink:type="arc"/>

<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_DocumentType" xlink:label="dei_DocumentType" xlink:type="locator"/>

<link:label xlink:label="dei_DocumentType-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Document Type </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentType" xlink:to="dei_DocumentType-label" xlink:type="arc"/>

<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntitySmallBusiness" xlink:label="dei_EntitySmallBusiness" xlink:type="locator"/>

<link:label xlink:label="dei_EntitySmallBusiness-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity Small Business </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntitySmallBusiness" xlink:to="dei_EntitySmallBusiness-label" xlink:type="arc"/>

<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityShellCompany" xlink:label="dei_EntityShellCompany" xlink:type="locator"/>

<link:label xlink:label="dei_EntityShellCompany-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity Shell Company </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityShellCompany" xlink:to="dei_EntityShellCompany-label" xlink:type="arc"/>

<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_DocumentInformationLineItems" xlink:label="dei_DocumentInformationLineItems" xlink:type="locator"/>

<link:label xlink:label="dei_DocumentInformationLineItems-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Document Information [Line Items] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_DocumentInformationLineItems-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_GainOnBusinessInterruptionInsuranceRecovery" xlink:label="us-gaap_GainOnBusinessInterruptionInsuranceRecovery" xlink:type="locator"/>

<link:label xlink:label="us-gaap_GainOnBusinessInterruptionInsuranceRecovery-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_GainOnBusinessInterruptionInsuranceRecovery </link:label>

<link:label xlink:label="us-gaap_GainOnBusinessInterruptionInsuranceRecovery-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Gain on Business Interruption Insurance Recovery </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GainOnBusinessInterruptionInsuranceRecovery" xlink:to="us-gaap_GainOnBusinessInterruptionInsuranceRecovery-label" xlink:type="arc"/>

<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_DocumentInformationTable" xlink:label="dei_DocumentInformationTable" xlink:type="locator"/>

<link:label xlink:label="dei_DocumentInformationTable-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Document Information [Table] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentInformationTable" xlink:to="dei_DocumentInformationTable-label" xlink:type="arc"/>

<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityPublicFloat" xlink:label="dei_EntityPublicFloat" xlink:type="locator"/>

<link:label xlink:label="dei_EntityPublicFloat-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity Public Float </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityPublicFloat" xlink:to="dei_EntityPublicFloat-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SeveranceCosts1" xlink:label="us-gaap_SeveranceCosts1" xlink:type="locator"/>

<link:label xlink:label="us-gaap_SeveranceCosts1-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_SeveranceCosts1 </link:label>

<link:label xlink:label="us-gaap_SeveranceCosts1-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Severance Costs </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SeveranceCosts1" xlink:to="us-gaap_SeveranceCosts1-label" xlink:type="arc"/>

<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityFilerCategory" xlink:label="dei_EntityFilerCategory" xlink:type="locator"/>

<link:label xlink:label="dei_EntityFilerCategory-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity Filer Category </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityFilerCategory" xlink:to="dei_EntityFilerCategory-label" xlink:type="arc"/>

<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityCurrentReportingStatus" xlink:label="dei_EntityCurrentReportingStatus" xlink:type="locator"/>

<link:label xlink:label="dei_EntityCurrentReportingStatus-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity Current Reporting Status </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityCurrentReportingStatus" xlink:to="dei_EntityCurrentReportingStatus-label" xlink:type="arc"/>

<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityVoluntaryFilers" xlink:label="dei_EntityVoluntaryFilers" xlink:type="locator"/>

<link:label xlink:label="dei_EntityVoluntaryFilers-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity Voluntary Filers </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityVoluntaryFilers" xlink:to="dei_EntityVoluntaryFilers-label" xlink:type="arc"/>

<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityWellKnownSeasonedIssuer" xlink:label="dei_EntityWellKnownSeasonedIssuer" xlink:type="locator"/>

<link:label xlink:label="dei_EntityWellKnownSeasonedIssuer-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity Well-known Seasoned Issuer </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityWellKnownSeasonedIssuer" xlink:to="dei_EntityWellKnownSeasonedIssuer-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_GoodwillImpairmentLoss" xlink:label="us-gaap_GoodwillImpairmentLoss" xlink:type="locator"/>

<link:label xlink:label="us-gaap_GoodwillImpairmentLoss-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Impairment charge </link:label>

<link:label xlink:label="us-gaap_GoodwillImpairmentLoss-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Goodwill, Impairment Loss </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GoodwillImpairmentLoss" xlink:to="us-gaap_GoodwillImpairmentLoss-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ConcentrationRiskPercentage1" xlink:label="us-gaap_ConcentrationRiskPercentage1" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ConcentrationRiskPercentage1-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_ConcentrationRiskPercentage1 </link:label>

<link:label xlink:label="us-gaap_ConcentrationRiskPercentage1-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Concentration Risk, Percentage </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ConcentrationRiskPercentage1" xlink:to="us-gaap_ConcentrationRiskPercentage1-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ExplorationAbandonmentAndImpairmentExpense" xlink:label="us-gaap_ExplorationAbandonmentAndImpairmentExpense" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ExplorationAbandonmentAndImpairmentExpense-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Write-off of unsuccessful exploration activities </link:label>

<link:label xlink:label="us-gaap_ExplorationAbandonmentAndImpairmentExpense-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Exploration Abandonment and Impairment Expense </link:label>

<link:label xlink:label="us-gaap_ExplorationAbandonmentAndImpairmentExpense-label" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Write off of unsuccessful exploration costs </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ExplorationAbandonmentAndImpairmentExpense" xlink:to="us-gaap_ExplorationAbandonmentAndImpairmentExpense-label" xlink:type="arc"/>

<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityTaxIdentificationNumber" xlink:label="dei_EntityTaxIdentificationNumber" xlink:type="locator"/>

<link:label xlink:label="dei_EntityTaxIdentificationNumber-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity Tax Identification Number </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityTaxIdentificationNumber" xlink:to="dei_EntityTaxIdentificationNumber-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ImpairmentOfLongLivedAssetsToBeDisposedOf" xlink:label="us-gaap_ImpairmentOfLongLivedAssetsToBeDisposedOf" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ImpairmentOfLongLivedAssetsToBeDisposedOf-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_ImpairmentOfLongLivedAssetsToBeDisposedOf </link:label>

<link:label xlink:label="us-gaap_ImpairmentOfLongLivedAssetsToBeDisposedOf-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Impairment of Long-Lived Assets to be Disposed of </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ImpairmentOfLongLivedAssetsToBeDisposedOf" xlink:to="us-gaap_ImpairmentOfLongLivedAssetsToBeDisposedOf-label" xlink:type="arc"/>

<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityCentralIndexKey" xlink:label="dei_EntityCentralIndexKey" xlink:type="locator"/>

<link:label xlink:label="dei_EntityCentralIndexKey-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity Central Index Key </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityCentralIndexKey" xlink:to="dei_EntityCentralIndexKey-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DepreciationAndAmortization" xlink:label="us-gaap_DepreciationAndAmortization" xlink:type="locator"/>

<link:label xlink:label="us-gaap_DepreciationAndAmortization-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Depreciation and amortization </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DepreciationAndAmortization" xlink:to="us-gaap_DepreciationAndAmortization-label" xlink:type="arc"/>

<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityRegistrantName" xlink:label="dei_EntityRegistrantName" xlink:type="locator"/>

<link:label xlink:label="dei_EntityRegistrantName-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity Registrant Name </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityRegistrantName" xlink:to="dei_EntityRegistrantName-label" xlink:type="arc"/>

<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain" xlink:type="locator"/>

<link:label xlink:label="dei_EntityDomain-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity [Domain] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityDomain" xlink:to="dei_EntityDomain-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CustomerConcentrationRiskMember" xlink:label="us-gaap_CustomerConcentrationRiskMember" xlink:type="locator"/>

<link:label xlink:label="us-gaap_CustomerConcentrationRiskMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Customer Concentration Risk [Member] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CustomerConcentrationRiskMember" xlink:to="us-gaap_CustomerConcentrationRiskMember-label" xlink:type="arc"/>

<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis" xlink:type="locator"/>

<link:label xlink:label="dei_LegalEntityAxis-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Legal Entity [Axis] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_LegalEntityAxis" xlink:to="dei_LegalEntityAxis-label" xlink:type="arc"/>

<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityAddressAddressLine1" xlink:label="dei_EntityAddressAddressLine1" xlink:type="locator"/>

<link:label xlink:label="dei_EntityAddressAddressLine1-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity Address, Address Line One </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityAddressAddressLine1" xlink:to="dei_EntityAddressAddressLine1-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AmortizationOfIntangibleAssets" xlink:label="us-gaap_AmortizationOfIntangibleAssets" xlink:type="locator"/>

<link:label xlink:label="us-gaap_AmortizationOfIntangibleAssets-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_AmortizationOfIntangibleAssets </link:label>

<link:label xlink:label="us-gaap_AmortizationOfIntangibleAssets-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Amortization of Intangible Assets, Total </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AmortizationOfIntangibleAssets" xlink:to="us-gaap_AmortizationOfIntangibleAssets-label" xlink:type="arc"/>

<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityAddressCityOrTown" xlink:label="dei_EntityAddressCityOrTown" xlink:type="locator"/>

<link:label xlink:label="dei_EntityAddressCityOrTown-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity Address, City or Town </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityAddressCityOrTown" xlink:to="dei_EntityAddressCityOrTown-label" xlink:type="arc"/>

<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityAddressPostalZipCode" xlink:label="dei_EntityAddressPostalZipCode" xlink:type="locator"/>

<link:label xlink:label="dei_EntityAddressPostalZipCode-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity Address, Postal Zip Code </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityAddressPostalZipCode" xlink:to="dei_EntityAddressPostalZipCode-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_LoanAgreementWithOpicTheOlkariaIIIPowerPlantMember" xlink:label="ora_LoanAgreementWithOpicTheOlkariaIIIPowerPlantMember" xlink:type="locator"/>

<link:label xlink:label="ora_LoanAgreementWithOpicTheOlkariaIIIPowerPlantMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Loan Agreement With OPIC the Olkaria III Power Plant [Member] </link:label>

<link:label xlink:label="ora_LoanAgreementWithOpicTheOlkariaIIIPowerPlantMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The loan agreement with OPIC the Olkaria III power plant. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_LoanAgreementWithOpicTheOlkariaIIIPowerPlantMember" xlink:to="ora_LoanAgreementWithOpicTheOlkariaIIIPowerPlantMember-label" xlink:type="arc"/>

<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityAddressStateOrProvince" xlink:label="dei_EntityAddressStateOrProvince" xlink:type="locator"/>

<link:label xlink:label="dei_EntityAddressStateOrProvince-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity Address, State or Province </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityAddressStateOrProvince" xlink:to="dei_EntityAddressStateOrProvince-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ConcentrationRiskByTypeAxis" xlink:label="us-gaap_ConcentrationRiskByTypeAxis" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ConcentrationRiskByTypeAxis-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Concentration Risk Type [Axis] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ConcentrationRiskByTypeAxis" xlink:to="us-gaap_ConcentrationRiskByTypeAxis-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ConcentrationRiskTypeDomain" xlink:label="us-gaap_ConcentrationRiskTypeDomain" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ConcentrationRiskTypeDomain-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Concentration Risk Type [Domain] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ConcentrationRiskTypeDomain" xlink:to="us-gaap_ConcentrationRiskTypeDomain-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_ProjectDebtMember" xlink:label="ora_ProjectDebtMember" xlink:type="locator"/>

<link:label xlink:label="ora_ProjectDebtMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Project Debt [Member] </link:label>

<link:label xlink:label="ora_ProjectDebtMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the project debt. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_ProjectDebtMember" xlink:to="ora_ProjectDebtMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_RevolvingCreditLinesWithBanksMember" xlink:label="ora_RevolvingCreditLinesWithBanksMember" xlink:type="locator"/>

<link:label xlink:label="ora_RevolvingCreditLinesWithBanksMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Revolving Credit Lines With Banks [Member] </link:label>

<link:label xlink:label="ora_RevolvingCreditLinesWithBanksMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The customer pays a commitment fee and is then allowed to use the funds when they are needed. It is usually used for operating purposes, fluctuating each month depending on the customer's current cash flow needs. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_RevolvingCreditLinesWithBanksMember" xlink:to="ora_RevolvingCreditLinesWithBanksMember-label" xlink:type="arc"/>

<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityCommonStockSharesOutstanding" xlink:label="dei_EntityCommonStockSharesOutstanding" xlink:type="locator"/>

<link:label xlink:label="dei_EntityCommonStockSharesOutstanding-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity Common Stock, Shares Outstanding </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityCommonStockSharesOutstanding" xlink:to="dei_EntityCommonStockSharesOutstanding-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccountsReceivableMember" xlink:label="us-gaap_AccountsReceivableMember" xlink:type="locator"/>

<link:label xlink:label="us-gaap_AccountsReceivableMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accounts Receivable [Member] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccountsReceivableMember" xlink:to="us-gaap_AccountsReceivableMember-label" xlink:type="arc"/>

<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_TradingSymbol" xlink:label="dei_TradingSymbol" xlink:type="locator"/>

<link:label xlink:label="dei_TradingSymbol-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Trading Symbol </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_TradingSymbol" xlink:to="dei_TradingSymbol-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ConcentrationRiskByBenchmarkAxis" xlink:label="us-gaap_ConcentrationRiskByBenchmarkAxis" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ConcentrationRiskByBenchmarkAxis-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Concentration Risk Benchmark [Axis] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ConcentrationRiskByBenchmarkAxis" xlink:to="us-gaap_ConcentrationRiskByBenchmarkAxis-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ConcentrationRiskBenchmarkDomain" xlink:label="us-gaap_ConcentrationRiskBenchmarkDomain" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ConcentrationRiskBenchmarkDomain-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Concentration Risk Benchmark [Domain] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ConcentrationRiskBenchmarkDomain" xlink:to="us-gaap_ConcentrationRiskBenchmarkDomain-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock" xlink:label="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock" xlink:type="locator"/>

<link:label xlink:label="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock" xlink:to="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_LocalPhoneNumber" xlink:label="dei_LocalPhoneNumber" xlink:type="locator"/>

<link:label xlink:label="dei_LocalPhoneNumber-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Local Phone Number </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_LocalPhoneNumber" xlink:to="dei_LocalPhoneNumber-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_TableTextBlock" xlink:label="us-gaap_TableTextBlock" xlink:type="locator"/>

<link:label xlink:label="us-gaap_TableTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_TableTextBlock </link:label>

<link:label xlink:label="us-gaap_TableTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Notes Tables </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TableTextBlock" xlink:to="us-gaap_TableTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_PlumstrikerAndItsTwoSubsidiariesMember" xlink:label="ora_PlumstrikerAndItsTwoSubsidiariesMember" xlink:type="locator"/>

<link:label xlink:label="ora_PlumstrikerAndItsTwoSubsidiariesMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Plumstriker and its Two Subsidiaries [Member] </link:label>

<link:label xlink:label="ora_PlumstrikerAndItsTwoSubsidiariesMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents information pertaining to a wholly owned indirect subsidiary of the Company ("Plumstriker") and its two subsidiaries. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_PlumstrikerAndItsTwoSubsidiariesMember" xlink:to="ora_PlumstrikerAndItsTwoSubsidiariesMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_GainLossOnSaleOfOtherAssets" xlink:label="us-gaap_GainLossOnSaleOfOtherAssets" xlink:type="locator"/>

<link:label xlink:label="us-gaap_GainLossOnSaleOfOtherAssets-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_GainLossOnSaleOfOtherAssets </link:label>

<link:label xlink:label="us-gaap_GainLossOnSaleOfOtherAssets-label" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Loss (gain) on severance pay fund asset </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GainLossOnSaleOfOtherAssets" xlink:to="us-gaap_GainLossOnSaleOfOtherAssets-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_PlumstrikerLoanAgreementMember" xlink:label="ora_PlumstrikerLoanAgreementMember" xlink:type="locator"/>

<link:label xlink:label="ora_PlumstrikerLoanAgreementMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Plumstriker Loan Agreement [Member] </link:label>

<link:label xlink:label="ora_PlumstrikerLoanAgreementMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents information pertaining to the Plumstriker loan agreement, a loan agreement with a U.S. financing division of a leading global industrial company for the financing of two 20 MW battery energy storage projects located in New Jersey. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_PlumstrikerLoanAgreementMember" xlink:to="ora_PlumstrikerLoanAgreementMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_LoanAgreementWithSocieteGeneralMember" xlink:label="ora_LoanAgreementWithSocieteGeneralMember" xlink:type="locator"/>

<link:label xlink:label="ora_LoanAgreementWithSocieteGeneralMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Loan Agreement with Société Général [Member] </link:label>

<link:label xlink:label="ora_LoanAgreementWithSocieteGeneralMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents information pertaining to a loan agreement with Société Général. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_LoanAgreementWithSocieteGeneralMember" xlink:to="ora_LoanAgreementWithSocieteGeneralMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_DebtInstrumentEqualQuarterlyPrincipalInstallmentsPercentageOfLoan" xlink:label="ora_DebtInstrumentEqualQuarterlyPrincipalInstallmentsPercentageOfLoan" xlink:type="locator"/>

<link:label xlink:label="ora_DebtInstrumentEqualQuarterlyPrincipalInstallmentsPercentageOfLoan-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_DebtInstrumentEqualQuarterlyPrincipalInstallmentsPercentageOfLoan </link:label>

<link:label xlink:label="ora_DebtInstrumentEqualQuarterlyPrincipalInstallmentsPercentageOfLoan-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Debt Instrument, Equal Quarterly Principal Installments, Percentage of Loan </link:label>

<link:label xlink:label="ora_DebtInstrumentEqualQuarterlyPrincipalInstallmentsPercentageOfLoan-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the percentage of the loan paid by each equal quarterly principal installment of the loan. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_DebtInstrumentEqualQuarterlyPrincipalInstallmentsPercentageOfLoan" xlink:to="ora_DebtInstrumentEqualQuarterlyPrincipalInstallmentsPercentageOfLoan-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_AccountsReceivablePastDueAverageNumberOfDaysOverdue" xlink:label="ora_AccountsReceivablePastDueAverageNumberOfDaysOverdue" xlink:type="locator"/>

<link:label xlink:label="ora_AccountsReceivablePastDueAverageNumberOfDaysOverdue-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_AccountsReceivablePastDueAverageNumberOfDaysOverdue </link:label>

<link:label xlink:label="ora_AccountsReceivablePastDueAverageNumberOfDaysOverdue-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accounts Receivable, Past Due, Average Number of Days Overdue </link:label>

<link:label xlink:label="ora_AccountsReceivablePastDueAverageNumberOfDaysOverdue-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the average number of days by which past due accounts receivable are overdue. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_AccountsReceivablePastDueAverageNumberOfDaysOverdue" xlink:to="ora_AccountsReceivablePastDueAverageNumberOfDaysOverdue-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_LoanAgreementWithBpifranceMember" xlink:label="ora_LoanAgreementWithBpifranceMember" xlink:type="locator"/>

<link:label xlink:label="ora_LoanAgreementWithBpifranceMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Loan Agreement with Bpifrance [Member] </link:label>

<link:label xlink:label="ora_LoanAgreementWithBpifranceMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents information pertaining to a loan agreement with Banque Publique d'Investissement ("Bpifrance"). </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_LoanAgreementWithBpifranceMember" xlink:to="ora_LoanAgreementWithBpifranceMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_IjenGeothermalProjectCompanyMember" xlink:label="ora_IjenGeothermalProjectCompanyMember" xlink:type="locator"/>

<link:label xlink:label="ora_IjenGeothermalProjectCompanyMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Ijen Geothermal Project Company [Member] </link:label>

<link:label xlink:label="ora_IjenGeothermalProjectCompanyMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Related to Ijen Geothermal Project Company. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_IjenGeothermalProjectCompanyMember" xlink:to="ora_IjenGeothermalProjectCompanyMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProvisionForDoubtfulAccounts" xlink:label="us-gaap_ProvisionForDoubtfulAccounts" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ProvisionForDoubtfulAccounts-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Change in the provision for expected credit losses for the period </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProvisionForDoubtfulAccounts" xlink:to="us-gaap_ProvisionForDoubtfulAccounts-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_SubsidiaryOfMedcoPowerMember" xlink:label="ora_SubsidiaryOfMedcoPowerMember" xlink:type="locator"/>

<link:label xlink:label="ora_SubsidiaryOfMedcoPowerMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Subsidiary of Medco Power [Member] </link:label>

<link:label xlink:label="ora_SubsidiaryOfMedcoPowerMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Related to a subsidiary of Medco Power. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_SubsidiaryOfMedcoPowerMember" xlink:to="ora_SubsidiaryOfMedcoPowerMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SellingAndMarketingExpense" xlink:label="us-gaap_SellingAndMarketingExpense" xlink:type="locator"/>

<link:label xlink:label="us-gaap_SellingAndMarketingExpense-label" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Selling and marketing expenses </link:label>

<link:label xlink:label="us-gaap_SellingAndMarketingExpense-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Selling and marketing expenses </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SellingAndMarketingExpense" xlink:to="us-gaap_SellingAndMarketingExpense-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_InventoryRawMaterialsAndSuppliesNetOfReserves" xlink:label="us-gaap_InventoryRawMaterialsAndSuppliesNetOfReserves" xlink:type="locator"/>

<link:label xlink:label="us-gaap_InventoryRawMaterialsAndSuppliesNetOfReserves-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Raw materials and purchased parts for assembly </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InventoryRawMaterialsAndSuppliesNetOfReserves" xlink:to="us-gaap_InventoryRawMaterialsAndSuppliesNetOfReserves-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_InsuranceRecoveries" xlink:label="us-gaap_InsuranceRecoveries" xlink:type="locator"/>

<link:label xlink:label="us-gaap_InsuranceRecoveries-label" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Business interruption insurance income </link:label>

<link:label xlink:label="us-gaap_InsuranceRecoveries-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_InsuranceRecoveries </link:label>

<link:label xlink:label="us-gaap_InsuranceRecoveries-label" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Business interruption insurance income </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InsuranceRecoveries" xlink:to="us-gaap_InsuranceRecoveries-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_InventoryFinishedGoodsAndWorkInProcessNetOfReserves" xlink:label="us-gaap_InventoryFinishedGoodsAndWorkInProcessNetOfReserves" xlink:type="locator"/>

<link:label xlink:label="us-gaap_InventoryFinishedGoodsAndWorkInProcessNetOfReserves-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Self-manufactured assembly parts and finished products </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InventoryFinishedGoodsAndWorkInProcessNetOfReserves" xlink:to="us-gaap_InventoryFinishedGoodsAndWorkInProcessNetOfReserves-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ResearchAndDevelopmentExpense" xlink:label="us-gaap_ResearchAndDevelopmentExpense" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ResearchAndDevelopmentExpense-label" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Research and development expenses </link:label>

<link:label xlink:label="us-gaap_ResearchAndDevelopmentExpense-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Research and development expenses </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ResearchAndDevelopmentExpense" xlink:to="us-gaap_ResearchAndDevelopmentExpense-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_InterestExpenseOther" xlink:label="us-gaap_InterestExpenseOther" xlink:type="locator"/>

<link:label xlink:label="us-gaap_InterestExpenseOther-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_InterestExpenseOther </link:label>

<link:label xlink:label="us-gaap_InterestExpenseOther-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Interest expense </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestExpenseOther" xlink:to="us-gaap_InterestExpenseOther-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock" xlink:label="us-gaap_ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Derivative Instruments, Gain (Loss) [Table Text Block] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock" xlink:to="us-gaap_ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_InterestExpense" xlink:label="us-gaap_InterestExpense" xlink:type="locator"/>

<link:label xlink:label="us-gaap_InterestExpense-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_InterestExpense </link:label>

<link:label xlink:label="us-gaap_InterestExpense-label" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Interest expense, net </link:label>

<link:label xlink:label="us-gaap_InterestExpense-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Interest Expense, Total </link:label>

<link:label xlink:label="us-gaap_InterestExpense-label" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Interest expense, net </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestExpense" xlink:to="us-gaap_InterestExpense-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DepositContractsPolicy" xlink:label="us-gaap_DepositContractsPolicy" xlink:type="locator"/>

<link:label xlink:label="us-gaap_DepositContractsPolicy-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Deposit Contracts, Policy [Policy Text Block] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DepositContractsPolicy" xlink:to="us-gaap_DepositContractsPolicy-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AmortizationOfFinancingCosts" xlink:label="us-gaap_AmortizationOfFinancingCosts" xlink:type="locator"/>

<link:label xlink:label="us-gaap_AmortizationOfFinancingCosts-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_AmortizationOfFinancingCosts </link:label>

<link:label xlink:label="us-gaap_AmortizationOfFinancingCosts-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Amortization of Debt Issuance Costs </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AmortizationOfFinancingCosts" xlink:to="us-gaap_AmortizationOfFinancingCosts-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DisclosureTextBlockAbstract" xlink:label="us-gaap_DisclosureTextBlockAbstract" xlink:type="locator"/>

<link:label xlink:label="us-gaap_DisclosureTextBlockAbstract-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_DisclosureTextBlockAbstract </link:label>

<link:label xlink:label="us-gaap_DisclosureTextBlockAbstract-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Notes to Financial Statements </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DisclosureTextBlockAbstract" xlink:to="us-gaap_DisclosureTextBlockAbstract-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_InventoryDisclosureTextBlock" xlink:label="us-gaap_InventoryDisclosureTextBlock" xlink:type="locator"/>

<link:label xlink:label="us-gaap_InventoryDisclosureTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Inventory Disclosure [Text Block] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InventoryDisclosureTextBlock" xlink:to="us-gaap_InventoryDisclosureTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SubsequentEventMember" xlink:label="us-gaap_SubsequentEventMember" xlink:type="locator"/>

<link:label xlink:label="us-gaap_SubsequentEventMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Subsequent Event [Member] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SubsequentEventMember" xlink:to="us-gaap_SubsequentEventMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfInventoryCurrentTableTextBlock" xlink:label="us-gaap_ScheduleOfInventoryCurrentTableTextBlock" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ScheduleOfInventoryCurrentTableTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Inventory, Current [Table Text Block] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfInventoryCurrentTableTextBlock" xlink:to="us-gaap_ScheduleOfInventoryCurrentTableTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SubsequentEventTypeAxis" xlink:label="us-gaap_SubsequentEventTypeAxis" xlink:type="locator"/>

<link:label xlink:label="us-gaap_SubsequentEventTypeAxis-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Subsequent Event Type [Axis] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SubsequentEventTypeAxis" xlink:to="us-gaap_SubsequentEventTypeAxis-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SubsequentEventTypeDomain" xlink:label="us-gaap_SubsequentEventTypeDomain" xlink:type="locator"/>

<link:label xlink:label="us-gaap_SubsequentEventTypeDomain-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Subsequent Event Type [Domain] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SubsequentEventTypeDomain" xlink:to="us-gaap_SubsequentEventTypeDomain-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock" xlink:label="us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock" xlink:type="locator"/>

<link:label xlink:label="us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Retirement Benefits [Text Block] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock" xlink:to="us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SubsequentEventsTextBlock" xlink:label="us-gaap_SubsequentEventsTextBlock" xlink:type="locator"/>

<link:label xlink:label="us-gaap_SubsequentEventsTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Subsequent Events [Text Block] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SubsequentEventsTextBlock" xlink:to="us-gaap_SubsequentEventsTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ExploratoryDrillingCostsCapitalizationAndImpairmentPolicy" xlink:label="us-gaap_ExploratoryDrillingCostsCapitalizationAndImpairmentPolicy" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ExploratoryDrillingCostsCapitalizationAndImpairmentPolicy-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Exploratory Drilling Costs Capitalization and Impairment, Policy [Policy Text Block] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ExploratoryDrillingCostsCapitalizationAndImpairmentPolicy" xlink:to="us-gaap_ExploratoryDrillingCostsCapitalizationAndImpairmentPolicy-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_PlacedInServiceAfterDecember312023AndBeforeJanuary12025Member" xlink:label="ora_PlacedInServiceAfterDecember312023AndBeforeJanuary12025Member" xlink:type="locator"/>

<link:label xlink:label="ora_PlacedInServiceAfterDecember312023AndBeforeJanuary12025Member-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Placed in Service After December 31, 2023 and Before January 1, 2025 [Member] </link:label>

<link:label xlink:label="ora_PlacedInServiceAfterDecember312023AndBeforeJanuary12025Member-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Property that has been placed into service after December 31, 2023 and before January 1, 2025. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_PlacedInServiceAfterDecember312023AndBeforeJanuary12025Member" xlink:to="ora_PlacedInServiceAfterDecember312023AndBeforeJanuary12025Member-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive" xlink:type="locator"/>

<link:label xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive </link:label>

<link:label xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Thereafter </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive" xlink:to="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_PlacedInServiceAfterDecember312024AndBeforeJanuary12026Member" xlink:label="ora_PlacedInServiceAfterDecember312024AndBeforeJanuary12026Member" xlink:type="locator"/>

<link:label xlink:label="ora_PlacedInServiceAfterDecember312024AndBeforeJanuary12026Member-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Placed in Service After December 31, 2024 and Before January 1, 2026 [Member] </link:label>

<link:label xlink:label="ora_PlacedInServiceAfterDecember312024AndBeforeJanuary12026Member-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Property that has been placed into service after December 31, 2024 and before January 1, 2026. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_PlacedInServiceAfterDecember312024AndBeforeJanuary12026Member" xlink:to="ora_PlacedInServiceAfterDecember312024AndBeforeJanuary12026Member-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_OtherComprehensiveIncomeLossOtherChangesNetOfTax" xlink:label="ora_OtherComprehensiveIncomeLossOtherChangesNetOfTax" xlink:type="locator"/>

<link:label xlink:label="ora_OtherComprehensiveIncomeLossOtherChangesNetOfTax-label" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Other changes in comprehensive income </link:label>

<link:label xlink:label="ora_OtherComprehensiveIncomeLossOtherChangesNetOfTax-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other comprehensive income </link:label>

<link:label xlink:label="ora_OtherComprehensiveIncomeLossOtherChangesNetOfTax-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Amount after tax and reclassification adjustments of other changes to other comprehensive income (loss). </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_OtherComprehensiveIncomeLossOtherChangesNetOfTax" xlink:to="ora_OtherComprehensiveIncomeLossOtherChangesNetOfTax-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_PlacedInServiceAfterDecember312022AndBeforeJanuary12024Member" xlink:label="ora_PlacedInServiceAfterDecember312022AndBeforeJanuary12024Member" xlink:type="locator"/>

<link:label xlink:label="ora_PlacedInServiceAfterDecember312022AndBeforeJanuary12024Member-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Placed in Service After December 31, 2022 and Before January 1, 2024 [Member] </link:label>

<link:label xlink:label="ora_PlacedInServiceAfterDecember312022AndBeforeJanuary12024Member-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Property that has been placed into service after December 31, 2022 and before January 1, 2024. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_PlacedInServiceAfterDecember312022AndBeforeJanuary12024Member" xlink:to="ora_PlacedInServiceAfterDecember312022AndBeforeJanuary12024Member-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_UnderwritingAgreementMember" xlink:label="ora_UnderwritingAgreementMember" xlink:type="locator"/>

<link:label xlink:label="ora_UnderwritingAgreementMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Underwriting Agreement [Member] </link:label>

<link:label xlink:label="ora_UnderwritingAgreementMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the underwriting agreement. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_UnderwritingAgreementMember" xlink:to="ora_UnderwritingAgreementMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo" xlink:type="locator"/>

<link:label xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo </link:label>

<link:label xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2022 </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo" xlink:to="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_UnderwritersMember" xlink:label="ora_UnderwritersMember" xlink:type="locator"/>

<link:label xlink:label="ora_UnderwritersMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Underwriters [Member] </link:label>

<link:label xlink:label="ora_UnderwritersMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the underwriters. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_UnderwritersMember" xlink:to="ora_UnderwritersMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree" xlink:type="locator"/>

<link:label xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree </link:label>

<link:label xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2023 </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree" xlink:to="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_PlacedInServiceAfterDecember312025AndBeforeJanuary12027Member" xlink:label="ora_PlacedInServiceAfterDecember312025AndBeforeJanuary12027Member" xlink:type="locator"/>

<link:label xlink:label="ora_PlacedInServiceAfterDecember312025AndBeforeJanuary12027Member-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Placed in Service After December 31, 2025 and Before January 1, 2027 [Member] </link:label>

<link:label xlink:label="ora_PlacedInServiceAfterDecember312025AndBeforeJanuary12027Member-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Property that has been placed into service after December 31, 2025 and before January 1, 2027. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_PlacedInServiceAfterDecember312025AndBeforeJanuary12027Member" xlink:to="ora_PlacedInServiceAfterDecember312025AndBeforeJanuary12027Member-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour" xlink:type="locator"/>

<link:label xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour </link:label>

<link:label xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2024 </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour" xlink:to="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive" xlink:type="locator"/>

<link:label xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive </link:label>

<link:label xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2025 </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive" xlink:to="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock" xlink:label="us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock" xlink:to="us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_StandardProductWarrantyTerm" xlink:label="ora_StandardProductWarrantyTerm" xlink:type="locator"/>

<link:label xlink:label="ora_StandardProductWarrantyTerm-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_StandardProductWarrantyTerm </link:label>

<link:label xlink:label="ora_StandardProductWarrantyTerm-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Standard Product Warranty, Term (Year) </link:label>

<link:label xlink:label="ora_StandardProductWarrantyTerm-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The period for the standard product warranty. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_StandardProductWarrantyTerm" xlink:to="ora_StandardProductWarrantyTerm-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_PropertyPlantAndEquipmentIncludingConstructionInProgressNet" xlink:label="ora_PropertyPlantAndEquipmentIncludingConstructionInProgressNet" xlink:type="locator"/>

<link:label xlink:label="ora_PropertyPlantAndEquipmentIncludingConstructionInProgressNet-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_PropertyPlantAndEquipmentIncludingConstructionInProgressNet </link:label>

<link:label xlink:label="ora_PropertyPlantAndEquipmentIncludingConstructionInProgressNet-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Property, Plant and Equipment Including Construction In Progress, Net </link:label>

<link:label xlink:label="ora_PropertyPlantAndEquipmentIncludingConstructionInProgressNet-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Amount after accumulated depreciation, depletion and amortization of physical assets, including construction-in-progress, used in the normal conduct of business to produce goods and services and not intended for resale. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_PropertyPlantAndEquipmentIncludingConstructionInProgressNet" xlink:to="ora_PropertyPlantAndEquipmentIncludingConstructionInProgressNet-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_PropertyPlantAndEquipmentCashGrantNet" xlink:label="ora_PropertyPlantAndEquipmentCashGrantNet" xlink:type="locator"/>

<link:label xlink:label="ora_PropertyPlantAndEquipmentCashGrantNet-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_PropertyPlantAndEquipmentCashGrantNet </link:label>

<link:label xlink:label="ora_PropertyPlantAndEquipmentCashGrantNet-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Property, Plant and Equipment, Cash Grant, Net </link:label>

<link:label xlink:label="ora_PropertyPlantAndEquipmentCashGrantNet-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Amount after accumulated depreciation, depletion and amortization of physical assets, including cash grants, used in the normal conduct of business to produce goods and services and not intended for resale. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_PropertyPlantAndEquipmentCashGrantNet" xlink:to="ora_PropertyPlantAndEquipmentCashGrantNet-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths" xlink:type="locator"/>

<link:label xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths </link:label>

<link:label xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2021 </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths" xlink:to="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LessorLeasesPolicyTextBlock" xlink:label="us-gaap_LessorLeasesPolicyTextBlock" xlink:type="locator"/>

<link:label xlink:label="us-gaap_LessorLeasesPolicyTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Lessor, Leases [Policy Text Block] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LessorLeasesPolicyTextBlock" xlink:to="us-gaap_LessorLeasesPolicyTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DerivativeAssetsNoncurrent" xlink:label="us-gaap_DerivativeAssetsNoncurrent" xlink:type="locator"/>

<link:label xlink:label="us-gaap_DerivativeAssetsNoncurrent-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Derivative Asset, Noncurrent </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeAssetsNoncurrent" xlink:to="us-gaap_DerivativeAssetsNoncurrent-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_KenyaPowerAndLightingCoLimitedMember" xlink:label="ora_KenyaPowerAndLightingCoLimitedMember" xlink:type="locator"/>

<link:label xlink:label="ora_KenyaPowerAndLightingCoLimitedMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Kenya Power and Lighting Co Limited [Member] </link:label>

<link:label xlink:label="ora_KenyaPowerAndLightingCoLimitedMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the entity Kenya Power and Lighting Co. Limited, who purchases electricity produced by the power plant. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_KenyaPowerAndLightingCoLimitedMember" xlink:to="ora_KenyaPowerAndLightingCoLimitedMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_InstitutoNacionalDeElectrificacionIndeMember" xlink:label="ora_InstitutoNacionalDeElectrificacionIndeMember" xlink:type="locator"/>

<link:label xlink:label="ora_InstitutoNacionalDeElectrificacionIndeMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Instituto Nacional de Electrificacion (INDE) [Member] </link:label>

<link:label xlink:label="ora_InstitutoNacionalDeElectrificacionIndeMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The Guatemalan power utility in Guatemala. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_InstitutoNacionalDeElectrificacionIndeMember" xlink:to="ora_InstitutoNacionalDeElectrificacionIndeMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EquityBasedArrangementsIndividualContractsTypeOfDeferredCompensationDomain" xlink:label="us-gaap_EquityBasedArrangementsIndividualContractsTypeOfDeferredCompensationDomain" xlink:type="locator"/>

<link:label xlink:label="us-gaap_EquityBasedArrangementsIndividualContractsTypeOfDeferredCompensationDomain-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Equity-Based Arrangements, Individual Contracts, Type of Deferred Compensation [Domain] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EquityBasedArrangementsIndividualContractsTypeOfDeferredCompensationDomain" xlink:to="us-gaap_EquityBasedArrangementsIndividualContractsTypeOfDeferredCompensationDomain-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock" xlink:label="us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Foreign Currency Transactions and Translations Policy [Policy Text Block] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock" xlink:to="us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_DepositsAndOtherAndAccountsPayableAndAccruedExpensesMember" xlink:label="ora_DepositsAndOtherAndAccountsPayableAndAccruedExpensesMember" xlink:type="locator"/>

<link:label xlink:label="ora_DepositsAndOtherAndAccountsPayableAndAccruedExpensesMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Deposits and Other and Accounts Payable and Accrued Expenses [Member] </link:label>

<link:label xlink:label="ora_DepositsAndOtherAndAccountsPayableAndAccruedExpensesMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents deposits and other and accounts payable and accrued expenses. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_DepositsAndOtherAndAccountsPayableAndAccruedExpensesMember" xlink:to="ora_DepositsAndOtherAndAccountsPayableAndAccruedExpensesMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherAssetsNoncurrent" xlink:label="us-gaap_OtherAssetsNoncurrent" xlink:type="locator"/>

<link:label xlink:label="us-gaap_OtherAssetsNoncurrent-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other long-term assets </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherAssetsNoncurrent" xlink:to="us-gaap_OtherAssetsNoncurrent-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetUsefulLife" xlink:label="us-gaap_FiniteLivedIntangibleAssetUsefulLife" xlink:type="locator"/>

<link:label xlink:label="us-gaap_FiniteLivedIntangibleAssetUsefulLife-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_FiniteLivedIntangibleAssetUsefulLife </link:label>

<link:label xlink:label="us-gaap_FiniteLivedIntangibleAssetUsefulLife-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Finite-Lived Intangible Asset, Useful Life (Year) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetUsefulLife" xlink:to="us-gaap_FiniteLivedIntangibleAssetUsefulLife-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredCompensationArrangementWithIndividualShareBasedPaymentsByTypeOfDeferredCompensationAxis" xlink:label="us-gaap_DeferredCompensationArrangementWithIndividualShareBasedPaymentsByTypeOfDeferredCompensationAxis" xlink:type="locator"/>

<link:label xlink:label="us-gaap_DeferredCompensationArrangementWithIndividualShareBasedPaymentsByTypeOfDeferredCompensationAxis-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Equity-Based Arrangements, Individual Contracts, Type of Deferred Compensation [Axis] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredCompensationArrangementWithIndividualShareBasedPaymentsByTypeOfDeferredCompensationAxis" xlink:to="us-gaap_DeferredCompensationArrangementWithIndividualShareBasedPaymentsByTypeOfDeferredCompensationAxis-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EarningsPerSharePolicyTextBlock" xlink:label="us-gaap_EarningsPerSharePolicyTextBlock" xlink:type="locator"/>

<link:label xlink:label="us-gaap_EarningsPerSharePolicyTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Earnings Per Share, Policy [Policy Text Block] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EarningsPerSharePolicyTextBlock" xlink:to="us-gaap_EarningsPerSharePolicyTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_Revenues" xlink:label="us-gaap_Revenues" xlink:type="locator"/>

<link:label xlink:label="us-gaap_Revenues-label" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Revenues </link:label>

<link:label xlink:label="us-gaap_Revenues-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_Revenues </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Revenues" xlink:to="us-gaap_Revenues-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingExpensesAbstract" xlink:label="us-gaap_OperatingExpensesAbstract" xlink:type="locator"/>

<link:label xlink:label="us-gaap_OperatingExpensesAbstract-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating expenses: </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingExpensesAbstract" xlink:to="us-gaap_OperatingExpensesAbstract-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ComprehensiveIncomePolicyPolicyTextBlock" xlink:label="us-gaap_ComprehensiveIncomePolicyPolicyTextBlock" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ComprehensiveIncomePolicyPolicyTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Comprehensive Income, Policy [Policy Text Block] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ComprehensiveIncomePolicyPolicyTextBlock" xlink:to="us-gaap_ComprehensiveIncomePolicyPolicyTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeTaxPolicyTextBlock" xlink:label="us-gaap_IncomeTaxPolicyTextBlock" xlink:type="locator"/>

<link:label xlink:label="us-gaap_IncomeTaxPolicyTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income Tax, Policy [Policy Text Block] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxPolicyTextBlock" xlink:to="us-gaap_IncomeTaxPolicyTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_SeriesCSeniorNotesMember" xlink:label="ora_SeriesCSeniorNotesMember" xlink:type="locator"/>

<link:label xlink:label="ora_SeriesCSeniorNotesMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Series C Senior Notes [Member] </link:label>

<link:label xlink:label="ora_SeriesCSeniorNotesMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents series C senior notes. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_SeriesCSeniorNotesMember" xlink:to="ora_SeriesCSeniorNotesMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_NonrecourseDebtMember" xlink:label="ora_NonrecourseDebtMember" xlink:type="locator"/>

<link:label xlink:label="ora_NonrecourseDebtMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Nonrecourse Debt [Member] </link:label>

<link:label xlink:label="ora_NonrecourseDebtMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents nonrecourse debt. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_NonrecourseDebtMember" xlink:to="ora_NonrecourseDebtMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ResearchAndDevelopmentExpensePolicy" xlink:label="us-gaap_ResearchAndDevelopmentExpensePolicy" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ResearchAndDevelopmentExpensePolicy-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Research and Development Expense, Policy [Policy Text Block] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ResearchAndDevelopmentExpensePolicy" xlink:to="us-gaap_ResearchAndDevelopmentExpensePolicy-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_December2020SARsRSUsPSUsMember" xlink:label="ora_December2020SARsRSUsPSUsMember" xlink:type="locator"/>

<link:label xlink:label="ora_December2020SARsRSUsPSUsMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> December 2020 SARs, RSUs and PSUs [Member] </link:label>

<link:label xlink:label="ora_December2020SARsRSUsPSUsMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents stock appreciation rights, restricted stock units and performance stock units granted in December 2020. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_December2020SARsRSUsPSUsMember" xlink:to="ora_December2020SARsRSUsPSUsMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IntangibleAssetsDisclosureTextBlock" xlink:label="us-gaap_IntangibleAssetsDisclosureTextBlock" xlink:type="locator"/>

<link:label xlink:label="us-gaap_IntangibleAssetsDisclosureTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Intangible Assets Disclosure [Text Block] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IntangibleAssetsDisclosureTextBlock" xlink:to="us-gaap_IntangibleAssetsDisclosureTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_November2020SARsAndRSUsMember" xlink:label="ora_November2020SARsAndRSUsMember" xlink:type="locator"/>

<link:label xlink:label="ora_November2020SARsAndRSUsMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> November 2020 SARs and RSUs [Member] </link:label>

<link:label xlink:label="ora_November2020SARsAndRSUsMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represent stock appreciation rights and restricted stock units granted in November 2020. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_November2020SARsAndRSUsMember" xlink:to="ora_November2020SARsAndRSUsMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SharesIssuedPricePerShare" xlink:label="us-gaap_SharesIssuedPricePerShare" xlink:type="locator"/>

<link:label xlink:label="us-gaap_SharesIssuedPricePerShare-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_SharesIssuedPricePerShare </link:label>

<link:label xlink:label="us-gaap_SharesIssuedPricePerShare-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Shares Issued, Price Per Share (in dollars per share) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharesIssuedPricePerShare" xlink:to="us-gaap_SharesIssuedPricePerShare-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AssetsCurrent" xlink:label="us-gaap_AssetsCurrent" xlink:type="locator"/>

<link:label xlink:label="us-gaap_AssetsCurrent-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_AssetsCurrent </link:label>

<link:label xlink:label="us-gaap_AssetsCurrent-label" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total current assets </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetsCurrent" xlink:to="us-gaap_AssetsCurrent-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy" xlink:label="us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Payment Arrangement [Policy Text Block] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy" xlink:to="us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_InsuredEventGainLoss" xlink:label="us-gaap_InsuredEventGainLoss" xlink:type="locator"/>

<link:label xlink:label="us-gaap_InsuredEventGainLoss-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_InsuredEventGainLoss </link:label>

<link:label xlink:label="us-gaap_InsuredEventGainLoss-label" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Gain from insurance recoveries </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InsuredEventGainLoss" xlink:to="us-gaap_InsuredEventGainLoss-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_SchedulingAndTransmissionCurrent" xlink:label="ora_SchedulingAndTransmissionCurrent" xlink:type="locator"/>

<link:label xlink:label="ora_SchedulingAndTransmissionCurrent-label" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Scheduling and transmission </link:label>

<link:label xlink:label="ora_SchedulingAndTransmissionCurrent-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_SchedulingAndTransmissionCurrent </link:label>

<link:label xlink:label="ora_SchedulingAndTransmissionCurrent-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Carrying value as of the balance sheet date of scheduling and transmission on all forms of debt, including trade payables, that has been incurred and is unpaid. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_SchedulingAndTransmissionCurrent" xlink:to="ora_SchedulingAndTransmissionCurrent-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StockholdersEquityPolicyTextBlock" xlink:label="us-gaap_StockholdersEquityPolicyTextBlock" xlink:type="locator"/>

<link:label xlink:label="us-gaap_StockholdersEquityPolicyTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Stockholders' Equity, Policy [Policy Text Block] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockholdersEquityPolicyTextBlock" xlink:to="us-gaap_StockholdersEquityPolicyTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount" xlink:label="us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount </link:label>

<link:label xlink:label="us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount" xlink:to="us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StandardProductWarrantyPolicy" xlink:label="us-gaap_StandardProductWarrantyPolicy" xlink:type="locator"/>

<link:label xlink:label="us-gaap_StandardProductWarrantyPolicy-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Standard Product Warranty, Policy [Policy Text Block] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StandardProductWarrantyPolicy" xlink:to="us-gaap_StandardProductWarrantyPolicy-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DerivativeAssetsCurrent" xlink:label="us-gaap_DerivativeAssetsCurrent" xlink:type="locator"/>

<link:label xlink:label="us-gaap_DerivativeAssetsCurrent-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Derivative Asset, Current </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeAssetsCurrent" xlink:to="us-gaap_DerivativeAssetsCurrent-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredTaxAssetsValuationAllowance" xlink:label="us-gaap_DeferredTaxAssetsValuationAllowance" xlink:type="locator"/>

<link:label xlink:label="us-gaap_DeferredTaxAssetsValuationAllowance-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_DeferredTaxAssetsValuationAllowance </link:label>

<link:label xlink:label="us-gaap_DeferredTaxAssetsValuationAllowance-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Deferred Tax Assets, Valuation Allowance, Total </link:label>

<link:label xlink:label="us-gaap_DeferredTaxAssetsValuationAllowance-label" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Less - valuation allowance </link:label>

<link:label xlink:label="us-gaap_DeferredTaxAssetsValuationAllowance-label" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US"> Balance at beginning of the year </link:label>

<link:label xlink:label="us-gaap_DeferredTaxAssetsValuationAllowance-label" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US"> Balance at end of the year </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxAssetsValuationAllowance" xlink:to="us-gaap_DeferredTaxAssetsValuationAllowance-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SummaryOfValuationAllowanceTextBlock" xlink:label="us-gaap_SummaryOfValuationAllowanceTextBlock" xlink:type="locator"/>

<link:label xlink:label="us-gaap_SummaryOfValuationAllowanceTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Summary of Valuation Allowance [Table Text Block] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SummaryOfValuationAllowanceTextBlock" xlink:to="us-gaap_SummaryOfValuationAllowanceTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_UnionBankNAMember" xlink:label="ora_UnionBankNAMember" xlink:type="locator"/>

<link:label xlink:label="ora_UnionBankNAMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Union Bank, N.A. [Member] </link:label>

<link:label xlink:label="ora_UnionBankNAMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The name or description of the debt instrument. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_UnionBankNAMember" xlink:to="ora_UnionBankNAMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherAssetsCurrent" xlink:label="us-gaap_OtherAssetsCurrent" xlink:type="locator"/>

<link:label xlink:label="us-gaap_OtherAssetsCurrent-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other current assets </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherAssetsCurrent" xlink:to="us-gaap_OtherAssetsCurrent-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AssetRetirementObligationsPolicy" xlink:label="us-gaap_AssetRetirementObligationsPolicy" xlink:type="locator"/>

<link:label xlink:label="us-gaap_AssetRetirementObligationsPolicy-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Asset Retirement Obligation [Policy Text Block] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetRetirementObligationsPolicy" xlink:to="us-gaap_AssetRetirementObligationsPolicy-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_ExtensionsOfCreditInTheFormOfLoansAndOrLettersOfCreditMember" xlink:label="ora_ExtensionsOfCreditInTheFormOfLoansAndOrLettersOfCreditMember" xlink:type="locator"/>

<link:label xlink:label="ora_ExtensionsOfCreditInTheFormOfLoansAndOrLettersOfCreditMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Extensions of Credit in The Form of Loans and/or Letters of Credit [Member] </link:label>

<link:label xlink:label="ora_ExtensionsOfCreditInTheFormOfLoansAndOrLettersOfCreditMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents information related to the extensions of credit in the form of loans and/or letters of credit. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_ExtensionsOfCreditInTheFormOfLoansAndOrLettersOfCreditMember" xlink:to="ora_ExtensionsOfCreditInTheFormOfLoansAndOrLettersOfCreditMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredTaxAssetsLiabilitiesNet" xlink:label="us-gaap_DeferredTaxAssetsLiabilitiesNet" xlink:type="locator"/>

<link:label xlink:label="us-gaap_DeferredTaxAssetsLiabilitiesNet-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_DeferredTaxAssetsLiabilitiesNet </link:label>

<link:label xlink:label="us-gaap_DeferredTaxAssetsLiabilitiesNet-label" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total, net </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxAssetsLiabilitiesNet" xlink:to="us-gaap_DeferredTaxAssetsLiabilitiesNet-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IntangibleAssetsFiniteLivedPolicy" xlink:label="us-gaap_IntangibleAssetsFiniteLivedPolicy" xlink:type="locator"/>

<link:label xlink:label="us-gaap_IntangibleAssetsFiniteLivedPolicy-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Intangible Assets, Finite-Lived, Policy [Policy Text Block] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IntangibleAssetsFiniteLivedPolicy" xlink:to="us-gaap_IntangibleAssetsFiniteLivedPolicy-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_CovenantRequirementMinimumMember" xlink:label="ora_CovenantRequirementMinimumMember" xlink:type="locator"/>

<link:label xlink:label="ora_CovenantRequirementMinimumMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Covenant Requirement Minimum [Member] </link:label>

<link:label xlink:label="ora_CovenantRequirementMinimumMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Related to the covenant requirement minimum. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_CovenantRequirementMinimumMember" xlink:to="ora_CovenantRequirementMinimumMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock" xlink:label="us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Impairment or Disposal of Long-Lived Assets, Policy [Policy Text Block] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock" xlink:to="us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NoncurrentAssets" xlink:label="us-gaap_NoncurrentAssets" xlink:type="locator"/>

<link:label xlink:label="us-gaap_NoncurrentAssets-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_NoncurrentAssets </link:label>

<link:label xlink:label="us-gaap_NoncurrentAssets-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Long Lived Assets, Geographic Area </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NoncurrentAssets" xlink:to="us-gaap_NoncurrentAssets-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfRevenueByMajorCustomersByReportingSegmentsTableTextBlock" xlink:label="us-gaap_ScheduleOfRevenueByMajorCustomersByReportingSegmentsTableTextBlock" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ScheduleOfRevenueByMajorCustomersByReportingSegmentsTableTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Revenue by Major Customers by Reporting Segments [Table Text Block] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfRevenueByMajorCustomersByReportingSegmentsTableTextBlock" xlink:to="us-gaap_ScheduleOfRevenueByMajorCustomersByReportingSegmentsTableTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsGoodwillPolicy" xlink:label="us-gaap_GoodwillAndIntangibleAssetsGoodwillPolicy" xlink:type="locator"/>

<link:label xlink:label="us-gaap_GoodwillAndIntangibleAssetsGoodwillPolicy-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Goodwill and Intangible Assets, Goodwill, Policy [Policy Text Block] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GoodwillAndIntangibleAssetsGoodwillPolicy" xlink:to="us-gaap_GoodwillAndIntangibleAssetsGoodwillPolicy-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredIncomeTaxLiabilities" xlink:label="us-gaap_DeferredIncomeTaxLiabilities" xlink:type="locator"/>

<link:label xlink:label="us-gaap_DeferredIncomeTaxLiabilities-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_DeferredIncomeTaxLiabilities </link:label>

<link:label xlink:label="us-gaap_DeferredIncomeTaxLiabilities-label" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Non-current deferred tax liabilities </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredIncomeTaxLiabilities" xlink:to="us-gaap_DeferredIncomeTaxLiabilities-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PropertyPlantAndEquipmentImpairment" xlink:label="us-gaap_PropertyPlantAndEquipmentImpairment" xlink:type="locator"/>

<link:label xlink:label="us-gaap_PropertyPlantAndEquipmentImpairment-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Property, Plant and Equipment, Impairment [Policy Text Block] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentImpairment" xlink:to="us-gaap_PropertyPlantAndEquipmentImpairment-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsByGeographicalAreasTableTextBlock" xlink:label="us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsByGeographicalAreasTableTextBlock" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsByGeographicalAreasTableTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsByGeographicalAreasTableTextBlock" xlink:to="us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsByGeographicalAreasTableTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_InventoryNet" xlink:label="us-gaap_InventoryNet" xlink:type="locator"/>

<link:label xlink:label="us-gaap_InventoryNet-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Inventories </link:label>

<link:label xlink:label="us-gaap_InventoryNet-label" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InventoryNet" xlink:to="us-gaap_InventoryNet-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax" xlink:label="us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax" xlink:type="locator"/>

<link:label xlink:label="us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax-label" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Revenue </link:label>

<link:label xlink:label="us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Revenues </link:label>

<link:label xlink:label="us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Revenue from Contract with Customer, Including Assessed Tax </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax" xlink:to="us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredTaxAssetsInvestments" xlink:label="us-gaap_DeferredTaxAssetsInvestments" xlink:type="locator"/>

<link:label xlink:label="us-gaap_DeferredTaxAssetsInvestments-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> State and Investment tax credits </link:label>

<link:label xlink:label="us-gaap_DeferredTaxAssetsInvestments-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Deferred Tax Assets, Investments </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxAssetsInvestments" xlink:to="us-gaap_DeferredTaxAssetsInvestments-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ForeignCurrencyTransactionGainLossBeforeTax" xlink:label="us-gaap_ForeignCurrencyTransactionGainLossBeforeTax" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ForeignCurrencyTransactionGainLossBeforeTax-label" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Derivatives and foreign currency transaction gains (losses) </link:label>

<link:label xlink:label="us-gaap_ForeignCurrencyTransactionGainLossBeforeTax-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Derivatives and foreign currency transaction gains (losses) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ForeignCurrencyTransactionGainLossBeforeTax" xlink:to="us-gaap_ForeignCurrencyTransactionGainLossBeforeTax-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_ZunilPowerPlantInGuatemalaMember" xlink:label="ora_ZunilPowerPlantInGuatemalaMember" xlink:type="locator"/>

<link:label xlink:label="ora_ZunilPowerPlantInGuatemalaMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Zunil Power Plant In Guatemala [Member] </link:label>

<link:label xlink:label="ora_ZunilPowerPlantInGuatemalaMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The power plant located in Guatemala. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_ZunilPowerPlantInGuatemalaMember" xlink:to="ora_ZunilPowerPlantInGuatemalaMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredTaxAssetsGoodwillAndIntangibleAssets" xlink:label="us-gaap_DeferredTaxAssetsGoodwillAndIntangibleAssets" xlink:type="locator"/>

<link:label xlink:label="us-gaap_DeferredTaxAssetsGoodwillAndIntangibleAssets-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Intangible drilling costs, asset </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxAssetsGoodwillAndIntangibleAssets" xlink:to="us-gaap_DeferredTaxAssetsGoodwillAndIntangibleAssets-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedTextBlock" xlink:label="us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedTextBlock" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table Text Block] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedTextBlock" xlink:to="us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_CumulativeEffectPeriodOfAdoptionDomain" xlink:label="srt_CumulativeEffectPeriodOfAdoptionDomain" xlink:type="locator"/>

<link:label xlink:label="srt_CumulativeEffectPeriodOfAdoptionDomain-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Cumulative Effect, Period of Adoption [Domain] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_CumulativeEffectPeriodOfAdoptionDomain" xlink:to="srt_CumulativeEffectPeriodOfAdoptionDomain-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_CumulativeEffectPeriodOfAdoptionAxis" xlink:label="srt_CumulativeEffectPeriodOfAdoptionAxis" xlink:type="locator"/>

<link:label xlink:label="srt_CumulativeEffectPeriodOfAdoptionAxis-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Cumulative Effect, Period of Adoption [Axis] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_CumulativeEffectPeriodOfAdoptionAxis" xlink:to="srt_CumulativeEffectPeriodOfAdoptionAxis-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PropertyPlantAndEquipmentUsefulLife" xlink:label="us-gaap_PropertyPlantAndEquipmentUsefulLife" xlink:type="locator"/>

<link:label xlink:label="us-gaap_PropertyPlantAndEquipmentUsefulLife-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Property, plant, and equipment estimated useful lives (Year) </link:label>

<link:label xlink:label="us-gaap_PropertyPlantAndEquipmentUsefulLife-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Property, Plant and Equipment, Useful Life (Year) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentUsefulLife" xlink:to="us-gaap_PropertyPlantAndEquipmentUsefulLife-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_CumulativeEffectPeriodOfAdoptionAdjustmentMember" xlink:label="srt_CumulativeEffectPeriodOfAdoptionAdjustmentMember" xlink:type="locator"/>

<link:label xlink:label="srt_CumulativeEffectPeriodOfAdoptionAdjustmentMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Cumulative Effect, Period of Adoption, Adjustment [Member] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_CumulativeEffectPeriodOfAdoptionAdjustmentMember" xlink:to="srt_CumulativeEffectPeriodOfAdoptionAdjustmentMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_CumulativeEffectPeriodOfAdoptionAdjustedBalanceMember" xlink:label="srt_CumulativeEffectPeriodOfAdoptionAdjustedBalanceMember" xlink:type="locator"/>

<link:label xlink:label="srt_CumulativeEffectPeriodOfAdoptionAdjustedBalanceMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Cumulative Effect, Period of Adoption, Adjusted Balance [Member] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_CumulativeEffectPeriodOfAdoptionAdjustedBalanceMember" xlink:to="srt_CumulativeEffectPeriodOfAdoptionAdjustedBalanceMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ConstructionInProgressMember" xlink:label="us-gaap_ConstructionInProgressMember" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ConstructionInProgressMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Construction in Progress [Member] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ConstructionInProgressMember" xlink:to="us-gaap_ConstructionInProgressMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ReceivablesLongTermContractsOrPrograms" xlink:label="us-gaap_ReceivablesLongTermContractsOrPrograms" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ReceivablesLongTermContractsOrPrograms-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Costs and estimated earnings incurred on uncompleted contracts </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ReceivablesLongTermContractsOrPrograms" xlink:to="us-gaap_ReceivablesLongTermContractsOrPrograms-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ElectricityMember" xlink:label="us-gaap_ElectricityMember" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ElectricityMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Electricity [Member] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ElectricityMember" xlink:to="us-gaap_ElectricityMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock" xlink:label="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Segment Reporting Information, by Segment [Table Text Block] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock" xlink:to="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent" xlink:label="us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent" xlink:type="locator"/>

<link:label xlink:label="us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Trade, allowance for credit losses </link:label>

<link:label xlink:label="us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent-label" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US"> Beginning balance of the allowance for expected credit losses </link:label>

<link:label xlink:label="us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent-label" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US"> Ending balance of the allowance for expected credit losses </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent" xlink:to="us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccountsReceivableNetCurrent" xlink:label="us-gaap_AccountsReceivableNetCurrent" xlink:type="locator"/>

<link:label xlink:label="us-gaap_AccountsReceivableNetCurrent-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Trade less allowance for credit losses of $597 and $0, respectively (primarily related to VIEs) </link:label>

<link:label xlink:label="us-gaap_AccountsReceivableNetCurrent-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accounts Receivable, after Allowance for Credit Loss, Current, Total </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccountsReceivableNetCurrent" xlink:to="us-gaap_AccountsReceivableNetCurrent-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FurnitureAndFixturesMember" xlink:label="us-gaap_FurnitureAndFixturesMember" xlink:type="locator"/>

<link:label xlink:label="us-gaap_FurnitureAndFixturesMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Furniture and Fixtures [Member] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FurnitureAndFixturesMember" xlink:to="us-gaap_FurnitureAndFixturesMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NumberOfReportableSegments" xlink:label="us-gaap_NumberOfReportableSegments" xlink:type="locator"/>

<link:label xlink:label="us-gaap_NumberOfReportableSegments-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_NumberOfReportableSegments </link:label>

<link:label xlink:label="us-gaap_NumberOfReportableSegments-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Number of Reportable Segments </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NumberOfReportableSegments" xlink:to="us-gaap_NumberOfReportableSegments-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ReceivablesNetCurrentAbstract" xlink:label="us-gaap_ReceivablesNetCurrentAbstract" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ReceivablesNetCurrentAbstract-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Receivables: </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ReceivablesNetCurrentAbstract" xlink:to="us-gaap_ReceivablesNetCurrentAbstract-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BuildingMember" xlink:label="us-gaap_BuildingMember" xlink:type="locator"/>

<link:label xlink:label="us-gaap_BuildingMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Building [Member] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BuildingMember" xlink:to="us-gaap_BuildingMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RevenuesAbstract" xlink:label="us-gaap_RevenuesAbstract" xlink:type="locator"/>

<link:label xlink:label="us-gaap_RevenuesAbstract-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Revenues: </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RevenuesAbstract" xlink:to="us-gaap_RevenuesAbstract-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RestrictedCashAndInvestmentsCurrent" xlink:label="us-gaap_RestrictedCashAndInvestmentsCurrent" xlink:type="locator"/>

<link:label xlink:label="us-gaap_RestrictedCashAndInvestmentsCurrent-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Restricted cash and cash equivalents (primarily related to VIEs) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RestrictedCashAndInvestmentsCurrent" xlink:to="us-gaap_RestrictedCashAndInvestmentsCurrent-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LandMember" xlink:label="us-gaap_LandMember" xlink:type="locator"/>

<link:label xlink:label="us-gaap_LandMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Land [Member] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LandMember" xlink:to="us-gaap_LandMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LeaseholdImprovementsMember" xlink:label="us-gaap_LeaseholdImprovementsMember" xlink:type="locator"/>

<link:label xlink:label="us-gaap_LeaseholdImprovementsMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Leasehold Improvements [Member] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LeaseholdImprovementsMember" xlink:to="us-gaap_LeaseholdImprovementsMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsGeneralBusiness" xlink:label="us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsGeneralBusiness" xlink:type="locator"/>

<link:label xlink:label="us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsGeneralBusiness-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Production tax credits </link:label>

<link:label xlink:label="us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsGeneralBusiness-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Deferred Tax Assets, Tax Credit Carryforwards, General Business </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsGeneralBusiness" xlink:to="us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsGeneralBusiness-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherNonoperatingIncomeExpense" xlink:label="us-gaap_OtherNonoperatingIncomeExpense" xlink:type="locator"/>

<link:label xlink:label="us-gaap_OtherNonoperatingIncomeExpense-label" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Other non-operating income (expense), net </link:label>

<link:label xlink:label="us-gaap_OtherNonoperatingIncomeExpense-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other non-operating income (expense), net </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherNonoperatingIncomeExpense" xlink:to="us-gaap_OtherNonoperatingIncomeExpense-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:label="us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:type="locator"/>

<link:label xlink:label="us-gaap_PropertyPlantAndEquipmentByTypeAxis-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long-Lived Tangible Asset [Axis] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:to="us-gaap_PropertyPlantAndEquipmentByTypeAxis-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:label="us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:type="locator"/>

<link:label xlink:label="us-gaap_PropertyPlantAndEquipmentTypeDomain-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long-Lived Tangible Asset [Domain] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:to="us-gaap_PropertyPlantAndEquipmentTypeDomain-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SegmentReportingDisclosureTextBlock" xlink:label="us-gaap_SegmentReportingDisclosureTextBlock" xlink:type="locator"/>

<link:label xlink:label="us-gaap_SegmentReportingDisclosureTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Segment Reporting Disclosure [Text Block] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SegmentReportingDisclosureTextBlock" xlink:to="us-gaap_SegmentReportingDisclosureTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredTaxAssetsOperatingLossCarryforwards" xlink:label="us-gaap_DeferredTaxAssetsOperatingLossCarryforwards" xlink:type="locator"/>

<link:label xlink:label="us-gaap_DeferredTaxAssetsOperatingLossCarryforwards-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Net operating loss carryforward - U.S. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxAssetsOperatingLossCarryforwards" xlink:to="us-gaap_DeferredTaxAssetsOperatingLossCarryforwards-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherNonoperatingIncomeExpenseAbstract" xlink:label="us-gaap_OtherNonoperatingIncomeExpenseAbstract" xlink:type="locator"/>

<link:label xlink:label="us-gaap_OtherNonoperatingIncomeExpenseAbstract-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other income (expense): </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherNonoperatingIncomeExpenseAbstract" xlink:to="us-gaap_OtherNonoperatingIncomeExpenseAbstract-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsForeign" xlink:label="us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsForeign" xlink:type="locator"/>

<link:label xlink:label="us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsForeign-label" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Foreign tax credits </link:label>

<link:label xlink:label="us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsForeign-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsForeign </link:label>

<link:label xlink:label="us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsForeign-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Deferred Tax Assets, Tax Credit Carryforwards, Foreign </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsForeign" xlink:to="us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsForeign-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AssetsCurrentAbstract" xlink:label="us-gaap_AssetsCurrentAbstract" xlink:type="locator"/>

<link:label xlink:label="us-gaap_AssetsCurrentAbstract-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Current assets: </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetsCurrentAbstract" xlink:to="us-gaap_AssetsCurrentAbstract-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations" xlink:type="locator"/>

<link:label xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations </link:label>

<link:label xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations-label" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total cash and cash equivalents and restricted cash and cash equivalents </link:label>

<link:label xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations-label" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US"> Cash and cash equivalents and restricted cash and cash equivalents at beginning of period </link:label>

<link:label xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations-label" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US"> Cash and cash equivalents and restricted cash and cash equivalents at end of period </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations" xlink:to="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_InventoryPolicyTextBlock" xlink:label="us-gaap_InventoryPolicyTextBlock" xlink:type="locator"/>

<link:label xlink:label="us-gaap_InventoryPolicyTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Inventory, Policy [Policy Text Block] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InventoryPolicyTextBlock" xlink:to="us-gaap_InventoryPolicyTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AssetsAbstract" xlink:label="us-gaap_AssetsAbstract" xlink:type="locator"/>

<link:label xlink:label="us-gaap_AssetsAbstract-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Assets: </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetsAbstract" xlink:to="us-gaap_AssetsAbstract-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_InvestmentIncomeInterest" xlink:label="us-gaap_InvestmentIncomeInterest" xlink:type="locator"/>

<link:label xlink:label="us-gaap_InvestmentIncomeInterest-label" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Interest income </link:label>

<link:label xlink:label="us-gaap_InvestmentIncomeInterest-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Interest income </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InvestmentIncomeInterest" xlink:to="us-gaap_InvestmentIncomeInterest-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" xlink:type="locator"/>

<link:label xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect </link:label>

<link:label xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect-label" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Net change in cash and cash equivalents and restricted cash and cash equivalents </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" xlink:to="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredTaxAssetsNetOfValuationAllowanceAbstract" xlink:label="us-gaap_DeferredTaxAssetsNetOfValuationAllowanceAbstract" xlink:type="locator"/>

<link:label xlink:label="us-gaap_DeferredTaxAssetsNetOfValuationAllowanceAbstract-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Deferred tax assets (liabilities): </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxAssetsNetOfValuationAllowanceAbstract" xlink:to="us-gaap_DeferredTaxAssetsNetOfValuationAllowanceAbstract-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:type="locator"/>

<link:label xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_NetCashProvidedByUsedInFinancingActivities </link:label>

<link:label xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities-label" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Net cash provided by (used in) financing activities </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:to="us-gaap_NetCashProvidedByUsedInFinancingActivities-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SubsidiarySaleOfStockAxis" xlink:label="us-gaap_SubsidiarySaleOfStockAxis" xlink:type="locator"/>

<link:label xlink:label="us-gaap_SubsidiarySaleOfStockAxis-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Sale of Stock [Axis] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SubsidiarySaleOfStockAxis" xlink:to="us-gaap_SubsidiarySaleOfStockAxis-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_DirectorMember" xlink:label="srt_DirectorMember" xlink:type="locator"/>

<link:label xlink:label="srt_DirectorMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Director [Member] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_DirectorMember" xlink:to="srt_DirectorMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SaleOfStockNameOfTransactionDomain" xlink:label="us-gaap_SaleOfStockNameOfTransactionDomain" xlink:type="locator"/>

<link:label xlink:label="us-gaap_SaleOfStockNameOfTransactionDomain-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Sale of Stock [Domain] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SaleOfStockNameOfTransactionDomain" xlink:to="us-gaap_SaleOfStockNameOfTransactionDomain-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="us-gaap_OperatingIncomeLoss" xlink:type="locator"/>

<link:label xlink:label="us-gaap_OperatingIncomeLoss-label" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Operating income (loss) </link:label>

<link:label xlink:label="us-gaap_OperatingIncomeLoss-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_OperatingIncomeLoss </link:label>

<link:label xlink:label="us-gaap_OperatingIncomeLoss-label" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Operating income </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingIncomeLoss" xlink:to="us-gaap_OperatingIncomeLoss-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:type="locator"/>

<link:label xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_NetCashProvidedByUsedInOperatingActivities </link:label>

<link:label xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities-label" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Net cash provided by operating activities </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:to="us-gaap_NetCashProvidedByUsedInOperatingActivities-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredTaxLiabilitiesOther" xlink:label="us-gaap_DeferredTaxLiabilitiesOther" xlink:type="locator"/>

<link:label xlink:label="us-gaap_DeferredTaxLiabilitiesOther-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_DeferredTaxLiabilitiesOther </link:label>

<link:label xlink:label="us-gaap_DeferredTaxLiabilitiesOther-label" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Tax monetization transaction </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxLiabilitiesOther" xlink:to="us-gaap_DeferredTaxLiabilitiesOther-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:type="locator"/>

<link:label xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_NetCashProvidedByUsedInInvestingActivities </link:label>

<link:label xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities-label" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Net cash used in investing activities </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:to="us-gaap_NetCashProvidedByUsedInInvestingActivities-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents" xlink:label="us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents" xlink:type="locator"/>

<link:label xlink:label="us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Effect of exchange rate changes </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents" xlink:to="us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssets" xlink:label="us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssets" xlink:type="locator"/>

<link:label xlink:label="us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssets-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssets </link:label>

<link:label xlink:label="us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssets-label" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Intangible drilling costs, liability </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssets" xlink:to="us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssets-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_GrossProfit" xlink:label="us-gaap_GrossProfit" xlink:type="locator"/>

<link:label xlink:label="us-gaap_GrossProfit-label" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Gross profit </link:label>

<link:label xlink:label="us-gaap_GrossProfit-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_GrossProfit </link:label>

<link:label xlink:label="us-gaap_GrossProfit-label" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Gross profit </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GrossProfit" xlink:to="us-gaap_GrossProfit-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CostOfGoodsAndServicesSold" xlink:label="us-gaap_CostOfGoodsAndServicesSold" xlink:type="locator"/>

<link:label xlink:label="us-gaap_CostOfGoodsAndServicesSold-label" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Cost of revenues </link:label>

<link:label xlink:label="us-gaap_CostOfGoodsAndServicesSold-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Cost of revenues </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CostOfGoodsAndServicesSold" xlink:to="us-gaap_CostOfGoodsAndServicesSold-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DerivativesPolicyTextBlock" xlink:label="us-gaap_DerivativesPolicyTextBlock" xlink:type="locator"/>

<link:label xlink:label="us-gaap_DerivativesPolicyTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Derivatives, Policy [Policy Text Block] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativesPolicyTextBlock" xlink:to="us-gaap_DerivativesPolicyTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredTaxLiabilitiesInvestmentInNoncontrolledAffiliates" xlink:label="us-gaap_DeferredTaxLiabilitiesInvestmentInNoncontrolledAffiliates" xlink:type="locator"/>

<link:label xlink:label="us-gaap_DeferredTaxLiabilitiesInvestmentInNoncontrolledAffiliates-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_DeferredTaxLiabilitiesInvestmentInNoncontrolledAffiliates </link:label>

<link:label xlink:label="us-gaap_DeferredTaxLiabilitiesInvestmentInNoncontrolledAffiliates-label" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Basis difference in partnership interest </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxLiabilitiesInvestmentInNoncontrolledAffiliates" xlink:to="us-gaap_DeferredTaxLiabilitiesInvestmentInNoncontrolledAffiliates-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_OtherForeignCountriesMember" xlink:label="ora_OtherForeignCountriesMember" xlink:type="locator"/>

<link:label xlink:label="ora_OtherForeignCountriesMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Foreign Countries [Member] </link:label>

<link:label xlink:label="ora_OtherForeignCountriesMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the foreign countries not specified. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_OtherForeignCountriesMember" xlink:to="ora_OtherForeignCountriesMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ConcentrationRiskCreditRisk" xlink:label="us-gaap_ConcentrationRiskCreditRisk" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ConcentrationRiskCreditRisk-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Concentration Risk, Credit Risk, Policy [Policy Text Block] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ConcentrationRiskCreditRisk" xlink:to="us-gaap_ConcentrationRiskCreditRisk-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment" xlink:label="us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment" xlink:type="locator"/>

<link:label xlink:label="us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment </link:label>

<link:label xlink:label="us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment-label" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Depreciation, deferred tax liability </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment" xlink:to="us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_PercentageOfRevenues" xlink:label="ora_PercentageOfRevenues" xlink:type="locator"/>

<link:label xlink:label="ora_PercentageOfRevenues-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_PercentageOfRevenues </link:label>

<link:label xlink:label="ora_PercentageOfRevenues-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Percentage of revenues </link:label>

<link:label xlink:label="ora_PercentageOfRevenues-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The percentage of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss). </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_PercentageOfRevenues" xlink:to="ora_PercentageOfRevenues-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PaymentsOfDividends" xlink:label="us-gaap_PaymentsOfDividends" xlink:type="locator"/>

<link:label xlink:label="us-gaap_PaymentsOfDividends-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_PaymentsOfDividends </link:label>

<link:label xlink:label="us-gaap_PaymentsOfDividends-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Payments of Dividends, Total </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsOfDividends" xlink:to="us-gaap_PaymentsOfDividends-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PaymentsOfDividendsCommonStock" xlink:label="us-gaap_PaymentsOfDividendsCommonStock" xlink:type="locator"/>

<link:label xlink:label="us-gaap_PaymentsOfDividendsCommonStock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_PaymentsOfDividendsCommonStock </link:label>

<link:label xlink:label="us-gaap_PaymentsOfDividendsCommonStock-label" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Cash dividends paid </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsOfDividendsCommonStock" xlink:to="us-gaap_PaymentsOfDividendsCommonStock-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CostOfRevenueAbstract" xlink:label="us-gaap_CostOfRevenueAbstract" xlink:type="locator"/>

<link:label xlink:label="us-gaap_CostOfRevenueAbstract-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Cost of revenues: </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CostOfRevenueAbstract" xlink:to="us-gaap_CostOfRevenueAbstract-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_ScenarioUnspecifiedDomain" xlink:label="srt_ScenarioUnspecifiedDomain" xlink:type="locator"/>

<link:label xlink:label="srt_ScenarioUnspecifiedDomain-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Scenario [Domain] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_ScenarioUnspecifiedDomain" xlink:to="srt_ScenarioUnspecifiedDomain-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_ScenarioForecastMember" xlink:label="srt_ScenarioForecastMember" xlink:type="locator"/>

<link:label xlink:label="srt_ScenarioForecastMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Forecast [Member] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_ScenarioForecastMember" xlink:to="srt_ScenarioForecastMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProceedsFromStockOptionsExercised" xlink:label="us-gaap_ProceedsFromStockOptionsExercised" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ProceedsFromStockOptionsExercised-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Proceeds from exercise of options by employees </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromStockOptionsExercised" xlink:to="us-gaap_ProceedsFromStockOptionsExercised-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:label="us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ProceedsFromIssuanceOfCommonStock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Proceeds from issuance of common stock, net of stock issuance costs </link:label>

<link:label xlink:label="us-gaap_ProceedsFromIssuanceOfCommonStock-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Proceeds from Issuance of Common Stock </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:to="us-gaap_ProceedsFromIssuanceOfCommonStock-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_TitleOfIndividualWithRelationshipToEntityDomain" xlink:label="srt_TitleOfIndividualWithRelationshipToEntityDomain" xlink:type="locator"/>

<link:label xlink:label="srt_TitleOfIndividualWithRelationshipToEntityDomain-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Title of Individual [Domain] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_TitleOfIndividualWithRelationshipToEntityDomain" xlink:to="srt_TitleOfIndividualWithRelationshipToEntityDomain-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CurrentStateAndLocalTaxExpenseBenefit" xlink:label="us-gaap_CurrentStateAndLocalTaxExpenseBenefit" xlink:type="locator"/>

<link:label xlink:label="us-gaap_CurrentStateAndLocalTaxExpenseBenefit-label" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> State </link:label>

<link:label xlink:label="us-gaap_CurrentStateAndLocalTaxExpenseBenefit-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_CurrentStateAndLocalTaxExpenseBenefit </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CurrentStateAndLocalTaxExpenseBenefit" xlink:to="us-gaap_CurrentStateAndLocalTaxExpenseBenefit-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_TitleOfIndividualAxis" xlink:label="srt_TitleOfIndividualAxis" xlink:type="locator"/>

<link:label xlink:label="srt_TitleOfIndividualAxis-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Title of Individual [Axis] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_TitleOfIndividualAxis" xlink:to="srt_TitleOfIndividualAxis-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit" xlink:label="us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit" xlink:type="locator"/>

<link:label xlink:label="us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> State </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit" xlink:to="us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_StatementScenarioAxis" xlink:label="srt_StatementScenarioAxis" xlink:type="locator"/>

<link:label xlink:label="srt_StatementScenarioAxis-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Scenario [Axis] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_StatementScenarioAxis" xlink:to="srt_StatementScenarioAxis-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_ProceedsOverdueAccountsReceivable" xlink:label="ora_ProceedsOverdueAccountsReceivable" xlink:type="locator"/>

<link:label xlink:label="ora_ProceedsOverdueAccountsReceivable-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_ProceedsOverdueAccountsReceivable </link:label>

<link:label xlink:label="ora_ProceedsOverdueAccountsReceivable-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Proceeds, Overdue Accounts Receivable </link:label>

<link:label xlink:label="ora_ProceedsOverdueAccountsReceivable-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the amount of proceeds received during the period from payments on accounts receivable that were overdue. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_ProceedsOverdueAccountsReceivable" xlink:to="ora_ProceedsOverdueAccountsReceivable-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_ENNEMember" xlink:label="ora_ENNEMember" xlink:type="locator"/>

<link:label xlink:label="ora_ENNEMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ENNE [Member] </link:label>

<link:label xlink:label="ora_ENNEMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents information pertaining to ENNE. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_ENNEMember" xlink:to="ora_ENNEMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CurrentForeignTaxExpenseBenefit" xlink:label="us-gaap_CurrentForeignTaxExpenseBenefit" xlink:type="locator"/>

<link:label xlink:label="us-gaap_CurrentForeignTaxExpenseBenefit-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_CurrentForeignTaxExpenseBenefit </link:label>

<link:label xlink:label="us-gaap_CurrentForeignTaxExpenseBenefit-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Foreign </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CurrentForeignTaxExpenseBenefit" xlink:to="us-gaap_CurrentForeignTaxExpenseBenefit-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredForeignIncomeTaxExpenseBenefit" xlink:label="us-gaap_DeferredForeignIncomeTaxExpenseBenefit" xlink:type="locator"/>

<link:label xlink:label="us-gaap_DeferredForeignIncomeTaxExpenseBenefit-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_DeferredForeignIncomeTaxExpenseBenefit </link:label>

<link:label xlink:label="us-gaap_DeferredForeignIncomeTaxExpenseBenefit-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Foreign </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredForeignIncomeTaxExpenseBenefit" xlink:to="us-gaap_DeferredForeignIncomeTaxExpenseBenefit-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_AccountsReceivablePastDue" xlink:label="ora_AccountsReceivablePastDue" xlink:type="locator"/>

<link:label xlink:label="ora_AccountsReceivablePastDue-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_AccountsReceivablePastDue </link:label>

<link:label xlink:label="ora_AccountsReceivablePastDue-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accounts Receivable, Past Due </link:label>

<link:label xlink:label="ora_AccountsReceivablePastDue-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the amount of accounts receivable past due as of the specified date. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_AccountsReceivablePastDue" xlink:to="ora_AccountsReceivablePastDue-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ForeignIncomeTaxExpenseBenefitContinuingOperations" xlink:label="us-gaap_ForeignIncomeTaxExpenseBenefitContinuingOperations" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ForeignIncomeTaxExpenseBenefitContinuingOperations-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_ForeignIncomeTaxExpenseBenefitContinuingOperations </link:label>

<link:label xlink:label="us-gaap_ForeignIncomeTaxExpenseBenefitContinuingOperations-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Foreign Income Tax Expense (Benefit), Continuing Operations, Total </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ForeignIncomeTaxExpenseBenefitContinuingOperations" xlink:to="us-gaap_ForeignIncomeTaxExpenseBenefitContinuingOperations-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccountingStandardsUpdate201613Member" xlink:label="us-gaap_AccountingStandardsUpdate201613Member" xlink:type="locator"/>

<link:label xlink:label="us-gaap_AccountingStandardsUpdate201613Member-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accounting Standards Update 2016-13 [Member] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccountingStandardsUpdate201613Member" xlink:to="us-gaap_AccountingStandardsUpdate201613Member-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CurrentFederalTaxExpenseBenefit" xlink:label="us-gaap_CurrentFederalTaxExpenseBenefit" xlink:type="locator"/>

<link:label xlink:label="us-gaap_CurrentFederalTaxExpenseBenefit-label" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Federal </link:label>

<link:label xlink:label="us-gaap_CurrentFederalTaxExpenseBenefit-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_CurrentFederalTaxExpenseBenefit </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CurrentFederalTaxExpenseBenefit" xlink:to="us-gaap_CurrentFederalTaxExpenseBenefit-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredFederalIncomeTaxExpenseBenefit" xlink:label="us-gaap_DeferredFederalIncomeTaxExpenseBenefit" xlink:type="locator"/>

<link:label xlink:label="us-gaap_DeferredFederalIncomeTaxExpenseBenefit-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Federal </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredFederalIncomeTaxExpenseBenefit" xlink:to="us-gaap_DeferredFederalIncomeTaxExpenseBenefit-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefitContinuingOperationsAbstract" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefitContinuingOperationsAbstract" xlink:type="locator"/>

<link:label xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefitContinuingOperationsAbstract-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Deferred: </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredIncomeTaxExpenseBenefitContinuingOperationsAbstract" xlink:to="us-gaap_DeferredIncomeTaxExpenseBenefitContinuingOperationsAbstract-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeTaxExaminationLiabilityRefundAdjustmentFromSettlementWithTaxingAuthority" xlink:label="us-gaap_IncomeTaxExaminationLiabilityRefundAdjustmentFromSettlementWithTaxingAuthority" xlink:type="locator"/>

<link:label xlink:label="us-gaap_IncomeTaxExaminationLiabilityRefundAdjustmentFromSettlementWithTaxingAuthority-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_IncomeTaxExaminationLiabilityRefundAdjustmentFromSettlementWithTaxingAuthority </link:label>

<link:label xlink:label="us-gaap_IncomeTaxExaminationLiabilityRefundAdjustmentFromSettlementWithTaxingAuthority-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Income Tax Examination, Liability (Refund) Adjustment from Settlement with Taxing Authority </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxExaminationLiabilityRefundAdjustmentFromSettlementWithTaxingAuthority" xlink:to="us-gaap_IncomeTaxExaminationLiabilityRefundAdjustmentFromSettlementWithTaxingAuthority-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_ProductSegmentMember" xlink:label="ora_ProductSegmentMember" xlink:type="locator"/>

<link:label xlink:label="ora_ProductSegmentMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Product Segment [Member] </link:label>

<link:label xlink:label="ora_ProductSegmentMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The business segment that pertains to products. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_ProductSegmentMember" xlink:to="ora_ProductSegmentMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract" xlink:label="us-gaap_CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract" xlink:type="locator"/>

<link:label xlink:label="us-gaap_CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Current: </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract" xlink:to="us-gaap_CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CurrentIncomeTaxExpenseBenefit" xlink:label="us-gaap_CurrentIncomeTaxExpenseBenefit" xlink:type="locator"/>

<link:label xlink:label="us-gaap_CurrentIncomeTaxExpenseBenefit-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_CurrentIncomeTaxExpenseBenefit </link:label>

<link:label xlink:label="us-gaap_CurrentIncomeTaxExpenseBenefit-label" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total current income tax expense </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CurrentIncomeTaxExpenseBenefit" xlink:to="us-gaap_CurrentIncomeTaxExpenseBenefit-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RevenueRemainingPerformanceObligationPercentage" xlink:label="us-gaap_RevenueRemainingPerformanceObligationPercentage" xlink:type="locator"/>

<link:label xlink:label="us-gaap_RevenueRemainingPerformanceObligationPercentage-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_RevenueRemainingPerformanceObligationPercentage </link:label>

<link:label xlink:label="us-gaap_RevenueRemainingPerformanceObligationPercentage-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Revenue, Remaining Performance Obligation, Percentage </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RevenueRemainingPerformanceObligationPercentage" xlink:to="us-gaap_RevenueRemainingPerformanceObligationPercentage-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeTaxExaminationEstimateOfPossibleLoss" xlink:label="us-gaap_IncomeTaxExaminationEstimateOfPossibleLoss" xlink:type="locator"/>

<link:label xlink:label="us-gaap_IncomeTaxExaminationEstimateOfPossibleLoss-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_IncomeTaxExaminationEstimateOfPossibleLoss </link:label>

<link:label xlink:label="us-gaap_IncomeTaxExaminationEstimateOfPossibleLoss-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Income Tax Examination, Estimate of Possible Loss </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxExaminationEstimateOfPossibleLoss" xlink:to="us-gaap_IncomeTaxExaminationEstimateOfPossibleLoss-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1" xlink:label="us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1" xlink:type="locator"/>

<link:label xlink:label="us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1 </link:label>

<link:label xlink:label="us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period (Month) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1" xlink:to="us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RevenueRemainingPerformanceObligation" xlink:label="us-gaap_RevenueRemainingPerformanceObligation" xlink:type="locator"/>

<link:label xlink:label="us-gaap_RevenueRemainingPerformanceObligation-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_RevenueRemainingPerformanceObligation </link:label>

<link:label xlink:label="us-gaap_RevenueRemainingPerformanceObligation-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Revenue, Remaining Performance Obligation, Amount </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RevenueRemainingPerformanceObligation" xlink:to="us-gaap_RevenueRemainingPerformanceObligation-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis" xlink:label="us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis" xlink:type="locator"/>

<link:label xlink:label="us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis" xlink:to="us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PaymentsToMinorityShareholders" xlink:label="us-gaap_PaymentsToMinorityShareholders" xlink:type="locator"/>

<link:label xlink:label="us-gaap_PaymentsToMinorityShareholders-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_PaymentsToMinorityShareholders </link:label>

<link:label xlink:label="us-gaap_PaymentsToMinorityShareholders-label" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Cash paid to noncontrolling interest </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsToMinorityShareholders" xlink:to="us-gaap_PaymentsToMinorityShareholders-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign" xlink:type="locator"/>

<link:label xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Non-U.S. (foreign) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign" xlink:to="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeTaxExaminationYearUnderExamination" xlink:label="us-gaap_IncomeTaxExaminationYearUnderExamination" xlink:type="locator"/>

<link:label xlink:label="us-gaap_IncomeTaxExaminationYearUnderExamination-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_IncomeTaxExaminationYearUnderExamination </link:label>

<link:label xlink:label="us-gaap_IncomeTaxExaminationYearUnderExamination-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Income Tax Examination, Year under Examination </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxExaminationYearUnderExamination" xlink:to="us-gaap_IncomeTaxExaminationYearUnderExamination-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProceedsFromMinorityShareholders" xlink:label="us-gaap_ProceedsFromMinorityShareholders" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ProceedsFromMinorityShareholders-label" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Cash received from noncontrolling interest </link:label>

<link:label xlink:label="us-gaap_ProceedsFromMinorityShareholders-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_ProceedsFromMinorityShareholders </link:label>

<link:label xlink:label="us-gaap_ProceedsFromMinorityShareholders-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Proceeds from Noncontrolling Interests </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromMinorityShareholders" xlink:to="us-gaap_ProceedsFromMinorityShareholders-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic" xlink:type="locator"/>

<link:label xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> U.S </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic" xlink:to="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccountsReceivableAllowanceForCreditLossTableTextBlock" xlink:label="us-gaap_AccountsReceivableAllowanceForCreditLossTableTextBlock" xlink:type="locator"/>

<link:label xlink:label="us-gaap_AccountsReceivableAllowanceForCreditLossTableTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accounts Receivable, Allowance for Credit Loss [Table Text Block] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccountsReceivableAllowanceForCreditLossTableTextBlock" xlink:to="us-gaap_AccountsReceivableAllowanceForCreditLossTableTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PaymentsOfFinancingCosts" xlink:label="us-gaap_PaymentsOfFinancingCosts" xlink:type="locator"/>

<link:label xlink:label="us-gaap_PaymentsOfFinancingCosts-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_PaymentsOfFinancingCosts </link:label>

<link:label xlink:label="us-gaap_PaymentsOfFinancingCosts-label" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Deferred debt issuance costs </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsOfFinancingCosts" xlink:to="us-gaap_PaymentsOfFinancingCosts-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IsraelTaxAuthorityMember" xlink:label="us-gaap_IsraelTaxAuthorityMember" xlink:type="locator"/>

<link:label xlink:label="us-gaap_IsraelTaxAuthorityMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Israel Tax Authority [Member] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IsraelTaxAuthorityMember" xlink:to="us-gaap_IsraelTaxAuthorityMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_OperatingLeaseRightOfUseAssetOperatingCashFlowEffect" xlink:label="ora_OperatingLeaseRightOfUseAssetOperatingCashFlowEffect" xlink:type="locator"/>

<link:label xlink:label="ora_OperatingLeaseRightOfUseAssetOperatingCashFlowEffect-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Change in operating lease right of use asset </link:label>

<link:label xlink:label="ora_OperatingLeaseRightOfUseAssetOperatingCashFlowEffect-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the effect on operating cash flows, by way of changes in operating assets and liabilities, of the operating lease right of use asset. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_OperatingLeaseRightOfUseAssetOperatingCashFlowEffect" xlink:to="ora_OperatingLeaseRightOfUseAssetOperatingCashFlowEffect-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_RightofuseAssetObtainedInExchangeForLeaseLiability" xlink:label="ora_RightofuseAssetObtainedInExchangeForLeaseLiability" xlink:type="locator"/>

<link:label xlink:label="ora_RightofuseAssetObtainedInExchangeForLeaseLiability-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Right of use assets obtained in exchange for new lease liabilities </link:label>

<link:label xlink:label="ora_RightofuseAssetObtainedInExchangeForLeaseLiability-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Amount of increase in right-of-use asset obtained in exchange for lease liability. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_RightofuseAssetObtainedInExchangeForLeaseLiability" xlink:to="ora_RightofuseAssetObtainedInExchangeForLeaseLiability-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_MinistryOfTheEconomyFinanceAndIndustryFranceMember" xlink:label="us-gaap_MinistryOfTheEconomyFinanceAndIndustryFranceMember" xlink:type="locator"/>

<link:label xlink:label="us-gaap_MinistryOfTheEconomyFinanceAndIndustryFranceMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Ministry of the Economy, Finance and Industry, France [Member] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MinistryOfTheEconomyFinanceAndIndustryFranceMember" xlink:to="us-gaap_MinistryOfTheEconomyFinanceAndIndustryFranceMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_McginnessHillsPhaseIiiMember" xlink:label="ora_McginnessHillsPhaseIiiMember" xlink:type="locator"/>

<link:label xlink:label="ora_McginnessHillsPhaseIiiMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> McGinness Hills Phase III [Member] </link:label>

<link:label xlink:label="ora_McginnessHillsPhaseIiiMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Information related to the McGinness Hills Phase III. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_McginnessHillsPhaseIiiMember" xlink:to="ora_McginnessHillsPhaseIiiMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StateAndLocalJurisdictionMember" xlink:label="us-gaap_StateAndLocalJurisdictionMember" xlink:type="locator"/>

<link:label xlink:label="us-gaap_StateAndLocalJurisdictionMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> State and Local Jurisdiction [Member] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StateAndLocalJurisdictionMember" xlink:to="us-gaap_StateAndLocalJurisdictionMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeTaxAuthorityNameAxis" xlink:label="us-gaap_IncomeTaxAuthorityNameAxis" xlink:type="locator"/>

<link:label xlink:label="us-gaap_IncomeTaxAuthorityNameAxis-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income Tax Authority, Name [Axis] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxAuthorityNameAxis" xlink:to="us-gaap_IncomeTaxAuthorityNameAxis-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeTaxAuthorityNameDomain" xlink:label="us-gaap_IncomeTaxAuthorityNameDomain" xlink:type="locator"/>

<link:label xlink:label="us-gaap_IncomeTaxAuthorityNameDomain-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income Tax Authority, Name [Domain] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxAuthorityNameDomain" xlink:to="us-gaap_IncomeTaxAuthorityNameDomain-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeTaxAuthorityAxis" xlink:label="us-gaap_IncomeTaxAuthorityAxis" xlink:type="locator"/>

<link:label xlink:label="us-gaap_IncomeTaxAuthorityAxis-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income Tax Authority [Axis] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxAuthorityAxis" xlink:to="us-gaap_IncomeTaxAuthorityAxis-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeTaxAuthorityDomain" xlink:label="us-gaap_IncomeTaxAuthorityDomain" xlink:type="locator"/>

<link:label xlink:label="us-gaap_IncomeTaxAuthorityDomain-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income Tax Authority [Domain] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxAuthorityDomain" xlink:to="us-gaap_IncomeTaxAuthorityDomain-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DomesticCountryMember" xlink:label="us-gaap_DomesticCountryMember" xlink:type="locator"/>

<link:label xlink:label="us-gaap_DomesticCountryMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Domestic Tax Authority [Member] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DomesticCountryMember" xlink:to="us-gaap_DomesticCountryMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ForeignCountryMember" xlink:label="us-gaap_ForeignCountryMember" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ForeignCountryMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Foreign Tax Authority [Member] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ForeignCountryMember" xlink:to="us-gaap_ForeignCountryMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SummaryOfIncomeTaxExaminationsTextBlock" xlink:label="us-gaap_SummaryOfIncomeTaxExaminationsTextBlock" xlink:type="locator"/>

<link:label xlink:label="us-gaap_SummaryOfIncomeTaxExaminationsTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Summary of Income Tax Examinations [Table Text Block] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SummaryOfIncomeTaxExaminationsTextBlock" xlink:to="us-gaap_SummaryOfIncomeTaxExaminationsTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_PowerPurchaseAgreementsAndIntangibleAssetsRelatedToStorageActivitiesMember" xlink:label="ora_PowerPurchaseAgreementsAndIntangibleAssetsRelatedToStorageActivitiesMember" xlink:type="locator"/>

<link:label xlink:label="ora_PowerPurchaseAgreementsAndIntangibleAssetsRelatedToStorageActivitiesMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Power Purchase Agreements and Intangible Assets Related to Storage Activities [Member] </link:label>

<link:label xlink:label="ora_PowerPurchaseAgreementsAndIntangibleAssetsRelatedToStorageActivitiesMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents intangible assets related to storage activities and power purchase agreements. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_PowerPurchaseAgreementsAndIntangibleAssetsRelatedToStorageActivitiesMember" xlink:to="ora_PowerPurchaseAgreementsAndIntangibleAssetsRelatedToStorageActivitiesMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CashAndCashEquivalentsPolicyTextBlock" xlink:label="us-gaap_CashAndCashEquivalentsPolicyTextBlock" xlink:type="locator"/>

<link:label xlink:label="us-gaap_CashAndCashEquivalentsPolicyTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Cash and Cash Equivalents, Policy [Policy Text Block] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashAndCashEquivalentsPolicyTextBlock" xlink:to="us-gaap_CashAndCashEquivalentsPolicyTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CashAndCashEquivalentsRestrictedCashAndCashEquivalentsPolicy" xlink:label="us-gaap_CashAndCashEquivalentsRestrictedCashAndCashEquivalentsPolicy" xlink:type="locator"/>

<link:label xlink:label="us-gaap_CashAndCashEquivalentsRestrictedCashAndCashEquivalentsPolicy-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashAndCashEquivalentsRestrictedCashAndCashEquivalentsPolicy" xlink:to="us-gaap_CashAndCashEquivalentsRestrictedCashAndCashEquivalentsPolicy-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_UnrecognizedTaxBenefits" xlink:label="us-gaap_UnrecognizedTaxBenefits" xlink:type="locator"/>

<link:label xlink:label="us-gaap_UnrecognizedTaxBenefits-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_UnrecognizedTaxBenefits </link:label>

<link:label xlink:label="us-gaap_UnrecognizedTaxBenefits-label" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US"> Balance at beginning of year </link:label>

<link:label xlink:label="us-gaap_UnrecognizedTaxBenefits-label" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US"> Balance at end of year </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_UnrecognizedTaxBenefits" xlink:to="us-gaap_UnrecognizedTaxBenefits-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate" xlink:label="us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate" xlink:type="locator"/>

<link:label xlink:label="us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate </link:label>

<link:label xlink:label="us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Unrecognized Tax Benefits that Would Impact Effective Tax Rate </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate" xlink:to="us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccountingPoliciesAbstract" xlink:label="us-gaap_AccountingPoliciesAbstract" xlink:type="locator"/>

<link:label xlink:label="us-gaap_AccountingPoliciesAbstract-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accounting Policies [Abstract] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccountingPoliciesAbstract" xlink:to="us-gaap_AccountingPoliciesAbstract-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OpenTaxYear" xlink:label="us-gaap_OpenTaxYear" xlink:type="locator"/>

<link:label xlink:label="us-gaap_OpenTaxYear-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Countries </link:label>

<link:label xlink:label="us-gaap_OpenTaxYear-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Open Tax Year </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OpenTaxYear" xlink:to="us-gaap_OpenTaxYear-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BasisOfAccountingPolicyPolicyTextBlock" xlink:label="us-gaap_BasisOfAccountingPolicyPolicyTextBlock" xlink:type="locator"/>

<link:label xlink:label="us-gaap_BasisOfAccountingPolicyPolicyTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Basis of Accounting, Policy [Policy Text Block] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BasisOfAccountingPolicyPolicyTextBlock" xlink:to="us-gaap_BasisOfAccountingPolicyPolicyTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_PropertyPlantAndEquipmentNetExcludingConstructionInProgressNet" xlink:label="ora_PropertyPlantAndEquipmentNetExcludingConstructionInProgressNet" xlink:type="locator"/>

<link:label xlink:label="ora_PropertyPlantAndEquipmentNetExcludingConstructionInProgressNet-label" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Property, plant and equipment, net </link:label>

<link:label xlink:label="ora_PropertyPlantAndEquipmentNetExcludingConstructionInProgressNet-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Property, plant and equipment, net </link:label>

<link:label xlink:label="ora_PropertyPlantAndEquipmentNetExcludingConstructionInProgressNet-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Excludes construction in progress, net. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_PropertyPlantAndEquipmentNetExcludingConstructionInProgressNet" xlink:to="ora_PropertyPlantAndEquipmentNetExcludingConstructionInProgressNet-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RepaymentsOfLongTermLinesOfCredit" xlink:label="us-gaap_RepaymentsOfLongTermLinesOfCredit" xlink:type="locator"/>

<link:label xlink:label="us-gaap_RepaymentsOfLongTermLinesOfCredit-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_RepaymentsOfLongTermLinesOfCredit </link:label>

<link:label xlink:label="us-gaap_RepaymentsOfLongTermLinesOfCredit-label" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Repayment of revolving credit lines with banks </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RepaymentsOfLongTermLinesOfCredit" xlink:to="us-gaap_RepaymentsOfLongTermLinesOfCredit-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_RepaymentsOfLongtermLoans" xlink:label="ora_RepaymentsOfLongtermLoans" xlink:type="locator"/>

<link:label xlink:label="ora_RepaymentsOfLongtermLoans-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_RepaymentsOfLongtermLoans </link:label>

<link:label xlink:label="ora_RepaymentsOfLongtermLoans-label" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Repayments of long-term debt </link:label>

<link:label xlink:label="ora_RepaymentsOfLongtermLoans-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The cash outflow for long-term loans initially having maturity due after one year or beyond the normal operating cycle, if longer. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_RepaymentsOfLongtermLoans" xlink:to="ora_RepaymentsOfLongtermLoans-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_ProceedsFromIssuanceOfLongtermLoansNet" xlink:label="ora_ProceedsFromIssuanceOfLongtermLoansNet" xlink:type="locator"/>

<link:label xlink:label="ora_ProceedsFromIssuanceOfLongtermLoansNet-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Proceeds from long-term loans, net of transaction costs </link:label>

<link:label xlink:label="ora_ProceedsFromIssuanceOfLongtermLoansNet-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The cash inflow from the issuance of long-term loans, net of transaction costs initially having maturity due after one year or beyond the operating cycle, if longer. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_ProceedsFromIssuanceOfLongtermLoansNet" xlink:to="ora_ProceedsFromIssuanceOfLongtermLoansNet-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommonStockDividendsPerShareDeclared" xlink:label="us-gaap_CommonStockDividendsPerShareDeclared" xlink:type="locator"/>

<link:label xlink:label="us-gaap_CommonStockDividendsPerShareDeclared-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Cash dividend declared, per share (in dollars per share) </link:label>

<link:label xlink:label="us-gaap_CommonStockDividendsPerShareDeclared-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Common Stock, Dividends, Per Share, Declared (in dollars per share) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockDividendsPerShareDeclared" xlink:to="us-gaap_CommonStockDividendsPerShareDeclared-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommonStockDividendsPerShareCashPaid" xlink:label="us-gaap_CommonStockDividendsPerShareCashPaid" xlink:type="locator"/>

<link:label xlink:label="us-gaap_CommonStockDividendsPerShareCashPaid-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_CommonStockDividendsPerShareCashPaid </link:label>

<link:label xlink:label="us-gaap_CommonStockDividendsPerShareCashPaid-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Common Stock, Dividends, Per Share, Cash Paid (in dollars per share) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockDividendsPerShareCashPaid" xlink:to="us-gaap_CommonStockDividendsPerShareCashPaid-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_ProceedsFromSaleOfLimitedLiabilityCompanyInterestNetOfTransactionCosts" xlink:label="ora_ProceedsFromSaleOfLimitedLiabilityCompanyInterestNetOfTransactionCosts" xlink:type="locator"/>

<link:label xlink:label="ora_ProceedsFromSaleOfLimitedLiabilityCompanyInterestNetOfTransactionCosts-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Proceeds from the sale of limited liability company interest, net of transaction costs </link:label>

<link:label xlink:label="ora_ProceedsFromSaleOfLimitedLiabilityCompanyInterestNetOfTransactionCosts-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Cash inflow from sale of limited liability company interest, net of transaction costs. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_ProceedsFromSaleOfLimitedLiabilityCompanyInterestNetOfTransactionCosts" xlink:to="ora_ProceedsFromSaleOfLimitedLiabilityCompanyInterestNetOfTransactionCosts-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions" xlink:label="us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions" xlink:type="locator"/>

<link:label xlink:label="us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions </link:label>

<link:label xlink:label="us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions-label" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Reduction based on tax positions taken in prior years </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions" xlink:to="us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions" xlink:label="us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions" xlink:type="locator"/>

<link:label xlink:label="us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Additions based on tax positions taken in the current year </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions" xlink:to="us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProceedsFromIssuanceOfLongTermDebt" xlink:label="us-gaap_ProceedsFromIssuanceOfLongTermDebt" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ProceedsFromIssuanceOfLongTermDebt-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_ProceedsFromIssuanceOfLongTermDebt </link:label>

<link:label xlink:label="us-gaap_ProceedsFromIssuanceOfLongTermDebt-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Proceeds from Issuance of Long-term Debt, Total </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromIssuanceOfLongTermDebt" xlink:to="us-gaap_ProceedsFromIssuanceOfLongTermDebt-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EarliestTaxYearMember" xlink:label="us-gaap_EarliestTaxYearMember" xlink:type="locator"/>

<link:label xlink:label="us-gaap_EarliestTaxYearMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Earliest Tax Year [Member] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EarliestTaxYearMember" xlink:to="us-gaap_EarliestTaxYearMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProceedsFromLongTermLinesOfCredit" xlink:label="us-gaap_ProceedsFromLongTermLinesOfCredit" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ProceedsFromLongTermLinesOfCredit-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Proceeds from revolving credit lines with banks </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromLongTermLinesOfCredit" xlink:to="us-gaap_ProceedsFromLongTermLinesOfCredit-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LatestTaxYearMember" xlink:label="us-gaap_LatestTaxYearMember" xlink:type="locator"/>

<link:label xlink:label="us-gaap_LatestTaxYearMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Latest Tax Year [Member] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LatestTaxYearMember" xlink:to="us-gaap_LatestTaxYearMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_TaxPeriodDomain" xlink:label="us-gaap_TaxPeriodDomain" xlink:type="locator"/>

<link:label xlink:label="us-gaap_TaxPeriodDomain-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Tax Period [Domain] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TaxPeriodDomain" xlink:to="us-gaap_TaxPeriodDomain-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SummaryOfIncomeTaxContingenciesTextBlock" xlink:label="us-gaap_SummaryOfIncomeTaxContingenciesTextBlock" xlink:type="locator"/>

<link:label xlink:label="us-gaap_SummaryOfIncomeTaxContingenciesTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Summary of Income Tax Contingencies [Table Text Block] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SummaryOfIncomeTaxContingenciesTextBlock" xlink:to="us-gaap_SummaryOfIncomeTaxContingenciesTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_TaxPeriodAxis" xlink:label="us-gaap_TaxPeriodAxis" xlink:type="locator"/>

<link:label xlink:label="us-gaap_TaxPeriodAxis-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Tax Period [Axis] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TaxPeriodAxis" xlink:to="us-gaap_TaxPeriodAxis-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_GeneralBusinessMember" xlink:label="us-gaap_GeneralBusinessMember" xlink:type="locator"/>

<link:label xlink:label="us-gaap_GeneralBusinessMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> General Business Tax Credit Carryforward [Member] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GeneralBusinessMember" xlink:to="us-gaap_GeneralBusinessMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EarningsPerShareBasicAndDilutedOtherDisclosuresAbstract" xlink:label="us-gaap_EarningsPerShareBasicAndDilutedOtherDisclosuresAbstract" xlink:type="locator"/>

<link:label xlink:label="us-gaap_EarningsPerShareBasicAndDilutedOtherDisclosuresAbstract-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Weighted average number of shares used in computation of earnings per share attributable to the Company's stockholders: </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EarningsPerShareBasicAndDilutedOtherDisclosuresAbstract" xlink:to="us-gaap_EarningsPerShareBasicAndDilutedOtherDisclosuresAbstract-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SharePrice" xlink:label="us-gaap_SharePrice" xlink:type="locator"/>

<link:label xlink:label="us-gaap_SharePrice-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_SharePrice </link:label>

<link:label xlink:label="us-gaap_SharePrice-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Share Price (in dollars per share) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharePrice" xlink:to="us-gaap_SharePrice-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RepaymentsOfCommercialPaper" xlink:label="us-gaap_RepaymentsOfCommercialPaper" xlink:type="locator"/>

<link:label xlink:label="us-gaap_RepaymentsOfCommercialPaper-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_RepaymentsOfCommercialPaper </link:label>

<link:label xlink:label="us-gaap_RepaymentsOfCommercialPaper-label" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Repayments of commercial paper and prepayments of long-term debt </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RepaymentsOfCommercialPaper" xlink:to="us-gaap_RepaymentsOfCommercialPaper-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xlink:type="locator"/>

<link:label xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount </link:label>

<link:label xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xlink:to="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:type="locator"/>

<link:label xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding-label" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Diluted (in shares) </link:label>

<link:label xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Diluted (in shares) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:to="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_TaxCreditCarryforwardAxis" xlink:label="us-gaap_TaxCreditCarryforwardAxis" xlink:type="locator"/>

<link:label xlink:label="us-gaap_TaxCreditCarryforwardAxis-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Tax Credit Carryforward [Axis] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TaxCreditCarryforwardAxis" xlink:to="us-gaap_TaxCreditCarryforwardAxis-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_TaxCreditCarryforwardNameDomain" xlink:label="us-gaap_TaxCreditCarryforwardNameDomain" xlink:type="locator"/>

<link:label xlink:label="us-gaap_TaxCreditCarryforwardNameDomain-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Tax Credit Carryforward, Name [Domain] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TaxCreditCarryforwardNameDomain" xlink:to="us-gaap_TaxCreditCarryforwardNameDomain-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingLossCarryforwards" xlink:label="us-gaap_OperatingLossCarryforwards" xlink:type="locator"/>

<link:label xlink:label="us-gaap_OperatingLossCarryforwards-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_OperatingLossCarryforwards </link:label>

<link:label xlink:label="us-gaap_OperatingLossCarryforwards-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Operating Loss Carryforwards, Total </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLossCarryforwards" xlink:to="us-gaap_OperatingLossCarryforwards-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProceedsFromLinesOfCredit" xlink:label="us-gaap_ProceedsFromLinesOfCredit" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ProceedsFromLinesOfCredit-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_ProceedsFromLinesOfCredit </link:label>

<link:label xlink:label="us-gaap_ProceedsFromLinesOfCredit-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Proceeds from Lines of Credit, Total </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromLinesOfCredit" xlink:to="us-gaap_ProceedsFromLinesOfCredit-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_UnbilledContractsReceivable" xlink:label="us-gaap_UnbilledContractsReceivable" xlink:type="locator"/>

<link:label xlink:label="us-gaap_UnbilledContractsReceivable-label" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Total </link:label>

<link:label xlink:label="us-gaap_UnbilledContractsReceivable-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_UnbilledContractsReceivable </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_UnbilledContractsReceivable" xlink:to="us-gaap_UnbilledContractsReceivable-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueByAssetClassAxis" xlink:label="us-gaap_FairValueByAssetClassAxis" xlink:type="locator"/>

<link:label xlink:label="us-gaap_FairValueByAssetClassAxis-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Asset Class [Axis] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueByAssetClassAxis" xlink:to="us-gaap_FairValueByAssetClassAxis-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain" xlink:label="us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain" xlink:type="locator"/>

<link:label xlink:label="us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Asset Class [Domain] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain" xlink:to="us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StatementOfFinancialPositionAbstract" xlink:label="us-gaap_StatementOfFinancialPositionAbstract" xlink:type="locator"/>

<link:label xlink:label="us-gaap_StatementOfFinancialPositionAbstract-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Statement of Financial Position [Abstract] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementOfFinancialPositionAbstract" xlink:to="us-gaap_StatementOfFinancialPositionAbstract-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProceedsFromIssuanceOfCommercialPaper" xlink:label="us-gaap_ProceedsFromIssuanceOfCommercialPaper" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ProceedsFromIssuanceOfCommercialPaper-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Proceeds from issuance of commercial paper </link:label>

<link:label xlink:label="us-gaap_ProceedsFromIssuanceOfCommercialPaper-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Proceeds from Issuance of Commercial Paper </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromIssuanceOfCommercialPaper" xlink:to="us-gaap_ProceedsFromIssuanceOfCommercialPaper-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EarningsPerShareDiluted" xlink:label="us-gaap_EarningsPerShareDiluted" xlink:type="locator"/>

<link:label xlink:label="us-gaap_EarningsPerShareDiluted-label" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Diluted (in dollars per share) </link:label>

<link:label xlink:label="us-gaap_EarningsPerShareDiluted-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_EarningsPerShareDiluted </link:label>

<link:label xlink:label="us-gaap_EarningsPerShareDiluted-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Diluted: (in dollars per share) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EarningsPerShareDiluted" xlink:to="us-gaap_EarningsPerShareDiluted-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:type="locator"/>

<link:label xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic-label" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Basic (in shares) </link:label>

<link:label xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Weighted average number of shares used in computation of basic earnings per share (in shares) </link:label>

<link:label xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Basic (in shares) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:to="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccountsPayableAndAccruedLiabilitiesDisclosureTextBlock" xlink:label="us-gaap_AccountsPayableAndAccruedLiabilitiesDisclosureTextBlock" xlink:type="locator"/>

<link:label xlink:label="us-gaap_AccountsPayableAndAccruedLiabilitiesDisclosureTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accounts Payable and Accrued Liabilities Disclosure [Text Block] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccountsPayableAndAccruedLiabilitiesDisclosureTextBlock" xlink:to="us-gaap_AccountsPayableAndAccruedLiabilitiesDisclosureTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments" xlink:type="locator"/>

<link:label xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other, net </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments" xlink:to="us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EffectiveIncomeTaxRateContinuingOperations" xlink:label="us-gaap_EffectiveIncomeTaxRateContinuingOperations" xlink:type="locator"/>

<link:label xlink:label="us-gaap_EffectiveIncomeTaxRateContinuingOperations-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_EffectiveIncomeTaxRateContinuingOperations </link:label>

<link:label xlink:label="us-gaap_EffectiveIncomeTaxRateContinuingOperations-label" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Effective tax rate </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EffectiveIncomeTaxRateContinuingOperations" xlink:to="us-gaap_EffectiveIncomeTaxRateContinuingOperations-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessAcquisitionAxis" xlink:label="us-gaap_BusinessAcquisitionAxis" xlink:type="locator"/>

<link:label xlink:label="us-gaap_BusinessAcquisitionAxis-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Business Acquisition [Axis] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessAcquisitionAxis" xlink:to="us-gaap_BusinessAcquisitionAxis-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate" xlink:type="locator"/>

<link:label xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Impact of federal tax reform </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate" xlink:to="us-gaap_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EarningsPerShareBasic" xlink:label="us-gaap_EarningsPerShareBasic" xlink:type="locator"/>

<link:label xlink:label="us-gaap_EarningsPerShareBasic-label" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Basic (in dollars per share) </link:label>

<link:label xlink:label="us-gaap_EarningsPerShareBasic-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_EarningsPerShareBasic </link:label>

<link:label xlink:label="us-gaap_EarningsPerShareBasic-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Basic: (in dollars per share) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EarningsPerShareBasic" xlink:to="us-gaap_EarningsPerShareBasic-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="us-gaap_BusinessAcquisitionAcquireeDomain" xlink:type="locator"/>

<link:label xlink:label="us-gaap_BusinessAcquisitionAcquireeDomain-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Business Acquisition, Acquiree [Domain] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessAcquisitionAcquireeDomain" xlink:to="us-gaap_BusinessAcquisitionAcquireeDomain-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ContractWithCustomerAssetAndLiabilityTableTextBlock" xlink:label="us-gaap_ContractWithCustomerAssetAndLiabilityTableTextBlock" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ContractWithCustomerAssetAndLiabilityTableTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ContractWithCustomerAssetAndLiabilityTableTextBlock" xlink:to="us-gaap_ContractWithCustomerAssetAndLiabilityTableTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance" xlink:type="locator"/>

<link:label xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Valuation allowance </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance" xlink:to="us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StatementOfCashFlowsAbstract" xlink:label="us-gaap_StatementOfCashFlowsAbstract" xlink:type="locator"/>

<link:label xlink:label="us-gaap_StatementOfCashFlowsAbstract-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Statement of Cash Flows [Abstract] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementOfCashFlowsAbstract" xlink:to="us-gaap_StatementOfCashFlowsAbstract-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationRepatriationOfForeignEarnings" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationRepatriationOfForeignEarnings" xlink:type="locator"/>

<link:label xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationRepatriationOfForeignEarnings-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Subpart F income </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EffectiveIncomeTaxRateReconciliationRepatriationOfForeignEarnings" xlink:to="us-gaap_EffectiveIncomeTaxRateReconciliationRepatriationOfForeignEarnings-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StatementOfStockholdersEquityAbstract" xlink:label="us-gaap_StatementOfStockholdersEquityAbstract" xlink:type="locator"/>

<link:label xlink:label="us-gaap_StatementOfStockholdersEquityAbstract-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Statement of Stockholders' Equity [Abstract] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementOfStockholdersEquityAbstract" xlink:to="us-gaap_StatementOfStockholdersEquityAbstract-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LeaseContractualTermDomain" xlink:label="us-gaap_LeaseContractualTermDomain" xlink:type="locator"/>

<link:label xlink:label="us-gaap_LeaseContractualTermDomain-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Lease Contractual Term [Domain] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LeaseContractualTermDomain" xlink:to="us-gaap_LeaseContractualTermDomain-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfEntityWideDisclosureOnGeographicAreasLongLivedAssetsInIndividualForeignCountriesByCountryTextBlock" xlink:label="us-gaap_ScheduleOfEntityWideDisclosureOnGeographicAreasLongLivedAssetsInIndividualForeignCountriesByCountryTextBlock" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ScheduleOfEntityWideDisclosureOnGeographicAreasLongLivedAssetsInIndividualForeignCountriesByCountryTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Disclosure on Geographic Areas, Long-Lived Assets in Individual Foreign Countries by Country [Table Text Block] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfEntityWideDisclosureOnGeographicAreasLongLivedAssetsInIndividualForeignCountriesByCountryTextBlock" xlink:to="us-gaap_ScheduleOfEntityWideDisclosureOnGeographicAreasLongLivedAssetsInIndividualForeignCountriesByCountryTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LeaseContractualTermAxis" xlink:label="us-gaap_LeaseContractualTermAxis" xlink:type="locator"/>

<link:label xlink:label="us-gaap_LeaseContractualTermAxis-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Lease Contractual Term [Axis] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LeaseContractualTermAxis" xlink:to="us-gaap_LeaseContractualTermAxis-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationMinorityInterestIncomeExpense" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationMinorityInterestIncomeExpense" xlink:type="locator"/>

<link:label xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationMinorityInterestIncomeExpense-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_EffectiveIncomeTaxRateReconciliationMinorityInterestIncomeExpense </link:label>

<link:label xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationMinorityInterestIncomeExpense-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Noncontrolling interest </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EffectiveIncomeTaxRateReconciliationMinorityInterestIncomeExpense" xlink:to="us-gaap_EffectiveIncomeTaxRateReconciliationMinorityInterestIncomeExpense-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_GeothermalResourceAgreementMember" xlink:label="ora_GeothermalResourceAgreementMember" xlink:type="locator"/>

<link:label xlink:label="ora_GeothermalResourceAgreementMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Geothermal Resource Agreement [Member] </link:label>

<link:label xlink:label="ora_GeothermalResourceAgreementMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the geothermal resource agreement, in which geothermal resources are being utilized by the Company. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_GeothermalResourceAgreementMember" xlink:to="ora_GeothermalResourceAgreementMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationTaxContingencies" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationTaxContingencies" xlink:type="locator"/>

<link:label xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationTaxContingencies-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Uncertain tax positions </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EffectiveIncomeTaxRateReconciliationTaxContingencies" xlink:to="us-gaap_EffectiveIncomeTaxRateReconciliationTaxContingencies-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_ScheduleofEstimatedUsefulLivesTableTextBlock" xlink:label="ora_ScheduleofEstimatedUsefulLivesTableTextBlock" xlink:type="locator"/>

<link:label xlink:label="ora_ScheduleofEstimatedUsefulLivesTableTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule Of Estimated Useful Lives [Table Text Block] </link:label>

<link:label xlink:label="ora_ScheduleofEstimatedUsefulLivesTableTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The tabular disclosure of the estimated useful lives of property, plant, and equipment. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_ScheduleofEstimatedUsefulLivesTableTextBlock" xlink:to="ora_ScheduleofEstimatedUsefulLivesTableTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfAccountsPayableAndAccruedLiabilitiesTableTextBlock" xlink:label="us-gaap_ScheduleOfAccountsPayableAndAccruedLiabilitiesTableTextBlock" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ScheduleOfAccountsPayableAndAccruedLiabilitiesTableTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Accounts Payable and Accrued Liabilities [Table Text Block] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfAccountsPayableAndAccruedLiabilitiesTableTextBlock" xlink:to="us-gaap_ScheduleOfAccountsPayableAndAccruedLiabilitiesTableTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfQuarterlyFinancialInformationTableTextBlock" xlink:label="us-gaap_ScheduleOfQuarterlyFinancialInformationTableTextBlock" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ScheduleOfQuarterlyFinancialInformationTableTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Quarterly Financial Information [Table Text Block] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfQuarterlyFinancialInformationTableTextBlock" xlink:to="us-gaap_ScheduleOfQuarterlyFinancialInformationTableTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FinanceLeaseInterestExpense" xlink:label="us-gaap_FinanceLeaseInterestExpense" xlink:type="locator"/>

<link:label xlink:label="us-gaap_FinanceLeaseInterestExpense-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Interest on lease liabilities </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseInterestExpense" xlink:to="us-gaap_FinanceLeaseInterestExpense-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_OtherContractRightsMember" xlink:label="ora_OtherContractRightsMember" xlink:type="locator"/>

<link:label xlink:label="ora_OtherContractRightsMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Contract Rights [Member] </link:label>

<link:label xlink:label="ora_OtherContractRightsMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Related to other contract rights. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_OtherContractRightsMember" xlink:to="ora_OtherContractRightsMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfIncomeBeforeIncomeTaxDomesticAndForeignTableTextBlock" xlink:label="us-gaap_ScheduleOfIncomeBeforeIncomeTaxDomesticAndForeignTableTextBlock" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ScheduleOfIncomeBeforeIncomeTaxDomesticAndForeignTableTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfIncomeBeforeIncomeTaxDomesticAndForeignTableTextBlock" xlink:to="us-gaap_ScheduleOfIncomeBeforeIncomeTaxDomesticAndForeignTableTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDue" xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDue" xlink:type="locator"/>

<link:label xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDue-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_FinanceLeaseLiabilityPaymentsDue </link:label>

<link:label xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDue-label" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total future minimum lease payments, finance leases </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseLiabilityPaymentsDue" xlink:to="us-gaap_FinanceLeaseLiabilityPaymentsDue-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_DerivativesCashCollateralDeposits" xlink:label="ora_DerivativesCashCollateralDeposits" xlink:type="locator"/>

<link:label xlink:label="ora_DerivativesCashCollateralDeposits-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_DerivativesCashCollateralDeposits </link:label>

<link:label xlink:label="ora_DerivativesCashCollateralDeposits-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Derivatives, Cash Collateral Deposits </link:label>

<link:label xlink:label="ora_DerivativesCashCollateralDeposits-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The amount of derivative cash collateral deposits. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_DerivativesCashCollateralDeposits" xlink:to="ora_DerivativesCashCollateralDeposits-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FinanceLeaseRightOfUseAssetAmortization" xlink:label="us-gaap_FinanceLeaseRightOfUseAssetAmortization" xlink:type="locator"/>

<link:label xlink:label="us-gaap_FinanceLeaseRightOfUseAssetAmortization-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Amortization of right-of-use assets </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseRightOfUseAssetAmortization" xlink:to="us-gaap_FinanceLeaseRightOfUseAssetAmortization-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive" xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive" xlink:type="locator"/>

<link:label xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive </link:label>

<link:label xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2025, finance leases </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive" xlink:to="us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock" xlink:label="us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock" xlink:to="us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive" xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive" xlink:type="locator"/>

<link:label xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive </link:label>

<link:label xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Thereafter, finance leases </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive" xlink:to="us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock" xlink:label="us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Deferred Tax Assets and Liabilities [Table Text Block] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock" xlink:to="us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_LongtermEnergyStorageResourceAdequacyAgreementMember" xlink:label="ora_LongtermEnergyStorageResourceAdequacyAgreementMember" xlink:type="locator"/>

<link:label xlink:label="ora_LongtermEnergyStorageResourceAdequacyAgreementMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long-term Energy Storage Resource Adequacy Agreement [Member] </link:label>

<link:label xlink:label="ora_LongtermEnergyStorageResourceAdequacyAgreementMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Related to a long-term energy storage resource adequacy agreement. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_LongtermEnergyStorageResourceAdequacyAgreementMember" xlink:to="ora_LongtermEnergyStorageResourceAdequacyAgreementMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock" xlink:label="us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock" xlink:to="us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount" xlink:label="us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount" xlink:type="locator"/>

<link:label xlink:label="us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Less imputed interest, finance leases </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount" xlink:to="us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_IncomeTaxExaminationDeferralOfTaxBenefits" xlink:label="ora_IncomeTaxExaminationDeferralOfTaxBenefits" xlink:type="locator"/>

<link:label xlink:label="ora_IncomeTaxExaminationDeferralOfTaxBenefits-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_IncomeTaxExaminationDeferralOfTaxBenefits </link:label>

<link:label xlink:label="ora_IncomeTaxExaminationDeferralOfTaxBenefits-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Income Tax Examination, Deferral of Tax Benefits </link:label>

<link:label xlink:label="ora_IncomeTaxExaminationDeferralOfTaxBenefits-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The amount of deferral of tax benefits from income tax examinations. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_IncomeTaxExaminationDeferralOfTaxBenefits" xlink:to="ora_IncomeTaxExaminationDeferralOfTaxBenefits-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths" xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths" xlink:type="locator"/>

<link:label xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths </link:label>

<link:label xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2021, finance leases </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths" xlink:to="us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo" xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo" xlink:type="locator"/>

<link:label xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo </link:label>

<link:label xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2022, finance leases </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo" xlink:to="us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree" xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree" xlink:type="locator"/>

<link:label xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree </link:label>

<link:label xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2023, finance leases </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree" xlink:to="us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour" xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour" xlink:type="locator"/>

<link:label xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour </link:label>

<link:label xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2024, finance leases </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour" xlink:to="us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LossOnContractTermination" xlink:label="us-gaap_LossOnContractTermination" xlink:type="locator"/>

<link:label xlink:label="us-gaap_LossOnContractTermination-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_LossOnContractTermination </link:label>

<link:label xlink:label="us-gaap_LossOnContractTermination-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Loss on Contract Termination </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LossOnContractTermination" xlink:to="us-gaap_LossOnContractTermination-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LongTermContractsOrProgramsDisclosureTextBlock" xlink:label="us-gaap_LongTermContractsOrProgramsDisclosureTextBlock" xlink:type="locator"/>

<link:label xlink:label="us-gaap_LongTermContractsOrProgramsDisclosureTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long-term Contracts or Programs Disclosure [Text Block] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermContractsOrProgramsDisclosureTextBlock" xlink:to="us-gaap_LongTermContractsOrProgramsDisclosureTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTableTextBlock" xlink:label="us-gaap_FairValueLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTableTextBlock" xlink:type="locator"/>

<link:label xlink:label="us-gaap_FairValueLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTableTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Fair Value, Liabilities Measured on Recurring and Nonrecurring Basis [Table Text Block] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTableTextBlock" xlink:to="us-gaap_FairValueLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTableTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsForeign" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsForeign" xlink:type="locator"/>

<link:label xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsForeign-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsForeign </link:label>

<link:label xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsForeign-label" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Foreign tax credits </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsForeign" xlink:to="us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsForeign-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FinanceLeaseWeightedAverageDiscountRatePercent" xlink:label="us-gaap_FinanceLeaseWeightedAverageDiscountRatePercent" xlink:type="locator"/>

<link:label xlink:label="us-gaap_FinanceLeaseWeightedAverageDiscountRatePercent-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_FinanceLeaseWeightedAverageDiscountRatePercent </link:label>

<link:label xlink:label="us-gaap_FinanceLeaseWeightedAverageDiscountRatePercent-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Finance Lease, Weighted Average Discount Rate, Percent </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseWeightedAverageDiscountRatePercent" xlink:to="us-gaap_FinanceLeaseWeightedAverageDiscountRatePercent-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes" xlink:type="locator"/>

<link:label xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> State income tax, net of federal benefit </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes" xlink:to="us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessCombinationAcquisitionOfLessThan100PercentNoncontrollingInterestFairValue" xlink:label="us-gaap_BusinessCombinationAcquisitionOfLessThan100PercentNoncontrollingInterestFairValue" xlink:type="locator"/>

<link:label xlink:label="us-gaap_BusinessCombinationAcquisitionOfLessThan100PercentNoncontrollingInterestFairValue-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_BusinessCombinationAcquisitionOfLessThan100PercentNoncontrollingInterestFairValue </link:label>

<link:label xlink:label="us-gaap_BusinessCombinationAcquisitionOfLessThan100PercentNoncontrollingInterestFairValue-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Business Combination, Acquisition of Less than 100 Percent, Noncontrolling Interest, Fair Value </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessCombinationAcquisitionOfLessThan100PercentNoncontrollingInterestFairValue" xlink:to="us-gaap_BusinessCombinationAcquisitionOfLessThan100PercentNoncontrollingInterestFairValue-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential" xlink:type="locator"/>

<link:label xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Effect of foreign income tax, net </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential" xlink:to="us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FinanceLeaseWeightedAverageRemainingLeaseTerm1" xlink:label="us-gaap_FinanceLeaseWeightedAverageRemainingLeaseTerm1" xlink:type="locator"/>

<link:label xlink:label="us-gaap_FinanceLeaseWeightedAverageRemainingLeaseTerm1-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Weighted-average remaining lease term — finance leases (in years) (Year) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseWeightedAverageRemainingLeaseTerm1" xlink:to="us-gaap_FinanceLeaseWeightedAverageRemainingLeaseTerm1-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DividendPayableDateToBePaidDayMonthAndYear" xlink:label="us-gaap_DividendPayableDateToBePaidDayMonthAndYear" xlink:type="locator"/>

<link:label xlink:label="us-gaap_DividendPayableDateToBePaidDayMonthAndYear-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_DividendPayableDateToBePaidDayMonthAndYear </link:label>

<link:label xlink:label="us-gaap_DividendPayableDateToBePaidDayMonthAndYear-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Dividends Payable, Date to be Paid </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DividendPayableDateToBePaidDayMonthAndYear" xlink:to="us-gaap_DividendPayableDateToBePaidDayMonthAndYear-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PaymentsForProceedsFromOtherInvestingActivities" xlink:label="us-gaap_PaymentsForProceedsFromOtherInvestingActivities" xlink:type="locator"/>

<link:label xlink:label="us-gaap_PaymentsForProceedsFromOtherInvestingActivities-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_PaymentsForProceedsFromOtherInvestingActivities </link:label>

<link:label xlink:label="us-gaap_PaymentsForProceedsFromOtherInvestingActivities-label" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Other investing activities </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsForProceedsFromOtherInvestingActivities" xlink:to="us-gaap_PaymentsForProceedsFromOtherInvestingActivities-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:type="locator"/>

<link:label xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Cash flows from financing activities: </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:to="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_ProceedsFromSaleOfMembershipInterestToNoncontrollingInterest" xlink:label="ora_ProceedsFromSaleOfMembershipInterestToNoncontrollingInterest" xlink:type="locator"/>

<link:label xlink:label="ora_ProceedsFromSaleOfMembershipInterestToNoncontrollingInterest-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Proceeds from sale of membership interests to noncontrolling interest, net of transaction costs </link:label>

<link:label xlink:label="ora_ProceedsFromSaleOfMembershipInterestToNoncontrollingInterest-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The amount of cash inflow from the sale of membership interest to noncontrolling interest. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_ProceedsFromSaleOfMembershipInterestToNoncontrollingInterest" xlink:to="ora_ProceedsFromSaleOfMembershipInterestToNoncontrollingInterest-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate" xlink:type="locator"/>

<link:label xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> U.S. federal statutory tax rate </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate" xlink:to="us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DividendsPayableDateOfRecordDayMonthAndYear" xlink:label="us-gaap_DividendsPayableDateOfRecordDayMonthAndYear" xlink:type="locator"/>

<link:label xlink:label="us-gaap_DividendsPayableDateOfRecordDayMonthAndYear-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_DividendsPayableDateOfRecordDayMonthAndYear </link:label>

<link:label xlink:label="us-gaap_DividendsPayableDateOfRecordDayMonthAndYear-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Dividends Payable, Date of Record </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DividendsPayableDateOfRecordDayMonthAndYear" xlink:to="us-gaap_DividendsPayableDateOfRecordDayMonthAndYear-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_LoanAgreementWithBancoIndustrialSAAndWestrustBankInternationalLimited1Member" xlink:label="ora_LoanAgreementWithBancoIndustrialSAAndWestrustBankInternationalLimited1Member" xlink:type="locator"/>

<link:label xlink:label="ora_LoanAgreementWithBancoIndustrialSAAndWestrustBankInternationalLimited1Member-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Loan Agreement with Banco Industrial S.A. and Westrust Bank (International) Limited1 [Member] </link:label>

<link:label xlink:label="ora_LoanAgreementWithBancoIndustrialSAAndWestrustBankInternationalLimited1Member-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the loan agreement made with Banco Industrial S.A. and Westrust Bank (International) Limited. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_LoanAgreementWithBancoIndustrialSAAndWestrustBankInternationalLimited1Member" xlink:to="ora_LoanAgreementWithBancoIndustrialSAAndWestrustBankInternationalLimited1Member-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_OlkariaIIIDEGMember" xlink:label="ora_OlkariaIIIDEGMember" xlink:type="locator"/>

<link:label xlink:label="ora_OlkariaIIIDEGMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Olkaria III DEG [Member] </link:label>

<link:label xlink:label="ora_OlkariaIIIDEGMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents information pertaining to loan agreements with DEG (the Olkaria II Complex). </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_OlkariaIIIDEGMember" xlink:to="ora_OlkariaIIIDEGMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_OlkariaIIIOPICMember" xlink:label="ora_OlkariaIIIOPICMember" xlink:type="locator"/>

<link:label xlink:label="ora_OlkariaIIIOPICMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Olkaria III OPIC [Member] </link:label>

<link:label xlink:label="ora_OlkariaIIIOPICMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The name or description of the debt instrument. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_OlkariaIIIOPICMember" xlink:to="ora_OlkariaIIIOPICMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_LimitedAndNonrecourseDebtNoncurrent" xlink:label="ora_LimitedAndNonrecourseDebtNoncurrent" xlink:type="locator"/>

<link:label xlink:label="ora_LimitedAndNonrecourseDebtNoncurrent-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_LimitedAndNonrecourseDebtNoncurrent </link:label>

<link:label xlink:label="ora_LimitedAndNonrecourseDebtNoncurrent-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Non current portion </link:label>

<link:label xlink:label="ora_LimitedAndNonrecourseDebtNoncurrent-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The amount of limited and non-recourse debt classified as noncurrent. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_LimitedAndNonrecourseDebtNoncurrent" xlink:to="ora_LimitedAndNonrecourseDebtNoncurrent-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet" xlink:type="locator"/>

<link:label xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet </link:label>

<link:label xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet-label" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total assets acquired and liabilities assumed, net </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet" xlink:to="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities" xlink:type="locator"/>

<link:label xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities </link:label>

<link:label xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities-label" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Liabilities assumed </link:label>

<link:label xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities-label" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="resource" xml:lang="en-US"> Total liabilities assumed </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities" xlink:to="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:label="us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:type="locator"/>

<link:label xlink:label="us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired </link:label>

<link:label xlink:label="us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired-label" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Cash paid for acquisition of a business, net of cash acquired </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:to="us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesLongTermDebt" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesLongTermDebt" xlink:type="locator"/>

<link:label xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesLongTermDebt-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesLongTermDebt </link:label>

<link:label xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesLongTermDebt-label" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Long-term term debt </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesLongTermDebt" xlink:to="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesLongTermDebt-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PaymentsToAcquireEquityMethodInvestments" xlink:label="us-gaap_PaymentsToAcquireEquityMethodInvestments" xlink:type="locator"/>

<link:label xlink:label="us-gaap_PaymentsToAcquireEquityMethodInvestments-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_PaymentsToAcquireEquityMethodInvestments </link:label>

<link:label xlink:label="us-gaap_PaymentsToAcquireEquityMethodInvestments-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Payments to Acquire Equity Method Investments </link:label>

<link:label xlink:label="us-gaap_PaymentsToAcquireEquityMethodInvestments-label" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Investment in unconsolidated companies </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsToAcquireEquityMethodInvestments" xlink:to="us-gaap_PaymentsToAcquireEquityMethodInvestments-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_OtherComprehensiveIncomeLossUnrealizedGainsLossesInDerivativeInstrumentsOfUnconsolidatedInvestments" xlink:label="ora_OtherComprehensiveIncomeLossUnrealizedGainsLossesInDerivativeInstrumentsOfUnconsolidatedInvestments" xlink:type="locator"/>

<link:label xlink:label="ora_OtherComprehensiveIncomeLossUnrealizedGainsLossesInDerivativeInstrumentsOfUnconsolidatedInvestments-label" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Change in unrealized gains or losses in respect of the Company's share in derivative instruments of unconsolidated investment </link:label>

<link:label xlink:label="ora_OtherComprehensiveIncomeLossUnrealizedGainsLossesInDerivativeInstrumentsOfUnconsolidatedInvestments-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Change in unrealized gains or losses in respect of the Company's share in derivatives instruments of unconsolidated investment </link:label>

<link:label xlink:label="ora_OtherComprehensiveIncomeLossUnrealizedGainsLossesInDerivativeInstrumentsOfUnconsolidatedInvestments-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The amount of other comprehensive income (loss) from unrealized gains (losses) in derivative instruments of unconsolidated investments. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_OtherComprehensiveIncomeLossUnrealizedGainsLossesInDerivativeInstrumentsOfUnconsolidatedInvestments" xlink:to="ora_OtherComprehensiveIncomeLossUnrealizedGainsLossesInDerivativeInstrumentsOfUnconsolidatedInvestments-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="us-gaap_StatementClassOfStockAxis" xlink:type="locator"/>

<link:label xlink:label="us-gaap_StatementClassOfStockAxis-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Class of Stock [Axis] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementClassOfStockAxis" xlink:to="us-gaap_StatementClassOfStockAxis-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PaymentsToAcquireBusinessesGross" xlink:label="us-gaap_PaymentsToAcquireBusinessesGross" xlink:type="locator"/>

<link:label xlink:label="us-gaap_PaymentsToAcquireBusinessesGross-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_PaymentsToAcquireBusinessesGross </link:label>

<link:label xlink:label="us-gaap_PaymentsToAcquireBusinessesGross-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Payments to Acquire Businesses, Gross </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsToAcquireBusinessesGross" xlink:to="us-gaap_PaymentsToAcquireBusinessesGross-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_LoanAgreementWithBancoIndustrialSAAndWestrustBankInternationalLimitedMember" xlink:label="ora_LoanAgreementWithBancoIndustrialSAAndWestrustBankInternationalLimitedMember" xlink:type="locator"/>

<link:label xlink:label="ora_LoanAgreementWithBancoIndustrialSAAndWestrustBankInternationalLimitedMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Loan Agreement with Banco Industrial S.A. and Westrust Bank (International) Limited [Member] </link:label>

<link:label xlink:label="ora_LoanAgreementWithBancoIndustrialSAAndWestrustBankInternationalLimitedMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the loan agreement with Banco Industrial S.A. an Westrust Bank (International) Limited. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_LoanAgreementWithBancoIndustrialSAAndWestrustBankInternationalLimitedMember" xlink:to="ora_LoanAgreementWithBancoIndustrialSAAndWestrustBankInternationalLimitedMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_BusinessInterruptionInsuranceRecoveryGross" xlink:label="ora_BusinessInterruptionInsuranceRecoveryGross" xlink:type="locator"/>

<link:label xlink:label="ora_BusinessInterruptionInsuranceRecoveryGross-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_BusinessInterruptionInsuranceRecoveryGross </link:label>

<link:label xlink:label="ora_BusinessInterruptionInsuranceRecoveryGross-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Business Interruption Insurance Recovery, Gross </link:label>

<link:label xlink:label="ora_BusinessInterruptionInsuranceRecoveryGross-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The gross amount of business interruption insurance recovery. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_BusinessInterruptionInsuranceRecoveryGross" xlink:to="ora_BusinessInterruptionInsuranceRecoveryGross-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets" xlink:type="locator"/>

<link:label xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets </link:label>

<link:label xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets-label" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total assets acquired </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets" xlink:to="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredTaxAssetInterestCarryforward" xlink:label="us-gaap_DeferredTaxAssetInterestCarryforward" xlink:type="locator"/>

<link:label xlink:label="us-gaap_DeferredTaxAssetInterestCarryforward-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Excess business interest </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxAssetInterestCarryforward" xlink:to="us-gaap_DeferredTaxAssetInterestCarryforward-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfWeightedAverageNumberOfSharesTableTextBlock" xlink:label="us-gaap_ScheduleOfWeightedAverageNumberOfSharesTableTextBlock" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ScheduleOfWeightedAverageNumberOfSharesTableTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Weighted Average Number of Shares [Table Text Block] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfWeightedAverageNumberOfSharesTableTextBlock" xlink:to="us-gaap_ScheduleOfWeightedAverageNumberOfSharesTableTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxAssets" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxAssets" xlink:type="locator"/>

<link:label xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxAssets-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Deferred taxes </link:label>

<link:label xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxAssets-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Business Combination Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Assets </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxAssets" xlink:to="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxAssets-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfDerivativeInstrumentsEffectOnOtherComprehensiveIncomeLossTableTextBlock" xlink:label="us-gaap_ScheduleOfDerivativeInstrumentsEffectOnOtherComprehensiveIncomeLossTableTextBlock" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ScheduleOfDerivativeInstrumentsEffectOnOtherComprehensiveIncomeLossTableTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Derivative Instruments, Effect on Other Comprehensive Income (Loss) [Table Text Block] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfDerivativeInstrumentsEffectOnOtherComprehensiveIncomeLossTableTextBlock" xlink:to="us-gaap_ScheduleOfDerivativeInstrumentsEffectOnOtherComprehensiveIncomeLossTableTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles" xlink:type="locator"/>

<link:label xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles </link:label>

<link:label xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles" xlink:to="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill" xlink:type="locator"/>

<link:label xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Intangible assets (1) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill" xlink:to="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables" xlink:type="locator"/>

<link:label xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Trade and other receivables </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables" xlink:to="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeTaxDisclosureTextBlock" xlink:label="us-gaap_IncomeTaxDisclosureTextBlock" xlink:type="locator"/>

<link:label xlink:label="us-gaap_IncomeTaxDisclosureTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income Tax Disclosure [Text Block] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxDisclosureTextBlock" xlink:to="us-gaap_IncomeTaxDisclosureTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock" xlink:label="us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Maturities of Long-term Debt [Table Text Block] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock" xlink:to="us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfCarryingValuesAndEstimatedFairValuesOfDebtInstrumentsTableTextBlock" xlink:label="us-gaap_ScheduleOfCarryingValuesAndEstimatedFairValuesOfDebtInstrumentsTableTextBlock" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ScheduleOfCarryingValuesAndEstimatedFairValuesOfDebtInstrumentsTableTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Carrying Values and Estimated Fair Values of Debt Instruments [Table Text Block] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfCarryingValuesAndEstimatedFairValuesOfDebtInstrumentsTableTextBlock" xlink:to="us-gaap_ScheduleOfCarryingValuesAndEstimatedFairValuesOfDebtInstrumentsTableTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_GuaranteedMember" xlink:label="ora_GuaranteedMember" xlink:type="locator"/>

<link:label xlink:label="ora_GuaranteedMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Guaranteed [Member] </link:label>

<link:label xlink:label="ora_GuaranteedMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the guaranty of the loan. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_GuaranteedMember" xlink:to="ora_GuaranteedMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_NotGuaranteedMember" xlink:label="ora_NotGuaranteedMember" xlink:type="locator"/>

<link:label xlink:label="ora_NotGuaranteedMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Not Guaranteed [Member] </link:label>

<link:label xlink:label="ora_NotGuaranteedMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the loan not being guaranteed. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_NotGuaranteedMember" xlink:to="ora_NotGuaranteedMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessCombinationConsiderationTransferred1" xlink:label="us-gaap_BusinessCombinationConsiderationTransferred1" xlink:type="locator"/>

<link:label xlink:label="us-gaap_BusinessCombinationConsiderationTransferred1-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_BusinessCombinationConsiderationTransferred1 </link:label>

<link:label xlink:label="us-gaap_BusinessCombinationConsiderationTransferred1-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Business Combination, Consideration Transferred, Total </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessCombinationConsiderationTransferred1" xlink:to="us-gaap_BusinessCombinationConsiderationTransferred1-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_GeothermalAndRecoveredEnergyGenerationPowerPlantsMember" xlink:label="ora_GeothermalAndRecoveredEnergyGenerationPowerPlantsMember" xlink:type="locator"/>

<link:label xlink:label="ora_GeothermalAndRecoveredEnergyGenerationPowerPlantsMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Geothermal And Recovered Energy Generation Power Plants [Member] </link:label>

<link:label xlink:label="ora_GeothermalAndRecoveredEnergyGenerationPowerPlantsMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The type or description of the type of property plant and equipment. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_GeothermalAndRecoveredEnergyGenerationPowerPlantsMember" xlink:to="ora_GeothermalAndRecoveredEnergyGenerationPowerPlantsMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax" xlink:type="locator"/>

<link:label xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax </link:label>

<link:label xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accumulated Other Comprehensive Income (Loss), Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges, Effect Net of Tax, Ending Balance </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax" xlink:to="us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife" xlink:label="us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife" xlink:type="locator"/>

<link:label xlink:label="us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife </link:label>

<link:label xlink:label="us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Acquired Finite-lived Intangible Assets, Weighted Average Useful Life (Year) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife" xlink:to="us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock" xlink:label="us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock" xlink:to="us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationStockOptionsAndStockAppreciationRightsAwardActivityTableTextBlock" xlink:label="us-gaap_ScheduleOfShareBasedCompensationStockOptionsAndStockAppreciationRightsAwardActivityTableTextBlock" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ScheduleOfShareBasedCompensationStockOptionsAndStockAppreciationRightsAwardActivityTableTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Payment Arrangement, Option and Stock Appreciation Rights, Activity [Table Text Block] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfShareBasedCompensationStockOptionsAndStockAppreciationRightsAwardActivityTableTextBlock" xlink:to="us-gaap_ScheduleOfShareBasedCompensationStockOptionsAndStockAppreciationRightsAwardActivityTableTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired" xlink:label="us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired" xlink:type="locator"/>

<link:label xlink:label="us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired </link:label>

<link:label xlink:label="us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Business Acquisition, Percentage of Voting Interests Acquired </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired" xlink:to="us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessCombinationProFormaInformationRevenueOfAcquireeSinceAcquisitionDateActual" xlink:label="us-gaap_BusinessCombinationProFormaInformationRevenueOfAcquireeSinceAcquisitionDateActual" xlink:type="locator"/>

<link:label xlink:label="us-gaap_BusinessCombinationProFormaInformationRevenueOfAcquireeSinceAcquisitionDateActual-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_BusinessCombinationProFormaInformationRevenueOfAcquireeSinceAcquisitionDateActual </link:label>

<link:label xlink:label="us-gaap_BusinessCombinationProFormaInformationRevenueOfAcquireeSinceAcquisitionDateActual-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessCombinationProFormaInformationRevenueOfAcquireeSinceAcquisitionDateActual" xlink:to="us-gaap_BusinessCombinationProFormaInformationRevenueOfAcquireeSinceAcquisitionDateActual-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessCombinationProFormaInformationEarningsOrLossOfAcquireeSinceAcquisitionDateActual" xlink:label="us-gaap_BusinessCombinationProFormaInformationEarningsOrLossOfAcquireeSinceAcquisitionDateActual" xlink:type="locator"/>

<link:label xlink:label="us-gaap_BusinessCombinationProFormaInformationEarningsOrLossOfAcquireeSinceAcquisitionDateActual-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_BusinessCombinationProFormaInformationEarningsOrLossOfAcquireeSinceAcquisitionDateActual </link:label>

<link:label xlink:label="us-gaap_BusinessCombinationProFormaInformationEarningsOrLossOfAcquireeSinceAcquisitionDateActual-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Business Combination, Pro Forma Information, Earnings or Loss of Acquiree since Acquisition Date, Actual </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessCombinationProFormaInformationEarningsOrLossOfAcquireeSinceAcquisitionDateActual" xlink:to="us-gaap_BusinessCombinationProFormaInformationEarningsOrLossOfAcquireeSinceAcquisitionDateActual-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessAcquisitionProFormaInformationTextBlock" xlink:label="us-gaap_BusinessAcquisitionProFormaInformationTextBlock" xlink:type="locator"/>

<link:label xlink:label="us-gaap_BusinessAcquisitionProFormaInformationTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Business Acquisition, Pro Forma Information [Table Text Block] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessAcquisitionProFormaInformationTextBlock" xlink:to="us-gaap_BusinessAcquisitionProFormaInformationTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfExpectedBenefitPaymentsTableTextBlock" xlink:label="us-gaap_ScheduleOfExpectedBenefitPaymentsTableTextBlock" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ScheduleOfExpectedBenefitPaymentsTableTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Expected Benefit Payments [Table Text Block] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfExpectedBenefitPaymentsTableTextBlock" xlink:to="us-gaap_ScheduleOfExpectedBenefitPaymentsTableTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessAcquisitionsProFormaRevenue" xlink:label="us-gaap_BusinessAcquisitionsProFormaRevenue" xlink:type="locator"/>

<link:label xlink:label="us-gaap_BusinessAcquisitionsProFormaRevenue-label" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Business Acquisition, Pro Forma Revenue </link:label>

<link:label xlink:label="us-gaap_BusinessAcquisitionsProFormaRevenue-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_BusinessAcquisitionsProFormaRevenue </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessAcquisitionsProFormaRevenue" xlink:to="us-gaap_BusinessAcquisitionsProFormaRevenue-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PaymentsToAcquireProjects" xlink:label="us-gaap_PaymentsToAcquireProjects" xlink:type="locator"/>

<link:label xlink:label="us-gaap_PaymentsToAcquireProjects-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_PaymentsToAcquireProjects </link:label>

<link:label xlink:label="us-gaap_PaymentsToAcquireProjects-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Payments to Acquire Projects </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsToAcquireProjects" xlink:to="us-gaap_PaymentsToAcquireProjects-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfGoodwillTextBlock" xlink:label="us-gaap_ScheduleOfGoodwillTextBlock" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ScheduleOfGoodwillTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Goodwill [Table Text Block] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfGoodwillTextBlock" xlink:to="us-gaap_ScheduleOfGoodwillTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CreditFacilityAxis" xlink:label="us-gaap_CreditFacilityAxis" xlink:type="locator"/>

<link:label xlink:label="us-gaap_CreditFacilityAxis-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Credit Facility [Axis] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CreditFacilityAxis" xlink:to="us-gaap_CreditFacilityAxis-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CreditFacilityDomain" xlink:label="us-gaap_CreditFacilityDomain" xlink:type="locator"/>

<link:label xlink:label="us-gaap_CreditFacilityDomain-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Credit Facility [Domain] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CreditFacilityDomain" xlink:to="us-gaap_CreditFacilityDomain-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfRecognizedIdentifiedAssetsAcquiredAndLiabilitiesAssumedTableTextBlock" xlink:label="us-gaap_ScheduleOfRecognizedIdentifiedAssetsAcquiredAndLiabilitiesAssumedTableTextBlock" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ScheduleOfRecognizedIdentifiedAssetsAcquiredAndLiabilitiesAssumedTableTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfRecognizedIdentifiedAssetsAcquiredAndLiabilitiesAssumedTableTextBlock" xlink:to="us-gaap_ScheduleOfRecognizedIdentifiedAssetsAcquiredAndLiabilitiesAssumedTableTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfAssetRetirementObligationsTableTextBlock" xlink:label="us-gaap_ScheduleOfAssetRetirementObligationsTableTextBlock" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ScheduleOfAssetRetirementObligationsTableTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Asset Retirement Obligations [Table Text Block] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfAssetRetirementObligationsTableTextBlock" xlink:to="us-gaap_ScheduleOfAssetRetirementObligationsTableTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_HSBCBankUSANAMember" xlink:label="ora_HSBCBankUSANAMember" xlink:type="locator"/>

<link:label xlink:label="ora_HSBCBankUSANAMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> HSBC Bank USA, N.A. [Member] </link:label>

<link:label xlink:label="ora_HSBCBankUSANAMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the HSBC Bank USA, N.A. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_HSBCBankUSANAMember" xlink:to="ora_HSBCBankUSANAMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:type="locator"/>

<link:label xlink:label="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment-label" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Expenditures for long-lived assets </link:label>

<link:label xlink:label="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_PaymentsToAcquirePropertyPlantAndEquipment </link:label>

<link:label xlink:label="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment-label" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Capital expenditures </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:to="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements" xlink:label="us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements" xlink:type="locator"/>

<link:label xlink:label="us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Additional shares from the assumed exercise of employee stock options (in shares) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements" xlink:to="us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeTaxesPaidNet" xlink:label="us-gaap_IncomeTaxesPaidNet" xlink:type="locator"/>

<link:label xlink:label="us-gaap_IncomeTaxesPaidNet-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income taxes, net </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxesPaidNet" xlink:to="us-gaap_IncomeTaxesPaidNet-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_DepositsAndOtherAssetsNoncurrent" xlink:label="ora_DepositsAndOtherAssetsNoncurrent" xlink:type="locator"/>

<link:label xlink:label="ora_DepositsAndOtherAssetsNoncurrent-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Deposits and other </link:label>

<link:label xlink:label="ora_DepositsAndOtherAssetsNoncurrent-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Deposits And Other Assets Noncurrent </link:label>

<link:label xlink:label="ora_DepositsAndOtherAssetsNoncurrent-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Noncurrent Deposits And Other Assets. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_DepositsAndOtherAssetsNoncurrent" xlink:to="ora_DepositsAndOtherAssetsNoncurrent-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_InvestmentInUnconsolidatedCompaniesInExcessOfAccumulatedLosses" xlink:label="ora_InvestmentInUnconsolidatedCompaniesInExcessOfAccumulatedLosses" xlink:type="locator"/>

<link:label xlink:label="ora_InvestmentInUnconsolidatedCompaniesInExcessOfAccumulatedLosses-label" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Investment in unconsolidated companies </link:label>

<link:label xlink:label="ora_InvestmentInUnconsolidatedCompaniesInExcessOfAccumulatedLosses-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Total investment in unconsolidated companies </link:label>

<link:label xlink:label="ora_InvestmentInUnconsolidatedCompaniesInExcessOfAccumulatedLosses-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the amount of investment in unconsolidated companies in excess of accumulated losses, as of the balance sheet date. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_InvestmentInUnconsolidatedCompaniesInExcessOfAccumulatedLosses" xlink:to="ora_InvestmentInUnconsolidatedCompaniesInExcessOfAccumulatedLosses-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_SeniorManagementMember" xlink:label="ora_SeniorManagementMember" xlink:type="locator"/>

<link:label xlink:label="ora_SeniorManagementMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Senior Management [Member] </link:label>

<link:label xlink:label="ora_SeniorManagementMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents senior management. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_SeniorManagementMember" xlink:to="ora_SeniorManagementMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_DeferredFinancingAndLeaseCosts" xlink:label="ora_DeferredFinancingAndLeaseCosts" xlink:type="locator"/>

<link:label xlink:label="ora_DeferredFinancingAndLeaseCosts-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Deferred financing and lease costs, net </link:label>

<link:label xlink:label="ora_DeferredFinancingAndLeaseCosts-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Deferred financing and lease costs. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_DeferredFinancingAndLeaseCosts" xlink:to="ora_DeferredFinancingAndLeaseCosts-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_CurrentPortionOfLongTermDebtWithFullRecourse" xlink:label="ora_CurrentPortionOfLongTermDebtWithFullRecourse" xlink:type="locator"/>

<link:label xlink:label="ora_CurrentPortionOfLongTermDebtWithFullRecourse-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Full recourse </link:label>

<link:label xlink:label="ora_CurrentPortionOfLongTermDebtWithFullRecourse-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The current portion of the aggregate amount of long-term liabilities that incurred by the Company or its subsidiaries for general corporate purposes and, which is expected to be paid within one year from the date of the balance sheet. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_CurrentPortionOfLongTermDebtWithFullRecourse" xlink:to="ora_CurrentPortionOfLongTermDebtWithFullRecourse-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_LiabilityAssociatedWithSaleOfTaxBenefits" xlink:label="ora_LiabilityAssociatedWithSaleOfTaxBenefits" xlink:type="locator"/>

<link:label xlink:label="ora_LiabilityAssociatedWithSaleOfTaxBenefits-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Liability associated with sale of tax benefits </link:label>

<link:label xlink:label="ora_LiabilityAssociatedWithSaleOfTaxBenefits-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Liability associated with sale of tax benefits. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_LiabilityAssociatedWithSaleOfTaxBenefits" xlink:to="ora_LiabilityAssociatedWithSaleOfTaxBenefits-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_IncomeAttributableToSaleOfEquityInterestsNetOfInterestExpense" xlink:label="ora_IncomeAttributableToSaleOfEquityInterestsNetOfInterestExpense" xlink:type="locator"/>

<link:label xlink:label="ora_IncomeAttributableToSaleOfEquityInterestsNetOfInterestExpense-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_IncomeAttributableToSaleOfEquityInterestsNetOfInterestExpense </link:label>

<link:label xlink:label="ora_IncomeAttributableToSaleOfEquityInterestsNetOfInterestExpense-label" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Income attributable to sale of tax benefits, net of interest expense </link:label>

<link:label xlink:label="ora_IncomeAttributableToSaleOfEquityInterestsNetOfInterestExpense-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Income attributable to sale of equity interests net of interest expense. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_IncomeAttributableToSaleOfEquityInterestsNetOfInterestExpense" xlink:to="ora_IncomeAttributableToSaleOfEquityInterestsNetOfInterestExpense-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SupplementalCashFlowInformationAbstract" xlink:label="us-gaap_SupplementalCashFlowInformationAbstract" xlink:type="locator"/>

<link:label xlink:label="us-gaap_SupplementalCashFlowInformationAbstract-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Supplemental disclosure of cash flow information: </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SupplementalCashFlowInformationAbstract" xlink:to="us-gaap_SupplementalCashFlowInformationAbstract-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LongTermDebtFairValue" xlink:label="us-gaap_LongTermDebtFairValue" xlink:type="locator"/>

<link:label xlink:label="us-gaap_LongTermDebtFairValue-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Senior Unsecured debt </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtFairValue" xlink:to="us-gaap_LongTermDebtFairValue-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_FormerLocalSalesRepresentativeVsOrmatMember" xlink:label="ora_FormerLocalSalesRepresentativeVsOrmatMember" xlink:type="locator"/>

<link:label xlink:label="ora_FormerLocalSalesRepresentativeVsOrmatMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Former Local Sales Representative vs. Ormat [Member] </link:label>

<link:label xlink:label="ora_FormerLocalSalesRepresentativeVsOrmatMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents a former local sales representative vs. Ormat. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_FormerLocalSalesRepresentativeVsOrmatMember" xlink:to="ora_FormerLocalSalesRepresentativeVsOrmatMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShorttermDebtFairValue" xlink:label="us-gaap_ShorttermDebtFairValue" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ShorttermDebtFairValue-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_ShorttermDebtFairValue </link:label>

<link:label xlink:label="us-gaap_ShorttermDebtFairValue-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Commercial paper </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShorttermDebtFairValue" xlink:to="us-gaap_ShorttermDebtFairValue-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_LossContingencyAdditionalDamagesSoughtForOrmatGeothermalProductsSalesInChilePercent" xlink:label="ora_LossContingencyAdditionalDamagesSoughtForOrmatGeothermalProductsSalesInChilePercent" xlink:type="locator"/>

<link:label xlink:label="ora_LossContingencyAdditionalDamagesSoughtForOrmatGeothermalProductsSalesInChilePercent-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_LossContingencyAdditionalDamagesSoughtForOrmatGeothermalProductsSalesInChilePercent </link:label>

<link:label xlink:label="ora_LossContingencyAdditionalDamagesSoughtForOrmatGeothermalProductsSalesInChilePercent-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Loss Contingency, Additional Damages Sought for Ormat Geothermal Products Sales in Chile, Percent </link:label>

<link:label xlink:label="ora_LossContingencyAdditionalDamagesSoughtForOrmatGeothermalProductsSalesInChilePercent-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The percentage of the Ormat geothermal products sales in Chile award the plaintiff seeks in the legal matter. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_LossContingencyAdditionalDamagesSoughtForOrmatGeothermalProductsSalesInChilePercent" xlink:to="ora_LossContingencyAdditionalDamagesSoughtForOrmatGeothermalProductsSalesInChilePercent-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_IncreaseDecreaseInSeverancePayFundAssetNet" xlink:label="ora_IncreaseDecreaseInSeverancePayFundAssetNet" xlink:type="locator"/>

<link:label xlink:label="ora_IncreaseDecreaseInSeverancePayFundAssetNet-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_IncreaseDecreaseInSeverancePayFundAssetNet </link:label>

<link:label xlink:label="ora_IncreaseDecreaseInSeverancePayFundAssetNet-label" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Decrease (increase) in severance pay fund asset, net of payments made to retired employees </link:label>

<link:label xlink:label="ora_IncreaseDecreaseInSeverancePayFundAssetNet-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The amount represents the net of total investments and withdrawals to/from the severance pay fund. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_IncreaseDecreaseInSeverancePayFundAssetNet" xlink:to="ora_IncreaseDecreaseInSeverancePayFundAssetNet-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_LossContingencyDamagesSoughtOrmatGeothermalProductsSalesInChilePeriod" xlink:label="ora_LossContingencyDamagesSoughtOrmatGeothermalProductsSalesInChilePeriod" xlink:type="locator"/>

<link:label xlink:label="ora_LossContingencyDamagesSoughtOrmatGeothermalProductsSalesInChilePeriod-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_LossContingencyDamagesSoughtOrmatGeothermalProductsSalesInChilePeriod </link:label>

<link:label xlink:label="ora_LossContingencyDamagesSoughtOrmatGeothermalProductsSalesInChilePeriod-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Loss Contingency, Damages Sought, Ormat Geothermal Products Sales in Chile, Period (Year) </link:label>

<link:label xlink:label="ora_LossContingencyDamagesSoughtOrmatGeothermalProductsSalesInChilePeriod-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the loss contingency period of the Ormat geothermal product sales in Chile award in the legal matter. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_LossContingencyDamagesSoughtOrmatGeothermalProductsSalesInChilePeriod" xlink:to="ora_LossContingencyDamagesSoughtOrmatGeothermalProductsSalesInChilePeriod-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_IncreaseDecreaseInAccountsPayableRelatedToPurchasesOfPropertyPlantAndEquipment" xlink:label="ora_IncreaseDecreaseInAccountsPayableRelatedToPurchasesOfPropertyPlantAndEquipment" xlink:type="locator"/>

<link:label xlink:label="ora_IncreaseDecreaseInAccountsPayableRelatedToPurchasesOfPropertyPlantAndEquipment-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Increase (decrease) in accounts payable related to purchases of property, plant and equipment </link:label>

<link:label xlink:label="ora_IncreaseDecreaseInAccountsPayableRelatedToPurchasesOfPropertyPlantAndEquipment-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Increase decrease in accounts payable related to purchases of property plant and equipment. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_IncreaseDecreaseInAccountsPayableRelatedToPurchasesOfPropertyPlantAndEquipment" xlink:to="ora_IncreaseDecreaseInAccountsPayableRelatedToPurchasesOfPropertyPlantAndEquipment-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_NoncashTransferOfAssetRetirementObligations" xlink:label="ora_NoncashTransferOfAssetRetirementObligations" xlink:type="locator"/>

<link:label xlink:label="ora_NoncashTransferOfAssetRetirementObligations-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Increase in asset retirement cost and asset retirement obligation </link:label>

<link:label xlink:label="ora_NoncashTransferOfAssetRetirementObligations-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The non-cash transfer of asset retirement obligations associated with removal costs to regulatory liabilities. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_NoncashTransferOfAssetRetirementObligations" xlink:to="ora_NoncashTransferOfAssetRetirementObligations-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_SouthernCaliforniaEdisonCompanyMember" xlink:label="ora_SouthernCaliforniaEdisonCompanyMember" xlink:type="locator"/>

<link:label xlink:label="ora_SouthernCaliforniaEdisonCompanyMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Southern California Edison Company [Member] </link:label>

<link:label xlink:label="ora_SouthernCaliforniaEdisonCompanyMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Related to the entity Southern California Edison Company. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_SouthernCaliforniaEdisonCompanyMember" xlink:to="ora_SouthernCaliforniaEdisonCompanyMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_SierraPacificPowerCompanyAndNevadaPowerCompanyMember" xlink:label="ora_SierraPacificPowerCompanyAndNevadaPowerCompanyMember" xlink:type="locator"/>

<link:label xlink:label="ora_SierraPacificPowerCompanyAndNevadaPowerCompanyMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Sierra Pacific Power Company And Nevada Power Company [Member] </link:label>

<link:label xlink:label="ora_SierraPacificPowerCompanyAndNevadaPowerCompanyMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Related to the entities Sierra Pacific Power Company and Nevada Power Company. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_SierraPacificPowerCompanyAndNevadaPowerCompanyMember" xlink:to="ora_SierraPacificPowerCompanyAndNevadaPowerCompanyMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_KenyaPowerAndLightingCoLTDMember" xlink:label="ora_KenyaPowerAndLightingCoLTDMember" xlink:type="locator"/>

<link:label xlink:label="ora_KenyaPowerAndLightingCoLTDMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Kenya Power and Lighting Co LTD [Member] </link:label>

<link:label xlink:label="ora_KenyaPowerAndLightingCoLTDMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Related to the Kenya Power and Lighting Co LTD. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_KenyaPowerAndLightingCoLTDMember" xlink:to="ora_KenyaPowerAndLightingCoLTDMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_PowerPlantsMember" xlink:label="ora_PowerPlantsMember" xlink:type="locator"/>

<link:label xlink:label="ora_PowerPlantsMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Power Plants [Member] </link:label>

<link:label xlink:label="ora_PowerPlantsMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Related to power plants. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_PowerPlantsMember" xlink:to="ora_PowerPlantsMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:type="locator"/>

<link:label xlink:label="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finite-Lived Intangible Assets by Major Class [Axis] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:to="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:type="locator"/>

<link:label xlink:label="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finite-Lived Intangible Assets, Major Class Name [Domain] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:to="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_PunaGeothermalPowerPlantMember" xlink:label="ora_PunaGeothermalPowerPlantMember" xlink:type="locator"/>

<link:label xlink:label="ora_PunaGeothermalPowerPlantMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Puna Geothermal Power Plant [Member] </link:label>

<link:label xlink:label="ora_PunaGeothermalPowerPlantMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Related to the Puna geothermal power plant. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_PunaGeothermalPowerPlantMember" xlink:to="ora_PunaGeothermalPowerPlantMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedWorkingCapital" xlink:label="ora_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedWorkingCapital" xlink:type="locator"/>

<link:label xlink:label="ora_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedWorkingCapital-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other working capital </link:label>

<link:label xlink:label="ora_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedWorkingCapital-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Amount of working capital acquired at the acquisition date. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedWorkingCapital" xlink:to="ora_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedWorkingCapital-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_LeasePaymentTerm" xlink:label="ora_LeasePaymentTerm" xlink:type="locator"/>

<link:label xlink:label="ora_LeasePaymentTerm-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_LeasePaymentTerm </link:label>

<link:label xlink:label="ora_LeasePaymentTerm-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Lease Payment Term (Year) </link:label>

<link:label xlink:label="ora_LeasePaymentTerm-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Lease payment term. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_LeasePaymentTerm" xlink:to="ora_LeasePaymentTerm-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_DepreciationBonusPermittedWriteOffEquipmentCostPercentage" xlink:label="ora_DepreciationBonusPermittedWriteOffEquipmentCostPercentage" xlink:type="locator"/>

<link:label xlink:label="ora_DepreciationBonusPermittedWriteOffEquipmentCostPercentage-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_DepreciationBonusPermittedWriteOffEquipmentCostPercentage </link:label>

<link:label xlink:label="ora_DepreciationBonusPermittedWriteOffEquipmentCostPercentage-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Depreciation Bonus Permitted Write Off Equipment Cost Percentage </link:label>

<link:label xlink:label="ora_DepreciationBonusPermittedWriteOffEquipmentCostPercentage-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents information about percentage of the write off equipment cost permitted by the depreciation bonus. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_DepreciationBonusPermittedWriteOffEquipmentCostPercentage" xlink:to="ora_DepreciationBonusPermittedWriteOffEquipmentCostPercentage-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_DescriptionOfBusinessPolicyTextBlock" xlink:label="ora_DescriptionOfBusinessPolicyTextBlock" xlink:type="locator"/>

<link:label xlink:label="ora_DescriptionOfBusinessPolicyTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Description Of Business [Policy Text Block] </link:label>

<link:label xlink:label="ora_DescriptionOfBusinessPolicyTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Description of business accounting policies. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_DescriptionOfBusinessPolicyTextBlock" xlink:to="ora_DescriptionOfBusinessPolicyTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ContingentConsiderationByTypeAxis" xlink:label="us-gaap_ContingentConsiderationByTypeAxis" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ContingentConsiderationByTypeAxis-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Contingent Consideration by Type [Axis] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ContingentConsiderationByTypeAxis" xlink:to="us-gaap_ContingentConsiderationByTypeAxis-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_DividendDeclaredPolicyTextBlock" xlink:label="ora_DividendDeclaredPolicyTextBlock" xlink:type="locator"/>

<link:label xlink:label="ora_DividendDeclaredPolicyTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Dividend Declared [Policy Text Block] </link:label>

<link:label xlink:label="ora_DividendDeclaredPolicyTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Description of accounting policy related to dividends declared. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_DividendDeclaredPolicyTextBlock" xlink:to="ora_DividendDeclaredPolicyTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ContingentConsiderationTypeDomain" xlink:label="us-gaap_ContingentConsiderationTypeDomain" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ContingentConsiderationTypeDomain-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Contingent Consideration Type [Domain] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ContingentConsiderationTypeDomain" xlink:to="us-gaap_ContingentConsiderationTypeDomain-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_RoundingPolicyTextBlock" xlink:label="ora_RoundingPolicyTextBlock" xlink:type="locator"/>

<link:label xlink:label="ora_RoundingPolicyTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Rounding [Policy Text Block] </link:label>

<link:label xlink:label="ora_RoundingPolicyTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The disclosure for the accounting policy related to rounding. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_RoundingPolicyTextBlock" xlink:to="ora_RoundingPolicyTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_DeferredFinancingAndLeaseTransactionCostsPolicyTextBlock" xlink:label="ora_DeferredFinancingAndLeaseTransactionCostsPolicyTextBlock" xlink:type="locator"/>

<link:label xlink:label="ora_DeferredFinancingAndLeaseTransactionCostsPolicyTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Deferred Financing And Lease Transaction Costs [Policy Text Block] </link:label>

<link:label xlink:label="ora_DeferredFinancingAndLeaseTransactionCostsPolicyTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Deferred financing and lease transaction costs policy text block. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_DeferredFinancingAndLeaseTransactionCostsPolicyTextBlock" xlink:to="ora_DeferredFinancingAndLeaseTransactionCostsPolicyTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_TaxExemptionPeriod" xlink:label="ora_TaxExemptionPeriod" xlink:type="locator"/>

<link:label xlink:label="ora_TaxExemptionPeriod-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_TaxExemptionPeriod </link:label>

<link:label xlink:label="ora_TaxExemptionPeriod-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Tax Exemption Period (Year) </link:label>

<link:label xlink:label="ora_TaxExemptionPeriod-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Term of tax exemption for foreign operations. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_TaxExemptionPeriod" xlink:to="ora_TaxExemptionPeriod-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncontrollingInterest" xlink:label="ora_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncontrollingInterest" xlink:type="locator"/>

<link:label xlink:label="ora_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncontrollingInterest-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncontrollingInterest </link:label>

<link:label xlink:label="ora_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncontrollingInterest-label" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Noncontrolling interest </link:label>

<link:label xlink:label="ora_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncontrollingInterest-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Amount of noncontrolling interest assumed at the acquisition date. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncontrollingInterest" xlink:to="ora_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncontrollingInterest-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_MachineryAndEquipmentManufacturingAndDrillingMember" xlink:label="ora_MachineryAndEquipmentManufacturingAndDrillingMember" xlink:type="locator"/>

<link:label xlink:label="ora_MachineryAndEquipmentManufacturingAndDrillingMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Machinery And Equipment - Manufacturing And Drilling [Member] </link:label>

<link:label xlink:label="ora_MachineryAndEquipmentManufacturingAndDrillingMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Machinery and equipment manufacturing and drilling member. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_MachineryAndEquipmentManufacturingAndDrillingMember" xlink:to="ora_MachineryAndEquipmentManufacturingAndDrillingMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_MachineryAndEquipmentComputersMember" xlink:label="ora_MachineryAndEquipmentComputersMember" xlink:type="locator"/>

<link:label xlink:label="ora_MachineryAndEquipmentComputersMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Machinery and Equipment - Computers [Member] </link:label>

<link:label xlink:label="ora_MachineryAndEquipmentComputersMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Related to computers classified as machinery and equipment. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_MachineryAndEquipmentComputersMember" xlink:to="ora_MachineryAndEquipmentComputersMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_OfficeEquipmentOtherMember" xlink:label="ora_OfficeEquipmentOtherMember" xlink:type="locator"/>

<link:label xlink:label="ora_OfficeEquipmentOtherMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Office Equipment - Other [Member] </link:label>

<link:label xlink:label="ora_OfficeEquipmentOtherMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Related to office equipment not separately disclosed. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_OfficeEquipmentOtherMember" xlink:to="ora_OfficeEquipmentOtherMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeLossFromContinuingOperations" xlink:label="us-gaap_IncomeLossFromContinuingOperations" xlink:type="locator"/>

<link:label xlink:label="us-gaap_IncomeLossFromContinuingOperations-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Net income </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeLossFromContinuingOperations" xlink:to="us-gaap_IncomeLossFromContinuingOperations-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="us-gaap_NetIncomeLoss" xlink:type="locator"/>

<link:label xlink:label="us-gaap_NetIncomeLoss-label" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Net income (loss) attributable to the Company's stockholders </link:label>

<link:label xlink:label="us-gaap_NetIncomeLoss-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_NetIncomeLoss </link:label>

<link:label xlink:label="us-gaap_NetIncomeLoss-label" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Net income attributable to the Company's stockholders </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetIncomeLoss" xlink:to="us-gaap_NetIncomeLoss-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StockAppreciationRightsSARSMember" xlink:label="us-gaap_StockAppreciationRightsSARSMember" xlink:type="locator"/>

<link:label xlink:label="us-gaap_StockAppreciationRightsSARSMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Stock Appreciation Rights (SARs) [Member] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockAppreciationRightsSARSMember" xlink:to="us-gaap_StockAppreciationRightsSARSMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RestrictedStockUnitsRSUMember" xlink:label="us-gaap_RestrictedStockUnitsRSUMember" xlink:type="locator"/>

<link:label xlink:label="us-gaap_RestrictedStockUnitsRSUMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Restricted Stock Units (RSUs) [Member] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RestrictedStockUnitsRSUMember" xlink:to="us-gaap_RestrictedStockUnitsRSUMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProceedsFromInsuranceSettlementInvestingActivities" xlink:label="us-gaap_ProceedsFromInsuranceSettlementInvestingActivities" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ProceedsFromInsuranceSettlementInvestingActivities-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Cash received from insurance recoveries </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromInsuranceSettlementInvestingActivities" xlink:to="us-gaap_ProceedsFromInsuranceSettlementInvestingActivities-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_CostAndEstimatedEarningsOnUncompletedContractsTableTextBlock" xlink:label="ora_CostAndEstimatedEarningsOnUncompletedContractsTableTextBlock" xlink:type="locator"/>

<link:label xlink:label="ora_CostAndEstimatedEarningsOnUncompletedContractsTableTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Cost And Estimated Earnings On Uncompleted Contracts [Table Text Block] </link:label>

<link:label xlink:label="ora_CostAndEstimatedEarningsOnUncompletedContractsTableTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The tabular disclosure of cost and estimated earnings on uncompleted contracts. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_CostAndEstimatedEarningsOnUncompletedContractsTableTextBlock" xlink:to="ora_CostAndEstimatedEarningsOnUncompletedContractsTableTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_InterestCostsCapitalized" xlink:label="us-gaap_InterestCostsCapitalized" xlink:type="locator"/>

<link:label xlink:label="us-gaap_InterestCostsCapitalized-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_InterestCostsCapitalized </link:label>

<link:label xlink:label="us-gaap_InterestCostsCapitalized-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Interest Costs Capitalized </link:label>

<link:label xlink:label="us-gaap_InterestCostsCapitalized-label" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Less — amount capitalized </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestCostsCapitalized" xlink:to="us-gaap_InterestCostsCapitalized-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_Covid19Member" xlink:label="ora_Covid19Member" xlink:type="locator"/>

<link:label xlink:label="ora_Covid19Member-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> COVID 19 [Member] </link:label>

<link:label xlink:label="ora_Covid19Member-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Information related to COVID-19. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_Covid19Member" xlink:to="ora_Covid19Member-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_BillingsToDate" xlink:label="ora_BillingsToDate" xlink:type="locator"/>

<link:label xlink:label="ora_BillingsToDate-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_BillingsToDate </link:label>

<link:label xlink:label="ora_BillingsToDate-label" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Less billings to date </link:label>

<link:label xlink:label="ora_BillingsToDate-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The amount of billings to date. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_BillingsToDate" xlink:to="ora_BillingsToDate-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_CostAndEstimatedEarningsOnUncompletedContractsIncludedInConsolidatedBalanceSheetsTableTextBlock" xlink:label="ora_CostAndEstimatedEarningsOnUncompletedContractsIncludedInConsolidatedBalanceSheetsTableTextBlock" xlink:type="locator"/>

<link:label xlink:label="ora_CostAndEstimatedEarningsOnUncompletedContractsIncludedInConsolidatedBalanceSheetsTableTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Cost and Estimated Earnings on Uncompleted Contracts Included in Consolidated Balance Sheets [Table Text Block] </link:label>

<link:label xlink:label="ora_CostAndEstimatedEarningsOnUncompletedContractsIncludedInConsolidatedBalanceSheetsTableTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The tabular disclosure of cost and estimated earnings on uncompleted contracts included in consolidated balance sheets. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_CostAndEstimatedEarningsOnUncompletedContractsIncludedInConsolidatedBalanceSheetsTableTextBlock" xlink:to="ora_CostAndEstimatedEarningsOnUncompletedContractsIncludedInConsolidatedBalanceSheetsTableTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_SarullaMember" xlink:label="ora_SarullaMember" xlink:type="locator"/>

<link:label xlink:label="ora_SarullaMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Sarulla [Member] </link:label>

<link:label xlink:label="ora_SarullaMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents Sarulla. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_SarullaMember" xlink:to="ora_SarullaMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_ExpectedPowerGeneratingCapacity" xlink:label="ora_ExpectedPowerGeneratingCapacity" xlink:type="locator"/>

<link:label xlink:label="ora_ExpectedPowerGeneratingCapacity-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_ExpectedPowerGeneratingCapacity </link:label>

<link:label xlink:label="ora_ExpectedPowerGeneratingCapacity-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Expected Power Generating Capacity (Megawatt-Hour) </link:label>

<link:label xlink:label="ora_ExpectedPowerGeneratingCapacity-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Expected power generating capacity. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_ExpectedPowerGeneratingCapacity" xlink:to="ora_ExpectedPowerGeneratingCapacity-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_NumberOfPhasesOfConstruction" xlink:label="ora_NumberOfPhasesOfConstruction" xlink:type="locator"/>

<link:label xlink:label="ora_NumberOfPhasesOfConstruction-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_NumberOfPhasesOfConstruction </link:label>

<link:label xlink:label="ora_NumberOfPhasesOfConstruction-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Number of Phases of Construction </link:label>

<link:label xlink:label="ora_NumberOfPhasesOfConstruction-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Number of phases of construction. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_NumberOfPhasesOfConstruction" xlink:to="ora_NumberOfPhasesOfConstruction-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_GoodwillTransfers" xlink:label="us-gaap_GoodwillTransfers" xlink:type="locator"/>

<link:label xlink:label="us-gaap_GoodwillTransfers-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Translation differences </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GoodwillTransfers" xlink:to="us-gaap_GoodwillTransfers-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_PowerUtilization" xlink:label="ora_PowerUtilization" xlink:type="locator"/>

<link:label xlink:label="ora_PowerUtilization-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_PowerUtilization </link:label>

<link:label xlink:label="ora_PowerUtilization-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Power Utilization (Megawatt-Hour) </link:label>

<link:label xlink:label="ora_PowerUtilization-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Related to power utilization. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_PowerUtilization" xlink:to="ora_PowerUtilization-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EmployeeStockOptionMember" xlink:label="us-gaap_EmployeeStockOptionMember" xlink:type="locator"/>

<link:label xlink:label="us-gaap_EmployeeStockOptionMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Payment Arrangement, Option [Member] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EmployeeStockOptionMember" xlink:to="us-gaap_EmployeeStockOptionMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_PlatanaresFinanceAgreementMember" xlink:label="ora_PlatanaresFinanceAgreementMember" xlink:type="locator"/>

<link:label xlink:label="ora_PlatanaresFinanceAgreementMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Platanares Finance Agreement [Member] </link:label>

<link:label xlink:label="ora_PlatanaresFinanceAgreementMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the information pertaining to the Platanares finance agreement of the 35 MW Platanares geothermal power plant in Honduras. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_PlatanaresFinanceAgreementMember" xlink:to="ora_PlatanaresFinanceAgreementMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_DisclosureOfVariableInterestEntitiesTextBlock" xlink:label="ora_DisclosureOfVariableInterestEntitiesTextBlock" xlink:type="locator"/>

<link:label xlink:label="ora_DisclosureOfVariableInterestEntitiesTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disclosure Of Variable Interest Entities [Text Block] </link:label>

<link:label xlink:label="ora_DisclosureOfVariableInterestEntitiesTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Disclosure of variable interest entities text block. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_DisclosureOfVariableInterestEntitiesTextBlock" xlink:to="ora_DisclosureOfVariableInterestEntitiesTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_SeniorUnsecuredBondsSeries4Member" xlink:label="ora_SeniorUnsecuredBondsSeries4Member" xlink:type="locator"/>

<link:label xlink:label="ora_SeniorUnsecuredBondsSeries4Member-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Senior Unsecured Bonds, Series 4 [Member] </link:label>

<link:label xlink:label="ora_SeniorUnsecuredBondsSeries4Member-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the series 4 senior unsecured bonds. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_SeniorUnsecuredBondsSeries4Member" xlink:to="ora_SeniorUnsecuredBondsSeries4Member-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_PerformanceStockUnitsPsuMember" xlink:label="ora_PerformanceStockUnitsPsuMember" xlink:type="locator"/>

<link:label xlink:label="ora_PerformanceStockUnitsPsuMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Performance Stock Units (PSU) [Member] </link:label>

<link:label xlink:label="ora_PerformanceStockUnitsPsuMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents performance stock units (PSU). </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_PerformanceStockUnitsPsuMember" xlink:to="ora_PerformanceStockUnitsPsuMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_OtherComprehensiveIncomeLossFromEquityMethodInvestmentsTableTextBlock" xlink:label="ora_OtherComprehensiveIncomeLossFromEquityMethodInvestmentsTableTextBlock" xlink:type="locator"/>

<link:label xlink:label="ora_OtherComprehensiveIncomeLossFromEquityMethodInvestmentsTableTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Comprehensive Income (Loss) from Equity Method Investments[Table Text Block] </link:label>

<link:label xlink:label="ora_OtherComprehensiveIncomeLossFromEquityMethodInvestmentsTableTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Tabular disclosure of the entity's proportionate share for the period of the other comprehensive income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_OtherComprehensiveIncomeLossFromEquityMethodInvestmentsTableTextBlock" xlink:to="ora_OtherComprehensiveIncomeLossFromEquityMethodInvestmentsTableTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_GoodwillAcquiredDuringPeriod" xlink:label="us-gaap_GoodwillAcquiredDuringPeriod" xlink:type="locator"/>

<link:label xlink:label="us-gaap_GoodwillAcquiredDuringPeriod-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Goodwill acquired (1) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GoodwillAcquiredDuringPeriod" xlink:to="us-gaap_GoodwillAcquiredDuringPeriod-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_StockAppreciationRightsExpiratiopnPeriod2Member" xlink:label="ora_StockAppreciationRightsExpiratiopnPeriod2Member" xlink:type="locator"/>

<link:label xlink:label="ora_StockAppreciationRightsExpiratiopnPeriod2Member-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Stock Appreciation Rights, Expiratiopn Period 2 [Member] </link:label>

<link:label xlink:label="ora_StockAppreciationRightsExpiratiopnPeriod2Member-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents stock appreciation rights with second expiration period. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_StockAppreciationRightsExpiratiopnPeriod2Member" xlink:to="ora_StockAppreciationRightsExpiratiopnPeriod2Member-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_SarsRsusAndPsusMember" xlink:label="ora_SarsRsusAndPsusMember" xlink:type="locator"/>

<link:label xlink:label="ora_SarsRsusAndPsusMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> SARs, RSUs, and PSUs [Member] </link:label>

<link:label xlink:label="ora_SarsRsusAndPsusMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents SARs, RSUs, and PSUs. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_SarsRsusAndPsusMember" xlink:to="ora_SarsRsusAndPsusMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_EnergyStorageResourceAgreementTerm" xlink:label="ora_EnergyStorageResourceAgreementTerm" xlink:type="locator"/>

<link:label xlink:label="ora_EnergyStorageResourceAgreementTerm-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_EnergyStorageResourceAgreementTerm </link:label>

<link:label xlink:label="ora_EnergyStorageResourceAgreementTerm-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Energy Storage Resource Agreement, Term (Year) </link:label>

<link:label xlink:label="ora_EnergyStorageResourceAgreementTerm-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The energy storage resource agreement term. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_EnergyStorageResourceAgreementTerm" xlink:to="ora_EnergyStorageResourceAgreementTerm-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_ConstructionInProgressCostsIncurred" xlink:label="ora_ConstructionInProgressCostsIncurred" xlink:type="locator"/>

<link:label xlink:label="ora_ConstructionInProgressCostsIncurred-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Cost incurred during the year </link:label>

<link:label xlink:label="ora_ConstructionInProgressCostsIncurred-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Construction in progress costs incurred. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_ConstructionInProgressCostsIncurred" xlink:to="ora_ConstructionInProgressCostsIncurred-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_WhollyOwnedSubsidiariesWithProjectDebtMember" xlink:label="ora_WhollyOwnedSubsidiariesWithProjectDebtMember" xlink:type="locator"/>

<link:label xlink:label="ora_WhollyOwnedSubsidiariesWithProjectDebtMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Wholly Owned Subsidiaries With Project Debt [Member] </link:label>

<link:label xlink:label="ora_WhollyOwnedSubsidiariesWithProjectDebtMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Related to wholly owned subsidiaries with project debt. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_WhollyOwnedSubsidiariesWithProjectDebtMember" xlink:to="ora_WhollyOwnedSubsidiariesWithProjectDebtMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessCombinationDisclosureTextBlock" xlink:label="us-gaap_BusinessCombinationDisclosureTextBlock" xlink:type="locator"/>

<link:label xlink:label="us-gaap_BusinessCombinationDisclosureTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Business Combination Disclosure [Text Block] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessCombinationDisclosureTextBlock" xlink:to="us-gaap_BusinessCombinationDisclosureTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_DebtInstrumentNumberOfAnnualPayments" xlink:label="ora_DebtInstrumentNumberOfAnnualPayments" xlink:type="locator"/>

<link:label xlink:label="ora_DebtInstrumentNumberOfAnnualPayments-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_DebtInstrumentNumberOfAnnualPayments </link:label>

<link:label xlink:label="ora_DebtInstrumentNumberOfAnnualPayments-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Debt Instrument, Number of Annual Payments </link:label>

<link:label xlink:label="ora_DebtInstrumentNumberOfAnnualPayments-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The number of annual payments under the debt instrument. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_DebtInstrumentNumberOfAnnualPayments" xlink:to="ora_DebtInstrumentNumberOfAnnualPayments-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_PomonaEnergyStorageMember" xlink:label="ora_PomonaEnergyStorageMember" xlink:type="locator"/>

<link:label xlink:label="ora_PomonaEnergyStorageMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Pomona Energy Storage [Member] </link:label>

<link:label xlink:label="ora_PomonaEnergyStorageMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the Pomona Energy Storage. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_PomonaEnergyStorageMember" xlink:to="ora_PomonaEnergyStorageMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_EffectiveIncomeTaxRateYearFourAndThereafter" xlink:label="ora_EffectiveIncomeTaxRateYearFourAndThereafter" xlink:type="locator"/>

<link:label xlink:label="ora_EffectiveIncomeTaxRateYearFourAndThereafter-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_EffectiveIncomeTaxRateYearFourAndThereafter </link:label>

<link:label xlink:label="ora_EffectiveIncomeTaxRateYearFourAndThereafter-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Effective Income Tax Rate, Year Four and Thereafter </link:label>

<link:label xlink:label="ora_EffectiveIncomeTaxRateYearFourAndThereafter-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the income tax rate for year four and thereafter. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_EffectiveIncomeTaxRateYearFourAndThereafter" xlink:to="ora_EffectiveIncomeTaxRateYearFourAndThereafter-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="us-gaap_LongtermDebtTypeAxis" xlink:type="locator"/>

<link:label xlink:label="us-gaap_LongtermDebtTypeAxis-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long-term Debt, Type [Axis] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongtermDebtTypeAxis" xlink:to="us-gaap_LongtermDebtTypeAxis-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="us-gaap_LongtermDebtTypeDomain" xlink:type="locator"/>

<link:label xlink:label="us-gaap_LongtermDebtTypeDomain-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long-term Debt, Type [Domain] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongtermDebtTypeDomain" xlink:to="us-gaap_LongtermDebtTypeDomain-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_OrmatFundingCorpMember" xlink:label="ora_OrmatFundingCorpMember" xlink:type="locator"/>

<link:label xlink:label="ora_OrmatFundingCorpMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Ormat Funding Corp [Member] </link:label>

<link:label xlink:label="ora_OrmatFundingCorpMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents information about Ormat Funding Corp. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_OrmatFundingCorpMember" xlink:to="ora_OrmatFundingCorpMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_OFCTwoSeniorSecuredNotesMember" xlink:label="ora_OFCTwoSeniorSecuredNotesMember" xlink:type="locator"/>

<link:label xlink:label="ora_OFCTwoSeniorSecuredNotesMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> OFC Two Senior Secured Notes [Member] </link:label>

<link:label xlink:label="ora_OFCTwoSeniorSecuredNotesMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Up to $350,000,000 Senior Secured Notes, due 2034 issued by OFC 2. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_OFCTwoSeniorSecuredNotesMember" xlink:to="ora_OFCTwoSeniorSecuredNotesMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_SeniorUnsecuredBondsMember" xlink:label="ora_SeniorUnsecuredBondsMember" xlink:type="locator"/>

<link:label xlink:label="ora_SeniorUnsecuredBondsMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Senior Unsecured Bonds [Member] </link:label>

<link:label xlink:label="ora_SeniorUnsecuredBondsMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents information pertaining to senior unsecured bonds. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_SeniorUnsecuredBondsMember" xlink:to="ora_SeniorUnsecuredBondsMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EquityMethodInvestmentOwnershipPercentage" xlink:label="us-gaap_EquityMethodInvestmentOwnershipPercentage" xlink:type="locator"/>

<link:label xlink:label="us-gaap_EquityMethodInvestmentOwnershipPercentage-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_EquityMethodInvestmentOwnershipPercentage </link:label>

<link:label xlink:label="us-gaap_EquityMethodInvestmentOwnershipPercentage-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Equity Method Investment, Ownership Percentage </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EquityMethodInvestmentOwnershipPercentage" xlink:to="us-gaap_EquityMethodInvestmentOwnershipPercentage-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_OtherLongTermDebtFairValueDisclosure" xlink:label="ora_OtherLongTermDebtFairValueDisclosure" xlink:type="locator"/>

<link:label xlink:label="ora_OtherLongTermDebtFairValueDisclosure-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other long-term debt </link:label>

<link:label xlink:label="ora_OtherLongTermDebtFairValueDisclosure-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Other long term debt fair value disclosure. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_OtherLongTermDebtFairValueDisclosure" xlink:to="ora_OtherLongTermDebtFairValueDisclosure-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_DepreciationNetOfAmortizationOfCashGrant" xlink:label="ora_DepreciationNetOfAmortizationOfCashGrant" xlink:type="locator"/>

<link:label xlink:label="ora_DepreciationNetOfAmortizationOfCashGrant-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_DepreciationNetOfAmortizationOfCashGrant </link:label>

<link:label xlink:label="ora_DepreciationNetOfAmortizationOfCashGrant-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Depreciation Net Of Amortization Of Cash Grant </link:label>

<link:label xlink:label="ora_DepreciationNetOfAmortizationOfCashGrant-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Depreciation net of amortization of cash grant. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_DepreciationNetOfAmortizationOfCashGrant" xlink:to="ora_DepreciationNetOfAmortizationOfCashGrant-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_ForeignCountriesMember" xlink:label="ora_ForeignCountriesMember" xlink:type="locator"/>

<link:label xlink:label="ora_ForeignCountriesMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Foreign Countries [Member] </link:label>

<link:label xlink:label="ora_ForeignCountriesMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Related to foreign countries. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_ForeignCountriesMember" xlink:to="ora_ForeignCountriesMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherOperatingActivitiesCashFlowStatement" xlink:label="us-gaap_OtherOperatingActivitiesCashFlowStatement" xlink:type="locator"/>

<link:label xlink:label="us-gaap_OtherOperatingActivitiesCashFlowStatement-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Deferred lease revenues </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherOperatingActivitiesCashFlowStatement" xlink:to="us-gaap_OtherOperatingActivitiesCashFlowStatement-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_OrPower4IncMember" xlink:label="ora_OrPower4IncMember" xlink:type="locator"/>

<link:label xlink:label="ora_OrPower4IncMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> OrPower 4, Inc [Member] </link:label>

<link:label xlink:label="ora_OrPower4IncMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Related to OrPower 4, Inc. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_OrPower4IncMember" xlink:to="ora_OrPower4IncMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:type="locator"/>

<link:label xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Cash flows from investing activities: </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:to="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_OrzunilIDeElectricidadLimitadaMember" xlink:label="ora_OrzunilIDeElectricidadLimitadaMember" xlink:type="locator"/>

<link:label xlink:label="ora_OrzunilIDeElectricidadLimitadaMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Orzunil I de Electricidad, Limitada [Member] </link:label>

<link:label xlink:label="ora_OrzunilIDeElectricidadLimitadaMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the wholly owned subsidiary, Orzunil i de electricidad limitada. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_OrzunilIDeElectricidadLimitadaMember" xlink:to="ora_OrzunilIDeElectricidadLimitadaMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_OrtitlanLimitadaMember" xlink:label="ora_OrtitlanLimitadaMember" xlink:type="locator"/>

<link:label xlink:label="ora_OrtitlanLimitadaMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Ortitlan Limitada [Member] </link:label>

<link:label xlink:label="ora_OrtitlanLimitadaMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the wholly owned subsidiary, Ortitlan limitada. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_OrtitlanLimitadaMember" xlink:to="ora_OrtitlanLimitadaMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_PowerPurchaseAgreementsTerm" xlink:label="ora_PowerPurchaseAgreementsTerm" xlink:type="locator"/>

<link:label xlink:label="ora_PowerPurchaseAgreementsTerm-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_PowerPurchaseAgreementsTerm </link:label>

<link:label xlink:label="ora_PowerPurchaseAgreementsTerm-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Power Purchase Agreements Term (Year) </link:label>

<link:label xlink:label="ora_PowerPurchaseAgreementsTerm-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The length of time within a power purchase agreement. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_PowerPurchaseAgreementsTerm" xlink:to="ora_PowerPurchaseAgreementsTerm-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncreaseDecreaseInRestructuringReserve" xlink:label="us-gaap_IncreaseDecreaseInRestructuringReserve" xlink:type="locator"/>

<link:label xlink:label="us-gaap_IncreaseDecreaseInRestructuringReserve-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_IncreaseDecreaseInRestructuringReserve </link:label>

<link:label xlink:label="us-gaap_IncreaseDecreaseInRestructuringReserve-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Liabilities for severance pay </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInRestructuringReserve" xlink:to="us-gaap_IncreaseDecreaseInRestructuringReserve-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EarningsPerShareAbstract" xlink:label="us-gaap_EarningsPerShareAbstract" xlink:type="locator"/>

<link:label xlink:label="us-gaap_EarningsPerShareAbstract-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Earnings per share attributable to the Company's stockholders: </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EarningsPerShareAbstract" xlink:to="us-gaap_EarningsPerShareAbstract-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_ConstructionInProgressTableTextBlock" xlink:label="ora_ConstructionInProgressTableTextBlock" xlink:type="locator"/>

<link:label xlink:label="ora_ConstructionInProgressTableTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Construction In Progress [Table Text Block] </link:label>

<link:label xlink:label="ora_ConstructionInProgressTableTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The tabular disclosure of construction in progress. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_ConstructionInProgressTableTextBlock" xlink:to="ora_ConstructionInProgressTableTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_ProjectsUnderExplorationAndDevelopmentMember" xlink:label="ora_ProjectsUnderExplorationAndDevelopmentMember" xlink:type="locator"/>

<link:label xlink:label="ora_ProjectsUnderExplorationAndDevelopmentMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Projects Under Exploration and Development [Member] </link:label>

<link:label xlink:label="ora_ProjectsUnderExplorationAndDevelopmentMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Related to projects under exploration and development. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_ProjectsUnderExplorationAndDevelopmentMember" xlink:to="ora_ProjectsUnderExplorationAndDevelopmentMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_UpFrontBonusLeaseCostsMember" xlink:label="ora_UpFrontBonusLeaseCostsMember" xlink:type="locator"/>

<link:label xlink:label="ora_UpFrontBonusLeaseCostsMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Up-front Bonus Lease Costs [Member] </link:label>

<link:label xlink:label="ora_UpFrontBonusLeaseCostsMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Related to the up-front bonus lease costs. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_UpFrontBonusLeaseCostsMember" xlink:to="ora_UpFrontBonusLeaseCostsMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_AccumulatedCashContributionsToAcquireProjects" xlink:label="ora_AccumulatedCashContributionsToAcquireProjects" xlink:type="locator"/>

<link:label xlink:label="ora_AccumulatedCashContributionsToAcquireProjects-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_AccumulatedCashContributionsToAcquireProjects </link:label>

<link:label xlink:label="ora_AccumulatedCashContributionsToAcquireProjects-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accumulated Cash Contributions to Acquire Projects </link:label>

<link:label xlink:label="ora_AccumulatedCashContributionsToAcquireProjects-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The accumulated cash outflow from the amount invested for projects in hopes of getting a future return or interest from it. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_AccumulatedCashContributionsToAcquireProjects" xlink:to="ora_AccumulatedCashContributionsToAcquireProjects-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_ExplorationAndDevelopmentCostsMember" xlink:label="ora_ExplorationAndDevelopmentCostsMember" xlink:type="locator"/>

<link:label xlink:label="ora_ExplorationAndDevelopmentCostsMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Exploration and Development Costs [Member] </link:label>

<link:label xlink:label="ora_ExplorationAndDevelopmentCostsMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Related to exploration and development costs. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_ExplorationAndDevelopmentCostsMember" xlink:to="ora_ExplorationAndDevelopmentCostsMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_InterestCapitalizedMember" xlink:label="ora_InterestCapitalizedMember" xlink:type="locator"/>

<link:label xlink:label="ora_InterestCapitalizedMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Interest Capitalized [Member] </link:label>

<link:label xlink:label="ora_InterestCapitalizedMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Related to interest capitalized. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_InterestCapitalizedMember" xlink:to="ora_InterestCapitalizedMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xlink:label="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xlink:type="locator"/>

<link:label xlink:label="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities </link:label>

<link:label xlink:label="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accounts payable and accrued expenses </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xlink:to="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_ProjectsUnderConstructionMember" xlink:label="ora_ProjectsUnderConstructionMember" xlink:type="locator"/>

<link:label xlink:label="ora_ProjectsUnderConstructionMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Projects Under Construction [Member] </link:label>

<link:label xlink:label="ora_ProjectsUnderConstructionMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Related to projects under construction. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_ProjectsUnderConstructionMember" xlink:to="ora_ProjectsUnderConstructionMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_RollforwardOfConstructionInProcessTableTextBlock" xlink:label="ora_RollforwardOfConstructionInProcessTableTextBlock" xlink:type="locator"/>

<link:label xlink:label="ora_RollforwardOfConstructionInProcessTableTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Rollforward Of Construction In Process [Table Text Block] </link:label>

<link:label xlink:label="ora_RollforwardOfConstructionInProcessTableTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Rollforward of construction in process table text block. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_RollforwardOfConstructionInProcessTableTextBlock" xlink:to="ora_RollforwardOfConstructionInProcessTableTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_DrillingAndConstructionCostsMember" xlink:label="ora_DrillingAndConstructionCostsMember" xlink:type="locator"/>

<link:label xlink:label="ora_DrillingAndConstructionCostsMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Drilling And Construction Costs [Member] </link:label>

<link:label xlink:label="ora_DrillingAndConstructionCostsMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Drilling and construction costs. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_DrillingAndConstructionCostsMember" xlink:to="ora_DrillingAndConstructionCostsMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IntersegmentEliminationMember" xlink:label="us-gaap_IntersegmentEliminationMember" xlink:type="locator"/>

<link:label xlink:label="us-gaap_IntersegmentEliminationMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Intersegment Eliminations [Member] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IntersegmentEliminationMember" xlink:to="us-gaap_IntersegmentEliminationMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NonRecourseDebt" xlink:label="us-gaap_NonRecourseDebt" xlink:type="locator"/>

<link:label xlink:label="us-gaap_NonRecourseDebt-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Non-Recourse Debt </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NonRecourseDebt" xlink:to="us-gaap_NonRecourseDebt-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_TransferOfProjectsUnderExplorationAndDevelopmentToProjectsUnderConstruction" xlink:label="ora_TransferOfProjectsUnderExplorationAndDevelopmentToProjectsUnderConstruction" xlink:type="locator"/>

<link:label xlink:label="ora_TransferOfProjectsUnderExplorationAndDevelopmentToProjectsUnderConstruction-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_TransferOfProjectsUnderExplorationAndDevelopmentToProjectsUnderConstruction </link:label>

<link:label xlink:label="ora_TransferOfProjectsUnderExplorationAndDevelopmentToProjectsUnderConstruction-label" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Transfer of projects under exploration and development to projects under construction </link:label>

<link:label xlink:label="ora_TransferOfProjectsUnderExplorationAndDevelopmentToProjectsUnderConstruction-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Transfer of projects under exploration and development to projects under construction. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_TransferOfProjectsUnderExplorationAndDevelopmentToProjectsUnderConstruction" xlink:to="ora_TransferOfProjectsUnderExplorationAndDevelopmentToProjectsUnderConstruction-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RelatedPartyTransactionsDisclosureTextBlock" xlink:label="us-gaap_RelatedPartyTransactionsDisclosureTextBlock" xlink:type="locator"/>

<link:label xlink:label="us-gaap_RelatedPartyTransactionsDisclosureTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Related Party Transactions Disclosure [Text Block] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RelatedPartyTransactionsDisclosureTextBlock" xlink:to="us-gaap_RelatedPartyTransactionsDisclosureTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_TransferOfConstructionInProgressToPropertyPlantAndEquipment" xlink:label="ora_TransferOfConstructionInProgressToPropertyPlantAndEquipment" xlink:type="locator"/>

<link:label xlink:label="ora_TransferOfConstructionInProgressToPropertyPlantAndEquipment-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_TransferOfConstructionInProgressToPropertyPlantAndEquipment </link:label>

<link:label xlink:label="ora_TransferOfConstructionInProgressToPropertyPlantAndEquipment-label" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Transfer of completed projects to property, plant and equipment </link:label>

<link:label xlink:label="ora_TransferOfConstructionInProgressToPropertyPlantAndEquipment-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Transfer of construction in progress to property plant and equipment. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_TransferOfConstructionInProgressToPropertyPlantAndEquipment" xlink:to="ora_TransferOfConstructionInProgressToPropertyPlantAndEquipment-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax" xlink:label="us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax" xlink:type="locator"/>

<link:label xlink:label="us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Change in respect of derivative instruments designated for cash flow hedge, tax </link:label>

<link:label xlink:label="us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, Tax </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax" xlink:to="us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_TrancheOneMember" xlink:label="ora_TrancheOneMember" xlink:type="locator"/>

<link:label xlink:label="ora_TrancheOneMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Tranche One [Member] </link:label>

<link:label xlink:label="ora_TrancheOneMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Related to the first tranche. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_TrancheOneMember" xlink:to="ora_TrancheOneMember-label" xlink:type="arc"/>

<link:loc xlink:href="https://xbrl.sec.gov/country/2020/country-2020-01-31.xsd#country_CL" xlink:label="country_CL" xlink:type="locator"/>

<link:label xlink:label="country_CL-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> CHILE </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="country_CL" xlink:to="country_CL-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_TrancheTwoMember" xlink:label="ora_TrancheTwoMember" xlink:type="locator"/>

<link:label xlink:label="ora_TrancheTwoMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Tranche Two [Member] </link:label>

<link:label xlink:label="ora_TrancheTwoMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Related to the second tranche. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_TrancheTwoMember" xlink:to="ora_TrancheTwoMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_TrancheThreeMember" xlink:label="ora_TrancheThreeMember" xlink:type="locator"/>

<link:label xlink:label="ora_TrancheThreeMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Tranche Three [Member] </link:label>

<link:label xlink:label="ora_TrancheThreeMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Related to the third tranche. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_TrancheThreeMember" xlink:to="ora_TrancheThreeMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_DebtServicesCoverageRatio" xlink:label="ora_DebtServicesCoverageRatio" xlink:type="locator"/>

<link:label xlink:label="ora_DebtServicesCoverageRatio-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_DebtServicesCoverageRatio </link:label>

<link:label xlink:label="ora_DebtServicesCoverageRatio-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Debt Services, Coverage Ratio </link:label>

<link:label xlink:label="ora_DebtServicesCoverageRatio-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The ratio of coverage for debt services. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_DebtServicesCoverageRatio" xlink:to="ora_DebtServicesCoverageRatio-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_OFCSeniorSecuredNotesMember" xlink:label="ora_OFCSeniorSecuredNotesMember" xlink:type="locator"/>

<link:label xlink:label="ora_OFCSeniorSecuredNotesMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> OFC Senior Secured Notes [Member] </link:label>

<link:label xlink:label="ora_OFCSeniorSecuredNotesMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents information about OFC senior secured notes. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_OFCSeniorSecuredNotesMember" xlink:to="ora_OFCSeniorSecuredNotesMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_GovernmentGuaranteePercent" xlink:label="ora_GovernmentGuaranteePercent" xlink:type="locator"/>

<link:label xlink:label="ora_GovernmentGuaranteePercent-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_GovernmentGuaranteePercent </link:label>

<link:label xlink:label="ora_GovernmentGuaranteePercent-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Government Guarantee Percent </link:label>

<link:label xlink:label="ora_GovernmentGuaranteePercent-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Government guarantee percent. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_GovernmentGuaranteePercent" xlink:to="ora_GovernmentGuaranteePercent-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_SeriesASeniorNotesMember" xlink:label="ora_SeriesASeniorNotesMember" xlink:type="locator"/>

<link:label xlink:label="ora_SeriesASeniorNotesMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Series A Senior Notes [Member] </link:label>

<link:label xlink:label="ora_SeriesASeniorNotesMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Series a senior notes member. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_SeriesASeniorNotesMember" xlink:to="ora_SeriesASeniorNotesMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentTerm" xlink:label="us-gaap_DebtInstrumentTerm" xlink:type="locator"/>

<link:label xlink:label="us-gaap_DebtInstrumentTerm-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_DebtInstrumentTerm </link:label>

<link:label xlink:label="us-gaap_DebtInstrumentTerm-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Debt Instrument, Term (Year) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentTerm" xlink:to="us-gaap_DebtInstrumentTerm-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_PercentageOfCompanyAssets" xlink:label="ora_PercentageOfCompanyAssets" xlink:type="locator"/>

<link:label xlink:label="ora_PercentageOfCompanyAssets-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_PercentageOfCompanyAssets </link:label>

<link:label xlink:label="ora_PercentageOfCompanyAssets-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Percentage Of Company Assets </link:label>

<link:label xlink:label="ora_PercentageOfCompanyAssets-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Percentage of company assets. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_PercentageOfCompanyAssets" xlink:to="ora_PercentageOfCompanyAssets-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_DebtToEarningsBeforeInterestTaxDepreciationAndAmortizationRatio" xlink:label="ora_DebtToEarningsBeforeInterestTaxDepreciationAndAmortizationRatio" xlink:type="locator"/>

<link:label xlink:label="ora_DebtToEarningsBeforeInterestTaxDepreciationAndAmortizationRatio-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_DebtToEarningsBeforeInterestTaxDepreciationAndAmortizationRatio </link:label>

<link:label xlink:label="ora_DebtToEarningsBeforeInterestTaxDepreciationAndAmortizationRatio-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Debt To Earnings Before Interest Tax Depreciation And Amortization Ratio </link:label>

<link:label xlink:label="ora_DebtToEarningsBeforeInterestTaxDepreciationAndAmortizationRatio-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Debt to earnings before interest tax depreciation and amortization ratio. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_DebtToEarningsBeforeInterestTaxDepreciationAndAmortizationRatio" xlink:to="ora_DebtToEarningsBeforeInterestTaxDepreciationAndAmortizationRatio-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_AmountAvailableForDividendDistributionPercentOfCumulativeNetIncome" xlink:label="ora_AmountAvailableForDividendDistributionPercentOfCumulativeNetIncome" xlink:type="locator"/>

<link:label xlink:label="ora_AmountAvailableForDividendDistributionPercentOfCumulativeNetIncome-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_AmountAvailableForDividendDistributionPercentOfCumulativeNetIncome </link:label>

<link:label xlink:label="ora_AmountAvailableForDividendDistributionPercentOfCumulativeNetIncome-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Amount Available For Dividend Distribution Percent Of Cumulative Net Income </link:label>

<link:label xlink:label="ora_AmountAvailableForDividendDistributionPercentOfCumulativeNetIncome-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Amount available for dividend distribution percent of cumulative net income. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_AmountAvailableForDividendDistributionPercentOfCumulativeNetIncome" xlink:to="ora_AmountAvailableForDividendDistributionPercentOfCumulativeNetIncome-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncreaseDecreaseInOtherNoncurrentLiabilities" xlink:label="us-gaap_IncreaseDecreaseInOtherNoncurrentLiabilities" xlink:type="locator"/>

<link:label xlink:label="us-gaap_IncreaseDecreaseInOtherNoncurrentLiabilities-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other liabilities, net </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInOtherNoncurrentLiabilities" xlink:to="us-gaap_IncreaseDecreaseInOtherNoncurrentLiabilities-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax" xlink:label="us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax" xlink:type="locator"/>

<link:label xlink:label="us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax </link:label>

<link:label xlink:label="us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax-label" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Net effect of stock-based compensation expense </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax" xlink:to="us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_OPICMember" xlink:label="ora_OPICMember" xlink:type="locator"/>

<link:label xlink:label="ora_OPICMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> OPIC [Member] </link:label>

<link:label xlink:label="ora_OPICMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the information pertaining to Overseas Private Investment Corporation (OPIC). </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_OPICMember" xlink:to="ora_OPICMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpense" xlink:label="us-gaap_AllocatedShareBasedCompensationExpense" xlink:type="locator"/>

<link:label xlink:label="us-gaap_AllocatedShareBasedCompensationExpense-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Total stock-based compensation expense </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AllocatedShareBasedCompensationExpense" xlink:to="us-gaap_AllocatedShareBasedCompensationExpense-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_LimitedAndNonRecourseDebt" xlink:label="ora_LimitedAndNonRecourseDebt" xlink:type="locator"/>

<link:label xlink:label="ora_LimitedAndNonRecourseDebt-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Limited Resource </link:label>

<link:label xlink:label="ora_LimitedAndNonRecourseDebt-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Limited and non recourse debt. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_LimitedAndNonRecourseDebt" xlink:to="ora_LimitedAndNonRecourseDebt-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_LimitedAndNonRecourseDebtCurrent" xlink:label="ora_LimitedAndNonRecourseDebtCurrent" xlink:type="locator"/>

<link:label xlink:label="ora_LimitedAndNonRecourseDebtCurrent-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_LimitedAndNonRecourseDebtCurrent </link:label>

<link:label xlink:label="ora_LimitedAndNonRecourseDebtCurrent-label" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Less current portion </link:label>

<link:label xlink:label="ora_LimitedAndNonRecourseDebtCurrent-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Limited and non recourse debt current. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_LimitedAndNonRecourseDebtCurrent" xlink:to="ora_LimitedAndNonRecourseDebtCurrent-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_RecourseDebt" xlink:label="ora_RecourseDebt" xlink:type="locator"/>

<link:label xlink:label="ora_RecourseDebt-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Recourse Debt </link:label>

<link:label xlink:label="ora_RecourseDebt-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Recourse debt. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_RecourseDebt" xlink:to="ora_RecourseDebt-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_RecourseDebtCurrent" xlink:label="ora_RecourseDebtCurrent" xlink:type="locator"/>

<link:label xlink:label="ora_RecourseDebtCurrent-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_RecourseDebtCurrent </link:label>

<link:label xlink:label="ora_RecourseDebtCurrent-label" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Less current portion </link:label>

<link:label xlink:label="ora_RecourseDebtCurrent-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Recourse debt current. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_RecourseDebtCurrent" xlink:to="ora_RecourseDebtCurrent-label" xlink:type="arc"/>

<link:loc xlink:href="https://xbrl.sec.gov/country/2020/country-2020-01-31.xsd#country_GP" xlink:label="country_GP" xlink:type="locator"/>

<link:label xlink:label="country_GP-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> GUADELOUPE </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="country_GP" xlink:to="country_GP-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_RecourseDebtNoncurrent" xlink:label="ora_RecourseDebtNoncurrent" xlink:type="locator"/>

<link:label xlink:label="ora_RecourseDebtNoncurrent-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_RecourseDebtNoncurrent </link:label>

<link:label xlink:label="ora_RecourseDebtNoncurrent-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Non current portion </link:label>

<link:label xlink:label="ora_RecourseDebtNoncurrent-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Recourse debt noncurrent. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_RecourseDebtNoncurrent" xlink:to="ora_RecourseDebtNoncurrent-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_LeaseTerm" xlink:label="ora_LeaseTerm" xlink:type="locator"/>

<link:label xlink:label="ora_LeaseTerm-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_LeaseTerm </link:label>

<link:label xlink:label="ora_LeaseTerm-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Lease Term (Year) </link:label>

<link:label xlink:label="ora_LeaseTerm-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The period of time for the lease agreement. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_LeaseTerm" xlink:to="ora_LeaseTerm-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_DisclosureOfInvestmentsInAndAdvancesToAffiliatesTextBlock" xlink:label="ora_DisclosureOfInvestmentsInAndAdvancesToAffiliatesTextBlock" xlink:type="locator"/>

<link:label xlink:label="ora_DisclosureOfInvestmentsInAndAdvancesToAffiliatesTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disclosure Of Investments In And Advances To Affiliates [Text Block] </link:label>

<link:label xlink:label="ora_DisclosureOfInvestmentsInAndAdvancesToAffiliatesTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Disclosure of investments in and advances to affiliates text block. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_DisclosureOfInvestmentsInAndAdvancesToAffiliatesTextBlock" xlink:to="ora_DisclosureOfInvestmentsInAndAdvancesToAffiliatesTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="https://xbrl.sec.gov/country/2020/country-2020-01-31.xsd#country_GT" xlink:label="country_GT" xlink:type="locator"/>

<link:label xlink:label="country_GT-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> GUATEMALA </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="country_GT" xlink:to="country_GT-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_PercentageOfOwnershipInterests" xlink:label="ora_PercentageOfOwnershipInterests" xlink:type="locator"/>

<link:label xlink:label="ora_PercentageOfOwnershipInterests-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_PercentageOfOwnershipInterests </link:label>

<link:label xlink:label="ora_PercentageOfOwnershipInterests-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Percentage Of Ownership Interests </link:label>

<link:label xlink:label="ora_PercentageOfOwnershipInterests-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Percentage of ownership interests. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_PercentageOfOwnershipInterests" xlink:to="ora_PercentageOfOwnershipInterests-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_OwnershipPercentageOfCommonSharesOutstanding" xlink:label="ora_OwnershipPercentageOfCommonSharesOutstanding" xlink:type="locator"/>

<link:label xlink:label="ora_OwnershipPercentageOfCommonSharesOutstanding-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_OwnershipPercentageOfCommonSharesOutstanding </link:label>

<link:label xlink:label="ora_OwnershipPercentageOfCommonSharesOutstanding-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Ownership Percentage Of Common Shares Outstanding </link:label>

<link:label xlink:label="ora_OwnershipPercentageOfCommonSharesOutstanding-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Ownership percentage of common shares outstanding. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_OwnershipPercentageOfCommonSharesOutstanding" xlink:to="ora_OwnershipPercentageOfCommonSharesOutstanding-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxAbstract" xlink:label="us-gaap_ComprehensiveIncomeNetOfTaxAbstract" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ComprehensiveIncomeNetOfTaxAbstract-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Comprehensive income: </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ComprehensiveIncomeNetOfTaxAbstract" xlink:to="us-gaap_ComprehensiveIncomeNetOfTaxAbstract-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTax" xlink:label="us-gaap_ComprehensiveIncomeNetOfTax" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ComprehensiveIncomeNetOfTax-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_ComprehensiveIncomeNetOfTax </link:label>

<link:label xlink:label="us-gaap_ComprehensiveIncomeNetOfTax-label" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Comprehensive income attributable to the Company's stockholders </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ComprehensiveIncomeNetOfTax" xlink:to="us-gaap_ComprehensiveIncomeNetOfTax-label" xlink:type="arc"/>

<link:loc xlink:href="https://xbrl.sec.gov/country/2020/country-2020-01-31.xsd#country_HN" xlink:label="country_HN" xlink:type="locator"/>

<link:label xlink:label="country_HN-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> HONDURAS </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="country_HN" xlink:to="country_HN-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentMaturityDate" xlink:label="us-gaap_DebtInstrumentMaturityDate" xlink:type="locator"/>

<link:label xlink:label="us-gaap_DebtInstrumentMaturityDate-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Maturity Date </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentMaturityDate" xlink:to="us-gaap_DebtInstrumentMaturityDate-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentPeriodicPayment" xlink:label="us-gaap_DebtInstrumentPeriodicPayment" xlink:type="locator"/>

<link:label xlink:label="us-gaap_DebtInstrumentPeriodicPayment-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_DebtInstrumentPeriodicPayment </link:label>

<link:label xlink:label="us-gaap_DebtInstrumentPeriodicPayment-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Debt Instrument, Periodic Payment, Total </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentPeriodicPayment" xlink:to="us-gaap_DebtInstrumentPeriodicPayment-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentPeriodicPaymentTermsBalloonPaymentToBePaid" xlink:label="us-gaap_DebtInstrumentPeriodicPaymentTermsBalloonPaymentToBePaid" xlink:type="locator"/>

<link:label xlink:label="us-gaap_DebtInstrumentPeriodicPaymentTermsBalloonPaymentToBePaid-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_DebtInstrumentPeriodicPaymentTermsBalloonPaymentToBePaid </link:label>

<link:label xlink:label="us-gaap_DebtInstrumentPeriodicPaymentTermsBalloonPaymentToBePaid-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Debt Instrument, Periodic Payment Terms, Balloon Payment to be Paid </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentPeriodicPaymentTermsBalloonPaymentToBePaid" xlink:to="us-gaap_DebtInstrumentPeriodicPaymentTermsBalloonPaymentToBePaid-label" xlink:type="arc"/>

<link:loc xlink:href="https://xbrl.sec.gov/country/2020/country-2020-01-31.xsd#country_ID" xlink:label="country_ID" xlink:type="locator"/>

<link:label xlink:label="country_ID-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> INDONESIA </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="country_ID" xlink:to="country_ID-label" xlink:type="arc"/>

<link:loc xlink:href="https://xbrl.sec.gov/country/2020/country-2020-01-31.xsd#country_IL" xlink:label="country_IL" xlink:type="locator"/>

<link:label xlink:label="country_IL-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ISRAEL </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="country_IL" xlink:to="country_IL-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAnnualForfeitureRate" xlink:label="ora_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAnnualForfeitureRate" xlink:type="locator"/>

<link:label xlink:label="ora_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAnnualForfeitureRate-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAnnualForfeitureRate </link:label>

<link:label xlink:label="ora_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAnnualForfeitureRate-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Annual Forfeiture Rate </link:label>

<link:label xlink:label="ora_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAnnualForfeitureRate-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Share based compensation arrangement by share based payment award fair value assumptions annual forfeiture rate. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAnnualForfeitureRate" xlink:to="ora_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAnnualForfeitureRate-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_IncreaseDecreaseInStockBasedCompensationExpenseDueToForfeitures" xlink:label="ora_IncreaseDecreaseInStockBasedCompensationExpenseDueToForfeitures" xlink:type="locator"/>

<link:label xlink:label="ora_IncreaseDecreaseInStockBasedCompensationExpenseDueToForfeitures-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_IncreaseDecreaseInStockBasedCompensationExpenseDueToForfeitures </link:label>

<link:label xlink:label="ora_IncreaseDecreaseInStockBasedCompensationExpenseDueToForfeitures-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Increase (Decrease) In Stock Based Compensation Expense Due To Forfeitures, Percent </link:label>

<link:label xlink:label="ora_IncreaseDecreaseInStockBasedCompensationExpenseDueToForfeitures-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The percentage of increase (decrease) in the stock-based compensation expense due to forfeitures. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_IncreaseDecreaseInStockBasedCompensationExpenseDueToForfeitures" xlink:to="ora_IncreaseDecreaseInStockBasedCompensationExpenseDueToForfeitures-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsDividendsGrowthRate" xlink:label="ora_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsDividendsGrowthRate" xlink:type="locator"/>

<link:label xlink:label="ora_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsDividendsGrowthRate-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsDividendsGrowthRate </link:label>

<link:label xlink:label="ora_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsDividendsGrowthRate-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Dividends Growth Rate </link:label>

<link:label xlink:label="ora_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsDividendsGrowthRate-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Share based compensation arrangement by share based payment award fair value assumptions dividends growth rate. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsDividendsGrowthRate" xlink:to="ora_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsDividendsGrowthRate-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncreaseDecreaseInContractWithCustomerLiability" xlink:label="us-gaap_IncreaseDecreaseInContractWithCustomerLiability" xlink:type="locator"/>

<link:label xlink:label="us-gaap_IncreaseDecreaseInContractWithCustomerLiability-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_IncreaseDecreaseInContractWithCustomerLiability </link:label>

<link:label xlink:label="us-gaap_IncreaseDecreaseInContractWithCustomerLiability-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Billings in excess of costs and estimated earnings on uncompleted contracts </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInContractWithCustomerLiability" xlink:to="us-gaap_IncreaseDecreaseInContractWithCustomerLiability-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SharesOutstanding" xlink:label="us-gaap_SharesOutstanding" xlink:type="locator"/>

<link:label xlink:label="us-gaap_SharesOutstanding-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_SharesOutstanding </link:label>

<link:label xlink:label="us-gaap_SharesOutstanding-label" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US"> Balance (in shares) </link:label>

<link:label xlink:label="us-gaap_SharesOutstanding-label" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US"> Balance (in shares) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharesOutstanding" xlink:to="us-gaap_SharesOutstanding-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommonStockSharesOutstanding" xlink:label="us-gaap_CommonStockSharesOutstanding" xlink:type="locator"/>

<link:label xlink:label="us-gaap_CommonStockSharesOutstanding-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Common stock, shares outstanding (in shares) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockSharesOutstanding" xlink:to="us-gaap_CommonStockSharesOutstanding-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsWeightedAverageExpectedDividendRate" xlink:label="ora_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsWeightedAverageExpectedDividendRate" xlink:type="locator"/>

<link:label xlink:label="ora_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsWeightedAverageExpectedDividendRate-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsWeightedAverageExpectedDividendRate </link:label>

<link:label xlink:label="ora_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsWeightedAverageExpectedDividendRate-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Weighted Average Expected Dividend Rate </link:label>

<link:label xlink:label="ora_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsWeightedAverageExpectedDividendRate-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Sharebased compensation arrangement by sharebased payment award fair value assumptions weighted average expected dividend rate. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsWeightedAverageExpectedDividendRate" xlink:to="ora_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsWeightedAverageExpectedDividendRate-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_Galena2PowerPurchaseAgreementMember" xlink:label="ora_Galena2PowerPurchaseAgreementMember" xlink:type="locator"/>

<link:label xlink:label="ora_Galena2PowerPurchaseAgreementMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Galena 2 Power Purchase Agreement [Member] </link:label>

<link:label xlink:label="ora_Galena2PowerPurchaseAgreementMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Related to the Galena 2 Power Purchase Agreement. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_Galena2PowerPurchaseAgreementMember" xlink:to="ora_Galena2PowerPurchaseAgreementMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_DebtInstrumentNumberOfQuarterlyPayments" xlink:label="ora_DebtInstrumentNumberOfQuarterlyPayments" xlink:type="locator"/>

<link:label xlink:label="ora_DebtInstrumentNumberOfQuarterlyPayments-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_DebtInstrumentNumberOfQuarterlyPayments </link:label>

<link:label xlink:label="ora_DebtInstrumentNumberOfQuarterlyPayments-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Debt Instrument Number of Quarterly Payments </link:label>

<link:label xlink:label="ora_DebtInstrumentNumberOfQuarterlyPayments-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The number of quarterly payments on the debt instrument. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_DebtInstrumentNumberOfQuarterlyPayments" xlink:to="ora_DebtInstrumentNumberOfQuarterlyPayments-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate1" xlink:label="us-gaap_DebtInstrumentBasisSpreadOnVariableRate1" xlink:type="locator"/>

<link:label xlink:label="us-gaap_DebtInstrumentBasisSpreadOnVariableRate1-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Annual Interest Rate, Variable </link:label>

<link:label xlink:label="us-gaap_DebtInstrumentBasisSpreadOnVariableRate1-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Debt Instrument, Basis Spread on Variable Rate </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentBasisSpreadOnVariableRate1" xlink:to="us-gaap_DebtInstrumentBasisSpreadOnVariableRate1-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:label="us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:type="locator"/>

<link:label xlink:label="us-gaap_DebtInstrumentInterestRateStatedPercentage-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Annual Interest Rate </link:label>

<link:label xlink:label="us-gaap_DebtInstrumentInterestRateStatedPercentage-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Debt Instrument, Interest Rate, Stated Percentage </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:to="us-gaap_DebtInstrumentInterestRateStatedPercentage-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_VariableLeaseCost" xlink:label="us-gaap_VariableLeaseCost" xlink:type="locator"/>

<link:label xlink:label="us-gaap_VariableLeaseCost-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Variable lease cost </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_VariableLeaseCost" xlink:to="us-gaap_VariableLeaseCost-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_StockOptionsAndStockAppreciationRightsMember" xlink:label="ora_StockOptionsAndStockAppreciationRightsMember" xlink:type="locator"/>

<link:label xlink:label="ora_StockOptionsAndStockAppreciationRightsMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Stock Options And Stock Appreciation Rights [Member] </link:label>

<link:label xlink:label="ora_StockOptionsAndStockAppreciationRightsMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Related to stock options and stock appreciation rights. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_StockOptionsAndStockAppreciationRightsMember" xlink:to="ora_StockOptionsAndStockAppreciationRightsMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LeaseCost" xlink:label="us-gaap_LeaseCost" xlink:type="locator"/>

<link:label xlink:label="us-gaap_LeaseCost-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_LeaseCost </link:label>

<link:label xlink:label="us-gaap_LeaseCost-label" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total lease cost </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LeaseCost" xlink:to="us-gaap_LeaseCost-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_OtherComprehensiveIncomeLossFromEquityMethodInvestmentsUnrealizedGainsLossesOnDerivativeInstrumentsNetOfTax" xlink:label="ora_OtherComprehensiveIncomeLossFromEquityMethodInvestmentsUnrealizedGainsLossesOnDerivativeInstrumentsNetOfTax" xlink:type="locator"/>

<link:label xlink:label="ora_OtherComprehensiveIncomeLossFromEquityMethodInvestmentsUnrealizedGainsLossesOnDerivativeInstrumentsNetOfTax-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Change, net of deferred tax, in unrealized gains (losses) in respect of the Company’s share in derivative instruments of unconsolidated investment </link:label>

<link:label xlink:label="ora_OtherComprehensiveIncomeLossFromEquityMethodInvestmentsUnrealizedGainsLossesOnDerivativeInstrumentsNetOfTax-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The entity's proportionate share for the period of the other comprehensive income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. This item represents after tax unrealized gains (loss) recognized during the period. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_OtherComprehensiveIncomeLossFromEquityMethodInvestmentsUnrealizedGainsLossesOnDerivativeInstrumentsNetOfTax" xlink:to="ora_OtherComprehensiveIncomeLossFromEquityMethodInvestmentsUnrealizedGainsLossesOnDerivativeInstrumentsNetOfTax-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets" xlink:label="us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets" xlink:type="locator"/>

<link:label xlink:label="us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets </link:label>

<link:label xlink:label="us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets-label" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Prepaid expenses and other </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets" xlink:to="us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent" xlink:label="us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent" xlink:type="locator"/>

<link:label xlink:label="us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent </link:label>

<link:label xlink:label="us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Operating Lease, Weighted Average Discount Rate, Percent </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent" xlink:to="us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent-label" xlink:type="arc"/>

<link:loc xlink:href="https://xbrl.sec.gov/country/2020/country-2020-01-31.xsd#country_KE" xlink:label="country_KE" xlink:type="locator"/>

<link:label xlink:label="country_KE-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> KENYA </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="country_KE" xlink:to="country_KE-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncreaseDecreaseInIntangibleAssetsCurrent" xlink:label="us-gaap_IncreaseDecreaseInIntangibleAssetsCurrent" xlink:type="locator"/>

<link:label xlink:label="us-gaap_IncreaseDecreaseInIntangibleAssetsCurrent-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_IncreaseDecreaseInIntangibleAssetsCurrent </link:label>

<link:label xlink:label="us-gaap_IncreaseDecreaseInIntangibleAssetsCurrent-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Increase (Decrease) in Intangible Assets, Current </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInIntangibleAssetsCurrent" xlink:to="us-gaap_IncreaseDecreaseInIntangibleAssetsCurrent-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_NonEmployeeDirectorMember" xlink:label="ora_NonEmployeeDirectorMember" xlink:type="locator"/>

<link:label xlink:label="ora_NonEmployeeDirectorMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Non Employee Director [Member] </link:label>

<link:label xlink:label="ora_NonEmployeeDirectorMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Related to a non employee director. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_NonEmployeeDirectorMember" xlink:to="ora_NonEmployeeDirectorMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LeaseCostAbstract" xlink:label="us-gaap_LeaseCostAbstract" xlink:type="locator"/>

<link:label xlink:label="us-gaap_LeaseCostAbstract-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Lease cost </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LeaseCostAbstract" xlink:to="us-gaap_LeaseCostAbstract-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingLeaseCost" xlink:label="us-gaap_OperatingLeaseCost" xlink:type="locator"/>

<link:label xlink:label="us-gaap_OperatingLeaseCost-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating lease cost </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeaseCost" xlink:to="us-gaap_OperatingLeaseCost-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncreaseDecreaseInDepositOtherAssets" xlink:label="us-gaap_IncreaseDecreaseInDepositOtherAssets" xlink:type="locator"/>

<link:label xlink:label="us-gaap_IncreaseDecreaseInDepositOtherAssets-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_IncreaseDecreaseInDepositOtherAssets </link:label>

<link:label xlink:label="us-gaap_IncreaseDecreaseInDepositOtherAssets-label" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Deposits and other </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInDepositOtherAssets" xlink:to="us-gaap_IncreaseDecreaseInDepositOtherAssets-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_PrimaryCustomersMember" xlink:label="ora_PrimaryCustomersMember" xlink:type="locator"/>

<link:label xlink:label="ora_PrimaryCustomersMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Primary Customers [Member] </link:label>

<link:label xlink:label="ora_PrimaryCustomersMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents entity's primary customers. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_PrimaryCustomersMember" xlink:to="ora_PrimaryCustomersMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShortTermLeaseCost" xlink:label="us-gaap_ShortTermLeaseCost" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ShortTermLeaseCost-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Short-term lease cost </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShortTermLeaseCost" xlink:to="us-gaap_ShortTermLeaseCost-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LeaseCostTableTextBlock" xlink:label="us-gaap_LeaseCostTableTextBlock" xlink:type="locator"/>

<link:label xlink:label="us-gaap_LeaseCostTableTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Lease, Cost [Table Text Block] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LeaseCostTableTextBlock" xlink:to="us-gaap_LeaseCostTableTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedForfeitures" xlink:label="ora_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedForfeitures" xlink:type="locator"/>

<link:label xlink:label="ora_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedForfeitures-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Weighted average forfeiture rate </link:label>

<link:label xlink:label="ora_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedForfeitures-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Share based compensation arrangement by share based payment award fair value assumptions expected forfeitures. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedForfeitures" xlink:to="ora_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedForfeitures-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_May2020SARsRSUsAndPSUsMember" xlink:label="ora_May2020SARsRSUsAndPSUsMember" xlink:type="locator"/>

<link:label xlink:label="ora_May2020SARsRSUsAndPSUsMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> May 2020 SARs, RSUs and PSUs [Member] </link:label>

<link:label xlink:label="ora_May2020SARsRSUsAndPSUsMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents SARs, RSUs and PSUs issued in May 2020. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_May2020SARsRSUsAndPSUsMember" xlink:to="ora_May2020SARsRSUsAndPSUsMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CapitalUnitClassDomain" xlink:label="us-gaap_CapitalUnitClassDomain" xlink:type="locator"/>

<link:label xlink:label="us-gaap_CapitalUnitClassDomain-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Capital Unit, Class [Domain] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalUnitClassDomain" xlink:to="us-gaap_CapitalUnitClassDomain-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability" xlink:label="us-gaap_RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability" xlink:type="locator"/>

<link:label xlink:label="us-gaap_RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Right-of-use assets obtained in exchange for new finance lease liabilities </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability" xlink:to="us-gaap_RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_June2020SARsRSUsAndPSUsMember" xlink:label="ora_June2020SARsRSUsAndPSUsMember" xlink:type="locator"/>

<link:label xlink:label="ora_June2020SARsRSUsAndPSUsMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> June 2020 SARs, RSUs and PSUs [Member] </link:label>

<link:label xlink:label="ora_June2020SARsRSUsAndPSUsMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents SARs, RSUs and PSUs issued in June 2020. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_June2020SARsRSUsAndPSUsMember" xlink:to="ora_June2020SARsRSUsAndPSUsMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CapitalUnitClassBMember" xlink:label="us-gaap_CapitalUnitClassBMember" xlink:type="locator"/>

<link:label xlink:label="us-gaap_CapitalUnitClassBMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Capital Unit, Class B [Member] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalUnitClassBMember" xlink:to="us-gaap_CapitalUnitClassBMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability" xlink:label="us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability" xlink:type="locator"/>

<link:label xlink:label="us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Right-of-use assets obtained in exchange for new operating lease liabilities </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability" xlink:to="us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_AmatitlanLoanMember" xlink:label="ora_AmatitlanLoanMember" xlink:type="locator"/>

<link:label xlink:label="ora_AmatitlanLoanMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Amatitlan Loan [Member] </link:label>

<link:label xlink:label="ora_AmatitlanLoanMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Information pertaining to the Amatitlan loan. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_AmatitlanLoanMember" xlink:to="ora_AmatitlanLoanMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CapitalUnitClassAMember" xlink:label="us-gaap_CapitalUnitClassAMember" xlink:type="locator"/>

<link:label xlink:label="us-gaap_CapitalUnitClassAMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Capital Unit, Class A [Member] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalUnitClassAMember" xlink:to="us-gaap_CapitalUnitClassAMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1" xlink:label="us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1" xlink:type="locator"/>

<link:label xlink:label="us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Weighted-average remaining lease term — operating leases (in years) (Year) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1" xlink:to="us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_ShareBasedCompensationArrangementByShareBasedPaymentAwardExercisableNumber" xlink:label="ora_ShareBasedCompensationArrangementByShareBasedPaymentAwardExercisableNumber" xlink:type="locator"/>

<link:label xlink:label="ora_ShareBasedCompensationArrangementByShareBasedPaymentAwardExercisableNumber-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Options and SARs exercisable at end of year (in shares) </link:label>

<link:label xlink:label="ora_ShareBasedCompensationArrangementByShareBasedPaymentAwardExercisableNumber-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Share based compensation arrangement by share based payment award exercisable number. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_ShareBasedCompensationArrangementByShareBasedPaymentAwardExercisableNumber" xlink:to="ora_ShareBasedCompensationArrangementByShareBasedPaymentAwardExercisableNumber-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_ShareBasedCompensationArrangementByShareBasedPaymentAwardExercisableWeightedAverageExercisePrice" xlink:label="ora_ShareBasedCompensationArrangementByShareBasedPaymentAwardExercisableWeightedAverageExercisePrice" xlink:type="locator"/>

<link:label xlink:label="ora_ShareBasedCompensationArrangementByShareBasedPaymentAwardExercisableWeightedAverageExercisePrice-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options and stock appreciation rights outstanding and currently exercisable under the stock option plan. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_ShareBasedCompensationArrangementByShareBasedPaymentAwardExercisableWeightedAverageExercisePrice" xlink:to="ora_ShareBasedCompensationArrangementByShareBasedPaymentAwardExercisableWeightedAverageExercisePrice-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_ShareBasedCompensationArrangementByShareBasedPaymentAwardWeightedAverageGrantDateFairValue" xlink:label="ora_ShareBasedCompensationArrangementByShareBasedPaymentAwardWeightedAverageGrantDateFairValue" xlink:type="locator"/>

<link:label xlink:label="ora_ShareBasedCompensationArrangementByShareBasedPaymentAwardWeightedAverageGrantDateFairValue-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Weighted-average fair value of awards granted during the year, weighted average exercise price (in dollars per share) </link:label>

<link:label xlink:label="ora_ShareBasedCompensationArrangementByShareBasedPaymentAwardWeightedAverageGrantDateFairValue-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The weighted-average price as of the balance sheet date at which grants the fair value of options and stock appreciation rights. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_ShareBasedCompensationArrangementByShareBasedPaymentAwardWeightedAverageGrantDateFairValue" xlink:to="ora_ShareBasedCompensationArrangementByShareBasedPaymentAwardWeightedAverageGrantDateFairValue-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentFaceAmount" xlink:label="us-gaap_DebtInstrumentFaceAmount" xlink:type="locator"/>

<link:label xlink:label="us-gaap_DebtInstrumentFaceAmount-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Amount Issued </link:label>

<link:label xlink:label="us-gaap_DebtInstrumentFaceAmount-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Debt Instrument, Face Amount </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentFaceAmount" xlink:to="us-gaap_DebtInstrumentFaceAmount-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_ExercisePrice1Member" xlink:label="ora_ExercisePrice1Member" xlink:type="locator"/>

<link:label xlink:label="ora_ExercisePrice1Member-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Exercise Price 1 [Member] </link:label>

<link:label xlink:label="ora_ExercisePrice1Member-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The description of the exercise price group. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_ExercisePrice1Member" xlink:to="ora_ExercisePrice1Member-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_ExercisePrice2Member" xlink:label="ora_ExercisePrice2Member" xlink:type="locator"/>

<link:label xlink:label="ora_ExercisePrice2Member-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Exercise Price 2 [Member] </link:label>

<link:label xlink:label="ora_ExercisePrice2Member-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The description of the exercise price group. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_ExercisePrice2Member" xlink:to="ora_ExercisePrice2Member-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_InterimPeriodCostsNotAllocableDomain" xlink:label="us-gaap_InterimPeriodCostsNotAllocableDomain" xlink:type="locator"/>

<link:label xlink:label="us-gaap_InterimPeriodCostsNotAllocableDomain-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Interim Period, Costs Not Allocable [Domain] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterimPeriodCostsNotAllocableDomain" xlink:to="us-gaap_InterimPeriodCostsNotAllocableDomain-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_ExercisePrice3Member" xlink:label="ora_ExercisePrice3Member" xlink:type="locator"/>

<link:label xlink:label="ora_ExercisePrice3Member-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Exercise Price 3 [Member] </link:label>

<link:label xlink:label="ora_ExercisePrice3Member-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The description of the exercise price group. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_ExercisePrice3Member" xlink:to="ora_ExercisePrice3Member-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_ExercisePrice4Member" xlink:label="ora_ExercisePrice4Member" xlink:type="locator"/>

<link:label xlink:label="ora_ExercisePrice4Member-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Exercise Price 4 [Member] </link:label>

<link:label xlink:label="ora_ExercisePrice4Member-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The description of the exercise price group. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_ExercisePrice4Member" xlink:to="ora_ExercisePrice4Member-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_ProjectedMember" xlink:label="ora_ProjectedMember" xlink:type="locator"/>

<link:label xlink:label="ora_ProjectedMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Projected [Member] </link:label>

<link:label xlink:label="ora_ProjectedMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Related to projected items. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_ProjectedMember" xlink:to="ora_ProjectedMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_ExercisePrice5Member" xlink:label="ora_ExercisePrice5Member" xlink:type="locator"/>

<link:label xlink:label="ora_ExercisePrice5Member-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Exercise Price 5 [Member] </link:label>

<link:label xlink:label="ora_ExercisePrice5Member-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The description of the exercise price group. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_ExercisePrice5Member" xlink:to="ora_ExercisePrice5Member-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_ExercisePrice6Member" xlink:label="ora_ExercisePrice6Member" xlink:type="locator"/>

<link:label xlink:label="ora_ExercisePrice6Member-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Exercise Price 6 [Member] </link:label>

<link:label xlink:label="ora_ExercisePrice6Member-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The description of the exercise price group. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_ExercisePrice6Member" xlink:to="ora_ExercisePrice6Member-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_ExercisePrice7Member" xlink:label="ora_ExercisePrice7Member" xlink:type="locator"/>

<link:label xlink:label="ora_ExercisePrice7Member-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Exercise Price 7 [Member] </link:label>

<link:label xlink:label="ora_ExercisePrice7Member-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The description of the exercise price group. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_ExercisePrice7Member" xlink:to="ora_ExercisePrice7Member-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_ExercisePrice8Member" xlink:label="ora_ExercisePrice8Member" xlink:type="locator"/>

<link:label xlink:label="ora_ExercisePrice8Member-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Exercise Price 8 [Member] </link:label>

<link:label xlink:label="ora_ExercisePrice8Member-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The description of the exercise price group. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_ExercisePrice8Member" xlink:to="ora_ExercisePrice8Member-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_ExercisePrice9Member" xlink:label="ora_ExercisePrice9Member" xlink:type="locator"/>

<link:label xlink:label="ora_ExercisePrice9Member-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Exercise Price 9 [Member] </link:label>

<link:label xlink:label="ora_ExercisePrice9Member-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The description of the exercise price group. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_ExercisePrice9Member" xlink:to="ora_ExercisePrice9Member-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CapitalUnitsByClassAxis" xlink:label="us-gaap_CapitalUnitsByClassAxis" xlink:type="locator"/>

<link:label xlink:label="us-gaap_CapitalUnitsByClassAxis-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Capital Units by Class [Axis] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalUnitsByClassAxis" xlink:to="us-gaap_CapitalUnitsByClassAxis-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NatureOfExpenseAxis" xlink:label="us-gaap_NatureOfExpenseAxis" xlink:type="locator"/>

<link:label xlink:label="us-gaap_NatureOfExpenseAxis-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Nature of Expense [Axis] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NatureOfExpenseAxis" xlink:to="us-gaap_NatureOfExpenseAxis-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_ExercisePrice10Member" xlink:label="ora_ExercisePrice10Member" xlink:type="locator"/>

<link:label xlink:label="ora_ExercisePrice10Member-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Exercise Price 10 [Member] </link:label>

<link:label xlink:label="ora_ExercisePrice10Member-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The description of the exercise price group. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_ExercisePrice10Member" xlink:to="ora_ExercisePrice10Member-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_ExercisePrice11Member" xlink:label="ora_ExercisePrice11Member" xlink:type="locator"/>

<link:label xlink:label="ora_ExercisePrice11Member-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Exercise Price 11 [Member] </link:label>

<link:label xlink:label="ora_ExercisePrice11Member-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The description of the exercise price group. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_ExercisePrice11Member" xlink:to="ora_ExercisePrice11Member-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="us-gaap_DebtInstrumentAxis" xlink:type="locator"/>

<link:label xlink:label="us-gaap_DebtInstrumentAxis-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Instrument [Axis] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentAxis" xlink:to="us-gaap_DebtInstrumentAxis-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_ExercisePrice12Member" xlink:label="ora_ExercisePrice12Member" xlink:type="locator"/>

<link:label xlink:label="ora_ExercisePrice12Member-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Exercise Price 12 [Member] </link:label>

<link:label xlink:label="ora_ExercisePrice12Member-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The description of the exercise price group. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_ExercisePrice12Member" xlink:to="ora_ExercisePrice12Member-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="us-gaap_DebtInstrumentNameDomain" xlink:type="locator"/>

<link:label xlink:label="us-gaap_DebtInstrumentNameDomain-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Instrument, Name [Domain] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentNameDomain" xlink:to="us-gaap_DebtInstrumentNameDomain-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_ExercisePrice13Member" xlink:label="ora_ExercisePrice13Member" xlink:type="locator"/>

<link:label xlink:label="ora_ExercisePrice13Member-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Exercise Price 13 [Member] </link:label>

<link:label xlink:label="ora_ExercisePrice13Member-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The description of the exercise price group. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_ExercisePrice13Member" xlink:to="ora_ExercisePrice13Member-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DividendsCommonStock" xlink:label="us-gaap_DividendsCommonStock" xlink:type="locator"/>

<link:label xlink:label="us-gaap_DividendsCommonStock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_DividendsCommonStock </link:label>

<link:label xlink:label="us-gaap_DividendsCommonStock-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Dividends, Common Stock, Total </link:label>

<link:label xlink:label="us-gaap_DividendsCommonStock-label" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Cash dividend declared </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DividendsCommonStock" xlink:to="us-gaap_DividendsCommonStock-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_ExercisePrice14Member" xlink:label="ora_ExercisePrice14Member" xlink:type="locator"/>

<link:label xlink:label="ora_ExercisePrice14Member-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Exercise Price 14 [Member] </link:label>

<link:label xlink:label="ora_ExercisePrice14Member-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The description of the exercise price group. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_ExercisePrice14Member" xlink:to="ora_ExercisePrice14Member-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LondonInterbankOfferedRateLIBORMember" xlink:label="us-gaap_LondonInterbankOfferedRateLIBORMember" xlink:type="locator"/>

<link:label xlink:label="us-gaap_LondonInterbankOfferedRateLIBORMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> London Interbank Offered Rate (LIBOR) [Member] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LondonInterbankOfferedRateLIBORMember" xlink:to="us-gaap_LondonInterbankOfferedRateLIBORMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_ExercisePrice15Member" xlink:label="ora_ExercisePrice15Member" xlink:type="locator"/>

<link:label xlink:label="ora_ExercisePrice15Member-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Exercise Price 15 [Member] </link:label>

<link:label xlink:label="ora_ExercisePrice15Member-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The description of the exercise price group. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_ExercisePrice15Member" xlink:to="ora_ExercisePrice15Member-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_ExercisePrice16Member" xlink:label="ora_ExercisePrice16Member" xlink:type="locator"/>

<link:label xlink:label="ora_ExercisePrice16Member-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Exercise Price 16 [Member] </link:label>

<link:label xlink:label="ora_ExercisePrice16Member-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The description of the exercise price group. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_ExercisePrice16Member" xlink:to="ora_ExercisePrice16Member-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_ExercisePrice17Member" xlink:label="ora_ExercisePrice17Member" xlink:type="locator"/>

<link:label xlink:label="ora_ExercisePrice17Member-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Exercise Price 17 [Member] </link:label>

<link:label xlink:label="ora_ExercisePrice17Member-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The description of the exercise price group. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_ExercisePrice17Member" xlink:to="ora_ExercisePrice17Member-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_ExercisePrice18Member" xlink:label="ora_ExercisePrice18Member" xlink:type="locator"/>

<link:label xlink:label="ora_ExercisePrice18Member-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Exercise Price 18 [Member] </link:label>

<link:label xlink:label="ora_ExercisePrice18Member-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The description of the exercise price group. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_ExercisePrice18Member" xlink:to="ora_ExercisePrice18Member-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_VariableRateDomain" xlink:label="us-gaap_VariableRateDomain" xlink:type="locator"/>

<link:label xlink:label="us-gaap_VariableRateDomain-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Variable Rate [Domain] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_VariableRateDomain" xlink:to="us-gaap_VariableRateDomain-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncreaseDecreaseInReceivables" xlink:label="us-gaap_IncreaseDecreaseInReceivables" xlink:type="locator"/>

<link:label xlink:label="us-gaap_IncreaseDecreaseInReceivables-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_IncreaseDecreaseInReceivables </link:label>

<link:label xlink:label="us-gaap_IncreaseDecreaseInReceivables-label" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Receivables </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInReceivables" xlink:to="us-gaap_IncreaseDecreaseInReceivables-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfDebtInstrumentsTextBlock" xlink:label="us-gaap_ScheduleOfDebtInstrumentsTextBlock" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ScheduleOfDebtInstrumentsTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Long-term Debt Instruments [Table Text Block] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfDebtInstrumentsTextBlock" xlink:to="us-gaap_ScheduleOfDebtInstrumentsTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_InterestExpenseDisclosureTextBlock" xlink:label="ora_InterestExpenseDisclosureTextBlock" xlink:type="locator"/>

<link:label xlink:label="ora_InterestExpenseDisclosureTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Interest Expense Disclosure [Text Block] </link:label>

<link:label xlink:label="ora_InterestExpenseDisclosureTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The entire disclosure for interest expense disclosure. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_InterestExpenseDisclosureTextBlock" xlink:to="ora_InterestExpenseDisclosureTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_VariableRateAxis" xlink:label="us-gaap_VariableRateAxis" xlink:type="locator"/>

<link:label xlink:label="us-gaap_VariableRateAxis-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Variable Rate [Axis] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_VariableRateAxis" xlink:to="us-gaap_VariableRateAxis-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_InterestExpenseSaleOfTaxBenefits" xlink:label="ora_InterestExpenseSaleOfTaxBenefits" xlink:type="locator"/>

<link:label xlink:label="ora_InterestExpenseSaleOfTaxBenefits-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_InterestExpenseSaleOfTaxBenefits </link:label>

<link:label xlink:label="ora_InterestExpenseSaleOfTaxBenefits-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Interest related to sale of tax benefits </link:label>

<link:label xlink:label="ora_InterestExpenseSaleOfTaxBenefits-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Interest expense sale of tax benefits. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_InterestExpenseSaleOfTaxBenefits" xlink:to="ora_InterestExpenseSaleOfTaxBenefits-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_TaxCreditCarryforwardExpirationYear" xlink:label="ora_TaxCreditCarryforwardExpirationYear" xlink:type="locator"/>

<link:label xlink:label="ora_TaxCreditCarryforwardExpirationYear-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_TaxCreditCarryforwardExpirationYear </link:label>

<link:label xlink:label="ora_TaxCreditCarryforwardExpirationYear-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Tax Credit Carryforward Expiration Year </link:label>

<link:label xlink:label="ora_TaxCreditCarryforwardExpirationYear-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the year for tax credit carryforward expiration. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_TaxCreditCarryforwardExpirationYear" xlink:to="ora_TaxCreditCarryforwardExpirationYear-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue" xlink:type="locator"/>

<link:label xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Stock-based compensation </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue" xlink:to="us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_QuarterlyFinancialInformationTextBlock" xlink:label="us-gaap_QuarterlyFinancialInformationTextBlock" xlink:type="locator"/>

<link:label xlink:label="us-gaap_QuarterlyFinancialInformationTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Quarterly Financial Information [Text Block] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_QuarterlyFinancialInformationTextBlock" xlink:to="us-gaap_QuarterlyFinancialInformationTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CapitalizedContractCostAxis" xlink:label="us-gaap_CapitalizedContractCostAxis" xlink:type="locator"/>

<link:label xlink:label="us-gaap_CapitalizedContractCostAxis-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Capitalized Contract Cost [Axis] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalizedContractCostAxis" xlink:to="us-gaap_CapitalizedContractCostAxis-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CapitalizedContractCostDomain" xlink:label="us-gaap_CapitalizedContractCostDomain" xlink:type="locator"/>

<link:label xlink:label="us-gaap_CapitalizedContractCostDomain-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Capitalized Contract Cost [Domain] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalizedContractCostDomain" xlink:to="us-gaap_CapitalizedContractCostDomain-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_NationalCorporateTaxRate" xlink:label="ora_NationalCorporateTaxRate" xlink:type="locator"/>

<link:label xlink:label="ora_NationalCorporateTaxRate-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_NationalCorporateTaxRate </link:label>

<link:label xlink:label="ora_NationalCorporateTaxRate-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> National Corporate Tax Rate </link:label>

<link:label xlink:label="ora_NationalCorporateTaxRate-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> National corporate tax rate. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_NationalCorporateTaxRate" xlink:to="ora_NationalCorporateTaxRate-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_EffectiveIncomeTaxRate" xlink:label="ora_EffectiveIncomeTaxRate" xlink:type="locator"/>

<link:label xlink:label="ora_EffectiveIncomeTaxRate-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_EffectiveIncomeTaxRate </link:label>

<link:label xlink:label="ora_EffectiveIncomeTaxRate-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Effective Income Tax Rate </link:label>

<link:label xlink:label="ora_EffectiveIncomeTaxRate-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Effective income tax rate. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_EffectiveIncomeTaxRate" xlink:to="ora_EffectiveIncomeTaxRate-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingLeaseLeaseIncomeLeasePayments" xlink:label="us-gaap_OperatingLeaseLeaseIncomeLeasePayments" xlink:type="locator"/>

<link:label xlink:label="us-gaap_OperatingLeaseLeaseIncomeLeasePayments-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Lease income relating to lease payments of operating leases </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeaseLeaseIncomeLeasePayments" xlink:to="us-gaap_OperatingLeaseLeaseIncomeLeasePayments-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CapitalizedCostsAssetRetirementCosts" xlink:label="us-gaap_CapitalizedCostsAssetRetirementCosts" xlink:type="locator"/>

<link:label xlink:label="us-gaap_CapitalizedCostsAssetRetirementCosts-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Asset retirement cost </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalizedCostsAssetRetirementCosts" xlink:to="us-gaap_CapitalizedCostsAssetRetirementCosts-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_OrmatSystemsLtdMember" xlink:label="ora_OrmatSystemsLtdMember" xlink:type="locator"/>

<link:label xlink:label="ora_OrmatSystemsLtdMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Ormat Systems Ltd [Member] </link:label>

<link:label xlink:label="ora_OrmatSystemsLtdMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Related to the entity Ormat Systems Ltd. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_OrmatSystemsLtdMember" xlink:to="ora_OrmatSystemsLtdMember-label" xlink:type="arc"/>

<link:loc xlink:href="https://xbrl.sec.gov/country/2020/country-2020-01-31.xsd#country_NZ" xlink:label="country_NZ" xlink:type="locator"/>

<link:label xlink:label="country_NZ-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> NEW ZEALAND </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="country_NZ" xlink:to="country_NZ-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_The2012StockIncentivePlanMember" xlink:label="ora_The2012StockIncentivePlanMember" xlink:type="locator"/>

<link:label xlink:label="ora_The2012StockIncentivePlanMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> 2012 Stock Incentive Plan [Member] </link:label>

<link:label xlink:label="ora_The2012StockIncentivePlanMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the 2012 Stock Incentive Plan. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_The2012StockIncentivePlanMember" xlink:to="ora_The2012StockIncentivePlanMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_TaxCreditCarryforwardExpirationPeriod" xlink:label="ora_TaxCreditCarryforwardExpirationPeriod" xlink:type="locator"/>

<link:label xlink:label="ora_TaxCreditCarryforwardExpirationPeriod-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_TaxCreditCarryforwardExpirationPeriod </link:label>

<link:label xlink:label="ora_TaxCreditCarryforwardExpirationPeriod-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Tax Credit Carryforward Expiration Period (Year) </link:label>

<link:label xlink:label="ora_TaxCreditCarryforwardExpirationPeriod-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Tax credit carryforward expiration period. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_TaxCreditCarryforwardExpirationPeriod" xlink:to="ora_TaxCreditCarryforwardExpirationPeriod-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingLeaseLeaseIncomeTableTextBlock" xlink:label="us-gaap_OperatingLeaseLeaseIncomeTableTextBlock" xlink:type="locator"/>

<link:label xlink:label="us-gaap_OperatingLeaseLeaseIncomeTableTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating Lease, Lease Income [Table Text Block] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeaseLeaseIncomeTableTextBlock" xlink:to="us-gaap_OperatingLeaseLeaseIncomeTableTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LongTermDebtTextBlock" xlink:label="us-gaap_LongTermDebtTextBlock" xlink:type="locator"/>

<link:label xlink:label="us-gaap_LongTermDebtTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long-term Debt [Text Block] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtTextBlock" xlink:to="us-gaap_LongTermDebtTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncreaseDecreaseInInventories" xlink:label="us-gaap_IncreaseDecreaseInInventories" xlink:type="locator"/>

<link:label xlink:label="us-gaap_IncreaseDecreaseInInventories-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_IncreaseDecreaseInInventories </link:label>

<link:label xlink:label="us-gaap_IncreaseDecreaseInInventories-label" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Inventories </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInInventories" xlink:to="us-gaap_IncreaseDecreaseInInventories-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_DeferredTaxAssetsStockOptionsAmortization" xlink:label="ora_DeferredTaxAssetsStockOptionsAmortization" xlink:type="locator"/>

<link:label xlink:label="ora_DeferredTaxAssetsStockOptionsAmortization-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Stock options amortization </link:label>

<link:label xlink:label="ora_DeferredTaxAssetsStockOptionsAmortization-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Deferred tax assets stock options amortization. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_DeferredTaxAssetsStockOptionsAmortization" xlink:to="ora_DeferredTaxAssetsStockOptionsAmortization-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_DeferredTaxAssetsLiabilitiesGross" xlink:label="ora_DeferredTaxAssetsLiabilitiesGross" xlink:type="locator"/>

<link:label xlink:label="ora_DeferredTaxAssetsLiabilitiesGross-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_DeferredTaxAssetsLiabilitiesGross </link:label>

<link:label xlink:label="ora_DeferredTaxAssetsLiabilitiesGross-label" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total </link:label>

<link:label xlink:label="ora_DeferredTaxAssetsLiabilitiesGross-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Deferred tax assets liabilities gross. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_DeferredTaxAssetsLiabilitiesGross" xlink:to="ora_DeferredTaxAssetsLiabilitiesGross-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_ScheduleOfDeferredTaxesClassifiedInBalanceSheetTableTextBlock" xlink:label="ora_ScheduleOfDeferredTaxesClassifiedInBalanceSheetTableTextBlock" xlink:type="locator"/>

<link:label xlink:label="ora_ScheduleOfDeferredTaxesClassifiedInBalanceSheetTableTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Deferred Taxes Classified in Balance Sheet [Table Text Block] </link:label>

<link:label xlink:label="ora_ScheduleOfDeferredTaxesClassifiedInBalanceSheetTableTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Tabular disclosure of deferred taxes classified in Balance Sheet. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_ScheduleOfDeferredTaxesClassifiedInBalanceSheetTableTextBlock" xlink:to="ora_ScheduleOfDeferredTaxesClassifiedInBalanceSheetTableTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised" xlink:label="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised" xlink:type="locator"/>

<link:label xlink:label="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Exercise of options by employees and directors (in shares) </link:label>

<link:label xlink:label="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised-label" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Exercised (in shares) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised" xlink:to="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:label="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:type="locator"/>

<link:label xlink:label="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity </link:label>

<link:label xlink:label="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Line of Credit Facility, Maximum Borrowing Capacity </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:to="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised" xlink:label="us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised" xlink:type="locator"/>

<link:label xlink:label="us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Exercise of options by employees and directors </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised" xlink:to="us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_JointlyOwnedUtilityPlantProportionateOwnershipShare" xlink:label="us-gaap_JointlyOwnedUtilityPlantProportionateOwnershipShare" xlink:type="locator"/>

<link:label xlink:label="us-gaap_JointlyOwnedUtilityPlantProportionateOwnershipShare-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_JointlyOwnedUtilityPlantProportionateOwnershipShare </link:label>

<link:label xlink:label="us-gaap_JointlyOwnedUtilityPlantProportionateOwnershipShare-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Jointly Owned Utility Plant, Proportionate Ownership Share </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_JointlyOwnedUtilityPlantProportionateOwnershipShare" xlink:to="us-gaap_JointlyOwnedUtilityPlantProportionateOwnershipShare-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_IsraeliSeveranceFundsMember" xlink:label="ora_IsraeliSeveranceFundsMember" xlink:type="locator"/>

<link:label xlink:label="ora_IsraeliSeveranceFundsMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Israeli Severance Funds [Member] </link:label>

<link:label xlink:label="ora_IsraeliSeveranceFundsMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Related to the Israeli severance funds. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_IsraeliSeveranceFundsMember" xlink:to="ora_IsraeliSeveranceFundsMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_GainLossOfSeveranceFund" xlink:label="ora_GainLossOfSeveranceFund" xlink:type="locator"/>

<link:label xlink:label="ora_GainLossOfSeveranceFund-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_GainLossOfSeveranceFund </link:label>

<link:label xlink:label="ora_GainLossOfSeveranceFund-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Gain (Loss) Of Severance Fund </link:label>

<link:label xlink:label="ora_GainLossOfSeveranceFund-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The gain (loss) amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_GainLossOfSeveranceFund" xlink:to="ora_GainLossOfSeveranceFund-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_DefinedBenefitPlanExpectedFutureBenefitPaymentsTotal" xlink:label="ora_DefinedBenefitPlanExpectedFutureBenefitPaymentsTotal" xlink:type="locator"/>

<link:label xlink:label="ora_DefinedBenefitPlanExpectedFutureBenefitPaymentsTotal-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_DefinedBenefitPlanExpectedFutureBenefitPaymentsTotal </link:label>

<link:label xlink:label="ora_DefinedBenefitPlanExpectedFutureBenefitPaymentsTotal-label" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total </link:label>

<link:label xlink:label="ora_DefinedBenefitPlanExpectedFutureBenefitPaymentsTotal-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Defined benefit plan expected future benefit payments total. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_DefinedBenefitPlanExpectedFutureBenefitPaymentsTotal" xlink:to="ora_DefinedBenefitPlanExpectedFutureBenefitPaymentsTotal-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_JointlyOwnedUtilityPlantDomain" xlink:label="us-gaap_JointlyOwnedUtilityPlantDomain" xlink:type="locator"/>

<link:label xlink:label="us-gaap_JointlyOwnedUtilityPlantDomain-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Jointly Owned Utility Plant [Domain] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_JointlyOwnedUtilityPlantDomain" xlink:to="us-gaap_JointlyOwnedUtilityPlantDomain-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod </link:label>

<link:label xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod-label" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Forfeited (in shares) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_PercentageForRoyaltyToBePaid" xlink:label="ora_PercentageForRoyaltyToBePaid" xlink:type="locator"/>

<link:label xlink:label="ora_PercentageForRoyaltyToBePaid-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_PercentageForRoyaltyToBePaid </link:label>

<link:label xlink:label="ora_PercentageForRoyaltyToBePaid-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Percentage For Royalty To Be Paid </link:label>

<link:label xlink:label="ora_PercentageForRoyaltyToBePaid-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The percentage of royalties to be paid. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_PercentageForRoyaltyToBePaid" xlink:to="ora_PercentageForRoyaltyToBePaid-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LineOfCreditFacilityLenderDomain" xlink:label="us-gaap_LineOfCreditFacilityLenderDomain" xlink:type="locator"/>

<link:label xlink:label="us-gaap_LineOfCreditFacilityLenderDomain-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Line of Credit Facility, Lender [Domain] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LineOfCreditFacilityLenderDomain" xlink:to="us-gaap_LineOfCreditFacilityLenderDomain-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_RoyaltyCapAmount" xlink:label="ora_RoyaltyCapAmount" xlink:type="locator"/>

<link:label xlink:label="ora_RoyaltyCapAmount-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_RoyaltyCapAmount </link:label>

<link:label xlink:label="ora_RoyaltyCapAmount-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Royalty Cap Amount </link:label>

<link:label xlink:label="ora_RoyaltyCapAmount-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The amount of royalty cap. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_RoyaltyCapAmount" xlink:to="ora_RoyaltyCapAmount-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ArrangementsAndNonarrangementTransactionsMember" xlink:label="us-gaap_ArrangementsAndNonarrangementTransactionsMember" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ArrangementsAndNonarrangementTransactionsMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Collaborative Arrangement and Arrangement Other than Collaborative [Domain] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ArrangementsAndNonarrangementTransactionsMember" xlink:to="us-gaap_ArrangementsAndNonarrangementTransactionsMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_RoyaltycapAmountLIBORRate" xlink:label="ora_RoyaltycapAmountLIBORRate" xlink:type="locator"/>

<link:label xlink:label="ora_RoyaltycapAmountLIBORRate-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_RoyaltycapAmountLIBORRate </link:label>

<link:label xlink:label="ora_RoyaltycapAmountLIBORRate-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Royalty Cap Amount LIBOR Rate </link:label>

<link:label xlink:label="ora_RoyaltycapAmountLIBORRate-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The amount of royalty cap subject to LIBOR Rate. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_RoyaltycapAmountLIBORRate" xlink:to="ora_RoyaltycapAmountLIBORRate-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_ConstructionInProcessMember" xlink:label="ora_ConstructionInProcessMember" xlink:type="locator"/>

<link:label xlink:label="ora_ConstructionInProcessMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Construction In Process [Member] </link:label>

<link:label xlink:label="ora_ConstructionInProcessMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The type of purchase commitment that pertains to construction in process. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_ConstructionInProcessMember" xlink:to="ora_ConstructionInProcessMember-label" xlink:type="arc"/>

<link:loc xlink:href="https://xbrl.sec.gov/country/2020/country-2020-01-31.xsd#country_TR" xlink:label="country_TR" xlink:type="locator"/>

<link:label xlink:label="country_TR-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> TURKEY </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="country_TR" xlink:to="country_TR-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_JointlyOwnedUtilityPlantAxis" xlink:label="us-gaap_JointlyOwnedUtilityPlantAxis" xlink:type="locator"/>

<link:label xlink:label="us-gaap_JointlyOwnedUtilityPlantAxis-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Jointly Owned Utility Plant [Axis] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_JointlyOwnedUtilityPlantAxis" xlink:to="us-gaap_JointlyOwnedUtilityPlantAxis-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:label="us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:type="locator"/>

<link:label xlink:label="us-gaap_StockIssuedDuringPeriodSharesNewIssues-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Common stock issuance (in shares) </link:label>

<link:label xlink:label="us-gaap_StockIssuedDuringPeriodSharesNewIssues-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Stock Issued During Period, Shares, New Issues (in shares) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:to="us-gaap_StockIssuedDuringPeriodSharesNewIssues-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LineOfCreditFacilityAxis" xlink:label="us-gaap_LineOfCreditFacilityAxis" xlink:type="locator"/>

<link:label xlink:label="us-gaap_LineOfCreditFacilityAxis-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Lender Name [Axis] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LineOfCreditFacilityAxis" xlink:to="us-gaap_LineOfCreditFacilityAxis-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CashFDICInsuredAmount" xlink:label="us-gaap_CashFDICInsuredAmount" xlink:type="locator"/>

<link:label xlink:label="us-gaap_CashFDICInsuredAmount-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_CashFDICInsuredAmount </link:label>

<link:label xlink:label="us-gaap_CashFDICInsuredAmount-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Cash, FDIC Insured Amount </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashFDICInsuredAmount" xlink:to="us-gaap_CashFDICInsuredAmount-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity" xlink:type="locator"/>

<link:label xlink:label="us-gaap_LiabilitiesAndStockholdersEquity-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_LiabilitiesAndStockholdersEquity </link:label>

<link:label xlink:label="us-gaap_LiabilitiesAndStockholdersEquity-label" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total liabilities, redeemable noncontrolling interest and equity </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesAndStockholdersEquity" xlink:to="us-gaap_LiabilitiesAndStockholdersEquity-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CashUninsuredAmount" xlink:label="us-gaap_CashUninsuredAmount" xlink:type="locator"/>

<link:label xlink:label="us-gaap_CashUninsuredAmount-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_CashUninsuredAmount </link:label>

<link:label xlink:label="us-gaap_CashUninsuredAmount-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Cash, Uninsured Amount </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashUninsuredAmount" xlink:to="us-gaap_CashUninsuredAmount-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CarryingReportedAmountFairValueDisclosureMember" xlink:label="us-gaap_CarryingReportedAmountFairValueDisclosureMember" xlink:type="locator"/>

<link:label xlink:label="us-gaap_CarryingReportedAmountFairValueDisclosureMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Reported Value Measurement [Member] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CarryingReportedAmountFairValueDisclosureMember" xlink:to="us-gaap_CarryingReportedAmountFairValueDisclosureMember-label" xlink:type="arc"/>

<link:loc xlink:href="https://xbrl.sec.gov/country/2020/country-2020-01-31.xsd#country_US" xlink:label="country_US" xlink:type="locator"/>

<link:label xlink:label="country_US-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> UNITED STATES </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="country_US" xlink:to="country_US-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueNewIssues" xlink:label="us-gaap_StockIssuedDuringPeriodValueNewIssues" xlink:type="locator"/>

<link:label xlink:label="us-gaap_StockIssuedDuringPeriodValueNewIssues-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Common stock issuance </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockIssuedDuringPeriodValueNewIssues" xlink:to="us-gaap_StockIssuedDuringPeriodValueNewIssues-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncreaseDecreaseInContractWithCustomerAsset" xlink:label="us-gaap_IncreaseDecreaseInContractWithCustomerAsset" xlink:type="locator"/>

<link:label xlink:label="us-gaap_IncreaseDecreaseInContractWithCustomerAsset-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_IncreaseDecreaseInContractWithCustomerAsset </link:label>

<link:label xlink:label="us-gaap_IncreaseDecreaseInContractWithCustomerAsset-label" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Costs and estimated earnings in excess of billings on uncompleted contracts </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInContractWithCustomerAsset" xlink:to="us-gaap_IncreaseDecreaseInContractWithCustomerAsset-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit" xlink:type="locator"/>

<link:label xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Retained earnings </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RetainedEarningsAccumulatedDeficit" xlink:to="us-gaap_RetainedEarningsAccumulatedDeficit-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:type="locator"/>

<link:label xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accumulated other comprehensive loss </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:to="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AssetRetirementObligationRevisionOfEstimate" xlink:label="us-gaap_AssetRetirementObligationRevisionOfEstimate" xlink:type="locator"/>

<link:label xlink:label="us-gaap_AssetRetirementObligationRevisionOfEstimate-label" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Revision in estimated cash flows </link:label>

<link:label xlink:label="us-gaap_AssetRetirementObligationRevisionOfEstimate-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_AssetRetirementObligationRevisionOfEstimate </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetRetirementObligationRevisionOfEstimate" xlink:to="us-gaap_AssetRetirementObligationRevisionOfEstimate-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_MeasurementInputDiscountRateMember" xlink:label="us-gaap_MeasurementInputDiscountRateMember" xlink:type="locator"/>

<link:label xlink:label="us-gaap_MeasurementInputDiscountRateMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Measurement Input, Discount Rate [Member] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MeasurementInputDiscountRateMember" xlink:to="us-gaap_MeasurementInputDiscountRateMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_OtherComprehensiveIncomeLossFromEquityMethodInvestmentsUnrealizedGainsLossesOnDerivativeInstrumentsTax" xlink:label="ora_OtherComprehensiveIncomeLossFromEquityMethodInvestmentsUnrealizedGainsLossesOnDerivativeInstrumentsTax" xlink:type="locator"/>

<link:label xlink:label="ora_OtherComprehensiveIncomeLossFromEquityMethodInvestmentsUnrealizedGainsLossesOnDerivativeInstrumentsTax-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The entity's proportionate share for the period of the tax on other comprehensive income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. This item represents after tax unrealized gains (loss) recognized during the period. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_OtherComprehensiveIncomeLossFromEquityMethodInvestmentsUnrealizedGainsLossesOnDerivativeInstrumentsTax" xlink:to="ora_OtherComprehensiveIncomeLossFromEquityMethodInvestmentsUnrealizedGainsLossesOnDerivativeInstrumentsTax-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AssetRetirementObligationDisclosureTextBlock" xlink:label="us-gaap_AssetRetirementObligationDisclosureTextBlock" xlink:type="locator"/>

<link:label xlink:label="us-gaap_AssetRetirementObligationDisclosureTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Asset Retirement Obligation Disclosure [Text Block] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetRetirementObligationDisclosureTextBlock" xlink:to="us-gaap_AssetRetirementObligationDisclosureTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:label="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:type="locator"/>

<link:label xlink:label="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Changes in operating assets and liabilities, net of businesses acquired: </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:to="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NotesPayableFairValueDisclosure" xlink:label="us-gaap_NotesPayableFairValueDisclosure" xlink:type="locator"/>

<link:label xlink:label="us-gaap_NotesPayableFairValueDisclosure-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Notes </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NotesPayableFairValueDisclosure" xlink:to="us-gaap_NotesPayableFairValueDisclosure-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LoansPayableFairValueDisclosure" xlink:label="us-gaap_LoansPayableFairValueDisclosure" xlink:type="locator"/>

<link:label xlink:label="us-gaap_LoansPayableFairValueDisclosure-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Loans </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LoansPayableFairValueDisclosure" xlink:to="us-gaap_LoansPayableFairValueDisclosure-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LinesOfCreditFairValueDisclosure" xlink:label="us-gaap_LinesOfCreditFairValueDisclosure" xlink:type="locator"/>

<link:label xlink:label="us-gaap_LinesOfCreditFairValueDisclosure-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_LinesOfCreditFairValueDisclosure </link:label>

<link:label xlink:label="us-gaap_LinesOfCreditFairValueDisclosure-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Revolving lines of credit </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LinesOfCreditFairValueDisclosure" xlink:to="us-gaap_LinesOfCreditFairValueDisclosure-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherNoncashIncomeExpense" xlink:label="us-gaap_OtherNoncashIncomeExpense" xlink:type="locator"/>

<link:label xlink:label="us-gaap_OtherNoncashIncomeExpense-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_OtherNoncashIncomeExpense </link:label>

<link:label xlink:label="us-gaap_OtherNoncashIncomeExpense-label" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Other </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherNoncashIncomeExpense" xlink:to="us-gaap_OtherNoncashIncomeExpense-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfCashAndCashEquivalentsTableTextBlock" xlink:label="us-gaap_ScheduleOfCashAndCashEquivalentsTableTextBlock" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ScheduleOfCashAndCashEquivalentsTableTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Cash and Cash Equivalents [Table Text Block] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfCashAndCashEquivalentsTableTextBlock" xlink:to="us-gaap_ScheduleOfCashAndCashEquivalentsTableTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingLeaseLiabilityNoncurrent" xlink:label="us-gaap_OperatingLeaseLiabilityNoncurrent" xlink:type="locator"/>

<link:label xlink:label="us-gaap_OperatingLeaseLiabilityNoncurrent-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long term portion of operating lease liabilities </link:label>

<link:label xlink:label="us-gaap_OperatingLeaseLiabilityNoncurrent-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Operating lease liabilities </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeaseLiabilityNoncurrent" xlink:to="us-gaap_OperatingLeaseLiabilityNoncurrent-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_MeasurementInputExpectedTermMember" xlink:label="us-gaap_MeasurementInputExpectedTermMember" xlink:type="locator"/>

<link:label xlink:label="us-gaap_MeasurementInputExpectedTermMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Measurement Input, Expected Term [Member] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MeasurementInputExpectedTermMember" xlink:to="us-gaap_MeasurementInputExpectedTermMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_PowerplantUsageAgreementTerm" xlink:label="ora_PowerplantUsageAgreementTerm" xlink:type="locator"/>

<link:label xlink:label="ora_PowerplantUsageAgreementTerm-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_PowerplantUsageAgreementTerm </link:label>

<link:label xlink:label="ora_PowerplantUsageAgreementTerm-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Power Plant Usage Agreement Term (Year) </link:label>

<link:label xlink:label="ora_PowerplantUsageAgreementTerm-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The length of the agreement term on the power plant usage. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_PowerplantUsageAgreementTerm" xlink:to="ora_PowerplantUsageAgreementTerm-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredIncomeTaxesAndTaxCredits" xlink:label="us-gaap_DeferredIncomeTaxesAndTaxCredits" xlink:type="locator"/>

<link:label xlink:label="us-gaap_DeferredIncomeTaxesAndTaxCredits-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Deferred income tax provision </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredIncomeTaxesAndTaxCredits" xlink:to="us-gaap_DeferredIncomeTaxesAndTaxCredits-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingLeaseLiability" xlink:label="us-gaap_OperatingLeaseLiability" xlink:type="locator"/>

<link:label xlink:label="us-gaap_OperatingLeaseLiability-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Total, operating leases </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeaseLiability" xlink:to="us-gaap_OperatingLeaseLiability-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingLeaseLiabilityCurrent" xlink:label="us-gaap_OperatingLeaseLiabilityCurrent" xlink:type="locator"/>

<link:label xlink:label="us-gaap_OperatingLeaseLiabilityCurrent-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating lease liabilities </link:label>

<link:label xlink:label="us-gaap_OperatingLeaseLiabilityCurrent-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Current maturity of operating lease liabilities </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeaseLiabilityCurrent" xlink:to="us-gaap_OperatingLeaseLiabilityCurrent-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FinanceLeaseLiabilityCurrent" xlink:label="us-gaap_FinanceLeaseLiabilityCurrent" xlink:type="locator"/>

<link:label xlink:label="us-gaap_FinanceLeaseLiabilityCurrent-label" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Finance lease liabilities </link:label>

<link:label xlink:label="us-gaap_FinanceLeaseLiabilityCurrent-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Current maturity of finance lease liabilities </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseLiabilityCurrent" xlink:to="us-gaap_FinanceLeaseLiabilityCurrent-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FinanceLeaseLiabilityNoncurrent" xlink:label="us-gaap_FinanceLeaseLiabilityNoncurrent" xlink:type="locator"/>

<link:label xlink:label="us-gaap_FinanceLeaseLiabilityNoncurrent-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long term portion of finance lease liabilities </link:label>

<link:label xlink:label="us-gaap_FinanceLeaseLiabilityNoncurrent-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Finance lease liabilities </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseLiabilityNoncurrent" xlink:to="us-gaap_FinanceLeaseLiabilityNoncurrent-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingLeaseRightOfUseAsset" xlink:label="us-gaap_OperatingLeaseRightOfUseAsset" xlink:type="locator"/>

<link:label xlink:label="us-gaap_OperatingLeaseRightOfUseAsset-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating leases right of use </link:label>

<link:label xlink:label="us-gaap_OperatingLeaseRightOfUseAsset-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Operating leases right of use </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeaseRightOfUseAsset" xlink:to="us-gaap_OperatingLeaseRightOfUseAsset-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions" xlink:label="us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions" xlink:type="locator"/>

<link:label xlink:label="us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions </link:label>

<link:label xlink:label="us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions-label" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Equity in losses (earnings) of investees, net </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions" xlink:to="us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue" xlink:type="locator"/>

<link:label xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue </link:label>

<link:label xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue-label" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total future minimum lease payments, operating leases </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue" xlink:to="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FinanceLeasePrincipalPayments" xlink:label="us-gaap_FinanceLeasePrincipalPayments" xlink:type="locator"/>

<link:label xlink:label="us-gaap_FinanceLeasePrincipalPayments-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Financing cash flows for finance leases </link:label>

<link:label xlink:label="us-gaap_FinanceLeasePrincipalPayments-label" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Payments under finance lease obligations </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeasePrincipalPayments" xlink:to="us-gaap_FinanceLeasePrincipalPayments-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount" xlink:type="locator"/>

<link:label xlink:label="us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Less imputed interest, operating leases </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount" xlink:to="us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FinanceLeaseLiability" xlink:label="us-gaap_FinanceLeaseLiability" xlink:type="locator"/>

<link:label xlink:label="us-gaap_FinanceLeaseLiability-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Total, finance leases </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseLiability" xlink:to="us-gaap_FinanceLeaseLiability-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:type="locator"/>

<link:label xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefit-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_DeferredIncomeTaxExpenseBenefit </link:label>

<link:label xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefit-label" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total deferred tax provision (benefit) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:to="us-gaap_DeferredIncomeTaxExpenseBenefit-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_MeasurementInputTypeAxis" xlink:label="us-gaap_MeasurementInputTypeAxis" xlink:type="locator"/>

<link:label xlink:label="us-gaap_MeasurementInputTypeAxis-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Measurement Input Type [Axis] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MeasurementInputTypeAxis" xlink:to="us-gaap_MeasurementInputTypeAxis-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree" xlink:type="locator"/>

<link:label xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree </link:label>

<link:label xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2023, operating leases </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree" xlink:to="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_MeasurementInputTypeDomain" xlink:label="us-gaap_MeasurementInputTypeDomain" xlink:type="locator"/>

<link:label xlink:label="us-gaap_MeasurementInputTypeDomain-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Measurement Input Type [Domain] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MeasurementInputTypeDomain" xlink:to="us-gaap_MeasurementInputTypeDomain-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour" xlink:type="locator"/>

<link:label xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour </link:label>

<link:label xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2024, operating leases </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour" xlink:to="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FinanceLeaseRightOfUseAsset" xlink:label="us-gaap_FinanceLeaseRightOfUseAsset" xlink:type="locator"/>

<link:label xlink:label="us-gaap_FinanceLeaseRightOfUseAsset-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finance leases right of use </link:label>

<link:label xlink:label="us-gaap_FinanceLeaseRightOfUseAsset-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Finance leases right of use </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseRightOfUseAsset" xlink:to="us-gaap_FinanceLeaseRightOfUseAsset-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive" xlink:type="locator"/>

<link:label xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive </link:label>

<link:label xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2025, operating leases </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive" xlink:to="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive" xlink:type="locator"/>

<link:label xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive </link:label>

<link:label xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Thereafter, operating leases </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive" xlink:to="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths" xlink:type="locator"/>

<link:label xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths </link:label>

<link:label xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2021, operating leases </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths" xlink:to="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo" xlink:type="locator"/>

<link:label xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo </link:label>

<link:label xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2022, operating leases </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo" xlink:to="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax" xlink:type="locator"/>

<link:label xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax </link:label>

<link:label xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax, Ending Balance </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax" xlink:to="us-gaap_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PublicUtilityAxis" xlink:label="us-gaap_PublicUtilityAxis" xlink:type="locator"/>

<link:label xlink:label="us-gaap_PublicUtilityAxis-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Public Utility [Axis] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PublicUtilityAxis" xlink:to="us-gaap_PublicUtilityAxis-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_UtilityPlantDomain" xlink:label="us-gaap_UtilityPlantDomain" xlink:type="locator"/>

<link:label xlink:label="us-gaap_UtilityPlantDomain-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Utility Plant [Domain] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_UtilityPlantDomain" xlink:to="us-gaap_UtilityPlantDomain-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensation" xlink:label="us-gaap_ShareBasedCompensation" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ShareBasedCompensation-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_ShareBasedCompensation </link:label>

<link:label xlink:label="us-gaap_ShareBasedCompensation-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Stock-based compensation </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensation" xlink:to="us-gaap_ShareBasedCompensation-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LongTermContractForPurchaseOfElectricPowerEstimatedAnnualCost" xlink:label="us-gaap_LongTermContractForPurchaseOfElectricPowerEstimatedAnnualCost" xlink:type="locator"/>

<link:label xlink:label="us-gaap_LongTermContractForPurchaseOfElectricPowerEstimatedAnnualCost-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_LongTermContractForPurchaseOfElectricPowerEstimatedAnnualCost </link:label>

<link:label xlink:label="us-gaap_LongTermContractForPurchaseOfElectricPowerEstimatedAnnualCost-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Long-term Contract for Purchase of Electric Power, Estimated Annual Cost </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermContractForPurchaseOfElectricPowerEstimatedAnnualCost" xlink:to="us-gaap_LongTermContractForPurchaseOfElectricPowerEstimatedAnnualCost-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LongTermContractForPurchaseOfElectricPowerDomain" xlink:label="us-gaap_LongTermContractForPurchaseOfElectricPowerDomain" xlink:type="locator"/>

<link:label xlink:label="us-gaap_LongTermContractForPurchaseOfElectricPowerDomain-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long-term Contract for Purchase of Electric Power [Domain] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermContractForPurchaseOfElectricPowerDomain" xlink:to="us-gaap_LongTermContractForPurchaseOfElectricPowerDomain-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LongTermContractForPurchaseOfElectricPowerAxis" xlink:label="us-gaap_LongTermContractForPurchaseOfElectricPowerAxis" xlink:type="locator"/>

<link:label xlink:label="us-gaap_LongTermContractForPurchaseOfElectricPowerAxis-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long-term Contract for Purchase of Electric Power [Axis] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermContractForPurchaseOfElectricPowerAxis" xlink:to="us-gaap_LongTermContractForPurchaseOfElectricPowerAxis-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueNetAssetLiability" xlink:label="us-gaap_FairValueNetAssetLiability" xlink:type="locator"/>

<link:label xlink:label="us-gaap_FairValueNetAssetLiability-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Fair Value, Net Asset (Liability), Total </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueNetAssetLiability" xlink:to="us-gaap_FairValueNetAssetLiability-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_Depreciation" xlink:label="us-gaap_Depreciation" xlink:type="locator"/>

<link:label xlink:label="us-gaap_Depreciation-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_Depreciation </link:label>

<link:label xlink:label="us-gaap_Depreciation-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Depreciation, Total </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Depreciation" xlink:to="us-gaap_Depreciation-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_EffectOfCOVID19PandemicPolicyPolicyTextBlock" xlink:label="ora_EffectOfCOVID19PandemicPolicyPolicyTextBlock" xlink:type="locator"/>

<link:label xlink:label="ora_EffectOfCOVID19PandemicPolicyPolicyTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Effect of COVID-19 Pandemic, Policy [Policy Text Block] </link:label>

<link:label xlink:label="ora_EffectOfCOVID19PandemicPolicyPolicyTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Disclosure of accounting policy concerning the effect of the COVID-19 pandemic. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_EffectOfCOVID19PandemicPolicyPolicyTextBlock" xlink:to="ora_EffectOfCOVID19PandemicPolicyPolicyTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DepreciationDepletionAndAmortization" xlink:label="us-gaap_DepreciationDepletionAndAmortization" xlink:type="locator"/>

<link:label xlink:label="us-gaap_DepreciationDepletionAndAmortization-label" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Depreciation and amortization expense </link:label>

<link:label xlink:label="us-gaap_DepreciationDepletionAndAmortization-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_DepreciationDepletionAndAmortization </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DepreciationDepletionAndAmortization" xlink:to="us-gaap_DepreciationDepletionAndAmortization-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_TerminationFeePolicyTextBlock" xlink:label="ora_TerminationFeePolicyTextBlock" xlink:type="locator"/>

<link:label xlink:label="ora_TerminationFeePolicyTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Termination fee [Policy Text Block] </link:label>

<link:label xlink:label="ora_TerminationFeePolicyTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Disclosure of accounting policy for termination fee. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_TerminationFeePolicyTextBlock" xlink:to="ora_TerminationFeePolicyTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_UnrealizedGainLossOnDerivatives" xlink:label="us-gaap_UnrealizedGainLossOnDerivatives" xlink:type="locator"/>

<link:label xlink:label="us-gaap_UnrealizedGainLossOnDerivatives-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_UnrealizedGainLossOnDerivatives </link:label>

<link:label xlink:label="us-gaap_UnrealizedGainLossOnDerivatives-label" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Mark-to-market of derivative instruments </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_UnrealizedGainLossOnDerivatives" xlink:to="us-gaap_UnrealizedGainLossOnDerivatives-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_TaxYear2019Member" xlink:label="us-gaap_TaxYear2019Member" xlink:type="locator"/>

<link:label xlink:label="us-gaap_TaxYear2019Member-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Tax Year 2019 [Member] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TaxYear2019Member" xlink:to="us-gaap_TaxYear2019Member-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_PercentageOfEquityInterestSold" xlink:label="ora_PercentageOfEquityInterestSold" xlink:type="locator"/>

<link:label xlink:label="ora_PercentageOfEquityInterestSold-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_PercentageOfEquityInterestSold </link:label>

<link:label xlink:label="ora_PercentageOfEquityInterestSold-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Percentage of Equity Interest Sold </link:label>

<link:label xlink:label="ora_PercentageOfEquityInterestSold-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The percentage of subsidiary's or equity investee's stock sold. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_PercentageOfEquityInterestSold" xlink:to="ora_PercentageOfEquityInterestSold-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommonStockValue" xlink:label="us-gaap_CommonStockValue" xlink:type="locator"/>

<link:label xlink:label="us-gaap_CommonStockValue-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Common stock, par value $0.001 per share; 200,000,000 shares authorized; 55,983,259 and 51,031,652 issued and outstanding as of December 31, 2020 and December 31, 2019, respectively </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockValue" xlink:to="us-gaap_CommonStockValue-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_PowerGeneratedUnderContract" xlink:label="ora_PowerGeneratedUnderContract" xlink:type="locator"/>

<link:label xlink:label="ora_PowerGeneratedUnderContract-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_PowerGeneratedUnderContract </link:label>

<link:label xlink:label="ora_PowerGeneratedUnderContract-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Power Generated Under Contract (Megawatt-Hour) </link:label>

<link:label xlink:label="ora_PowerGeneratedUnderContract-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The amount of power to be generated under contract. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_PowerGeneratedUnderContract" xlink:to="ora_PowerGeneratedUnderContract-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_IncreaseDecreaseInOperatingLeaseLiabilities" xlink:label="ora_IncreaseDecreaseInOperatingLeaseLiabilities" xlink:type="locator"/>

<link:label xlink:label="ora_IncreaseDecreaseInOperatingLeaseLiabilities-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Change in operating lease liabilities </link:label>

<link:label xlink:label="ora_IncreaseDecreaseInOperatingLeaseLiabilities-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents information related to increase (decrease) in operating lease liabilities. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_IncreaseDecreaseInOperatingLeaseLiabilities" xlink:to="ora_IncreaseDecreaseInOperatingLeaseLiabilities-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_EnergyStorageAndManagementServicesMember" xlink:label="ora_EnergyStorageAndManagementServicesMember" xlink:type="locator"/>

<link:label xlink:label="ora_EnergyStorageAndManagementServicesMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Energy Storage and Management Services [Member] </link:label>

<link:label xlink:label="ora_EnergyStorageAndManagementServicesMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents information related to energy storage and management services. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_EnergyStorageAndManagementServicesMember" xlink:to="ora_EnergyStorageAndManagementServicesMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:type="locator"/>

<link:label xlink:label="us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Adjustments to reconcile net income to net cash provided by operating activities: </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_ViridityEnergyIncMember" xlink:label="ora_ViridityEnergyIncMember" xlink:type="locator"/>

<link:label xlink:label="ora_ViridityEnergyIncMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Viridity Energy, Inc. [Member] </link:label>

<link:label xlink:label="ora_ViridityEnergyIncMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Viridity Energy, Inc., a privately held Philadelphia-based company engaged in demand response, energy management and storage of energy. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_ViridityEnergyIncMember" xlink:to="ora_ViridityEnergyIncMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommonStockSharesAuthorized" xlink:label="us-gaap_CommonStockSharesAuthorized" xlink:type="locator"/>

<link:label xlink:label="us-gaap_CommonStockSharesAuthorized-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Common stock, shares authorized (in shares) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockSharesAuthorized" xlink:to="us-gaap_CommonStockSharesAuthorized-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommercialPaperMember" xlink:label="us-gaap_CommercialPaperMember" xlink:type="locator"/>

<link:label xlink:label="us-gaap_CommercialPaperMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Commercial Paper [Member] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommercialPaperMember" xlink:to="us-gaap_CommercialPaperMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommonStockSharesIssued" xlink:label="us-gaap_CommonStockSharesIssued" xlink:type="locator"/>

<link:label xlink:label="us-gaap_CommonStockSharesIssued-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Common stock, shares issued (in shares) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockSharesIssued" xlink:to="us-gaap_CommonStockSharesIssued-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommonStockParOrStatedValuePerShare" xlink:label="us-gaap_CommonStockParOrStatedValuePerShare" xlink:type="locator"/>

<link:label xlink:label="us-gaap_CommonStockParOrStatedValuePerShare-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Common stock, par value (in dollars per share) </link:label>

<link:label xlink:label="us-gaap_CommonStockParOrStatedValuePerShare-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Common Stock, Par or Stated Value Per Share (in dollars per share) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockParOrStatedValuePerShare" xlink:to="us-gaap_CommonStockParOrStatedValuePerShare-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_AccountingStandardsUpdate201311Member" xlink:label="ora_AccountingStandardsUpdate201311Member" xlink:type="locator"/>

<link:label xlink:label="ora_AccountingStandardsUpdate201311Member-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accounting Standards Update 2013-11 [Member] </link:label>

<link:label xlink:label="ora_AccountingStandardsUpdate201311Member-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Income Taxes (Topic 740): Presentation of an Unrecognized Tax Benefit When a Net Operating Loss Carryforward, a Similar Tax Loss, or a Tax Credit Carryforward Exists (a consensus of the FASB Emerging Issues Task Force). </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_AccountingStandardsUpdate201311Member" xlink:to="ora_AccountingStandardsUpdate201311Member-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_DebtInstrumentPrincipalToBeRepaidInInstallments" xlink:label="ora_DebtInstrumentPrincipalToBeRepaidInInstallments" xlink:type="locator"/>

<link:label xlink:label="ora_DebtInstrumentPrincipalToBeRepaidInInstallments-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_DebtInstrumentPrincipalToBeRepaidInInstallments </link:label>

<link:label xlink:label="ora_DebtInstrumentPrincipalToBeRepaidInInstallments-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Debt Instrument, Principal to Be Repaid in Installments </link:label>

<link:label xlink:label="ora_DebtInstrumentPrincipalToBeRepaidInInstallments-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the principal amount to be repaid in installments before the bullet payment is made at the end of the loan period. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_DebtInstrumentPrincipalToBeRepaidInInstallments" xlink:to="ora_DebtInstrumentPrincipalToBeRepaidInInstallments-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_SecondAddendumMigdalLoanMember" xlink:label="ora_SecondAddendumMigdalLoanMember" xlink:type="locator"/>

<link:label xlink:label="ora_SecondAddendumMigdalLoanMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Second Addendum Migdal Loan [Member] </link:label>

<link:label xlink:label="ora_SecondAddendumMigdalLoanMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents information pertaining to the Second Addendum Migdal Loan. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_SecondAddendumMigdalLoanMember" xlink:to="ora_SecondAddendumMigdalLoanMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_DeferredTaxAssetsBeforeUncertainTaxBenefits" xlink:label="ora_DeferredTaxAssetsBeforeUncertainTaxBenefits" xlink:type="locator"/>

<link:label xlink:label="ora_DeferredTaxAssetsBeforeUncertainTaxBenefits-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Non-current deferred tax assets, net </link:label>

<link:label xlink:label="ora_DeferredTaxAssetsBeforeUncertainTaxBenefits-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The amount of deferred tax assets, before uncertain tax benefits. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_DeferredTaxAssetsBeforeUncertainTaxBenefits" xlink:to="ora_DeferredTaxAssetsBeforeUncertainTaxBenefits-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_RangeMember" xlink:label="srt_RangeMember" xlink:type="locator"/>

<link:label xlink:label="srt_RangeMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Statistical Measurement [Domain] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_RangeMember" xlink:to="srt_RangeMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingLeasePayments" xlink:label="us-gaap_OperatingLeasePayments" xlink:type="locator"/>

<link:label xlink:label="us-gaap_OperatingLeasePayments-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating cash flows for operating leases </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasePayments" xlink:to="us-gaap_OperatingLeasePayments-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_MaximumMember" xlink:label="srt_MaximumMember" xlink:type="locator"/>

<link:label xlink:label="srt_MaximumMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Maximum [Member] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_MaximumMember" xlink:to="srt_MaximumMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:label="us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:type="locator"/>

<link:label xlink:label="us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Supplemental non-cash investing and financing activities: </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:to="us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_MinimumMember" xlink:label="srt_MinimumMember" xlink:type="locator"/>

<link:label xlink:label="srt_MinimumMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Minimum [Member] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_MinimumMember" xlink:to="srt_MinimumMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_DebtInstrumentNumberOfSemiAnnualPayments" xlink:label="ora_DebtInstrumentNumberOfSemiAnnualPayments" xlink:type="locator"/>

<link:label xlink:label="ora_DebtInstrumentNumberOfSemiAnnualPayments-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_DebtInstrumentNumberOfSemiAnnualPayments </link:label>

<link:label xlink:label="ora_DebtInstrumentNumberOfSemiAnnualPayments-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Debt Instrument, Number of Semi-annual Payments </link:label>

<link:label xlink:label="ora_DebtInstrumentNumberOfSemiAnnualPayments-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the number of semi-annual payments under a debt instrument. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_DebtInstrumentNumberOfSemiAnnualPayments" xlink:to="ora_DebtInstrumentNumberOfSemiAnnualPayments-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_WeightedAverageMember" xlink:label="srt_WeightedAverageMember" xlink:type="locator"/>

<link:label xlink:label="srt_WeightedAverageMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Weighted Average [Member] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_WeightedAverageMember" xlink:to="srt_WeightedAverageMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_RedeemableNoncontrollingInterestPolicyPolicyTextBlock" xlink:label="ora_RedeemableNoncontrollingInterestPolicyPolicyTextBlock" xlink:type="locator"/>

<link:label xlink:label="ora_RedeemableNoncontrollingInterestPolicyPolicyTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Redeemable Noncontrolling Interest, Policy [Policy Text Block] </link:label>

<link:label xlink:label="ora_RedeemableNoncontrollingInterestPolicyPolicyTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Disclosure of accounting policy for redeemable noncontrolling interest. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_RedeemableNoncontrollingInterestPolicyPolicyTextBlock" xlink:to="ora_RedeemableNoncontrollingInterestPolicyPolicyTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_OwnershipDomain" xlink:label="srt_OwnershipDomain" xlink:type="locator"/>

<link:label xlink:label="srt_OwnershipDomain-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Ownership [Domain] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_OwnershipDomain" xlink:to="srt_OwnershipDomain-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_ProductOrServiceAxis" xlink:label="srt_ProductOrServiceAxis" xlink:type="locator"/>

<link:label xlink:label="srt_ProductOrServiceAxis-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Product and Service [Axis] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_ProductOrServiceAxis" xlink:to="srt_ProductOrServiceAxis-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_ProductsAndServicesDomain" xlink:label="srt_ProductsAndServicesDomain" xlink:type="locator"/>

<link:label xlink:label="srt_ProductsAndServicesDomain-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Product and Service [Domain] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_ProductsAndServicesDomain" xlink:to="srt_ProductsAndServicesDomain-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_RangeAxis" xlink:label="srt_RangeAxis" xlink:type="locator"/>

<link:label xlink:label="srt_RangeAxis-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Statistical Measurement [Axis] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_RangeAxis" xlink:to="srt_RangeAxis-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FinanceLeaseInterestPaymentOnLiability" xlink:label="us-gaap_FinanceLeaseInterestPaymentOnLiability" xlink:type="locator"/>

<link:label xlink:label="us-gaap_FinanceLeaseInterestPaymentOnLiability-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating cash flows for finance leases </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseInterestPaymentOnLiability" xlink:to="us-gaap_FinanceLeaseInterestPaymentOnLiability-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_EquityMethodInvesteeNameDomain" xlink:label="srt_EquityMethodInvesteeNameDomain" xlink:type="locator"/>

<link:label xlink:label="srt_EquityMethodInvesteeNameDomain-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Investment, Name [Domain] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_EquityMethodInvesteeNameDomain" xlink:to="srt_EquityMethodInvesteeNameDomain-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_LitigationCaseAxis" xlink:label="srt_LitigationCaseAxis" xlink:type="locator"/>

<link:label xlink:label="srt_LitigationCaseAxis-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Litigation Case [Axis] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_LitigationCaseAxis" xlink:to="srt_LitigationCaseAxis-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_LitigationCaseTypeDomain" xlink:label="srt_LitigationCaseTypeDomain" xlink:type="locator"/>

<link:label xlink:label="srt_LitigationCaseTypeDomain-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Litigation Case [Domain] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_LitigationCaseTypeDomain" xlink:to="srt_LitigationCaseTypeDomain-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_OwnershipAxis" xlink:label="srt_OwnershipAxis" xlink:type="locator"/>

<link:label xlink:label="srt_OwnershipAxis-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Ownership [Axis] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_OwnershipAxis" xlink:to="srt_OwnershipAxis-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_InterestPaidNet" xlink:label="us-gaap_InterestPaidNet" xlink:type="locator"/>

<link:label xlink:label="us-gaap_InterestPaidNet-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Interest, net of interest capitalized </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestPaidNet" xlink:to="us-gaap_InterestPaidNet-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" xlink:label="srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" xlink:type="locator"/>

<link:label xlink:label="srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Investment, Name [Axis] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" xlink:to="srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_StatementGeographicalAxis" xlink:label="srt_StatementGeographicalAxis" xlink:type="locator"/>

<link:label xlink:label="srt_StatementGeographicalAxis-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Geographical [Axis] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_StatementGeographicalAxis" xlink:to="srt_StatementGeographicalAxis-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock" xlink:label="us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock" xlink:type="locator"/>

<link:label xlink:label="us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Property, Plant and Equipment Disclosure [Text Block] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock" xlink:to="us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_SegmentGeographicalDomain" xlink:label="srt_SegmentGeographicalDomain" xlink:type="locator"/>

<link:label xlink:label="srt_SegmentGeographicalDomain-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Geographical [Domain] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_SegmentGeographicalDomain" xlink:to="srt_SegmentGeographicalDomain-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTextBlock" xlink:label="us-gaap_PropertyPlantAndEquipmentTextBlock" xlink:type="locator"/>

<link:label xlink:label="us-gaap_PropertyPlantAndEquipmentTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Property, Plant and Equipment [Table Text Block] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentTextBlock" xlink:to="us-gaap_PropertyPlantAndEquipmentTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PortionAtFairValueFairValueDisclosureMember" xlink:label="us-gaap_PortionAtFairValueFairValueDisclosureMember" xlink:type="locator"/>

<link:label xlink:label="us-gaap_PortionAtFairValueFairValueDisclosureMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Portion at Fair Value Measurement [Member] [Default] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PortionAtFairValueFairValueDisclosureMember" xlink:to="us-gaap_PortionAtFairValueFairValueDisclosureMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EstimateOfFairValueFairValueDisclosureMember" xlink:label="us-gaap_EstimateOfFairValueFairValueDisclosureMember" xlink:type="locator"/>

<link:label xlink:label="us-gaap_EstimateOfFairValueFairValueDisclosureMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Estimate of Fair Value Measurement [Member] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EstimateOfFairValueFairValueDisclosureMember" xlink:to="us-gaap_EstimateOfFairValueFairValueDisclosureMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_LeaseWeightedAverageDiscountRatePercent" xlink:label="ora_LeaseWeightedAverageDiscountRatePercent" xlink:type="locator"/>

<link:label xlink:label="ora_LeaseWeightedAverageDiscountRatePercent-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Weighted-average discount rate (in percentage) </link:label>

<link:label xlink:label="ora_LeaseWeightedAverageDiscountRatePercent-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Weighted average discount rate for operating and finance lease calculated at point in time. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_LeaseWeightedAverageDiscountRatePercent" xlink:to="ora_LeaseWeightedAverageDiscountRatePercent-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueByMeasurementBasisAxis" xlink:label="us-gaap_FairValueByMeasurementBasisAxis" xlink:type="locator"/>

<link:label xlink:label="us-gaap_FairValueByMeasurementBasisAxis-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Measurement Basis [Axis] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueByMeasurementBasisAxis" xlink:to="us-gaap_FairValueByMeasurementBasisAxis-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueInputsLevel3Member" xlink:label="us-gaap_FairValueInputsLevel3Member" xlink:type="locator"/>

<link:label xlink:label="us-gaap_FairValueInputsLevel3Member-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Fair Value, Inputs, Level 3 [Member] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueInputsLevel3Member" xlink:to="us-gaap_FairValueInputsLevel3Member-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_RedeemableNoncontrollingInterestEquityCurrencyTranslationAdjustment" xlink:label="ora_RedeemableNoncontrollingInterestEquityCurrencyTranslationAdjustment" xlink:type="locator"/>

<link:label xlink:label="ora_RedeemableNoncontrollingInterestEquityCurrencyTranslationAdjustment-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_RedeemableNoncontrollingInterestEquityCurrencyTranslationAdjustment </link:label>

<link:label xlink:label="ora_RedeemableNoncontrollingInterestEquityCurrencyTranslationAdjustment-label" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Currency translation adjustments </link:label>

<link:label xlink:label="ora_RedeemableNoncontrollingInterestEquityCurrencyTranslationAdjustment-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents currency adjustment for redeemable noncontrolling interest related to currency translation adjustment. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_RedeemableNoncontrollingInterestEquityCurrencyTranslationAdjustment" xlink:to="ora_RedeemableNoncontrollingInterestEquityCurrencyTranslationAdjustment-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_RedeemableNoncontrollingInterestEquityOperationOfConsolidatedSubsidiary" xlink:label="ora_RedeemableNoncontrollingInterestEquityOperationOfConsolidatedSubsidiary" xlink:type="locator"/>

<link:label xlink:label="ora_RedeemableNoncontrollingInterestEquityOperationOfConsolidatedSubsidiary-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Redeemable noncontrolling interest in results of operation of a consolidated subsidiary </link:label>

<link:label xlink:label="ora_RedeemableNoncontrollingInterestEquityOperationOfConsolidatedSubsidiary-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents operation of consolidated subsidiary for redeemable noncontrolling interest. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_RedeemableNoncontrollingInterestEquityOperationOfConsolidatedSubsidiary" xlink:to="ora_RedeemableNoncontrollingInterestEquityOperationOfConsolidatedSubsidiary-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProceedsFromInsuranceSettlementOperatingActivities" xlink:label="us-gaap_ProceedsFromInsuranceSettlementOperatingActivities" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ProceedsFromInsuranceSettlementOperatingActivities-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_ProceedsFromInsuranceSettlementOperatingActivities </link:label>

<link:label xlink:label="us-gaap_ProceedsFromInsuranceSettlementOperatingActivities-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Proceeds from Insurance Settlement, Operating Activities </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromInsuranceSettlementOperatingActivities" xlink:to="us-gaap_ProceedsFromInsuranceSettlementOperatingActivities-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:type="locator"/>

<link:label xlink:label="us-gaap_FairValueMeasurementsFairValueHierarchyDomain-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Fair Value Hierarchy and NAV [Domain] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:to="us-gaap_FairValueMeasurementsFairValueHierarchyDomain-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_MajorCustomersAxis" xlink:label="srt_MajorCustomersAxis" xlink:type="locator"/>

<link:label xlink:label="srt_MajorCustomersAxis-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Customer [Axis] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_MajorCustomersAxis" xlink:to="srt_MajorCustomersAxis-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_NameOfMajorCustomerDomain" xlink:label="srt_NameOfMajorCustomerDomain" xlink:type="locator"/>

<link:label xlink:label="srt_NameOfMajorCustomerDomain-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Customer [Domain] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_NameOfMajorCustomerDomain" xlink:to="srt_NameOfMajorCustomerDomain-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueInputsLevel1Member" xlink:label="us-gaap_FairValueInputsLevel1Member" xlink:type="locator"/>

<link:label xlink:label="us-gaap_FairValueInputsLevel1Member-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Fair Value, Inputs, Level 1 [Member] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueInputsLevel1Member" xlink:to="us-gaap_FairValueInputsLevel1Member-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueInputsLevel2Member" xlink:label="us-gaap_FairValueInputsLevel2Member" xlink:type="locator"/>

<link:label xlink:label="us-gaap_FairValueInputsLevel2Member-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Fair Value, Inputs, Level 2 [Member] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueInputsLevel2Member" xlink:to="us-gaap_FairValueInputsLevel2Member-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:label="us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:type="locator"/>

<link:label xlink:label="us-gaap_FairValueByFairValueHierarchyLevelAxis-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Fair Value Hierarchy and NAV [Axis] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:to="us-gaap_FairValueByFairValueHierarchyLevelAxis-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_PlatanaresLoanOpicMember" xlink:label="ora_PlatanaresLoanOpicMember" xlink:type="locator"/>

<link:label xlink:label="ora_PlatanaresLoanOpicMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Platanares Loan - OPIC [Member] </link:label>

<link:label xlink:label="ora_PlatanaresLoanOpicMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The name or description of Platanares Loan - OPIC. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_PlatanaresLoanOpicMember" xlink:to="ora_PlatanaresLoanOpicMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_MinorityInterest" xlink:label="us-gaap_MinorityInterest" xlink:type="locator"/>

<link:label xlink:label="us-gaap_MinorityInterest-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Noncontrolling interest </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MinorityInterest" xlink:to="us-gaap_MinorityInterest-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:type="locator"/>

<link:label xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Cash flows from operating activities: </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RevenueRecognitionPolicyTextBlock" xlink:label="us-gaap_RevenueRecognitionPolicyTextBlock" xlink:type="locator"/>

<link:label xlink:label="us-gaap_RevenueRecognitionPolicyTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Revenue [Policy Text Block] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RevenueRecognitionPolicyTextBlock" xlink:to="us-gaap_RevenueRecognitionPolicyTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems" xlink:type="locator"/>

<link:label xlink:label="us-gaap_StatementLineItems-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Statement [Line Items] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_StatementLineItems-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_PricePerMWhOver227000MWh" xlink:label="ora_PricePerMWhOver227000MWh" xlink:type="locator"/>

<link:label xlink:label="ora_PricePerMWhOver227000MWh-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_PricePerMWhOver227000MWh </link:label>

<link:label xlink:label="ora_PricePerMWhOver227000MWh-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Price Per MWh Over 227,000 MWh (in dollars per share) </link:label>

<link:label xlink:label="ora_PricePerMWhOver227000MWh-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the price per MWh purchased during any contract year over 227,000 MWh. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_PricePerMWhOver227000MWh" xlink:to="ora_PricePerMWhOver227000MWh-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_PricePerMWhUnder227000MWh" xlink:label="ora_PricePerMWhUnder227000MWh" xlink:type="locator"/>

<link:label xlink:label="ora_PricePerMWhUnder227000MWh-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_PricePerMWhUnder227000MWh </link:label>

<link:label xlink:label="ora_PricePerMWhUnder227000MWh-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Price Per MWh Under 227,000 MWh (in dollars per share) </link:label>

<link:label xlink:label="ora_PricePerMWhUnder227000MWh-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the price per MWh during any contract year up to 227,000 MWh. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_PricePerMWhUnder227000MWh" xlink:to="ora_PricePerMWhUnder227000MWh-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_AmendedAndRestatedPPAMember" xlink:label="ora_AmendedAndRestatedPPAMember" xlink:type="locator"/>

<link:label xlink:label="ora_AmendedAndRestatedPPAMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Amended and Restated PPA [Member] </link:label>

<link:label xlink:label="ora_AmendedAndRestatedPPAMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Information related to the amended and restated PPA that PGV and HELCO executed in December 2019. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_AmendedAndRestatedPPAMember" xlink:to="ora_AmendedAndRestatedPPAMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AdditionalPaidInCapitalCommonStock" xlink:label="us-gaap_AdditionalPaidInCapitalCommonStock" xlink:type="locator"/>

<link:label xlink:label="us-gaap_AdditionalPaidInCapitalCommonStock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Additional paid-in capital </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AdditionalPaidInCapitalCommonStock" xlink:to="us-gaap_AdditionalPaidInCapitalCommonStock-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeMember" xlink:type="locator"/>

<link:label xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> AOCI Attributable to Parent [Member] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccumulatedOtherComprehensiveIncomeMember" xlink:to="us-gaap_AccumulatedOtherComprehensiveIncomeMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_ContingentReceivableMember" xlink:label="ora_ContingentReceivableMember" xlink:type="locator"/>

<link:label xlink:label="ora_ContingentReceivableMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Contingent Receivable [Member] </link:label>

<link:label xlink:label="ora_ContingentReceivableMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represent information pertaining to contingent receivable. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_ContingentReceivableMember" xlink:to="ora_ContingentReceivableMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_ContingentPayableMember" xlink:label="ora_ContingentPayableMember" xlink:type="locator"/>

<link:label xlink:label="ora_ContingentPayableMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Contingent Payable [Member] </link:label>

<link:label xlink:label="ora_ContingentPayableMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represent information pertaining to contingent payable. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_ContingentPayableMember" xlink:to="ora_ContingentPayableMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_ROAAssetMember" xlink:label="ora_ROAAssetMember" xlink:type="locator"/>

<link:label xlink:label="ora_ROAAssetMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ROA Asset [Member] </link:label>

<link:label xlink:label="ora_ROAAssetMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents information related to ROA asset. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_ROAAssetMember" xlink:to="ora_ROAAssetMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" xlink:label="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" xlink:type="locator"/>

<link:label xlink:label="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Equity: </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" xlink:to="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueDisclosuresTextBlock" xlink:label="us-gaap_FairValueDisclosuresTextBlock" xlink:type="locator"/>

<link:label xlink:label="us-gaap_FairValueDisclosuresTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Fair Value Disclosures [Text Block] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueDisclosuresTextBlock" xlink:to="us-gaap_FairValueDisclosuresTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueByBalanceSheetGroupingTextBlock" xlink:label="us-gaap_FairValueByBalanceSheetGroupingTextBlock" xlink:type="locator"/>

<link:label xlink:label="us-gaap_FairValueByBalanceSheetGroupingTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Fair Value, by Balance Sheet Grouping [Table Text Block] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueByBalanceSheetGroupingTextBlock" xlink:to="us-gaap_FairValueByBalanceSheetGroupingTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount" xlink:label="us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount" xlink:type="locator"/>

<link:label xlink:label="us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Redeemable noncontrolling interest </link:label>

<link:label xlink:label="us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount-label" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US"> Redeemable noncontrolling interest as of January 1, </link:label>

<link:label xlink:label="us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount-label" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US"> Redeemable noncontrolling interest as of December 31, </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount" xlink:to="us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ContractWithCustomerAssetReclassifiedToReceivable" xlink:label="us-gaap_ContractWithCustomerAssetReclassifiedToReceivable" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ContractWithCustomerAssetReclassifiedToReceivable-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Reduction of contract assets as a result of rights to consideration becoming unconditional </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ContractWithCustomerAssetReclassifiedToReceivable" xlink:to="us-gaap_ContractWithCustomerAssetReclassifiedToReceivable-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_OlkariaIVLoanDeg2Member" xlink:label="ora_OlkariaIVLoanDeg2Member" xlink:type="locator"/>

<link:label xlink:label="ora_OlkariaIVLoanDeg2Member-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Olkaria IV Loan - DEG 2 [Member] </link:label>

<link:label xlink:label="ora_OlkariaIVLoanDeg2Member-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The name or description of the debt instrument. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_OlkariaIVLoanDeg2Member" xlink:to="ora_OlkariaIVLoanDeg2Member-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_Liabilities" xlink:label="us-gaap_Liabilities" xlink:type="locator"/>

<link:label xlink:label="us-gaap_Liabilities-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Total liabilities </link:label>

<link:label xlink:label="us-gaap_Liabilities-label" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total liabilities </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Liabilities" xlink:to="us-gaap_Liabilities-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommitmentsAndContingencies" xlink:label="us-gaap_CommitmentsAndContingencies" xlink:type="locator"/>

<link:label xlink:label="us-gaap_CommitmentsAndContingencies-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Commitments and contingencies (Note 21) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommitmentsAndContingencies" xlink:to="us-gaap_CommitmentsAndContingencies-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_DonACampbell1Dac1Member" xlink:label="ora_DonACampbell1Dac1Member" xlink:type="locator"/>

<link:label xlink:label="ora_DonACampbell1Dac1Member-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Don A. Campbell 1 ("DAC1") [Member] </link:label>

<link:label xlink:label="ora_DonACampbell1Dac1Member-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represent information pertaining to Don A. Campbell 1 ("DAC1"). </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_DonACampbell1Dac1Member" xlink:to="ora_DonACampbell1Dac1Member-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AssetRetirementObligationsNoncurrent" xlink:label="us-gaap_AssetRetirementObligationsNoncurrent" xlink:type="locator"/>

<link:label xlink:label="us-gaap_AssetRetirementObligationsNoncurrent-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Asset retirement obligation </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetRetirementObligationsNoncurrent" xlink:to="us-gaap_AssetRetirementObligationsNoncurrent-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ContractWithCustomerLiabilityRevenueRecognized" xlink:label="us-gaap_ContractWithCustomerLiabilityRevenueRecognized" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ContractWithCustomerLiabilityRevenueRecognized-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Recognition of contract liabilities as revenue as a result of performance obligations satisfied </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ContractWithCustomerLiabilityRevenueRecognized" xlink:to="us-gaap_ContractWithCustomerLiabilityRevenueRecognized-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_ConstructionInProgressCostsWriteOff" xlink:label="ora_ConstructionInProgressCostsWriteOff" xlink:type="locator"/>

<link:label xlink:label="ora_ConstructionInProgressCostsWriteOff-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Cost write off </link:label>

<link:label xlink:label="ora_ConstructionInProgressCostsWriteOff-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents construction in progress costs write off. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_ConstructionInProgressCostsWriteOff" xlink:to="ora_ConstructionInProgressCostsWriteOff-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PrepaidExpenseAndOtherAssetsCurrent" xlink:label="us-gaap_PrepaidExpenseAndOtherAssetsCurrent" xlink:type="locator"/>

<link:label xlink:label="us-gaap_PrepaidExpenseAndOtherAssetsCurrent-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Prepaid expenses and other </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PrepaidExpenseAndOtherAssetsCurrent" xlink:to="us-gaap_PrepaidExpenseAndOtherAssetsCurrent-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_StorageAndEnergyManagementServiceMember" xlink:label="ora_StorageAndEnergyManagementServiceMember" xlink:type="locator"/>

<link:label xlink:label="ora_StorageAndEnergyManagementServiceMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Storage and Energy Management Service [Member] </link:label>

<link:label xlink:label="ora_StorageAndEnergyManagementServiceMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents business unit of storage and management service. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_StorageAndEnergyManagementServiceMember" xlink:to="ora_StorageAndEnergyManagementServiceMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_FiniteLivedIntangibleAssetsWriteOff" xlink:label="ora_FiniteLivedIntangibleAssetsWriteOff" xlink:type="locator"/>

<link:label xlink:label="ora_FiniteLivedIntangibleAssetsWriteOff-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_FiniteLivedIntangibleAssetsWriteOff </link:label>

<link:label xlink:label="ora_FiniteLivedIntangibleAssetsWriteOff-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Finite Lived Intangible Assets, Write off </link:label>

<link:label xlink:label="ora_FiniteLivedIntangibleAssetsWriteOff-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The amount of on write off of finite lived intangible assets. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_FiniteLivedIntangibleAssetsWriteOff" xlink:to="ora_FiniteLivedIntangibleAssetsWriteOff-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_BusinessCombinationConstructionAcquiredFairValue" xlink:label="ora_BusinessCombinationConstructionAcquiredFairValue" xlink:type="locator"/>

<link:label xlink:label="ora_BusinessCombinationConstructionAcquiredFairValue-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Fair value of projects under construction acquired in a buisness combination </link:label>

<link:label xlink:label="ora_BusinessCombinationConstructionAcquiredFairValue-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents fair value of projects under construction acquired in a business combination. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_BusinessCombinationConstructionAcquiredFairValue" xlink:to="ora_BusinessCombinationConstructionAcquiredFairValue-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_ConsolidationEliminationsMember" xlink:label="srt_ConsolidationEliminationsMember" xlink:type="locator"/>

<link:label xlink:label="srt_ConsolidationEliminationsMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Consolidation, Eliminations [Member] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_ConsolidationEliminationsMember" xlink:to="srt_ConsolidationEliminationsMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_CounterpartyNameAxis" xlink:label="srt_CounterpartyNameAxis" xlink:type="locator"/>

<link:label xlink:label="srt_CounterpartyNameAxis-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Counterparty Name [Axis] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_CounterpartyNameAxis" xlink:to="srt_CounterpartyNameAxis-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_RepurchaseAgreementCounterpartyNameDomain" xlink:label="srt_RepurchaseAgreementCounterpartyNameDomain" xlink:type="locator"/>

<link:label xlink:label="srt_RepurchaseAgreementCounterpartyNameDomain-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Counterparty Name [Domain] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_RepurchaseAgreementCounterpartyNameDomain" xlink:to="srt_RepurchaseAgreementCounterpartyNameDomain-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccountingStandardsUpdate201409Member" xlink:label="us-gaap_AccountingStandardsUpdate201409Member" xlink:type="locator"/>

<link:label xlink:label="us-gaap_AccountingStandardsUpdate201409Member-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accounting Standards Update 2014-09 [Member] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccountingStandardsUpdate201409Member" xlink:to="us-gaap_AccountingStandardsUpdate201409Member-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredIncomeTaxLiabilitiesNet" xlink:label="us-gaap_DeferredIncomeTaxLiabilitiesNet" xlink:type="locator"/>

<link:label xlink:label="us-gaap_DeferredIncomeTaxLiabilitiesNet-label" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Deferred income taxes </link:label>

<link:label xlink:label="us-gaap_DeferredIncomeTaxLiabilitiesNet-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_DeferredIncomeTaxLiabilitiesNet </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredIncomeTaxLiabilitiesNet" xlink:to="us-gaap_DeferredIncomeTaxLiabilitiesNet-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_ConsolidationItemsDomain" xlink:label="srt_ConsolidationItemsDomain" xlink:type="locator"/>

<link:label xlink:label="srt_ConsolidationItemsDomain-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Consolidation Items [Domain] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_ConsolidationItemsDomain" xlink:to="srt_ConsolidationItemsDomain-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfOtherNonoperatingExpenseByComponentTextBlock" xlink:label="us-gaap_ScheduleOfOtherNonoperatingExpenseByComponentTextBlock" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ScheduleOfOtherNonoperatingExpenseByComponentTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Other Nonoperating Expense, by Component [Table Text Block] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfOtherNonoperatingExpenseByComponentTextBlock" xlink:to="us-gaap_ScheduleOfOtherNonoperatingExpenseByComponentTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ContractWithCustomerLiability" xlink:label="us-gaap_ContractWithCustomerLiability" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ContractWithCustomerLiability-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_ContractWithCustomerLiability </link:label>

<link:label xlink:label="us-gaap_ContractWithCustomerLiability-label" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Contract liabilities (*) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ContractWithCustomerLiability" xlink:to="us-gaap_ContractWithCustomerLiability-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_ConsolidationItemsAxis" xlink:label="srt_ConsolidationItemsAxis" xlink:type="locator"/>

<link:label xlink:label="srt_ConsolidationItemsAxis-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Consolidation Items [Axis] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_ConsolidationItemsAxis" xlink:to="srt_ConsolidationItemsAxis-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccountingStandardsUpdate201602Member" xlink:label="us-gaap_AccountingStandardsUpdate201602Member" xlink:type="locator"/>

<link:label xlink:label="us-gaap_AccountingStandardsUpdate201602Member-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accounting Standards Update 2016-02 [Member] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccountingStandardsUpdate201602Member" xlink:to="us-gaap_AccountingStandardsUpdate201602Member-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_ConsolidatedEntitiesAxis" xlink:label="srt_ConsolidatedEntitiesAxis" xlink:type="locator"/>

<link:label xlink:label="srt_ConsolidatedEntitiesAxis-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Consolidated Entities [Axis] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_ConsolidatedEntitiesAxis" xlink:to="srt_ConsolidatedEntitiesAxis-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_ConsolidatedEntitiesDomain" xlink:label="srt_ConsolidatedEntitiesDomain" xlink:type="locator"/>

<link:label xlink:label="srt_ConsolidatedEntitiesDomain-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Consolidated Entities [Domain] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_ConsolidatedEntitiesDomain" xlink:to="srt_ConsolidatedEntitiesDomain-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_TypeOfAdoptionMember" xlink:label="us-gaap_TypeOfAdoptionMember" xlink:type="locator"/>

<link:label xlink:label="us-gaap_TypeOfAdoptionMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accounting Standards Update [Domain] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TypeOfAdoptionMember" xlink:to="us-gaap_TypeOfAdoptionMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_DeferredTaxLiabilityNetForeignDeferredTaxesPrimarilyDepreciation" xlink:label="ora_DeferredTaxLiabilityNetForeignDeferredTaxesPrimarilyDepreciation" xlink:type="locator"/>

<link:label xlink:label="ora_DeferredTaxLiabilityNetForeignDeferredTaxesPrimarilyDepreciation-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_DeferredTaxLiabilityNetForeignDeferredTaxesPrimarilyDepreciation </link:label>

<link:label xlink:label="ora_DeferredTaxLiabilityNetForeignDeferredTaxesPrimarilyDepreciation-label" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Net foreign deferred taxes, primarily depreciation </link:label>

<link:label xlink:label="ora_DeferredTaxLiabilityNetForeignDeferredTaxesPrimarilyDepreciation-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents primarily depreciation for deferred tax liabilities related to net foreign deferred taxes. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_DeferredTaxLiabilityNetForeignDeferredTaxesPrimarilyDepreciation" xlink:to="ora_DeferredTaxLiabilityNetForeignDeferredTaxesPrimarilyDepreciation-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LettersOfCreditOutstandingAmount" xlink:label="us-gaap_LettersOfCreditOutstandingAmount" xlink:type="locator"/>

<link:label xlink:label="us-gaap_LettersOfCreditOutstandingAmount-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_LettersOfCreditOutstandingAmount </link:label>

<link:label xlink:label="us-gaap_LettersOfCreditOutstandingAmount-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Letters of Credit Outstanding, Amount </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LettersOfCreditOutstandingAmount" xlink:to="us-gaap_LettersOfCreditOutstandingAmount-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AdjustmentsForNewAccountingPronouncementsAxis" xlink:label="us-gaap_AdjustmentsForNewAccountingPronouncementsAxis" xlink:type="locator"/>

<link:label xlink:label="us-gaap_AdjustmentsForNewAccountingPronouncementsAxis-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accounting Standards Update [Axis] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AdjustmentsForNewAccountingPronouncementsAxis" xlink:to="us-gaap_AdjustmentsForNewAccountingPronouncementsAxis-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EquityMethodInvestmentsDisclosureTextBlock" xlink:label="us-gaap_EquityMethodInvestmentsDisclosureTextBlock" xlink:type="locator"/>

<link:label xlink:label="us-gaap_EquityMethodInvestmentsDisclosureTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Equity Method Investments and Joint Ventures Disclosure [Text Block] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EquityMethodInvestmentsDisclosureTextBlock" xlink:to="us-gaap_EquityMethodInvestmentsDisclosureTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EquityMethodInvestmentsTextBlock" xlink:label="us-gaap_EquityMethodInvestmentsTextBlock" xlink:type="locator"/>

<link:label xlink:label="us-gaap_EquityMethodInvestmentsTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Equity Method Investments [Table Text Block] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EquityMethodInvestmentsTextBlock" xlink:to="us-gaap_EquityMethodInvestmentsTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccumulatedGainLossCashFlowHedgeIncludingNoncontrollingInterestMember" xlink:label="us-gaap_AccumulatedGainLossCashFlowHedgeIncludingNoncontrollingInterestMember" xlink:type="locator"/>

<link:label xlink:label="us-gaap_AccumulatedGainLossCashFlowHedgeIncludingNoncontrollingInterestMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accumulated Gain (Loss), Cash Flow Hedge, Including Noncontrolling Interest [Member] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccumulatedGainLossCashFlowHedgeIncludingNoncontrollingInterestMember" xlink:to="us-gaap_AccumulatedGainLossCashFlowHedgeIncludingNoncontrollingInterestMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NoncontrollingInterestMember" xlink:label="us-gaap_NoncontrollingInterestMember" xlink:type="locator"/>

<link:label xlink:label="us-gaap_NoncontrollingInterestMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Noncontrolling Interest [Member] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NoncontrollingInterestMember" xlink:to="us-gaap_NoncontrollingInterestMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_DonACambellSeniorSecuredNotesMember" xlink:label="ora_DonACambellSeniorSecuredNotesMember" xlink:type="locator"/>

<link:label xlink:label="ora_DonACambellSeniorSecuredNotesMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Don A. Cambell Senior Secured Notes [Member] </link:label>

<link:label xlink:label="ora_DonACambellSeniorSecuredNotesMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represent Don A. Cambell Senior Secured Notes. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_DonACambellSeniorSecuredNotesMember" xlink:to="ora_DonACambellSeniorSecuredNotesMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RetainedEarningsMember" xlink:label="us-gaap_RetainedEarningsMember" xlink:type="locator"/>

<link:label xlink:label="us-gaap_RetainedEarningsMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Retained Earnings [Member] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RetainedEarningsMember" xlink:to="us-gaap_RetainedEarningsMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_PrudentialCapitalPurchaseAgreementMember" xlink:label="ora_PrudentialCapitalPurchaseAgreementMember" xlink:type="locator"/>

<link:label xlink:label="ora_PrudentialCapitalPurchaseAgreementMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Prudential Capital Purchase Agreement [member] </link:label>

<link:label xlink:label="ora_PrudentialCapitalPurchaseAgreementMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the information related to purchase agreement with Prudential Capital Group. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_PrudentialCapitalPurchaseAgreementMember" xlink:to="ora_PrudentialCapitalPurchaseAgreementMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_DoeLoanGuaranteeMember" xlink:label="ora_DoeLoanGuaranteeMember" xlink:type="locator"/>

<link:label xlink:label="ora_DoeLoanGuaranteeMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> DOE Loan Guarantee [Member] </link:label>

<link:label xlink:label="ora_DoeLoanGuaranteeMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the loan guarantee associate with USG Oregon LLC. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_DoeLoanGuaranteeMember" xlink:to="ora_DoeLoanGuaranteeMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_PrudentialCapitalGroupAgreementMember" xlink:label="ora_PrudentialCapitalGroupAgreementMember" xlink:type="locator"/>

<link:label xlink:label="ora_PrudentialCapitalGroupAgreementMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Prudential Capital Group Agreement [Member] </link:label>

<link:label xlink:label="ora_PrudentialCapitalGroupAgreementMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents information related to Prudential Capital Group Agreement. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_PrudentialCapitalGroupAgreementMember" xlink:to="ora_PrudentialCapitalGroupAgreementMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_SeniorUnsecuredBondsSeries2Member" xlink:label="ora_SeniorUnsecuredBondsSeries2Member" xlink:type="locator"/>

<link:label xlink:label="ora_SeniorUnsecuredBondsSeries2Member-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Senior Unsecured Bonds, Series 2 [Member] </link:label>

<link:label xlink:label="ora_SeniorUnsecuredBondsSeries2Member-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The series 2 of senior unsecured bonds. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_SeniorUnsecuredBondsSeries2Member" xlink:to="ora_SeniorUnsecuredBondsSeries2Member-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_TungstenMountainMember" xlink:label="ora_TungstenMountainMember" xlink:type="locator"/>

<link:label xlink:label="ora_TungstenMountainMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Tungsten Mountain [Member] </link:label>

<link:label xlink:label="ora_TungstenMountainMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the information pertaining to Tungsten Mountain geothermal power plant. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_TungstenMountainMember" xlink:to="ora_TungstenMountainMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_OtherLoansLimitedResourceMember" xlink:label="ora_OtherLoansLimitedResourceMember" xlink:type="locator"/>

<link:label xlink:label="ora_OtherLoansLimitedResourceMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Loans, Limited Resource [Member] </link:label>

<link:label xlink:label="ora_OtherLoansLimitedResourceMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Information about Limited recourse loans classified as other. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_OtherLoansLimitedResourceMember" xlink:to="ora_OtherLoansLimitedResourceMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AdditionalPaidInCapitalMember" xlink:label="us-gaap_AdditionalPaidInCapitalMember" xlink:type="locator"/>

<link:label xlink:label="us-gaap_AdditionalPaidInCapitalMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Additional Paid-in Capital [Member] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AdditionalPaidInCapitalMember" xlink:to="us-gaap_AdditionalPaidInCapitalMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_SeniorUnsecuredBondsSeries3Member" xlink:label="ora_SeniorUnsecuredBondsSeries3Member" xlink:type="locator"/>

<link:label xlink:label="ora_SeniorUnsecuredBondsSeries3Member-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Senior Unsecured Bonds, Series 3 [Member] </link:label>

<link:label xlink:label="ora_SeniorUnsecuredBondsSeries3Member-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The series 3 of senior unsecured bonds. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_SeniorUnsecuredBondsSeries3Member" xlink:to="ora_SeniorUnsecuredBondsSeries3Member-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ParentMember" xlink:label="us-gaap_ParentMember" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ParentMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Parent [Member] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ParentMember" xlink:to="us-gaap_ParentMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommonStockMember" xlink:label="us-gaap_CommonStockMember" xlink:type="locator"/>

<link:label xlink:label="us-gaap_CommonStockMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Common Stock [Member] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockMember" xlink:to="us-gaap_CommonStockMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredRevenueLeasesGross" xlink:label="us-gaap_DeferredRevenueLeasesGross" xlink:type="locator"/>

<link:label xlink:label="us-gaap_DeferredRevenueLeasesGross-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_DeferredRevenueLeasesGross </link:label>

<link:label xlink:label="us-gaap_DeferredRevenueLeasesGross-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Deferred Lease Income, before Accumulated Amortization </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredRevenueLeasesGross" xlink:to="us-gaap_DeferredRevenueLeasesGross-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="us-gaap_StatementEquityComponentsAxis" xlink:type="locator"/>

<link:label xlink:label="us-gaap_StatementEquityComponentsAxis-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Equity Components [Axis] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementEquityComponentsAxis" xlink:to="us-gaap_StatementEquityComponentsAxis-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="us-gaap_EquityComponentDomain" xlink:type="locator"/>

<link:label xlink:label="us-gaap_EquityComponentDomain-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Equity Component [Domain] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EquityComponentDomain" xlink:to="us-gaap_EquityComponentDomain-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_AssetRetirementObligationLiabilitiesIncurredAndAcquired" xlink:label="ora_AssetRetirementObligationLiabilitiesIncurredAndAcquired" xlink:type="locator"/>

<link:label xlink:label="ora_AssetRetirementObligationLiabilitiesIncurredAndAcquired-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Liabilities incurred and acquired </link:label>

<link:label xlink:label="ora_AssetRetirementObligationLiabilitiesIncurredAndAcquired-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Amount of asset retirement obligations incurred and acquired during the period. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_AssetRetirementObligationLiabilitiesIncurredAndAcquired" xlink:to="ora_AssetRetirementObligationLiabilitiesIncurredAndAcquired-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_DEG2FacilityAgreementMember" xlink:label="ora_DEG2FacilityAgreementMember" xlink:type="locator"/>

<link:label xlink:label="ora_DEG2FacilityAgreementMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> DEG 2 Facility Agreement [Member] </link:label>

<link:label xlink:label="ora_DEG2FacilityAgreementMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the information pertaining to DEG 2 Facility Agreement. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_DEG2FacilityAgreementMember" xlink:to="ora_DEG2FacilityAgreementMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LongTermDebt" xlink:label="us-gaap_LongTermDebt" xlink:type="locator"/>

<link:label xlink:label="us-gaap_LongTermDebt-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long-term debt </link:label>

<link:label xlink:label="us-gaap_LongTermDebt-label" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebt" xlink:to="us-gaap_LongTermDebt-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_TaxEffectOfPaymentsToAcquireAdditionalInterestInSubsidiaries" xlink:label="ora_TaxEffectOfPaymentsToAcquireAdditionalInterestInSubsidiaries" xlink:type="locator"/>

<link:label xlink:label="ora_TaxEffectOfPaymentsToAcquireAdditionalInterestInSubsidiaries-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Tax effect of partnership interest buyout </link:label>

<link:label xlink:label="ora_TaxEffectOfPaymentsToAcquireAdditionalInterestInSubsidiaries-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The tax effect associated with the purchase of noncontrolling interest during the period. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_TaxEffectOfPaymentsToAcquireAdditionalInterestInSubsidiaries" xlink:to="ora_TaxEffectOfPaymentsToAcquireAdditionalInterestInSubsidiaries-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_TaxAuthorityOfGuatemalaInGuatemalaMember" xlink:label="ora_TaxAuthorityOfGuatemalaInGuatemalaMember" xlink:type="locator"/>

<link:label xlink:label="ora_TaxAuthorityOfGuatemalaInGuatemalaMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Tax Authority of Guatemala in Guatemala [Member] </link:label>

<link:label xlink:label="ora_TaxAuthorityOfGuatemalaInGuatemalaMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Designated tax department of the government of Guatemala. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_TaxAuthorityOfGuatemalaInGuatemalaMember" xlink:to="ora_TaxAuthorityOfGuatemalaInGuatemalaMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_LineOfCreditFacilityBorrowingCapacityIncrease" xlink:label="ora_LineOfCreditFacilityBorrowingCapacityIncrease" xlink:type="locator"/>

<link:label xlink:label="ora_LineOfCreditFacilityBorrowingCapacityIncrease-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_LineOfCreditFacilityBorrowingCapacityIncrease </link:label>

<link:label xlink:label="ora_LineOfCreditFacilityBorrowingCapacityIncrease-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Line of Credit Facility, Borrowing Capacity Increase </link:label>

<link:label xlink:label="ora_LineOfCreditFacilityBorrowingCapacityIncrease-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The amount of capacity of line of credit facility increased. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_LineOfCreditFacilityBorrowingCapacityIncrease" xlink:to="ora_LineOfCreditFacilityBorrowingCapacityIncrease-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_KenyaRevenueAuthorityMember" xlink:label="ora_KenyaRevenueAuthorityMember" xlink:type="locator"/>

<link:label xlink:label="ora_KenyaRevenueAuthorityMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Kenya Revenue Authority [Member] </link:label>

<link:label xlink:label="ora_KenyaRevenueAuthorityMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Designated tax department of the government of Kenya. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_KenyaRevenueAuthorityMember" xlink:to="ora_KenyaRevenueAuthorityMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_DAC2Member" xlink:label="ora_DAC2Member" xlink:type="locator"/>

<link:label xlink:label="ora_DAC2Member-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> DAC 2 [Member] </link:label>

<link:label xlink:label="ora_DAC2Member-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents Don A. Campbell Phase 2. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_DAC2Member" xlink:to="ora_DAC2Member-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_DeferredTaxesBusinessCombinationValuationAllowanceAvailableToReduceDeferredTaxAsset" xlink:label="ora_DeferredTaxesBusinessCombinationValuationAllowanceAvailableToReduceDeferredTaxAsset" xlink:type="locator"/>

<link:label xlink:label="ora_DeferredTaxesBusinessCombinationValuationAllowanceAvailableToReduceDeferredTaxAsset-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_DeferredTaxesBusinessCombinationValuationAllowanceAvailableToReduceDeferredTaxAsset </link:label>

<link:label xlink:label="ora_DeferredTaxesBusinessCombinationValuationAllowanceAvailableToReduceDeferredTaxAsset-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Deferred Taxes, Business Combination, Valuation Allowance, Available to Reduce Deferred Tax Asset </link:label>

<link:label xlink:label="ora_DeferredTaxesBusinessCombinationValuationAllowanceAvailableToReduceDeferredTaxAsset-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The amount of the valuation allowance recorded in a business combination against deductible temporary differences for which related tax benefits will be recorded as a reduction of the acquired entity's deferred tax assets (after such benefits are first being applied to reduce goodwill and then other noncurrent intangible assets to zero). </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_DeferredTaxesBusinessCombinationValuationAllowanceAvailableToReduceDeferredTaxAsset" xlink:to="ora_DeferredTaxesBusinessCombinationValuationAllowanceAvailableToReduceDeferredTaxAsset-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxAssetsLiabilitiesNet" xlink:label="ora_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxAssetsLiabilitiesNet" xlink:type="locator"/>

<link:label xlink:label="ora_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxAssetsLiabilitiesNet-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxAssetsLiabilitiesNet </link:label>

<link:label xlink:label="ora_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxAssetsLiabilitiesNet-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Business Combination Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Assets (Liabilities), Net </link:label>

<link:label xlink:label="ora_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxAssetsLiabilitiesNet-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Amount of deferred tax asset (liabilities), net, attributable to deductible temporary differences and carryforwards acquired at the acquisition date. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxAssetsLiabilitiesNet" xlink:to="ora_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxAssetsLiabilitiesNet-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_OpalGeoLLCMember" xlink:label="ora_OpalGeoLLCMember" xlink:type="locator"/>

<link:label xlink:label="ora_OpalGeoLLCMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Opal Geo LLC [Member] </link:label>

<link:label xlink:label="ora_OpalGeoLLCMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents Opal Geo LLC. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_OpalGeoLLCMember" xlink:to="ora_OpalGeoLLCMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LineOfCredit" xlink:label="us-gaap_LineOfCredit" xlink:type="locator"/>

<link:label xlink:label="us-gaap_LineOfCredit-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_LineOfCredit </link:label>

<link:label xlink:label="us-gaap_LineOfCredit-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Long-term Line of Credit, Total </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LineOfCredit" xlink:to="us-gaap_LineOfCredit-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_JpmCapitalCorporationMember" xlink:label="ora_JpmCapitalCorporationMember" xlink:type="locator"/>

<link:label xlink:label="ora_JpmCapitalCorporationMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> JPM Capital Corporation [Member] </link:label>

<link:label xlink:label="ora_JpmCapitalCorporationMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents JPM Capital Corporation. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_JpmCapitalCorporationMember" xlink:to="ora_JpmCapitalCorporationMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_EffectiveIncomeTaxRateReconciliationIntraentityTransfersOfAssetsOtherThanInventoryPercent" xlink:label="ora_EffectiveIncomeTaxRateReconciliationIntraentityTransfersOfAssetsOtherThanInventoryPercent" xlink:type="locator"/>

<link:label xlink:label="ora_EffectiveIncomeTaxRateReconciliationIntraentityTransfersOfAssetsOtherThanInventoryPercent-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to intra-entity transfers of assets other than inventory. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_EffectiveIncomeTaxRateReconciliationIntraentityTransfersOfAssetsOtherThanInventoryPercent" xlink:to="ora_EffectiveIncomeTaxRateReconciliationIntraentityTransfersOfAssetsOtherThanInventoryPercent-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_PercentageOfDistributableCashToNontrollingInterests" xlink:label="ora_PercentageOfDistributableCashToNontrollingInterests" xlink:type="locator"/>

<link:label xlink:label="ora_PercentageOfDistributableCashToNontrollingInterests-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_PercentageOfDistributableCashToNontrollingInterests </link:label>

<link:label xlink:label="ora_PercentageOfDistributableCashToNontrollingInterests-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Percentage Of Distributable Cash to Nontrolling Interests </link:label>

<link:label xlink:label="ora_PercentageOfDistributableCashToNontrollingInterests-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Percentage of distributable cash to nontrolling interests. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_PercentageOfDistributableCashToNontrollingInterests" xlink:to="ora_PercentageOfDistributableCashToNontrollingInterests-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_EffectiveIncomeTaxRateReconciliationTaxOnGlobalIntangibleLowincomeTaxPercent" xlink:label="ora_EffectiveIncomeTaxRateReconciliationTaxOnGlobalIntangibleLowincomeTaxPercent" xlink:type="locator"/>

<link:label xlink:label="ora_EffectiveIncomeTaxRateReconciliationTaxOnGlobalIntangibleLowincomeTaxPercent-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to tax on global intangible low-income tax. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_EffectiveIncomeTaxRateReconciliationTaxOnGlobalIntangibleLowincomeTaxPercent" xlink:to="ora_EffectiveIncomeTaxRateReconciliationTaxOnGlobalIntangibleLowincomeTaxPercent-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EnergyEquipmentMember" xlink:label="us-gaap_EnergyEquipmentMember" xlink:type="locator"/>

<link:label xlink:label="us-gaap_EnergyEquipmentMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Energy Equipment [Member] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EnergyEquipmentMember" xlink:to="us-gaap_EnergyEquipmentMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_PercentageOfIncomeLossGainDeductionAndCreditAllocatedToNoncontrollingInterests" xlink:label="ora_PercentageOfIncomeLossGainDeductionAndCreditAllocatedToNoncontrollingInterests" xlink:type="locator"/>

<link:label xlink:label="ora_PercentageOfIncomeLossGainDeductionAndCreditAllocatedToNoncontrollingInterests-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_PercentageOfIncomeLossGainDeductionAndCreditAllocatedToNoncontrollingInterests </link:label>

<link:label xlink:label="ora_PercentageOfIncomeLossGainDeductionAndCreditAllocatedToNoncontrollingInterests-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Percentage of Income (Loss), Gain, Deduction and Credit Allocated to Noncontrolling Interests </link:label>

<link:label xlink:label="ora_PercentageOfIncomeLossGainDeductionAndCreditAllocatedToNoncontrollingInterests-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The percentage of income (loss), gain, deduction and credit allocated to Noncontrolling Interests </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_PercentageOfIncomeLossGainDeductionAndCreditAllocatedToNoncontrollingInterests" xlink:to="ora_PercentageOfIncomeLossGainDeductionAndCreditAllocatedToNoncontrollingInterests-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_ReconciliationOfCashAndCashEquivalentsAndRestrictedCashPolicyTextBlock" xlink:label="ora_ReconciliationOfCashAndCashEquivalentsAndRestrictedCashPolicyTextBlock" xlink:type="locator"/>

<link:label xlink:label="ora_ReconciliationOfCashAndCashEquivalentsAndRestrictedCashPolicyTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Reconciliation of Cash and Cash Equivalents and Restricted Cash [Policy Text Block] </link:label>

<link:label xlink:label="ora_ReconciliationOfCashAndCashEquivalentsAndRestrictedCashPolicyTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The accounting policy for the reconciliation of cash and cash equivalents and restricted cash. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_ReconciliationOfCashAndCashEquivalentsAndRestrictedCashPolicyTextBlock" xlink:to="ora_ReconciliationOfCashAndCashEquivalentsAndRestrictedCashPolicyTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_PercentageOfIncomeLossGainDeductionAndCreditAllocatedToNoncontrollingInterestsPtcsNotAvailable" xlink:label="ora_PercentageOfIncomeLossGainDeductionAndCreditAllocatedToNoncontrollingInterestsPtcsNotAvailable" xlink:type="locator"/>

<link:label xlink:label="ora_PercentageOfIncomeLossGainDeductionAndCreditAllocatedToNoncontrollingInterestsPtcsNotAvailable-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_PercentageOfIncomeLossGainDeductionAndCreditAllocatedToNoncontrollingInterestsPtcsNotAvailable </link:label>

<link:label xlink:label="ora_PercentageOfIncomeLossGainDeductionAndCreditAllocatedToNoncontrollingInterestsPtcsNotAvailable-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Percentage of Income (Loss), Gain, Deduction and Credit Allocated to Noncontrolling Interests, PTCs Not Available </link:label>

<link:label xlink:label="ora_PercentageOfIncomeLossGainDeductionAndCreditAllocatedToNoncontrollingInterestsPtcsNotAvailable-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The percentage of income (loss), gain, deduction and credit allocated to Noncontrolling Interests in case of PTCs are not available. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_PercentageOfIncomeLossGainDeductionAndCreditAllocatedToNoncontrollingInterestsPtcsNotAvailable" xlink:to="ora_PercentageOfIncomeLossGainDeductionAndCreditAllocatedToNoncontrollingInterestsPtcsNotAvailable-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_PercentageOfIncomeLossGainDeductionAndCreditAllocatedToControllingInterestsPtcsNotAvailable" xlink:label="ora_PercentageOfIncomeLossGainDeductionAndCreditAllocatedToControllingInterestsPtcsNotAvailable" xlink:type="locator"/>

<link:label xlink:label="ora_PercentageOfIncomeLossGainDeductionAndCreditAllocatedToControllingInterestsPtcsNotAvailable-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_PercentageOfIncomeLossGainDeductionAndCreditAllocatedToControllingInterestsPtcsNotAvailable </link:label>

<link:label xlink:label="ora_PercentageOfIncomeLossGainDeductionAndCreditAllocatedToControllingInterestsPtcsNotAvailable-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Percentage of Income (Loss), Gain, Deduction and Credit Allocated to Controlling Interests, PTCs Not Available </link:label>

<link:label xlink:label="ora_PercentageOfIncomeLossGainDeductionAndCreditAllocatedToControllingInterestsPtcsNotAvailable-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The percentage of income (loss), gain, deduction and credit allocated to controlling Interests in case of PTCs are not available. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_PercentageOfIncomeLossGainDeductionAndCreditAllocatedToControllingInterestsPtcsNotAvailable" xlink:to="ora_PercentageOfIncomeLossGainDeductionAndCreditAllocatedToControllingInterestsPtcsNotAvailable-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredFinanceCostsNet" xlink:label="us-gaap_DeferredFinanceCostsNet" xlink:type="locator"/>

<link:label xlink:label="us-gaap_DeferredFinanceCostsNet-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Deferred financing costs </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredFinanceCostsNet" xlink:to="us-gaap_DeferredFinanceCostsNet-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_FairValueOfEquityInterestSold" xlink:label="ora_FairValueOfEquityInterestSold" xlink:type="locator"/>

<link:label xlink:label="ora_FairValueOfEquityInterestSold-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_FairValueOfEquityInterestSold </link:label>

<link:label xlink:label="ora_FairValueOfEquityInterestSold-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Fair Value of Equity Interest Sold </link:label>

<link:label xlink:label="ora_FairValueOfEquityInterestSold-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The fair value of equity interest sold in a transaction. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_FairValueOfEquityInterestSold" xlink:to="ora_FairValueOfEquityInterestSold-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_VehiclesMember" xlink:label="us-gaap_VehiclesMember" xlink:type="locator"/>

<link:label xlink:label="us-gaap_VehiclesMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Vehicles [Member] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_VehiclesMember" xlink:to="us-gaap_VehiclesMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_PercentageOfDistributableCashToControllingInterest" xlink:label="ora_PercentageOfDistributableCashToControllingInterest" xlink:type="locator"/>

<link:label xlink:label="ora_PercentageOfDistributableCashToControllingInterest-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_PercentageOfDistributableCashToControllingInterest </link:label>

<link:label xlink:label="ora_PercentageOfDistributableCashToControllingInterest-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Percentage Of Distributable Cash to Controlling Interest </link:label>

<link:label xlink:label="ora_PercentageOfDistributableCashToControllingInterest-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The percentage of distributable cash to controlling interest. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_PercentageOfDistributableCashToControllingInterest" xlink:to="ora_PercentageOfDistributableCashToControllingInterest-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_PercentageOfIncomeLossGainDeductionAndCreditAllocatedToControllingInterests" xlink:label="ora_PercentageOfIncomeLossGainDeductionAndCreditAllocatedToControllingInterests" xlink:type="locator"/>

<link:label xlink:label="ora_PercentageOfIncomeLossGainDeductionAndCreditAllocatedToControllingInterests-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_PercentageOfIncomeLossGainDeductionAndCreditAllocatedToControllingInterests </link:label>

<link:label xlink:label="ora_PercentageOfIncomeLossGainDeductionAndCreditAllocatedToControllingInterests-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Percentage of Income (Loss), Gain, Deduction and Credit Allocated to Controlling Interests </link:label>

<link:label xlink:label="ora_PercentageOfIncomeLossGainDeductionAndCreditAllocatedToControllingInterests-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The percentage of income (loss), gain, deduction and credit allocated to controlling Interests </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_PercentageOfIncomeLossGainDeductionAndCreditAllocatedToControllingInterests" xlink:to="ora_PercentageOfIncomeLossGainDeductionAndCreditAllocatedToControllingInterests-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AutomobilesMember" xlink:label="us-gaap_AutomobilesMember" xlink:type="locator"/>

<link:label xlink:label="us-gaap_AutomobilesMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Automobiles [Member] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AutomobilesMember" xlink:to="us-gaap_AutomobilesMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_EffectiveIncomeTaxRateReconciliationTaxCreditProductionPercent" xlink:label="ora_EffectiveIncomeTaxRateReconciliationTaxCreditProductionPercent" xlink:type="locator"/>

<link:label xlink:label="ora_EffectiveIncomeTaxRateReconciliationTaxCreditProductionPercent-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_EffectiveIncomeTaxRateReconciliationTaxCreditProductionPercent </link:label>

<link:label xlink:label="ora_EffectiveIncomeTaxRateReconciliationTaxCreditProductionPercent-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Production tax credits </link:label>

<link:label xlink:label="ora_EffectiveIncomeTaxRateReconciliationTaxCreditProductionPercent-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to production tax credit. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_EffectiveIncomeTaxRateReconciliationTaxCreditProductionPercent" xlink:to="ora_EffectiveIncomeTaxRateReconciliationTaxCreditProductionPercent-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OfficeEquipmentMember" xlink:label="us-gaap_OfficeEquipmentMember" xlink:type="locator"/>

<link:label xlink:label="us-gaap_OfficeEquipmentMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Office Equipment [Member] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OfficeEquipmentMember" xlink:to="us-gaap_OfficeEquipmentMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_MaterialReconcilingItemsMember" xlink:label="us-gaap_MaterialReconcilingItemsMember" xlink:type="locator"/>

<link:label xlink:label="us-gaap_MaterialReconcilingItemsMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Segment Reconciling Items [Member] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MaterialReconcilingItemsMember" xlink:to="us-gaap_MaterialReconcilingItemsMember-label" xlink:type="arc"/>

<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_DocumentAnnualReport" xlink:label="dei_DocumentAnnualReport" xlink:type="locator"/>

<link:label xlink:label="dei_DocumentAnnualReport-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Document Annual Report </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentAnnualReport" xlink:to="dei_DocumentAnnualReport-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_MachineryAndEquipmentMember" xlink:label="us-gaap_MachineryAndEquipmentMember" xlink:type="locator"/>

<link:label xlink:label="us-gaap_MachineryAndEquipmentMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Machinery and Equipment [Member] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MachineryAndEquipmentMember" xlink:to="us-gaap_MachineryAndEquipmentMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BalanceSheetLocationAxis" xlink:label="us-gaap_BalanceSheetLocationAxis" xlink:type="locator"/>

<link:label xlink:label="us-gaap_BalanceSheetLocationAxis-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Balance Sheet Location [Axis] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BalanceSheetLocationAxis" xlink:to="us-gaap_BalanceSheetLocationAxis-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BalanceSheetLocationDomain" xlink:label="us-gaap_BalanceSheetLocationDomain" xlink:type="locator"/>

<link:label xlink:label="us-gaap_BalanceSheetLocationDomain-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Balance Sheet Location [Domain] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BalanceSheetLocationDomain" xlink:to="us-gaap_BalanceSheetLocationDomain-label" xlink:type="arc"/>

<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityIncorporationStateCountryCode" xlink:label="dei_EntityIncorporationStateCountryCode" xlink:type="locator"/>

<link:label xlink:label="dei_EntityIncorporationStateCountryCode-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity Incorporation, State or Country Code </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityIncorporationStateCountryCode" xlink:to="dei_EntityIncorporationStateCountryCode-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentCarryingAmount" xlink:label="us-gaap_DebtInstrumentCarryingAmount" xlink:type="locator"/>

<link:label xlink:label="us-gaap_DebtInstrumentCarryingAmount-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Amount Outstanding </link:label>

<link:label xlink:label="us-gaap_DebtInstrumentCarryingAmount-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Long-term Debt, Gross </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentCarryingAmount" xlink:to="us-gaap_DebtInstrumentCarryingAmount-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_GeneralAndAdministrativeExpenseMember" xlink:label="us-gaap_GeneralAndAdministrativeExpenseMember" xlink:type="locator"/>

<link:label xlink:label="us-gaap_GeneralAndAdministrativeExpenseMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> General and Administrative Expense [Member] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GeneralAndAdministrativeExpenseMember" xlink:to="us-gaap_GeneralAndAdministrativeExpenseMember-label" xlink:type="arc"/>

<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_DocumentTransitionReport" xlink:label="dei_DocumentTransitionReport" xlink:type="locator"/>

<link:label xlink:label="dei_DocumentTransitionReport-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Document Transition Report </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentTransitionReport" xlink:to="dei_DocumentTransitionReport-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ForeignCurrencyGainLossMember" xlink:label="us-gaap_ForeignCurrencyGainLossMember" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ForeignCurrencyGainLossMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Foreign Currency Gain (Loss) [Member] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ForeignCurrencyGainLossMember" xlink:to="us-gaap_ForeignCurrencyGainLossMember-label" xlink:type="arc"/>

<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityInteractiveDataCurrent" xlink:label="dei_EntityInteractiveDataCurrent" xlink:type="locator"/>

<link:label xlink:label="dei_EntityInteractiveDataCurrent-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity Interactive Data Current </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityInteractiveDataCurrent" xlink:to="dei_EntityInteractiveDataCurrent-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SellingAndMarketingExpenseMember" xlink:label="us-gaap_SellingAndMarketingExpenseMember" xlink:type="locator"/>

<link:label xlink:label="us-gaap_SellingAndMarketingExpenseMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Selling and Marketing Expense [Member] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SellingAndMarketingExpenseMember" xlink:to="us-gaap_SellingAndMarketingExpenseMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_AmortizationOfDeferredIncome" xlink:label="ora_AmortizationOfDeferredIncome" xlink:type="locator"/>

<link:label xlink:label="ora_AmortizationOfDeferredIncome-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Amortization of deferred lease income </link:label>

<link:label xlink:label="ora_AmortizationOfDeferredIncome-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The amount of amortization of deferred income applied during the period. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_AmortizationOfDeferredIncome" xlink:to="ora_AmortizationOfDeferredIncome-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_PaymentsForProceedsFromAcquireAdditionalInterestInSubsidiaries" xlink:label="ora_PaymentsForProceedsFromAcquireAdditionalInterestInSubsidiaries" xlink:type="locator"/>

<link:label xlink:label="ora_PaymentsForProceedsFromAcquireAdditionalInterestInSubsidiaries-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Buyout of Class B membership in OPC </link:label>

<link:label xlink:label="ora_PaymentsForProceedsFromAcquireAdditionalInterestInSubsidiaries-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> he cash flow associated with the purchase of noncontrolling interest during the period. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_PaymentsForProceedsFromAcquireAdditionalInterestInSubsidiaries" xlink:to="ora_PaymentsForProceedsFromAcquireAdditionalInterestInSubsidiaries-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShortTermBankLoansAndNotesPayable" xlink:label="us-gaap_ShortTermBankLoansAndNotesPayable" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ShortTermBankLoansAndNotesPayable-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Short term revolving credit lines with banks (full recourse) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShortTermBankLoansAndNotesPayable" xlink:to="us-gaap_ShortTermBankLoansAndNotesPayable-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NonoperatingIncomeExpenseMember" xlink:label="us-gaap_NonoperatingIncomeExpenseMember" xlink:type="locator"/>

<link:label xlink:label="us-gaap_NonoperatingIncomeExpenseMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Nonoperating Income (Expense) [Member] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NonoperatingIncomeExpenseMember" xlink:to="us-gaap_NonoperatingIncomeExpenseMember-label" xlink:type="arc"/>

<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_SecurityExchangeName" xlink:label="dei_SecurityExchangeName" xlink:type="locator"/>

<link:label xlink:label="dei_SecurityExchangeName-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Security Exchange Name </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_SecurityExchangeName" xlink:to="dei_SecurityExchangeName-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingExpenseMember" xlink:label="us-gaap_OperatingExpenseMember" xlink:type="locator"/>

<link:label xlink:label="us-gaap_OperatingExpenseMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating Expense [Member] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingExpenseMember" xlink:to="us-gaap_OperatingExpenseMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommercialPaper" xlink:label="us-gaap_CommercialPaper" xlink:type="locator"/>

<link:label xlink:label="us-gaap_CommercialPaper-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Commercial paper </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommercialPaper" xlink:to="us-gaap_CommercialPaper-label" xlink:type="arc"/>

<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_Security12bTitle" xlink:label="dei_Security12bTitle" xlink:type="locator"/>

<link:label xlink:label="dei_Security12bTitle-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Title of 12(b) Security </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_Security12bTitle" xlink:to="dei_Security12bTitle-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_ContractWithCustomerLiabilityCurrentCustomerAdvance" xlink:label="ora_ContractWithCustomerLiabilityCurrentCustomerAdvance" xlink:type="locator"/>

<link:label xlink:label="ora_ContractWithCustomerLiabilityCurrentCustomerAdvance-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Customer advances </link:label>

<link:label xlink:label="ora_ContractWithCustomerLiabilityCurrentCustomerAdvance-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The current portion of prepayments received from customers for goods or services to be provided in the future. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_ContractWithCustomerLiabilityCurrentCustomerAdvance" xlink:to="ora_ContractWithCustomerLiabilityCurrentCustomerAdvance-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CostOfSalesMember" xlink:label="us-gaap_CostOfSalesMember" xlink:type="locator"/>

<link:label xlink:label="us-gaap_CostOfSalesMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Cost of Sales [Member] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CostOfSalesMember" xlink:to="us-gaap_CostOfSalesMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_CashCashEquivalentsAndRestrictedCashFairValueDisclosure" xlink:label="ora_CashCashEquivalentsAndRestrictedCashFairValueDisclosure" xlink:type="locator"/>

<link:label xlink:label="ora_CashCashEquivalentsAndRestrictedCashFairValueDisclosure-label" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Cash equivalents (including restricted cash accounts) </link:label>

<link:label xlink:label="ora_CashCashEquivalentsAndRestrictedCashFairValueDisclosure-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_CashCashEquivalentsAndRestrictedCashFairValueDisclosure </link:label>

<link:label xlink:label="ora_CashCashEquivalentsAndRestrictedCashFairValueDisclosure-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Fair value portion of currency on hand as well as demand deposits with banks or financial institutions and include restricted cash. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_CashCashEquivalentsAndRestrictedCashFairValueDisclosure" xlink:to="ora_CashCashEquivalentsAndRestrictedCashFairValueDisclosure-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeStatementLocationAxis" xlink:label="us-gaap_IncomeStatementLocationAxis" xlink:type="locator"/>

<link:label xlink:label="us-gaap_IncomeStatementLocationAxis-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income Statement Location [Axis] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeStatementLocationAxis" xlink:to="us-gaap_IncomeStatementLocationAxis-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DepositsFairValueDisclosure" xlink:label="us-gaap_DepositsFairValueDisclosure" xlink:type="locator"/>

<link:label xlink:label="us-gaap_DepositsFairValueDisclosure-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_DepositsFairValueDisclosure </link:label>

<link:label xlink:label="us-gaap_DepositsFairValueDisclosure-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Deposits </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DepositsFairValueDisclosure" xlink:to="us-gaap_DepositsFairValueDisclosure-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="us-gaap_IncomeStatementLocationDomain" xlink:type="locator"/>

<link:label xlink:label="us-gaap_IncomeStatementLocationDomain-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income Statement Location [Domain] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeStatementLocationDomain" xlink:to="us-gaap_IncomeStatementLocationDomain-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_TypeOfArrangementAxis" xlink:label="us-gaap_TypeOfArrangementAxis" xlink:type="locator"/>

<link:label xlink:label="us-gaap_TypeOfArrangementAxis-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Collaborative Arrangement and Arrangement Other than Collaborative [Axis] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TypeOfArrangementAxis" xlink:to="us-gaap_TypeOfArrangementAxis-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AssetRetirementObligation" xlink:label="us-gaap_AssetRetirementObligation" xlink:type="locator"/>

<link:label xlink:label="us-gaap_AssetRetirementObligation-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_AssetRetirementObligation </link:label>

<link:label xlink:label="us-gaap_AssetRetirementObligation-label" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US"> Balance at beginning of year </link:label>

<link:label xlink:label="us-gaap_AssetRetirementObligation-label" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US"> Balance at end of year </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetRetirementObligation" xlink:to="us-gaap_AssetRetirementObligation-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_DeferredTaxAssetsLiabilitiesAfterUncertainTaxBenefitOffset" xlink:label="ora_DeferredTaxAssetsLiabilitiesAfterUncertainTaxBenefitOffset" xlink:type="locator"/>

<link:label xlink:label="ora_DeferredTaxAssetsLiabilitiesAfterUncertainTaxBenefitOffset-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_DeferredTaxAssetsLiabilitiesAfterUncertainTaxBenefitOffset </link:label>

<link:label xlink:label="ora_DeferredTaxAssetsLiabilitiesAfterUncertainTaxBenefitOffset-label" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Deferred Tax Assets (Liabilities), After Uncertain Tax Benefit Offset </link:label>

<link:label xlink:label="ora_DeferredTaxAssetsLiabilitiesAfterUncertainTaxBenefitOffset-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Amount, after uncertain tax benefit offset, of deferred tax asset (liabilities) attributable to deductible differences and carryforwards, without jurisdictional netting. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_DeferredTaxAssetsLiabilitiesAfterUncertainTaxBenefitOffset" xlink:to="ora_DeferredTaxAssetsLiabilitiesAfterUncertainTaxBenefitOffset-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners" xlink:label="us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners" xlink:type="locator"/>

<link:label xlink:label="us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners </link:label>

<link:label xlink:label="us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners" xlink:to="us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="us-gaap_StatementBusinessSegmentsAxis" xlink:type="locator"/>

<link:label xlink:label="us-gaap_StatementBusinessSegmentsAxis-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Segments [Axis] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementBusinessSegmentsAxis" xlink:to="us-gaap_StatementBusinessSegmentsAxis-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SegmentDomain" xlink:label="us-gaap_SegmentDomain" xlink:type="locator"/>

<link:label xlink:label="us-gaap_SegmentDomain-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Segments [Domain] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SegmentDomain" xlink:to="us-gaap_SegmentDomain-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AllOtherSegmentsMember" xlink:label="us-gaap_AllOtherSegmentsMember" xlink:type="locator"/>

<link:label xlink:label="us-gaap_AllOtherSegmentsMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Segments [Member] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AllOtherSegmentsMember" xlink:to="us-gaap_AllOtherSegmentsMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RedeemableNoncontrollingInterestTableTextBlock" xlink:label="us-gaap_RedeemableNoncontrollingInterestTableTextBlock" xlink:type="locator"/>

<link:label xlink:label="us-gaap_RedeemableNoncontrollingInterestTableTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Redeemable Noncontrolling Interest [Table Text Block] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RedeemableNoncontrollingInterestTableTextBlock" xlink:to="us-gaap_RedeemableNoncontrollingInterestTableTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NonUsMember" xlink:label="us-gaap_NonUsMember" xlink:type="locator"/>

<link:label xlink:label="us-gaap_NonUsMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Non-US [Member] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NonUsMember" xlink:to="us-gaap_NonUsMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable" xlink:type="locator"/>

<link:label xlink:label="us-gaap_StatementTable-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Statement [Table] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementTable-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_OperatingLossCarryforwardsExpiringAmount" xlink:label="ora_OperatingLossCarryforwardsExpiringAmount" xlink:type="locator"/>

<link:label xlink:label="ora_OperatingLossCarryforwardsExpiringAmount-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_OperatingLossCarryforwardsExpiringAmount </link:label>

<link:label xlink:label="ora_OperatingLossCarryforwardsExpiringAmount-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Operating Loss Carryforwards Expiring Amount </link:label>

<link:label xlink:label="ora_OperatingLossCarryforwardsExpiringAmount-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Amount of operating loss carryforward expiring amout, before tax effects, available to reduce future taxable income under enacted tax laws. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_OperatingLossCarryforwardsExpiringAmount" xlink:to="ora_OperatingLossCarryforwardsExpiringAmount-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_OperatingLossCarryforwardsAvailableForIndefinitePeriod" xlink:label="ora_OperatingLossCarryforwardsAvailableForIndefinitePeriod" xlink:type="locator"/>

<link:label xlink:label="ora_OperatingLossCarryforwardsAvailableForIndefinitePeriod-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_OperatingLossCarryforwardsAvailableForIndefinitePeriod </link:label>

<link:label xlink:label="ora_OperatingLossCarryforwardsAvailableForIndefinitePeriod-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Operating Loss Carryforwards Available For Indefinite Period </link:label>

<link:label xlink:label="ora_OperatingLossCarryforwardsAvailableForIndefinitePeriod-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws for indefinite period. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_OperatingLossCarryforwardsAvailableForIndefinitePeriod" xlink:to="ora_OperatingLossCarryforwardsAvailableForIndefinitePeriod-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_OlkariaIIIPlant4LoanDeg2Member" xlink:label="ora_OlkariaIIIPlant4LoanDeg2Member" xlink:type="locator"/>

<link:label xlink:label="ora_OlkariaIIIPlant4LoanDeg2Member-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Olkaria III Plant 4 Loan - DEG 2 [Member] </link:label>

<link:label xlink:label="ora_OlkariaIIIPlant4LoanDeg2Member-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents Olkaria III plant 4 loan - DEG 2. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_OlkariaIIIPlant4LoanDeg2Member" xlink:to="ora_OlkariaIIIPlant4LoanDeg2Member-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeStatementAbstract" xlink:label="us-gaap_IncomeStatementAbstract" xlink:type="locator"/>

<link:label xlink:label="us-gaap_IncomeStatementAbstract-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income Statement [Abstract] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeStatementAbstract" xlink:to="us-gaap_IncomeStatementAbstract-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_OlkariaIIIPlant1LoanDeg3Member" xlink:label="ora_OlkariaIIIPlant1LoanDeg3Member" xlink:type="locator"/>

<link:label xlink:label="ora_OlkariaIIIPlant1LoanDeg3Member-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Olkaria III plant 1 Loan - DEG 3 [Member] </link:label>

<link:label xlink:label="ora_OlkariaIIIPlant1LoanDeg3Member-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents Olkaria III plant 1 loan - DEG 3. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_OlkariaIIIPlant1LoanDeg3Member" xlink:to="ora_OlkariaIIIPlant1LoanDeg3Member-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" xlink:type="locator"/>

<link:label xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree </link:label>

<link:label xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2023 </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" xlink:to="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" xlink:type="locator"/>

<link:label xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour </link:label>

<link:label xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2024 </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" xlink:to="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive" xlink:type="locator"/>

<link:label xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive </link:label>

<link:label xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2025 </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive" xlink:to="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive" xlink:type="locator"/>

<link:label xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive </link:label>

<link:label xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Thereafter </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive" xlink:to="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_CurrencyForwardContractsMember" xlink:label="ora_CurrencyForwardContractsMember" xlink:type="locator"/>

<link:label xlink:label="ora_CurrencyForwardContractsMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Currency Forward Contracts [Member] </link:label>

<link:label xlink:label="ora_CurrencyForwardContractsMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Contracts negotiated between two parties to purchase and sell a specific quantity of a financial instrument, foreign currency, or commodity at a price specified at origination of the contract, with delivery and settlement at a specified future date. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_CurrencyForwardContractsMember" xlink:to="ora_CurrencyForwardContractsMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" xlink:type="locator"/>

<link:label xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths </link:label>

<link:label xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2021 </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" xlink:to="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" xlink:type="locator"/>

<link:label xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo </link:label>

<link:label xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2022 </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" xlink:to="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_PartnershipAgreementPercentageOfTaxableIncomeToPrivateInvestorIfTargetReturnNotReached" xlink:label="ora_PartnershipAgreementPercentageOfTaxableIncomeToPrivateInvestorIfTargetReturnNotReached" xlink:type="locator"/>

<link:label xlink:label="ora_PartnershipAgreementPercentageOfTaxableIncomeToPrivateInvestorIfTargetReturnNotReached-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the amount, expressed as a percentage, of taxable income that the private investor will receive after the Target Flip Date and the date in which the private investor reaches its target return, if target return is not reached by the Target Flip Date. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_PartnershipAgreementPercentageOfTaxableIncomeToPrivateInvestorIfTargetReturnNotReached" xlink:to="ora_PartnershipAgreementPercentageOfTaxableIncomeToPrivateInvestorIfTargetReturnNotReached-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_OtherGeothermalPowerPlantsMember" xlink:label="ora_OtherGeothermalPowerPlantsMember" xlink:type="locator"/>

<link:label xlink:label="ora_OtherGeothermalPowerPlantsMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Geothermal Power Plants [Member] </link:label>

<link:label xlink:label="ora_OtherGeothermalPowerPlantsMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents information pertaining to other geothermal power plants. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_OtherGeothermalPowerPlantsMember" xlink:to="ora_OtherGeothermalPowerPlantsMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_PartnershipAgreementPercentageOfDistributableCashFlowGeneratedToPrivateInvestorIfTargetReturnNotReached" xlink:label="ora_PartnershipAgreementPercentageOfDistributableCashFlowGeneratedToPrivateInvestorIfTargetReturnNotReached" xlink:type="locator"/>

<link:label xlink:label="ora_PartnershipAgreementPercentageOfDistributableCashFlowGeneratedToPrivateInvestorIfTargetReturnNotReached-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Partnership Agreement, Percentage of Distributable Cash Flow Generated to Private Investor if Target Return Not Reached </link:label>

<link:label xlink:label="ora_PartnershipAgreementPercentageOfDistributableCashFlowGeneratedToPrivateInvestorIfTargetReturnNotReached-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the amount, expressed as a percentage, that the private investor receives of the distributable cash flow generated by the project after the Target Flip Date and the date in which the private investor reaches its target return, if not reached by Target Flip Date. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_PartnershipAgreementPercentageOfDistributableCashFlowGeneratedToPrivateInvestorIfTargetReturnNotReached" xlink:to="ora_PartnershipAgreementPercentageOfDistributableCashFlowGeneratedToPrivateInvestorIfTargetReturnNotReached-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_DeferredTaxAssetsLeaseLiabilities" xlink:label="ora_DeferredTaxAssetsLeaseLiabilities" xlink:type="locator"/>

<link:label xlink:label="ora_DeferredTaxAssetsLeaseLiabilities-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Lease liabilities </link:label>

<link:label xlink:label="ora_DeferredTaxAssetsLeaseLiabilities-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from lease liabilities. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_DeferredTaxAssetsLeaseLiabilities" xlink:to="ora_DeferredTaxAssetsLeaseLiabilities-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_DeferredTaxLiabilitiesLeaseLiabilitiesRightOfUseAsset" xlink:label="ora_DeferredTaxLiabilitiesLeaseLiabilitiesRightOfUseAsset" xlink:type="locator"/>

<link:label xlink:label="ora_DeferredTaxLiabilitiesLeaseLiabilitiesRightOfUseAsset-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_DeferredTaxLiabilitiesLeaseLiabilitiesRightOfUseAsset </link:label>

<link:label xlink:label="ora_DeferredTaxLiabilitiesLeaseLiabilitiesRightOfUseAsset-label" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Right-of-use assets </link:label>

<link:label xlink:label="ora_DeferredTaxLiabilitiesLeaseLiabilitiesRightOfUseAsset-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Amount of deferred tax liability attributable to taxable temporary differences from right of use asset. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_DeferredTaxLiabilitiesLeaseLiabilitiesRightOfUseAsset" xlink:to="ora_DeferredTaxLiabilitiesLeaseLiabilitiesRightOfUseAsset-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_PartnershipAgreementPercentageOfTaxableIncomeToPrivateInvestorIfTargetReturnNotReachedNoLongerGeneratingPtcs" xlink:label="ora_PartnershipAgreementPercentageOfTaxableIncomeToPrivateInvestorIfTargetReturnNotReachedNoLongerGeneratingPtcs" xlink:type="locator"/>

<link:label xlink:label="ora_PartnershipAgreementPercentageOfTaxableIncomeToPrivateInvestorIfTargetReturnNotReachedNoLongerGeneratingPtcs-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Partnership Agreement, Percentage of Taxable Income to Private Investor if Target Return Not Reached, No Longer Generating PTCs </link:label>

<link:label xlink:label="ora_PartnershipAgreementPercentageOfTaxableIncomeToPrivateInvestorIfTargetReturnNotReachedNoLongerGeneratingPtcs-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the amount, expressed as a percentage, of taxable income that the private investor will receive after the Target Flip Date and the date in which the private investor reaches its target return, if not reached by Target Flip Date, and after the project no longer generates PTCs. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_PartnershipAgreementPercentageOfTaxableIncomeToPrivateInvestorIfTargetReturnNotReachedNoLongerGeneratingPtcs" xlink:to="ora_PartnershipAgreementPercentageOfTaxableIncomeToPrivateInvestorIfTargetReturnNotReachedNoLongerGeneratingPtcs-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfNewAccountingPronouncementsAndChangesInAccountingPrinciplesTextBlock" xlink:label="us-gaap_ScheduleOfNewAccountingPronouncementsAndChangesInAccountingPrinciplesTextBlock" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ScheduleOfNewAccountingPronouncementsAndChangesInAccountingPrinciplesTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accounting Standards Update and Change in Accounting Principle [Table Text Block] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfNewAccountingPronouncementsAndChangesInAccountingPrinciplesTextBlock" xlink:to="us-gaap_ScheduleOfNewAccountingPronouncementsAndChangesInAccountingPrinciplesTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_SCPPAPowerPurchaseAgreementPolicyPolicyTextBlock" xlink:label="ora_SCPPAPowerPurchaseAgreementPolicyPolicyTextBlock" xlink:type="locator"/>

<link:label xlink:label="ora_SCPPAPowerPurchaseAgreementPolicyPolicyTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> SCPPA Power Purchase Agreement, Policy [Policy Text Block] </link:label>

<link:label xlink:label="ora_SCPPAPowerPurchaseAgreementPolicyPolicyTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Disclosure of accounting policy for SCPPA power purchase agreement. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_SCPPAPowerPurchaseAgreementPolicyPolicyTextBlock" xlink:to="ora_SCPPAPowerPurchaseAgreementPolicyPolicyTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherLiabilitiesNoncurrent" xlink:label="us-gaap_OtherLiabilitiesNoncurrent" xlink:type="locator"/>

<link:label xlink:label="us-gaap_OtherLiabilitiesNoncurrent-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other long-term liabilities </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherLiabilitiesNoncurrent" xlink:to="us-gaap_OtherLiabilitiesNoncurrent-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax" xlink:label="us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax" xlink:type="locator"/>

<link:label xlink:label="us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Amortization of unrealized gains in respect of derivative instruments designated for cash flow hedge, tax </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax" xlink:to="us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RestructuringReserveNoncurrent" xlink:label="us-gaap_RestructuringReserveNoncurrent" xlink:type="locator"/>

<link:label xlink:label="us-gaap_RestructuringReserveNoncurrent-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Liabilities for severance pay </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RestructuringReserveNoncurrent" xlink:to="us-gaap_RestructuringReserveNoncurrent-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_RedeemableNoncontrollingInterestEquityPaymentToMinorityForDividendreturnOnInvestment" xlink:label="ora_RedeemableNoncontrollingInterestEquityPaymentToMinorityForDividendreturnOnInvestment" xlink:type="locator"/>

<link:label xlink:label="ora_RedeemableNoncontrollingInterestEquityPaymentToMinorityForDividendreturnOnInvestment-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_RedeemableNoncontrollingInterestEquityPaymentToMinorityForDividendreturnOnInvestment </link:label>

<link:label xlink:label="ora_RedeemableNoncontrollingInterestEquityPaymentToMinorityForDividendreturnOnInvestment-label" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Cash paid to noncontrolling interest </link:label>

<link:label xlink:label="ora_RedeemableNoncontrollingInterestEquityPaymentToMinorityForDividendreturnOnInvestment-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The amount of payment to minority for dividend-return on investment which changes the equity of a redeemable noncontrolling interest. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_RedeemableNoncontrollingInterestEquityPaymentToMinorityForDividendreturnOnInvestment" xlink:to="ora_RedeemableNoncontrollingInterestEquityPaymentToMinorityForDividendreturnOnInvestment-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_PunaPowerPlantPolicyPolicyTextBlock" xlink:label="ora_PunaPowerPlantPolicyPolicyTextBlock" xlink:type="locator"/>

<link:label xlink:label="ora_PunaPowerPlantPolicyPolicyTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Puna Power Plant, Policy [Policy Text Block] </link:label>

<link:label xlink:label="ora_PunaPowerPlantPolicyPolicyTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Disclosure of accounting policy for Puna Power Plant. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_PunaPowerPlantPolicyPolicyTextBlock" xlink:to="ora_PunaPowerPlantPolicyPolicyTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LiabilityForUncertainTaxPositionsNoncurrent" xlink:label="us-gaap_LiabilityForUncertainTaxPositionsNoncurrent" xlink:type="locator"/>

<link:label xlink:label="us-gaap_LiabilityForUncertainTaxPositionsNoncurrent-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Liability for unrecognized tax benefits </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilityForUncertainTaxPositionsNoncurrent" xlink:to="us-gaap_LiabilityForUncertainTaxPositionsNoncurrent-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_AllocationToLiabilityAssociatedWithSaleOfTaxBenefitsMember" xlink:label="ora_AllocationToLiabilityAssociatedWithSaleOfTaxBenefitsMember" xlink:type="locator"/>

<link:label xlink:label="ora_AllocationToLiabilityAssociatedWithSaleOfTaxBenefitsMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Allocation to Liability Associated With Sale of Tax Benefits [Member] </link:label>

<link:label xlink:label="ora_AllocationToLiabilityAssociatedWithSaleOfTaxBenefitsMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Related to the allocation of a liability associated with the sale of tax benefits. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_AllocationToLiabilityAssociatedWithSaleOfTaxBenefitsMember" xlink:to="ora_AllocationToLiabilityAssociatedWithSaleOfTaxBenefitsMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_TaxMonetizationTransactionsPolicyPolicyTextBlock" xlink:label="ora_TaxMonetizationTransactionsPolicyPolicyTextBlock" xlink:type="locator"/>

<link:label xlink:label="ora_TaxMonetizationTransactionsPolicyPolicyTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Tax Monetization Transactions Policy [Policy Text Block] </link:label>

<link:label xlink:label="ora_TaxMonetizationTransactionsPolicyPolicyTextBlock-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Disclosure of transactions related to the monetization of certain tax positions held by the company. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_TaxMonetizationTransactionsPolicyPolicyTextBlock" xlink:to="ora_TaxMonetizationTransactionsPolicyPolicyTextBlock-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DerivativeLiabilitiesNoncurrent" xlink:label="us-gaap_DerivativeLiabilitiesNoncurrent" xlink:type="locator"/>

<link:label xlink:label="us-gaap_DerivativeLiabilitiesNoncurrent-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_DerivativeLiabilitiesNoncurrent </link:label>

<link:label xlink:label="us-gaap_DerivativeLiabilitiesNoncurrent-label" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Derivative Liability, Noncurrent </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeLiabilitiesNoncurrent" xlink:to="us-gaap_DerivativeLiabilitiesNoncurrent-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_UnrecognizedTaxBenefitsIncreasesDecreasesResultingFromPriorPeriodTaxPositions" xlink:label="ora_UnrecognizedTaxBenefitsIncreasesDecreasesResultingFromPriorPeriodTaxPositions" xlink:type="locator"/>

<link:label xlink:label="ora_UnrecognizedTaxBenefitsIncreasesDecreasesResultingFromPriorPeriodTaxPositions-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Additions based on tax positions taken in prior years </link:label>

<link:label xlink:label="ora_UnrecognizedTaxBenefitsIncreasesDecreasesResultingFromPriorPeriodTaxPositions-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Amount of increase (decrease) in unrecognized tax benefits resulting from tax positions taken in prior period tax returns. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_UnrecognizedTaxBenefitsIncreasesDecreasesResultingFromPriorPeriodTaxPositions" xlink:to="ora_UnrecognizedTaxBenefitsIncreasesDecreasesResultingFromPriorPeriodTaxPositions-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_DeferredTaxAssetsTaxDeferredExpenseReservesAccrualsAccruedLiabilitiesAndOtherAmounts" xlink:label="ora_DeferredTaxAssetsTaxDeferredExpenseReservesAccrualsAccruedLiabilitiesAndOtherAmounts" xlink:type="locator"/>

<link:label xlink:label="ora_DeferredTaxAssetsTaxDeferredExpenseReservesAccrualsAccruedLiabilitiesAndOtherAmounts-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from accrued liabilities and other amounts not separately disclosed. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_DeferredTaxAssetsTaxDeferredExpenseReservesAccrualsAccruedLiabilitiesAndOtherAmounts" xlink:to="ora_DeferredTaxAssetsTaxDeferredExpenseReservesAccrualsAccruedLiabilitiesAndOtherAmounts-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="us-gaap_StockholdersEquity" xlink:type="locator"/>

<link:label xlink:label="us-gaap_StockholdersEquity-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_StockholdersEquity </link:label>

<link:label xlink:label="us-gaap_StockholdersEquity-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Stockholders' Equity Attributable to Parent, Ending Balance </link:label>

<link:label xlink:label="us-gaap_StockholdersEquity-label" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total stockholders' equity attributable to Company's stockholders </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockholdersEquity" xlink:to="us-gaap_StockholdersEquity-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxAttributableToParentAbstract" xlink:label="us-gaap_OtherComprehensiveIncomeLossNetOfTaxAttributableToParentAbstract" xlink:type="locator"/>

<link:label xlink:label="us-gaap_OtherComprehensiveIncomeLossNetOfTaxAttributableToParentAbstract-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other comprehensive income (loss), net of related taxes: </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherComprehensiveIncomeLossNetOfTaxAttributableToParentAbstract" xlink:to="us-gaap_OtherComprehensiveIncomeLossNetOfTaxAttributableToParentAbstract-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RecordedUnconditionalPurchaseObligation" xlink:label="us-gaap_RecordedUnconditionalPurchaseObligation" xlink:type="locator"/>

<link:label xlink:label="us-gaap_RecordedUnconditionalPurchaseObligation-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_RecordedUnconditionalPurchaseObligation </link:label>

<link:label xlink:label="us-gaap_RecordedUnconditionalPurchaseObligation-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Recorded Unconditional Purchase Obligation, Total </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RecordedUnconditionalPurchaseObligation" xlink:to="us-gaap_RecordedUnconditionalPurchaseObligation-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherLongTermDebtNoncurrent" xlink:label="us-gaap_OtherLongTermDebtNoncurrent" xlink:type="locator"/>

<link:label xlink:label="us-gaap_OtherLongTermDebtNoncurrent-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other loans (less deferred financing costs of $1,340 and $1,519, respectively) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherLongTermDebtNoncurrent" xlink:to="us-gaap_OtherLongTermDebtNoncurrent-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherLoansPayableLongTerm" xlink:label="us-gaap_OtherLoansPayableLongTerm" xlink:type="locator"/>

<link:label xlink:label="us-gaap_OtherLoansPayableLongTerm-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other loans (less deferred financing costs of $8,557 and $10,482, respectively) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherLoansPayableLongTerm" xlink:to="us-gaap_OtherLoansPayableLongTerm-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax" xlink:label="us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax" xlink:type="locator"/>

<link:label xlink:label="us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax </link:label>

<link:label xlink:label="us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax-label" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Amortization of unrealized gains in respect of derivative instruments designated for cash flow hedge </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax" xlink:to="us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_InterestRateSwapMember" xlink:label="us-gaap_InterestRateSwapMember" xlink:type="locator"/>

<link:label xlink:label="us-gaap_InterestRateSwapMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Interest Rate Swap [Member] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestRateSwapMember" xlink:to="us-gaap_InterestRateSwapMember-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_HeitVSOrmatTechnologiesIncMember" xlink:label="ora_HeitVSOrmatTechnologiesIncMember" xlink:type="locator"/>

<link:label xlink:label="ora_HeitVSOrmatTechnologiesIncMember-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Heit vs Ormat Technologies, Inc. [Member] </link:label>

<link:label xlink:label="ora_HeitVSOrmatTechnologiesIncMember-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> A class action was filed in the Tel Aviv District Court (Economic Division) entitled Heit vs Ormat Technologies, Inc. et al (C.A. 44366-05-18). </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_HeitVSOrmatTechnologiesIncMember" xlink:to="ora_HeitVSOrmatTechnologiesIncMember-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DerivativeFixedInterestRate" xlink:label="us-gaap_DerivativeFixedInterestRate" xlink:type="locator"/>

<link:label xlink:label="us-gaap_DerivativeFixedInterestRate-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> us-gaap_DerivativeFixedInterestRate </link:label>

<link:label xlink:label="us-gaap_DerivativeFixedInterestRate-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Derivative, Fixed Interest Rate </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeFixedInterestRate" xlink:to="us-gaap_DerivativeFixedInterestRate-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SeniorLongTermNotes" xlink:label="us-gaap_SeniorLongTermNotes" xlink:type="locator"/>

<link:label xlink:label="us-gaap_SeniorLongTermNotes-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Senior secured notes (less deferred financing costs of $5,318 and $6,317, respectively) </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SeniorLongTermNotes" xlink:to="us-gaap_SeniorLongTermNotes-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax" xlink:label="us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax" xlink:type="locator"/>

<link:label xlink:label="us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Change in unrealized gains or losses in respect of a cross currency swap derivative instrument that qualifies as a cash flow hedge </link:label>

<link:label xlink:label="us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Change in respect of derivative instruments designated for cash flow hedge </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax" xlink:to="us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis" xlink:label="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Exercise Price Range [Axis] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis" xlink:to="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherReceivablesNetCurrent" xlink:label="us-gaap_OtherReceivablesNetCurrent" xlink:type="locator"/>

<link:label xlink:label="us-gaap_OtherReceivablesNetCurrent-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherReceivablesNetCurrent" xlink:to="us-gaap_OtherReceivablesNetCurrent-label" xlink:type="arc"/>

<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain" xlink:label="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain" xlink:type="locator"/>

<link:label xlink:label="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Exercise Price Range [Domain] </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain" xlink:to="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain-label" xlink:type="arc"/>

<link:loc xlink:href="ora-20201231.xsd#ora_ParternshipAgreementInitialPurchasePrice" xlink:label="ora_ParternshipAgreementInitialPurchasePrice" xlink:type="locator"/>

<link:label xlink:label="ora_ParternshipAgreementInitialPurchasePrice-label" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> ora_ParternshipAgreementInitialPurchasePrice </link:label>

<link:label xlink:label="ora_ParternshipAgreementInitialPurchasePrice-label" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Parternship Agreement, Initial Purchase Price </link:label>

<link:label xlink:label="ora_ParternshipAgreementInitialPurchasePrice-label" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The initial purchase price of the power plant that sold to a private investor by the company. </link:label>

<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ora_ParternshipAgreementInitialPurchasePrice" xlink:to="ora_ParternshipAgreementInitialPurchasePrice-label" xlink:type="arc"/>

</link:labelLink>

</link:linkbase>

3 Subsequent Filings that Reference this Filing

  As Of               Filer                 Filing    For·On·As Docs:Size             Issuer                      Filing Agent

 2/23/24  Ormat Technologies, Inc.          10-K       12/31/23  139:27M                                    RDG Filings/FA
 2/24/23  Ormat Technologies, Inc.          10-K       12/31/22  140:25M                                    RDG Filings/FA
 2/25/22  Ormat Technologies, Inc.          10-K       12/31/21  143:66M                                    RDG Filings/FA

30 Previous Filings that this Filing References

  As Of               Filer                 Filing    For·On·As Docs:Size             Issuer                      Filing Agent

12/21/20  Ormat Technologies, Inc.          8-K:5,9    12/16/20   12:244K                                   RDG Filings/FA
 8/06/20  Ormat Technologies, Inc.          10-Q        6/30/20   69:9.3M                                   RDG Filings/FA
 7/06/20  Ormat Technologies, Inc.          8-K:5,9     7/02/20   12:1.3M                                   RDG Filings/FA
 7/01/20  Ormat Technologies, Inc.          8-K:1,2,9   6/25/20   13:1.1M                                   RDG Filings/FA
 5/11/20  Ormat Technologies, Inc.          10-Q        3/31/20   65:7.8M                                   RDG Filings/FA
 4/14/20  Ormat Technologies, Inc.          8-K:1,9     4/14/20   12:183K                                   RDG Filings/FA
11/12/19  Ormat Technologies, Inc.          8-K/A:5,9  11/06/19   15:896K                                   RDG Filings/FA
 5/08/19  Ormat Technologies, Inc.          10-Q        3/31/19   71:7.4M                                   RDG Filings/FA
 3/01/19  Ormat Technologies, Inc.          10-K       12/31/18  135:23M                                    RDG Filings/FA
11/08/18  Ormat Technologies, Inc.          10-Q        9/30/18   72:9.5M                                   RDG Filings/FA
 8/08/18  Ormat Technologies, Inc.          10-Q        6/30/18   74:9.3M                                   RDG Filings/FA
 6/19/18  Ormat Technologies, Inc.          10-Q        3/31/18   69:82M                                    RDG Filings/FA
 5/09/18  Ormat Technologies, Inc.          8-K:5,9     5/07/18    3:204K                                   RDG Filings/FA
 3/27/18  Ormat Technologies, Inc.          DEF 14A     3/27/18    1:868K                                   Z-K Global Ltd./FA
 3/16/18  Ormat Technologies, Inc.          10-K       12/31/17  127:22M                                    RDG Filings/FA
11/09/17  Ormat Technologies, Inc.          8-K:5,8,9  11/07/17    2:120K                                   RDG Filings/FA
 6/01/17  Ormat Technologies, Inc.          8-K:1,8,9   5/25/17    3:1.8M                                   RDG Filings/FA
 5/04/17  Ormat Technologies, Inc.          8-K:1,5,8,9 5/04/17    7:579K                                   RDG Filings/FA
 3/01/17  Ormat Technologies, Inc.          10-K       12/31/16  131:22M                                    RDG Filings/FA
12/06/16  Ormat Technologies, Inc.          8-K/A:1,2,911/29/16    2:1.3M                                   RDG Filings/FA
 2/29/16  Ormat Technologies, Inc.          8-K:5,9     2/23/16    2:84K                                    RDG Filings/FA
 5/07/15  Ormat Technologies, Inc.          10-Q        3/31/15   62:9.2M                                   RDG Filings/FA
 5/09/14  Ormat Technologies, Inc.          10-Q        3/31/14   78:21M                                    RDG Filings/FA
 2/28/14  Ormat Technologies, Inc.          10-K       12/31/13  138:33M                                    RDG Filings/FA
 2/11/14  Ormat Technologies, Inc.          8-K:5,9     2/11/14    4:346K                                   RDG Filings/FA
11/08/12  Ormat Technologies, Inc.          10-Q        9/30/12   69:7.2M                                   Donnelley … Solutions/FA
11/04/11  Ormat Technologies, Inc.          10-Q        9/30/11   82:8.7M                                   Donnelley … Solutions/FA
10/22/04  Ormat Technologies, Inc.          S-1/A                 21:8.3M                                   Capital Systems 01/FA
 9/28/04  Ormat Technologies, Inc.          S-1/A                 90:15M                                    Capital Systems 01/FA
 7/21/04  Ormat Technologies, Inc.          S-1                   89:11M                                    Capital Systems 01/FA

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Filing Submission 0001437749-21-004274 – Alternative Formats (Word / Rich Text, HTML, Plain Text, et al.)