| Balance Sheets | 2025-09-30 | 2025-06-30 | 2025-03-31 | 2024-09-30 |
|---|---|---|---|---|
| Regulatory assets (note 6) | 1,471,310 | 1,357,382 | 1,372,760 | 1,345,777 |
| Operating lease right-of-use assets (note 16) | 3,652,128 | 3,638,906 | 2,373,880 | 1,599,800 |
| Assets for pension and other postretirement benefits (note 7) | 376,338 | 364,229 | 353,910 | 351,546 |
| Other | 83,747 | 88,739 | 73,948 | 57,774 |
| Total deferred debits | 5,583,523 | 5,449,256 | 4,174,498 | 3,354,897 |
| Total assets | 29,892,905 | 29,235,181 | 27,236,478 | 26,309,554 |
| Regulatory liabilities (note 6) | 1,769,900 | 1,912,279 | 1,910,764 | 1,809,563 |
| Liabilities for asset retirements (note 17) | 1,158,979 | 1,123,521 | 1,112,434 | 1,099,223 |
| Liabilities for pension benefits (note 7) | 150,086 | 147,929 | 140,437 | 107,355 |
| Liabilities from risk management activities (note 9) | 0 | 7,144 | 9,368 | 28,915 |
| Customer advances | 661,274 | 580,656 | 569,290 | 601,910 |
| Coal mine reclamation | 157,593 | 155,600 | 153,606 | 187,673 |
| Deferred investment tax credit | 239,470 | 246,189 | 249,525 | 247,456 |
| Unrecognized tax benefits | 87,245 | 45,815 | 45,013 | 44,564 |
| Operating lease liabilities (note 16) | 3,562,895 | 3,550,894 | 2,278,493 | 1,517,058 |
| Other | 232,853 | 237,149 | 247,611 | 232,135 |
| Total deferred credits and other | 10,512,074 | 10,472,997 | 9,161,754 | 8,329,820 |
| Common stock, no par value 300,000,000 and 150,000,000 shares authorized at respective dates, 119,736,525 and 119,143,782 shares issued at respective dates | 3,147,069 | 3,119,404 | 3,109,612 | 2,774,505 |
| Treasury stock at cost 46,968 and 46,968 shares at respective dates | 3,323 | 3,323 | 3,323 | 7,191 |
| Total common stock | 3,143,746 | 3,116,081 | 3,106,289 | 2,767,314 |
| Retained earnings | 4,054,355 | 3,641,148 | 3,662,313 | 3,882,081 |
| Accumulated other comprehensive loss (note 15) | -30,091 | -30,441 | -30,094 | -32,814 |
| Total shareholder equity | 7,168,010 | 6,726,788 | 6,738,508 | 6,616,581 |
| Noncontrolling interests (note 8) | 43,083 | 101,152 | 107,474 | 109,489 |
| Total equity | 7,211,093 | 6,827,940 | 6,845,982 | 6,726,070 |
| Total liabilities and equity | 29,892,905 | 29,235,181 | 27,236,478 | 26,309,554 |
PINNACLE WEST CAPITAL CORP (PNW)
PINNACLE WEST CAPITAL CORP (PNW)