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APS - CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
CASH FLOWS FROM OPERATING ACTIVITIES |  |  |
Net income | $ 518,781 | $ 500,826 | $ 635,944
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |
Depreciation and amortization including nuclear fuel | 854,136 | 817,814 | 719,141
Deferred fuel and purchased power | (549,877) | (291,992) | (256,871)
Deferred fuel and purchased power amortization | 547,243 | 219,579 | 44,557
Allowance for equity funds used during construction | (53,118) | (45,263) | (41,737)
Deferred income taxes | (24,310) | 43,202 | 117,471
Deferred investment tax credit | 77,065 | (5,893) | (4,802)
Changes in current assets and liabilities: |  |  |
Customer and other receivables | (61,983) | (63,869) | (72,559)
Accrued unbilled revenues | (2,789) | (30,784) | (1,783)
Materials, supplies and fossil fuel | (42,911) | (83,469) | (32,870)
Income tax receivable | 13,754 | (6,572) | (722)
Other current assets | (19,550) | 76,089 | (22,770)
Accounts payable | (75,623) | 90,076 | 20,267
Accrued taxes | 2,393 | (4,205) | 9,094
Other current liabilities | 40,510 | (1,856) | (51,736)
Change in long-term regulatory assets | (53,112) | (12,432) | 17,012
Change in long-term regulatory liabilities | 28,495 | (332,470) | 57,549
Change in other long-term assets | (195,598) | 159,030 | (345,470)
Change in operating lease assets | 90,525 | 105,359 | 116,009
Change in other long-term liabilities | 63,080 | 170,359 | 78,219
Change in operating lease liabilities | (65,779) | (103,671) | (108,365)
Net cash provided by operating activities | 1,207,697 | 1,241,441 | 860,014
CASH FLOWS FROM INVESTING ACTIVITIES |  |  |
Capital expenditures | (1,846,370) | (1,707,490) | (1,473,475)
Contributions in aid of construction | 180,866 | 137,436 | 105,654
Allowance for borrowed funds used during construction | (43,564) | (28,030) | (21,052)
Proceeds from nuclear decommissioning trust sales and other special use funds | 1,679,722 | 1,207,713 | 1,720,966
Investment in nuclear decommissioning trust and other special use funds | (1,681,845) | (1,212,063) | (1,725,480)
Other | (6,458) | (15,612) | 6,458
Net cash used for investing activities | (1,694,249) | (1,618,046) | (1,386,929)
CASH FLOWS FROM FINANCING ACTIVITIES |  |  |
Issuance of long-term debt | 689,349 | 875,537 | 746,999
Short-term borrowings and (repayments) — net | 241,900 | 48,720 | 142,000
Dividends paid on common stock | (386,486) | (378,881) | (369,478)
Noncontrolling interests | (21,255) | (21,255) | (21,255)
Net cash provided by financing activities | 486,675 | 371,468 | 476,916
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS | 123 | (5,137) | (49,999)
CASH AND CASH EQUIVALENTS AT BEGINNING OF YEAR | 4,832 | 9,969 | 59,968
CASH AND CASH EQUIVALENTS AT END OF YEAR | 4,955 | 4,832 | 9,969
Arizona Public Service Company |  |  |
CASH FLOWS FROM OPERATING ACTIVITIES |  |  |
Net income | 564,561 | 542,153 | 649,503
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |
Depreciation and amortization including nuclear fuel | 854,051 | 817,729 | 719,039
Deferred fuel and purchased power | (549,877) | (291,992) | (256,871)
Deferred fuel and purchased power amortization | 547,243 | 219,579 | 44,557
Allowance for equity funds used during construction | (53,118) | (45,263) | (41,737)
Deferred income taxes | (10,314) | (6,817) | 128,852
Deferred investment tax credit | 77,065 | (5,893) | (4,802)
Changes in current assets and liabilities: |  |  |
Customer and other receivables | (62,716) | (60,930) | (72,101)
Accrued unbilled revenues | (2,789) | (30,784) | (1,783)
Materials, supplies and fossil fuel | (42,911) | (83,469) | (32,870)
Income tax receivable | 1,102 | 9,654 | (10,756)
Other current assets | (20,243) | 59,970 | (25,637)
Accounts payable | (70,622) | 79,492 | 23,510
Accrued taxes | 5,542 | 4,734 | 3,042
Other current liabilities | 62,212 | 1,190 | (61,297)
Change in long-term regulatory assets | 53,112 | 12,432 | (17,012)
Change in long-term regulatory liabilities | 28,495 | (332,470) | 57,549
Change in other long-term assets | (188,483) | 170,587 | (330,642)
Change in operating lease assets | 90,234 | 105,058 | 115,850
Change in other long-term liabilities | 58,574 | 168,503 | 87,376
Change in operating lease liabilities | (65,482) | (103,361) | (108,216)
Net cash provided by operating activities | 1,275,636 | 1,230,102 | 865,554
CASH FLOWS FROM INVESTING ACTIVITIES |  |  |
Capital expenditures | (1,825,585) | (1,655,051) | (1,471,795)
Contributions in aid of construction | 180,866 | 137,436 | 105,654
Allowance for borrowed funds used during construction | (39,030) | (26,839) | (21,052)
Proceeds from nuclear decommissioning trust sales and other special use funds | 1,679,722 | 1,207,713 | 1,720,966
Investment in nuclear decommissioning trust and other special use funds | (1,681,845) | (1,212,063) | (1,725,480)
Other | (1,397) | (727) | 273
Net cash used for investing activities | (1,687,269) | (1,549,531) | (1,391,434)
CASH FLOWS FROM FINANCING ACTIVITIES |  |  |
Issuance of long-term debt | 496,025 | 524,852 | 446,999
Short-term borrowings and (repayments) — net | 180,970 | 46,300 | 278,700
Dividends paid on common stock | (393,600) | (385,800) | (376,500)
Equity infusion from Pinnacle West | 150,000 | 150,000 | 150,000
Noncontrolling interests | (21,255) | (21,255) | (21,255)
Net cash provided by financing activities | 412,140 | 314,097 | 477,944
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS | 507 | (5,332) | (47,936)
CASH AND CASH EQUIVALENTS AT BEGINNING OF YEAR | 4,042 | 9,374 | 57,310
CASH AND CASH EQUIVALENTS AT END OF YEAR | $ 4,549 | $ 4,042 | $ 9,374

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