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Isun, Inc. – ‘10-K’ for 12/31/23 – ‘EX-101.SCH’

On:  Tuesday, 4/16/24, at 5:31pm ET   ·   For:  12/31/23   ·   Accession #:  1493152-24-14892   ·   File #:  1-37707

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

 4/16/24  Isun, Inc.                        10-K       12/31/23  116:50M                                    M2 Compliance LLC/FA

Annual Report   —   Form 10-K   —   SEA’34

Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: 10-K        Annual Report                                       HTML   1.70M 
 2: EX-10.37    Material Contract                                   HTML     34K 
 3: EX-10.38    Material Contract                                   HTML     36K 
 4: EX-10.39    Material Contract                                   HTML     39K 
 5: EX-21       Subsidiaries List                                   HTML     30K 
 6: EX-23.1     Consent of Expert or Counsel                        HTML     29K 
10: EX-97.1     Clawback Policy re: Recovery of Erroneously         HTML     29K 
                Awarded Compensation                                             
 7: EX-31.1     Certification -- §302 - SOA'02                      HTML     34K 
 8: EX-31.2     Certification -- §302 - SOA'02                      HTML     34K 
 9: EX-32.1     Certification -- §906 - SOA'02                      HTML     30K 
16: R1          Cover                                               HTML    103K 
17: R2          Consolidated Balance Sheets                         HTML    145K 
18: R3          Consolidated Balance Sheets (Parenthetical)         HTML     55K 
19: R4          Consolidated Statements of Operations               HTML    120K 
20: R5          Consolidated Statements of Changes in Series A      HTML     79K 
                Convertible Preferred Stock and Stockholders'                    
                Equity                                                           
21: R6          Consolidated Statements of Cash Flows               HTML    159K 
22: R7          Summary of Operations and Significant Accounting    HTML    144K 
                Policies                                                         
23: R8          Liquidity and Going Concern                         HTML     36K 
24: R9          Accounts Receivable                                 HTML     50K 
25: R10         Contracts in Progress                               HTML     43K 
26: R11         Property and Equipment                              HTML     42K 
27: R12         Operating Segments                                  HTML     82K 
28: R13         Leases                                              HTML     50K 
29: R14         Long-Term Debt                                      HTML     90K 
30: R15         Commitments and Contingencies                       HTML     36K 
31: R16         Warrants                                            HTML     39K 
32: R17         Fair Value Measurements                             HTML     72K 
33: R18         Union Assessments                                   HTML     56K 
34: R19         Related Party Transactions                          HTML     36K 
35: R20         Income Taxes                                        HTML     71K 
36: R21         Captive Insurance                                   HTML     44K 
37: R22         Earnings (Loss) Per Share                           HTML     44K 
38: R23         Restricted Stock and Stock Options                  HTML     82K 
39: R24         Series A Convertible Preferred Stock                HTML     42K 
40: R25         Sales of Common Stock Pursuant to S-3 Registration  HTML     38K 
                Statement                                                        
41: R26         Investments                                         HTML     42K 
42: R27         Intangibles                                         HTML     48K 
43: R28         Revisions of Previously Issued Financial            HTML     42K 
                Statements                                                       
44: R29         Subsequent Events                                   HTML     35K 
45: R30         Summary of Operations and Significant Accounting    HTML    204K 
                Policies (Policies)                                              
46: R31         Summary of Operations and Significant Accounting    HTML     73K 
                Policies (Tables)                                                
47: R32         Accounts Receivable (Tables)                        HTML     51K 
48: R33         Contracts in Progress (Tables)                      HTML     43K 
49: R34         Property and Equipment (Tables)                     HTML     39K 
50: R35         Operating Segments (Tables)                         HTML     74K 
51: R36         Leases (Tables)                                     HTML     49K 
52: R37         Long-Term Debt (Tables)                             HTML     75K 
53: R38         Warrants (Tables)                                   HTML     37K 
54: R39         Fair Value Measurements (Tables)                    HTML     70K 
55: R40         Union Assessments (Tables)                          HTML     54K 
56: R41         Income Taxes (Tables)                               HTML     66K 
57: R42         Captive Insurance (Tables)                          HTML     39K 
58: R43         Earnings (Loss) Per Share (Tables)                  HTML     41K 
59: R44         Restricted Stock and Stock Options (Tables)         HTML     52K 
60: R45         Investments (Tables)                                HTML     38K 
61: R46         Intangibles (Tables)                                HTML     48K 
62: R47         Revisions of Previously Issued Financial            HTML     40K 
                Statements (Tables)                                              
63: R48         Schedule of Disaggregation of Revenue (Details)     HTML     38K 
64: R49         Schedule of Revenue Based Operational Segment       HTML     38K 
                (Details)                                                        
65: R50         Schedule of Concentration of Accounts Receivable    HTML     51K 
                (Details)                                                        
66: R51         Schedule of Contract Asset and Liabilities          HTML     35K 
                (Details)                                                        
67: R52         Schedule of Estimated Useful Lives (Details)        HTML     46K 
68: R53         Summary of Operations and Significant Accounting    HTML     85K 
                Policies (Details Narrative)                                     
69: R54         Liquidity and Going Concern (Details Narrative)     HTML     46K 
70: R55         Schedule of Accounts Receivable (Details)           HTML     42K 
71: R56         Schedule of Contract Assets and Liabilities         HTML     46K 
                (Details)                                                        
72: R57         Accounts Receivable (Details Narrative)             HTML     31K 
73: R58         Schedule of Contracts in Progress (Details)         HTML     47K 
74: R59         Schedule of Property and Equipment (Details)        HTML     49K 
75: R60         Property and Equipment (Details Narrative)          HTML     32K 
76: R61         Schedule of Segment Net Revenue (Details)           HTML    103K 
77: R62         Schedule of Lease Expense (Details)                 HTML     43K 
78: R63         Schedule of Estimated Future Minimum Lease          HTML     53K 
                (Details)                                                        
79: R64         Leases (Details Narrative)                          HTML     32K 
80: R65         Summary of Long-Term Debt (Details)                 HTML     67K 
81: R66         Summary of Long-Term Debt (Details)                 HTML     69K 
                (Parenthetical)                                                  
82: R67         Schedule of Maturities of Long-Term Debt (Details)  HTML     50K 
83: R68         Long-Term Debt (Details Narrative)                  HTML     95K 
84: R69         Schedule of Warrants Acquired (Details)             HTML     36K 
85: R70         Warrants (Details Narrative)                        HTML     42K 
86: R71         Schedule of Fair Value Measurement Inputs           HTML     47K 
                (Details)                                                        
87: R72         Schedule of Assets and Liabilities Measured at      HTML     48K 
                Fair Value on Recurring Basis (Details)                          
88: R73         Schedule of Roll Forward of Level 3 Instruments     HTML     37K 
                (Details)                                                        
89: R74         Fair Value Measurements (Details Narrative)         HTML     36K 
90: R75         Schedule of Union Assessments (Details)             HTML     42K 
91: R76         Schedule of Multiemployer Plans (Details)           HTML     45K 
92: R77         Related Party Transactions (Details Narrative)      HTML     31K 
93: R78         Schedule of Components of Income Tax Expense        HTML     52K 
                (Benefit) (Details)                                              
94: R79         Schedule of Deferred Tax Assets and Liabilities     HTML     54K 
                (Details)                                                        
95: R80         Schedule of Effective Income Tax Rate               HTML     53K 
                Reconciliation (Details)                                         
96: R81         Income Taxes (Details Narrative)                    HTML     51K 
97: R82         Summary of Financial Information (Details)          HTML     61K 
98: R83         Captive Insurance (Details Narrative)               HTML     41K 
99: R84         Schedule of Potential Share Issuances Excluded      HTML     50K 
                From Computation of Earnings (Loss) Per Share                    
                (Details)                                                        
100: R85         Schedule of Share Based Payment Arrangement,        HTML     63K  
                Option, Activity (Details)                                       
101: R86         Restricted Stock and Stock Options (Details         HTML    119K  
                Narrative)                                                       
102: R87         Series A Convertible Preferred Stock (Details       HTML     73K  
                Narrative)                                                       
103: R88         Sales of Common Stock Pursuant to S-3 Registration  HTML     38K  
                Statement (Details Narrative)                                    
104: R89         Schedule of Investment (Details)                    HTML     62K  
105: R90         Investments (Details Narrative)                     HTML     33K  
106: R91         Schedule of Finite Lived Intangible Assets          HTML     48K  
                (Details)                                                        
107: R92         Schedule of Finite Lived Intangible Assets, Future  HTML     45K  
                Amortization Expense (Details)                                   
108: R93         Intangibles (Details Narrative)                     HTML     34K  
109: R94         Schedule of Correcting Error (Details)              HTML     44K  
110: R95         Revisions of Previously Issued Financial            HTML     36K  
                Statements (Details Narrative)                                   
111: R96         Subsequent Events (Details Narrative)               HTML     43K  
113: XML         IDEA XML File -- Filing Summary                      XML    205K  
116: XML         XBRL Instance -- form10-k_htm                        XML   1.87M  
112: EXCEL       IDEA Workbook of Financial Report Info              XLSX    194K  
12: EX-101.CAL  XBRL Calculations -- isun-20231231_cal               XML    287K 
13: EX-101.DEF  XBRL Definitions -- isun-20231231_def                XML    717K 
14: EX-101.LAB  XBRL Labels -- isun-20231231_lab                     XML   1.43M 
15: EX-101.PRE  XBRL Presentations -- isun-20231231_pre              XML   1.10M 
11: EX-101.SCH  XBRL Schema -- isun-20231231                         XSD    235K 
114: JSON        XBRL Instance as JSON Data -- MetaLinks              620±   897K  
115: ZIP         XBRL Zipped Folder -- 0001493152-24-014892-xbrl      Zip    385K

‘EX-101.SCH’   —   XBRL Schema — isun-20231231

This Exhibit is an XBRL File.

                                                                                                                                                                                
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<link:usedOn> link:calculationLink </link:usedOn>
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<link:usedOn> link:calculationLink </link:usedOn>
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<link:usedOn> link:calculationLink </link:usedOn>
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<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://isunenergy.com/role/WarrantsTables" id="WarrantsTables">
<link:definition> 00000038 - Disclosure - WARRANTS (Tables) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://isunenergy.com/role/FairValueMeasurementsTables" id="FairValueMeasurementsTables">
<link:definition> 00000039 - Disclosure - FAIR VALUE MEASUREMENTS (Tables) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://isunenergy.com/role/UnionAssessmentsTables" id="UnionAssessmentsTables">
<link:definition> 00000040 - Disclosure - UNION ASSESSMENTS (Tables) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://isunenergy.com/role/IncomeTaxesTables" id="IncomeTaxesTables">
<link:definition> 00000041 - Disclosure - INCOME TAXES (Tables) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://isunenergy.com/role/CaptiveInsuranceTables" id="CaptiveInsuranceTables">
<link:definition> 00000042 - Disclosure - CAPTIVE INSURANCE (Tables) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://isunenergy.com/role/EarningsLossPerShareTables" id="EarningsLossPerShareTables">
<link:definition> 00000043 - Disclosure - EARNINGS (LOSS) PER SHARE (Tables) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://isunenergy.com/role/RestrictedStockAndStockOptionsTables" id="RestrictedStockAndStockOptionsTables">
<link:definition> 00000044 - Disclosure - RESTRICTED STOCK AND STOCK OPTIONS (Tables) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://isunenergy.com/role/InvestmentsTables" id="InvestmentsTables">
<link:definition> 00000045 - Disclosure - INVESTMENTS (Tables) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://isunenergy.com/role/IntangiblesTables" id="IntangiblesTables">
<link:definition> 00000046 - Disclosure - INTANGIBLES (Tables) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://isunenergy.com/role/RevisionsOfPreviouslyIssuedFinancialStatementsTables" id="RevisionsOfPreviouslyIssuedFinancialStatementsTables">
<link:definition> 00000047 - Disclosure - REVISIONS OF PREVIOUSLY ISSUED FINANCIAL STATEMENTS (Tables) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://isunenergy.com/role/ScheduleOfDisaggregationOfRevenueDetails" id="ScheduleOfDisaggregationOfRevenueDetails">
<link:definition> 00000048 - Disclosure - SCHEDULE OF DISAGGREGATION OF REVENUE (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://isunenergy.com/role/ScheduleOfRevenueBasedOperationalSegmentDetails" id="ScheduleOfRevenueBasedOperationalSegmentDetails">
<link:definition> 00000049 - Disclosure - SCHEDULE OF REVENUE BASED OPERATIONAL SEGMENT (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://isunenergy.com/role/ScheduleOfConcentrationOfAccountsReceivableDetails" id="ScheduleOfConcentrationOfAccountsReceivableDetails">
<link:definition> 00000050 - Disclosure - SCHEDULE OF CONCENTRATION OF ACCOUNTS RECEIVABLE (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://isunenergy.com/role/ScheduleOfContractAssetAndLiabilitiesDetails" id="ScheduleOfContractAssetAndLiabilitiesDetails">
<link:definition> 00000051 - Disclosure - SCHEDULE OF CONTRACT ASSET AND LIABILITIES (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://isunenergy.com/role/ScheduleOfEstimatedUsefulLivesDetails" id="ScheduleOfEstimatedUsefulLivesDetails">
<link:definition> 00000052 - Disclosure - SCHEDULE OF ESTIMATED USEFUL LIVES (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://isunenergy.com/role/SummaryOfOperationsAndSignificantAccountingPoliciesDetailsNarrative" id="SummaryOfOperationsAndSignificantAccountingPoliciesDetailsNarrative">
<link:definition> 00000053 - Disclosure - SUMMARY OF OPERATIONS AND SIGNIFICANT ACCOUNTING POLICIES (Details Narrative) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://isunenergy.com/role/LiquidityAndGoingConcernDetailsNarrative" id="LiquidityAndGoingConcernDetailsNarrative">
<link:definition> 00000054 - Disclosure - LIQUIDITY AND GOING CONCERN (Details Narrative) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://isunenergy.com/role/ScheduleOfAccountsReceivableDetails" id="ScheduleOfAccountsReceivableDetails">
<link:definition> 00000055 - Disclosure - SCHEDULE OF ACCOUNTS RECEIVABLE (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://isunenergy.com/role/ScheduleOfContractAssetsAndLiabilitiesDetails" id="ScheduleOfContractAssetsAndLiabilitiesDetails">
<link:definition> 00000056 - Disclosure - SCHEDULE OF CONTRACT ASSETS AND LIABILITIES (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://isunenergy.com/role/AccountsReceivableDetailsNarrative" id="AccountsReceivableDetailsNarrative">
<link:definition> 00000057 - Disclosure - ACCOUNTS RECEIVABLE (Details Narrative) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://isunenergy.com/role/ScheduleOfContractsInProgressDetails" id="ScheduleOfContractsInProgressDetails">
<link:definition> 00000058 - Disclosure - SCHEDULE OF CONTRACTS IN PROGRESS (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://isunenergy.com/role/ScheduleOfPropertyAndEquipmentDetails" id="ScheduleOfPropertyAndEquipmentDetails">
<link:definition> 00000059 - Disclosure - SCHEDULE OF PROPERTY AND EQUIPMENT (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://isunenergy.com/role/PropertyAndEquipmentDetailsNarrative" id="PropertyAndEquipmentDetailsNarrative">
<link:definition> 00000060 - Disclosure - PROPERTY AND EQUIPMENT (Details Narrative) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://isunenergy.com/role/ScheduleOfSegmentNetRevenueDetails" id="ScheduleOfSegmentNetRevenueDetails">
<link:definition> 00000061 - Disclosure - SCHEDULE OF SEGMENT NET REVENUE (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://isunenergy.com/role/ScheduleOfLeaseExpenseDetails" id="ScheduleOfLeaseExpenseDetails">
<link:definition> 00000062 - Disclosure - SCHEDULE OF LEASE EXPENSE (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://isunenergy.com/role/ScheduleOfEstimatedFutureMinimumLeaseDetails" id="ScheduleOfEstimatedFutureMinimumLeaseDetails">
<link:definition> 00000063 - Disclosure - SCHEDULE OF ESTIMATED FUTURE MINIMUM LEASE (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://isunenergy.com/role/LeasesDetailsNarrative" id="LeasesDetailsNarrative">
<link:definition> 00000064 - Disclosure - LEASES (Details Narrative) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://isunenergy.com/role/SummaryOfLong-termDebtDetails" id="SummaryOfLong-termDebtDetails">
<link:definition> 00000065 - Disclosure - SUMMARY OF LONG-TERM DEBT (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://isunenergy.com/role/SummaryOfLong-termDebtDetailsParenthetical" id="SummaryOfLong-termDebtDetailsParenthetical">
<link:definition> 00000066 - Disclosure - SUMMARY OF LONG-TERM DEBT (Details) (Parenthetical) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://isunenergy.com/role/ScheduleOfMaturitiesOfLong-termDebtDetails" id="ScheduleOfMaturitiesOfLong-termDebtDetails">
<link:definition> 00000067 - Disclosure - SCHEDULE OF MATURITIES OF LONG-TERM DEBT (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://isunenergy.com/role/Long-termDebtDetailsNarrative" id="Long-termDebtDetailsNarrative">
<link:definition> 00000068 - Disclosure - LONG-TERM DEBT (Details Narrative) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://isunenergy.com/role/ScheduleOfWarrantsAcquiredDetails" id="ScheduleOfWarrantsAcquiredDetails">
<link:definition> 00000069 - Disclosure - SCHEDULE OF WARRANTS ACQUIRED (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://isunenergy.com/role/WarrantsDetailsNarrative" id="WarrantsDetailsNarrative">
<link:definition> 00000070 - Disclosure - WARRANTS (Details Narrative) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://isunenergy.com/role/ScheduleOfFairValueMeasurementInputsDetails" id="ScheduleOfFairValueMeasurementInputsDetails">
<link:definition> 00000071 - Disclosure - SCHEDULE OF FAIR VALUE MEASUREMENT INPUTS (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://isunenergy.com/role/ScheduleOfAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetails" id="ScheduleOfAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetails">
<link:definition> 00000072 - Disclosure - SCHEDULE OF ASSETS AND LIABILITIES MEASURED AT FAIR VALUE ON RECURRING BASIS (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://isunenergy.com/role/ScheduleOfRollForwardOfLevel3InstrumentsDetails" id="ScheduleOfRollForwardOfLevel3InstrumentsDetails">
<link:definition> 00000073 - Disclosure - SCHEDULE OF ROLL FORWARD OF LEVEL 3 INSTRUMENTS (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://isunenergy.com/role/FairValueMeasurementsDetailsNarrative" id="FairValueMeasurementsDetailsNarrative">
<link:definition> 00000074 - Disclosure - FAIR VALUE MEASUREMENTS (Details Narrative) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://isunenergy.com/role/ScheduleOfUnionAssessmentsDetails" id="ScheduleOfUnionAssessmentsDetails">
<link:definition> 00000075 - Disclosure - SCHEDULE OF UNION ASSESSMENTS (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://isunenergy.com/role/ScheduleOfMultiemployerPlansDetails" id="ScheduleOfMultiemployerPlansDetails">
<link:definition> 00000076 - Disclosure - SCHEDULE OF MULTIEMPLOYER PLANS (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://isunenergy.com/role/RelatedPartyTransactionsDetailsNarrative" id="RelatedPartyTransactionsDetailsNarrative">
<link:definition> 00000077 - Disclosure - RELATED PARTY TRANSACTIONS (Details Narrative) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://isunenergy.com/role/ScheduleOfComponentsOfIncomeTaxExpenseBenefitDetails" id="ScheduleOfComponentsOfIncomeTaxExpenseBenefitDetails">
<link:definition> 00000078 - Disclosure - SCHEDULE OF COMPONENTS OF INCOME TAX EXPENSE (BENEFIT) (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://isunenergy.com/role/ScheduleOfDeferredTaxAssetsAndLiabilitiesDetails" id="ScheduleOfDeferredTaxAssetsAndLiabilitiesDetails">
<link:definition> 00000079 - Disclosure - SCHEDULE OF DEFERRED TAX ASSETS AND LIABILITIES (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://isunenergy.com/role/ScheduleOfEffectiveIncomeTaxRateReconciliationDetails" id="ScheduleOfEffectiveIncomeTaxRateReconciliationDetails">
<link:definition> 00000080 - Disclosure - SCHEDULE OF EFFECTIVE INCOME TAX RATE RECONCILIATION (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://isunenergy.com/role/IncomeTaxesDetailsNarrative" id="IncomeTaxesDetailsNarrative">
<link:definition> 00000081 - Disclosure - INCOME TAXES (Details Narrative) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://isunenergy.com/role/SummaryOfFinancialInformationDetails" id="SummaryOfFinancialInformationDetails">
<link:definition> 00000082 - Disclosure - SUMMARY OF FINANCIAL INFORMATION (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://isunenergy.com/role/CaptiveInsuranceDetailsNarrative" id="CaptiveInsuranceDetailsNarrative">
<link:definition> 00000083 - Disclosure - CAPTIVE INSURANCE (Details Narrative) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://isunenergy.com/role/ScheduleOfPotentialShareIssuancesExcludedFromComputationOfEarningsLossPerShareDetails" id="ScheduleOfPotentialShareIssuancesExcludedFromComputationOfEarningsLossPerShareDetails">
<link:definition> 00000084 - Disclosure - SCHEDULE OF POTENTIAL SHARE ISSUANCES EXCLUDED FROM COMPUTATION OF EARNINGS (LOSS) PER SHARE (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://isunenergy.com/role/ScheduleOfShareBasedPaymentArrangementOptionActivityDetails" id="ScheduleOfShareBasedPaymentArrangementOptionActivityDetails">
<link:definition> 00000085 - Disclosure - SCHEDULE OF SHARE BASED PAYMENT ARRANGEMENT, OPTION, ACTIVITY (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://isunenergy.com/role/RestrictedStockAndStockOptionsDetailsNarrative" id="RestrictedStockAndStockOptionsDetailsNarrative">
<link:definition> 00000086 - Disclosure - RESTRICTED STOCK AND STOCK OPTIONS (Details Narrative) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://isunenergy.com/role/SeriesConvertiblePreferredStockDetailsNarrative" id="SeriesConvertiblePreferredStockDetailsNarrative">
<link:definition> 00000087 - Disclosure - SERIES A CONVERTIBLE PREFERRED STOCK (Details Narrative) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://isunenergy.com/role/SalesOfCommonStockPursuantToS-3RegistrationStatementDetailsNarrative" id="SalesOfCommonStockPursuantToS-3RegistrationStatementDetailsNarrative">
<link:definition> 00000088 - Disclosure - SALES OF COMMON STOCK PURSUANT TO S-3 REGISTRATION STATEMENT (Details Narrative) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://isunenergy.com/role/ScheduleOfInvestmentDetails" id="ScheduleOfInvestmentDetails">
<link:definition> 00000089 - Disclosure - SCHEDULE OF INVESTMENT (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://isunenergy.com/role/InvestmentsDetailsNarrative" id="InvestmentsDetailsNarrative">
<link:definition> 00000090 - Disclosure - INVESTMENTS (Details Narrative) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://isunenergy.com/role/ScheduleOfFiniteLivedIntangibleAssetsDetails" id="ScheduleOfFiniteLivedIntangibleAssetsDetails">
<link:definition> 00000091 - Disclosure - SCHEDULE OF FINITE LIVED INTANGIBLE ASSETS (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://isunenergy.com/role/ScheduleOfFiniteLivedIntangibleAssetsFutureAmortizationExpenseDetails" id="ScheduleOfFiniteLivedIntangibleAssetsFutureAmortizationExpenseDetails">
<link:definition> 00000092 - Disclosure - SCHEDULE OF FINITE LIVED INTANGIBLE ASSETS, FUTURE AMORTIZATION EXPENSE (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://isunenergy.com/role/IntangiblesDetailsNarrative" id="IntangiblesDetailsNarrative">
<link:definition> 00000093 - Disclosure - INTANGIBLES (Details Narrative) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://isunenergy.com/role/ScheduleOfCorrectingErrorDetails" id="ScheduleOfCorrectingErrorDetails">
<link:definition> 00000094 - Disclosure - SCHEDULE OF CORRECTING ERROR (Details) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
<link:roleType roleURI="http://isunenergy.com/role/RevisionsOfPreviouslyIssuedFinancialStatementsDetailsNarrative" id="RevisionsOfPreviouslyIssuedFinancialStatementsDetailsNarrative">
<link:definition> 00000095 - Disclosure - REVISIONS OF PREVIOUSLY ISSUED FINANCIAL STATEMENTS (Details Narrative) </link:definition>
<link:usedOn> link:presentationLink </link:usedOn>
<link:usedOn> link:calculationLink </link:usedOn>
<link:usedOn> link:definitionLink </link:usedOn>
</link:roleType>
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<element id="ISUN_ContractWithCustomerLiabilityBillingsInExcessOfCosts" name="ContractWithCustomerLiabilityBillingsInExcessOfCosts" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/>
<element id="ISUN_ContractWithCustomersLiability" name="ContractWithCustomersLiability" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/>
<element id="ISUN_CapitalizedContractCostBillings" name="CapitalizedContractCostBillings" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/>
<element id="ISUN_CapitalizedContractCostNetOfBillings" name="CapitalizedContractCostNetOfBillings" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/>
<element id="ISUN_CapitalizedContractCostNet1" name="CapitalizedContractCostNet1" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/>
<element id="ISUN_CostsAndEstimatedEarningsInExcessOfBillings" name="CostsAndEstimatedEarningsInExcessOfBillings" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/>
<element id="ISUN_ContractWithCustomerLiabilityNetCurrent" name="ContractWithCustomerLiabilityNetCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/>
<element id="ISUN_ImpairmentOfInvestment" name="ImpairmentOfInvestment" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/>
<element id="ISUN_SegmentContributionGainLoss" name="SegmentContributionGainLoss" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/>
<element id="ISUN_SegmentContributionLoss" name="SegmentContributionLoss" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/>
<element id="ISUN_DebtInstrumentTermOfFixedInterestRate" name="DebtInstrumentTermOfFixedInterestRate" nillable="true" xbrli:periodType="duration" type="xbrli:durationItemType" substitutionGroup="xbrli:item"/>
<element id="ISUN_DebtInstrumentTermOfVariableInterestRate" name="DebtInstrumentTermOfVariableInterestRate" nillable="true" xbrli:periodType="duration" type="xbrli:durationItemType" substitutionGroup="xbrli:item"/>
<element id="ISUN_LongTermDebtGrossExcludingCurrentMaturities" name="LongTermDebtGrossExcludingCurrentMaturities" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/>
<element id="ISUN_DebtInstrumentFloorInterestRate" name="DebtInstrumentFloorInterestRate" nillable="true" xbrli:periodType="instant" type="dtr-types:percentItemType" substitutionGroup="xbrli:item"/>
<element id="ISUN_DebtInstrumentPeriodicPaymentHalfOfInterest" name="DebtInstrumentPeriodicPaymentHalfOfInterest" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/>
<element id="ISUN_ClassOfWarrantOrRightGranted" name="ClassOfWarrantOrRightGranted" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item"/>
<element id="ISUN_ClassOfWarrantOrRightExercised" name="ClassOfWarrantOrRightExercised" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item"/>
<element id="ISUN_ClassOfWarrantOrRightRedeemed" name="ClassOfWarrantOrRightRedeemed" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item"/>
<element id="ISUN_ImpairmentOfInvestmentPercentage" name="ImpairmentOfInvestmentPercentage" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item"/>
<element id="ISUN_UnionAssessmentsIncurred" name="UnionAssessmentsIncurred" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/>
<element id="ISUN_MultiemployerPlansPensionSignificantEmployerIdentificationNumber" name="MultiemployerPlansPensionSignificantEmployerIdentificationNumber" nillable="true" xbrli:periodType="duration" type="dei:nineDigitItemType" substitutionGroup="xbrli:item"/>
<element id="ISUN_DeferredTaxAssetsAssetImpairments" name="DeferredTaxAssetsAssetImpairments" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/>
<element id="ISUN_DeferredTaxAssetsShareBasedCompensationCost" name="DeferredTaxAssetsShareBasedCompensationCost" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/>
<element id="ISUN_EffectiveIncomeTaxRateReconciliationTaxExemptLoanForgivenessAmount" name="EffectiveIncomeTaxRateReconciliationTaxExemptLoanForgivenessAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/>
<element id="ISUN_EffectiveIncomeTaxRateReconciliationChangeInFairValueOfWarrants" name="EffectiveIncomeTaxRateReconciliationChangeInFairValueOfWarrants" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/>
<element id="ISUN_EffectiveIncomeTaxRateReconciliationNonDeductibleIntangibleAssets" name="EffectiveIncomeTaxRateReconciliationNonDeductibleIntangibleAssets" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/>
<element id="ISUN_CaptiveInsuranceCapitalInvestment" name="CaptiveInsuranceCapitalInvestment" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/>
<element id="ISUN_CaptiveInsuranceCashSecurity" name="CaptiveInsuranceCashSecurity" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/>
<element id="ISUN_CaptiveInsuranceInvestmentIncomeInExcessOfLosses" name="CaptiveInsuranceInvestmentIncomeInExcessOfLosses" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/>
<element id="ISUN_CaptiveInsurancePremiumsPaid" name="CaptiveInsurancePremiumsPaid" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/>
<element id="ISUN_LossLayer" name="LossLayer" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/>
<element id="ISUN_CapitalInvestment" name="CapitalInvestment" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/>
<element id="ISUN_CapitalInvestmentRedeemablePreferenceShares" name="CapitalInvestmentRedeemablePreferenceShares" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/>
<element id="ISUN_CapitalInvestmentCommonShares" name="CapitalInvestmentCommonShares" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/>
<element id="ISUN_OptionToPurchaseCommonStock" name="OptionToPurchaseCommonStock" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item"/>
<element id="ISUN_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptionsShares" name="EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptionsShares" nillable="true" xbrli:periodType="instant" type="xbrli:sharesItemType" substitutionGroup="xbrli:item"/>
<element id="ISUN_ProbabilityPercentage" name="ProbabilityPercentage" nillable="true" xbrli:periodType="instant" type="dtr-types:percentItemType" substitutionGroup="xbrli:item"/>
<element id="ISUN_StockIssuedDuringPeriodValuePerferredStock" name="StockIssuedDuringPeriodValuePerferredStock" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/>
<element id="ISUN_TemporaryEquityStockRedeemedOrCalledDuringPeriodShares" name="TemporaryEquityStockRedeemedOrCalledDuringPeriodShares" nillable="true" xbrli:periodType="instant" type="xbrli:sharesItemType" substitutionGroup="xbrli:item"/>
<element id="ISUN_TemporaryEquityStockRedeemedOrCalledDuringPeriod" name="TemporaryEquityStockRedeemedOrCalledDuringPeriod" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item"/>
<element id="ISUN_LiquidityAndFinancialConditionTextBlock" name="LiquidityAndFinancialConditionTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item"/>
<element id="ISUN_WorkingCapital" name="WorkingCapital" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/>
<element id="ISUN_PartnerCapital" name="PartnerCapital" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/>
<element id="ISUN_CustomerOrders" name="CustomerOrders" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/>
<element id="ISUN_ContractedBacklog" name="ContractedBacklog" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/>
<element id="ISUN_CommercialMember" name="CommercialMember" abstract="true" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/>
<element id="ISUN_CompletionPeriod" name="CompletionPeriod" nillable="true" xbrli:periodType="duration" type="xbrli:durationItemType" substitutionGroup="xbrli:item"/>
<element id="ISUN_IndustrialMember" name="IndustrialMember" abstract="true" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/>
<element id="ISUN_ProjectsUnderDevelopment" name="ProjectsUnderDevelopment" nillable="true" xbrli:periodType="instant" type="dtr-types:powerItemType" substitutionGroup="xbrli:item"/>
<element id="ISUN_EasementLiabilitiesMember" name="EasementLiabilitiesMember" abstract="true" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/>
</schema>

26 Previous Filings that this Filing References

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

12/13/23  Isun, Inc.                        8-K:1,2,3,512/13/23   15:991K                                   M2 Compliance LLC/FA
 9/01/23  Isun, Inc.                        8-K:1,3,9   9/01/23   14:24M                                    M2 Compliance LLC/FA
 4/17/23  Isun, Inc.                        10-K       12/31/22  111:9.7M                                   M2 Compliance LLC/FA
11/08/22  Isun, Inc.                        8-K:1,2,3,811/08/22   18:1.9M                                   M2 Compliance LLC/FA
 4/15/22  Isun, Inc.                        10-K       12/31/21  111:12M                                    Broadridge Fin’l So… Inc
 2/02/22  Isun, Inc.                        8-K:5,9     1/31/22   11:237K                                   Broadridge Fin’l So… Inc
12/30/21  Isun, Inc.                        8-K:3,5,9  12/30/21   11:180K                                   Broadridge Fin’l So… Inc
12/01/21  Isun, Inc.                        8-K:1,8,9  11/24/21   13:813K                                   Broadridge Fin’l So… Inc
11/19/21  Isun, Inc.                        8-K:1,9    11/18/21   13:473K                                   Broadridge Fin’l So… Inc
11/15/21  Isun, Inc.                        10-Q        9/30/21  104:10M                                    Broadridge Fin’l So… Inc
10/05/21  Isun, Inc.                        8-K:1,2,3,8 9/30/21   19:826K                                   Broadridge Fin’l So… Inc
 9/13/21  Isun, Inc.                        8-K:1,8,9   9/08/21   16:1.2M                                   Broadridge Fin’l So… Inc
 6/22/21  Isun, Inc.                        8-K:1,9     6/21/21    2:250K                                   Broadridge Fin’l So… Inc
 4/08/21  Isun, Inc.                        8-K:1,8     4/06/21    3:140K                                   Broadridge Fin’l So… Inc
 3/09/21  Isun, Inc.                        8-K:1,3,7,9 3/09/21    4:69K                                    Broadridge Fin’l So… Inc
 2/26/21  Isun, Inc.                        8-K:3,5,9   2/26/21    3:2.8M                                   M2 Compliance LLC/FA
 1/25/21  Isun, Inc.                        8-K:1,5,8,9 1/25/21    8:646K                                   M2 Compliance LLC/FA
 1/12/21  Isun, Inc.                        8-K:1,8,9   1/08/21    7:299K                                   Broadridge Fin’l So… Inc
12/10/20  Isun, Inc.                        8-K:1,9    12/10/20    2:11M                                    M2 Compliance LLC/FA
12/04/20  Isun, Inc.                        S-3                    5:635K                                   Broadridge Fin’l So… Inc
10/29/20  Isun, Inc.                        S-8        10/29/20    5:596K                                   Broadridge Fin’l So… Inc
 4/28/20  Isun, Inc.                        8-K:1,2,3,9 4/28/20    8:17M                                    M2 Compliance LLC/FA
 4/14/20  Isun, Inc.                        10-K       12/31/19   84:5M                                     M2 Compliance LLC/FA
11/19/19  Isun, Inc.                        10-Q        9/30/19   72:13M                                    M2 Compliance LLC/FA
 3/11/16  Isun, Inc.                        8-K:1,3,5,8 3/02/16   22:1.2M                                   S2 Filings LLC/FA
11/23/15  Isun, Inc.                        S-1¶                  28:3.1M                                   S2 Filings LLC/FA
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Filing Submission 0001493152-24-014892   –   Alternative Formats (Word / Rich Text, HTML, Plain Text, et al.)
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