Annual Report — Form 10-K
Filing Table of Contents
Document/Exhibit Description Pages Size
1: 10-K Annual Report HTML 3.25M
2: EX-4.9 Instrument Defining the Rights of Security Holders HTML 63K
3: EX-10.4.4 Material Contract HTML 51K
4: EX-10.4.5A Material Contract HTML 47K
5: EX-10.4.5B Material Contract HTML 45K
6: EX-10.4.6 Material Contract HTML 58K
7: EX-10.4.7 Material Contract HTML 52K
8: EX-10.4.8 Material Contract HTML 51K
9: EX-10.6.4 Material Contract HTML 40K
10: EX-10.6.5K Material Contract HTML 77K
11: EX-10.6.5L Material Contract HTML 77K
12: EX-21.1 Subsidiaries List HTML 37K
13: EX-23.1 Consent of Expert or Counsel HTML 37K
14: EX-23.2 Consent of Expert or Counsel HTML 37K
15: EX-31.1 Certification -- §302 - SOA'02 HTML 43K
16: EX-31.2 Certification -- §302 - SOA'02 HTML 43K
17: EX-31.3 Certification -- §302 - SOA'02 HTML 43K
18: EX-31.4 Certification -- §302 - SOA'02 HTML 43K
19: EX-32.1 Certification -- §906 - SOA'02 HTML 41K
20: EX-32.2 Certification -- §906 - SOA'02 HTML 41K
27: R1 Cover Page HTML 115K
28: R2 Consolidated Statements of Income HTML 136K
29: R3 Consolidated Statements of Comprehensive Income HTML 74K
30: R4 Consolidated Statements of Comprehensive Income HTML 46K
(Parenthetical)
31: R5 Consolidated Balance Sheets HTML 254K
32: R6 Consolidated Balance Sheets (Parenthetical) HTML 56K
33: R7 Consolidated Statements of Cash Flows HTML 165K
34: R8 Consolidated Statements of Changes in Equity HTML 129K
35: R9 Consolidated Statements of Changes in Equity HTML 39K
(Parenthetical)
36: R10 Summary of Significant Accounting Policies HTML 123K
37: R11 Revenue HTML 71K
38: R12 New Accounting Standards HTML 49K
39: R13 Regulatory Matters HTML 258K
40: R14 Income Taxes HTML 225K
41: R15 Lines of Credit and Short-Term Borrowings HTML 58K
42: R16 Long-Term Debt and Liquidity Matters HTML 105K
43: R17 Retirement Plans and Other Postretirement Benefits HTML 311K
44: R18 Leases HTML 87K
45: R19 Jointly-Owned Facilities HTML 87K
46: R20 Commitments and Contingencies HTML 99K
47: R21 Asset Retirement Obligations HTML 50K
48: R22 Fair Value Measurements HTML 159K
49: R23 Earnings Per Share HTML 54K
50: R24 Stock-Based Compensation HTML 75K
51: R25 Derivative Accounting HTML 121K
52: R26 Other Income and Other Expense HTML 80K
53: R27 Palo Verde Sale Leaseback Variable Interest HTML 48K
Entities
54: R28 Investments in Nuclear Decommissioning Trusts and HTML 108K
Other Special Use Funds
55: R29 Changes in Accumulated Other Comprehensive Loss HTML 77K
56: R30 Schedule I - Condensed Financial Information of HTML 148K
Registrant
57: R31 Summary of Significant Accounting Policies HTML 141K
(Policies)
58: R32 Summary of Significant Accounting Policies HTML 80K
(Tables)
59: R33 Revenue (Tables) HTML 64K
60: R34 Regulatory Matters (Tables) HTML 162K
61: R35 Income Taxes (Tables) HTML 224K
62: R36 Lines of Credit and Short-Term Borrowings (Tables) HTML 54K
63: R37 Long-Term Debt and Liquidity Matters (Tables) HTML 103K
64: R38 Retirement Plans and Other Postretirement Benefits HTML 304K
(Tables)
65: R39 Leases (Tables) HTML 85K
66: R40 Jointly-Owned Facilities (Tables) HTML 88K
67: R41 Commitments and Contingencies (Tables) HTML 55K
68: R42 Asset Retirement Obligations (Tables) HTML 48K
69: R43 Fair Value Measurements (Tables) HTML 139K
70: R44 Earnings Per Share (Tables) HTML 54K
71: R45 Stock-Based Compensation (Tables) HTML 92K
72: R46 Derivative Accounting (Tables) HTML 168K
73: R47 Other Income and Other Expense (Tables) HTML 79K
74: R48 Palo Verde Sale Leaseback Variable Interest HTML 47K
Entities (Tables)
75: R49 Investments in Nuclear Decommissioning Trusts and HTML 107K
Other Special Use Funds (Tables)
76: R50 Changes in Accumulated Other Comprehensive Loss HTML 76K
(Tables)
77: R51 Summary of Significant Accounting Policies - HTML 121K
Additional Information (Details)
78: R52 Summary of Significant Accounting Policies - HTML 66K
Summary of Property, Plant and Equipment (Details)
79: R53 Summary of Significant Accounting Policies - HTML 62K
Supplemental Cash Flow Information (Details)
80: R54 Revenue - Sources of Revenue (Details) HTML 55K
81: R55 Revenue - Additional Information (Details) HTML 52K
82: R56 Revenue - Allowance for Doubtful Accounts HTML 45K
(Details)
83: R57 Regulatory Matters - Regulatory Matters - COVID-19 HTML 79K
(Details)
84: R58 Regulatory Matters - Retail Rate Case Filing HTML 136K
(Details)
85: R59 Regulatory Matters - Capital Structure and Costs HTML 52K
of Capital (Details)
86: R60 Regulatory Matters - Additional Information HTML 285K
(Details)
87: R61 Regulatory Matters - Deferred Fuel and Purchased HTML 50K
Power Regulatory Asset (Details)
88: R62 Regulatory Matters - Four Corners, Cholla and HTML 51K
Navajo Plant (Details)
89: R63 Regulatory Matters - Schedule of Regulatory Assets HTML 96K
(Details)
90: R64 Regulatory Matters - Schedule of Regulatory HTML 96K
Liabilities (Details)
91: R65 Income Taxes - Additional Information (Details) HTML 62K
92: R66 Income Taxes - Reconciliation of Unrecognized Tax HTML 59K
Benefits (Details)
93: R67 Income Taxes - Summary of Unrecognized Tax HTML 47K
Benefits (Details)
94: R68 Income Taxes - Components of Income Tax Expense HTML 64K
(Details)
95: R69 Income Taxes - Effective Tax Rate Reconciliation HTML 71K
(Details)
96: R70 Income Taxes - Components of Deferred Income Tax HTML 109K
Liability (Details)
97: R71 Lines of Credit and Short-Term Borrowings - HTML 57K
Schedule of Credit Facilities (Details)
98: R72 Lines of Credit and Short-Term Borrowings - HTML 104K
Additional Information (Details)
99: R73 Long-Term Debt and Liquidity Matters - Components HTML 100K
of Long-Term Debt (Details)
100: R74 Long-Term Debt and Liquidity Matters - Additional HTML 116K
Information (Details)
101: R75 Long-Term Debt and Liquidity Matters - Future HTML 61K
Principal Payments (Details)
102: R76 Long-Term Debt and Liquidity Matters - Fair Value HTML 46K
of Long-Term Debt (Details)
103: R77 Retirement Plans and Other Postretirement Benefits HTML 84K
- Additional Information (Details)
104: R78 Retirement Plans and Other Postretirement Benefits HTML 66K
- Net Periodic Benefit Costs and Portion including
Portion Charged to Expense (Details)
105: R79 Retirement Plans and Other Postretirement Benefits HTML 78K
- Changes Benefit Obligations and Funded Status
(Details)
106: R80 Retirement Plans and Other Postretirement Benefits HTML 49K
- Projected Benefit Obligation for Pension Plans
(Details)
107: R81 Retirement Plans and Other Postretirement Benefits HTML 56K
- Amounts Recognized on the Consolidated Balance
Sheets (Details)
108: R82 Retirement Plans and Other Postretirement Benefits HTML 55K
- Impact to Accumulated Other Comprehensive Loss
(Details)
109: R83 Retirement Plans and Other Postretirement Benefits HTML 80K
- Weighted-Average Assumptions for Pensions and
Other Benefits (Details)
110: R84 Retirement Plans and Other Postretirement Benefits HTML 61K
- Asset Allocation (Details)
111: R85 Retirement Plans and Other Postretirement Benefits HTML 118K
- Fair Value of Pinnacle West's Pension Plan
(Details)
112: R86 Retirement Plans and Other Postretirement Benefits HTML 55K
- Estimated Future Benefit Payments (Details)
113: R87 Leases - Additional information (Details) HTML 61K
114: R88 Leases - Lease costs (Details) HTML 53K
115: R89 Leases - Maturity of our operating lease HTML 66K
liabilities (Details)
116: R90 Leases - Other additional information related to HTML 47K
operating lease liabilities (Details)
117: R91 Jointly-Owned Facilities (Details) HTML 102K
118: R92 Commitments and Contingencies - Palo Verde Nuclear HTML 119K
Generating Station and Contractual Obligations
(Details)
119: R93 Commitments and Contingencies - Superfund-Related HTML 48K
Matters and Southwest Power Outage (Details)
120: R94 Commitments and Contingencies - Environmental HTML 105K
Matters and Financial Assurances (Details)
121: R95 Asset Retirement Obligations (Details) HTML 63K
122: R96 Fair Value Measurements - Fair Value of Assets and HTML 122K
Liabilities (Details)
123: R97 Fair Value Measurements - Additional Information HTML 48K
(Details)
124: R98 Earnings Per Share (Details) HTML 66K
125: R99 Stock-Based Compensation - Additional Information HTML 101K
(Details)
126: R100 Stock-Based Compensation - Summary of Restricted HTML 49K
Stock, Stock Grants, Stock Units and Performance
Shares (Details)
127: R101 Stock-Based Compensation - Status of Nonvested HTML 78K
Restricted Stock, Stock Grants, Stock Units and
Performance Shares (Details)
128: R102 Derivative Accounting - Additional Information HTML 56K
(Details)
129: R103 Derivative Accounting - Outstanding Gross Notional HTML 42K
Amounts Outstanding (Details)
130: R104 Derivative Accounting - Gains and Losses from HTML 55K
Derivative Instruments (Details)
131: R105 Derivative Accounting - Derivative Instruments in HTML 97K
the Balance Sheet (Details)
132: R106 Derivative Accounting - Credit Risk and Related HTML 45K
Contingent Features (Details)
133: R107 Other Income and Other Expense (Details) HTML 79K
134: R108 Palo Verde Sale Leaseback Variable Interest HTML 70K
Entities (Details)
135: R109 Palo Verde Sale Leaseback Variable Interest HTML 51K
Entities - Schedule of VIEs (Details)
136: R110 Investments in Nuclear Decommissioning Trusts and HTML 133K
Other Special Use Funds (Details)
137: R111 Changes in Accumulated Other Comprehensive Loss HTML 73K
(Details)
138: R112 SCHEDULE I - CONDENSED FINANCIAL INFORMATION OF HTML 77K
REGISTRANT - Comprehensive Income (Details)
139: R113 SCHEDULE I - CONDENSED FINANCIAL INFORMATION OF HTML 154K
REGISTRANT - Balance Sheets (Details)
140: R114 SCHEDULE I - CONDENSED FINANCIAL INFORMATION OF HTML 117K
REGISTRANT - Cash Flows (Details)
142: XML IDEA XML File -- Filing Summary XML 254K
26: XML XBRL Instance -- pnw-20201231_htm XML 7.07M
141: EXCEL IDEA Workbook of Financial Reports XLSX 234K
22: EX-101.CAL XBRL Calculations -- pnw-20201231_cal XML 507K
23: EX-101.DEF XBRL Definitions -- pnw-20201231_def XML 2.30M
24: EX-101.LAB XBRL Labels -- pnw-20201231_lab XML 3.87M
25: EX-101.PRE XBRL Presentations -- pnw-20201231_pre XML 2.51M
21: EX-101.SCH XBRL Schema -- pnw-20201231 XSD 465K
143: JSON XBRL Instance as JSON Data -- MetaLinks 763± 1.19M
144: ZIP XBRL Zipped Folder -- 0000764622-21-000013-xbrl Zip 1.24M
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