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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
CASH FLOWS FROM OPERATING ACTIVITIES |  |  |
Net income | $ 557,813 | $ 530,540 | $ 507,949
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |
Depreciation and amortization including nuclear fuel | 664,140 | 650,955 | 610,629
Deferred fuel and purchased power | (82,481) | (78,277) | (48,405)
Deferred fuel and purchased power amortization | 49,508 | 116,750 | (14,767)
Allowance for equity funds used during construction | (31,431) | (52,319) | (47,011)
Deferred income taxes | (1,479) | 117,355 | 248,164
Deferred investment tax credit | (3,938) | (5,170) | (4,587)
Change in derivative instruments fair value | 0 | 0 | (373)
Stock compensation | 18,376 | 19,547 | 20,502
Changes in current assets and liabilities: |  |  |
Customer and other receivables | (12,789) | 37,530 | (93,797)
Accrued unbilled revenues | 9,005 | (24,736) | (4,485)
Materials, supplies and fossil fuel | (51,826) | (6,103) | (6,683)
Income tax receivable | (21,727) | 0 | 3,751
Other current assets | (3,507) | 33,844 | (10,580)
Accounts payable | 50,641 | (14,602) | (23,769)
Accrued taxes | (9,920) | 6,597 | 9,982
Other current liabilities | (84,651) | 28,174 | 19,154
Change in margin and collateral accounts — assets | (247) | 143 | (300)
Change in margin and collateral accounts — liabilities | (125) | (2,211) | (533)
Change in unrecognized tax benefits | 2,704 | (1,235) | 5,891
Change in long-term regulatory liabilities | 124,221 | (109,284) | 45,764
Change in other long-term assets | (82,895) | 78,604 | (68,480)
Change in other long-term liabilities | (132,666) | (48,958) | (29,980)
Net cash flow provided by operating activities | 956,726 | 1,277,144 | 1,118,036
CASH FLOWS FROM INVESTING ACTIVITIES |  |  |
Capital expenditures | (1,191,447) | (1,178,169) | (1,408,774)
Contributions in aid of construction | 70,693 | 27,716 | 23,708
Allowance for borrowed funds used during construction | (18,528) | (25,180) | (22,112)
Proceeds from nuclear decommissioning trust sales and other special use funds | 719,034 | 653,033 | 542,246
Investment in nuclear decommissioning trust and other special use funds | (722,181) | (672,165) | (544,527)
Other | 11,452 | 1,941 | (19,078)
Net cash flow used for investing activities | (1,130,977) | (1,192,824) | (1,428,537)
CASH FLOWS FROM FINANCING ACTIVITIES |  |  |
Issuance of long-term debt | 1,092,188 | 445,245 | 848,239
Repayment of long-term debt | (600,000) | (182,000) | (125,000)
Short-term borrowings and (repayments) — net | 54,275 | (7,000) | (107,800)
Short-term debt borrowings under revolving credit facility | 49,000 | 45,000 | 58,000
Short-term debt repayments under revolving credit facility | (65,000) | (57,000) | (32,000)
Dividends paid on common stock | (329,643) | (308,892) | (289,793)
Common stock equity issuance and purchases - net | 692 | (5,055) | (13,390)
Distributions to noncontrolling interests | (22,744) | (22,744) | (22,744)
Net cash flow provided by (used for) financing activities | 178,768 | (92,446) | 315,512
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS | 4,517 | (8,126) | 5,011
CASH AND CASH EQUIVALENTS AT BEGINNING OF YEAR | 5,766 | 13,892 | 8,881
CASH AND CASH EQUIVALENTS AT END OF YEAR | 10,283 | 5,766 | 13,892
ARIZONA PUBLIC SERVICE COMPANY |  |  |
CASH FLOWS FROM OPERATING ACTIVITIES |  |  |
Net income | 584,764 | 589,758 | 523,802
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |
Depreciation and amortization including nuclear fuel | 664,055 | 649,295 | 608,935
Deferred fuel and purchased power | (82,481) | (78,277) | (48,405)
Deferred fuel and purchased power amortization | 49,508 | 116,750 | (14,767)
Allowance for equity funds used during construction | (31,431) | (52,319) | (47,011)
Deferred income taxes | 48,367 | 59,927 | 249,465
Deferred investment tax credit | (3,938) | (5,170) | (4,587)
Change in derivative instruments fair value | 0 | 0 | (373)
Changes in current assets and liabilities: |  |  |
Customer and other receivables | (12,075) | 35,406 | (68,040)
Accrued unbilled revenues | 9,005 | (24,736) | (4,485)
Materials, supplies and fossil fuel | (51,826) | (6,206) | (6,503)
Income tax receivable | (7,313) | 0 | 11,174
Other current assets | (1,461) | 31,707 | (6,775)
Accounts payable | 53,258 | (15,608) | (26,561)
Accrued taxes | (40,029) | 19,008 | 26,773
Other current liabilities | (82,138) | 25,070 | 27,912
Change in margin and collateral accounts — assets | (247) | 143 | (300)
Change in margin and collateral accounts — liabilities | (125) | (2,211) | (533)
Change in unrecognized tax benefits | 2,704 | (1,235) | 5,891
Change in long-term regulatory liabilities | 124,221 | (109,284) | 45,764
Change in other long-term assets | (85,725) | 77,952 | (78,540)
Change in other long-term liabilities | (129,682) | (55,169) | (31,106)
Net cash flow provided by operating activities | 1,007,411 | 1,254,801 | 1,161,730
CASH FLOWS FROM INVESTING ACTIVITIES |  |  |
Capital expenditures | (1,191,447) | (1,169,061) | (1,381,930)
Contributions in aid of construction | 70,693 | 27,716 | 23,708
Allowance for borrowed funds used during construction | (18,528) | (25,180) | (22,112)
Proceeds from nuclear decommissioning trust sales and other special use funds | 719,034 | 653,033 | 542,246
Investment in nuclear decommissioning trust and other special use funds | (722,181) | (672,165) | (544,527)
Other | 6,336 | (1,789) | (18,538)
Net cash flow used for investing activities | (1,136,093) | (1,187,446) | (1,401,153)
CASH FLOWS FROM FINANCING ACTIVITIES |  |  |
Issuance of long-term debt | 1,092,188 | 295,245 | 549,478
Repayment of long-term debt | (600,000) | (182,000) | 0
Short-term borrowings and (repayments) — net | 0 | 0 | (135,500)
Short-term debt borrowings under revolving credit facility | 0 | 25,000 | 0
Short-term debt repayments under revolving credit facility | 0 | (25,000) | 0
Dividends paid on common stock | (336,300) | (316,000) | (296,800)
Equity infusion from Pinnacle West | 0 | 150,000 | 150,000
Distributions to noncontrolling interests | (22,744) | (22,744) | (22,744)
Net cash flow provided by (used for) financing activities | 133,144 | (75,499) | 244,434
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS | 4,462 | (8,144) | 5,011
CASH AND CASH EQUIVALENTS AT BEGINNING OF YEAR | 5,707 | 13,851 | 8,840
CASH AND CASH EQUIVALENTS AT END OF YEAR | $ 10,169 | $ 5,707 | $ 13,851

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- Definition Amount of cash (inflow) outflow from investing activities classified as other. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-04(a)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24072-122690 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3213-108585 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3179-108585 + Details
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- Definition The cash outflow for purchases of and capital improvements on property, plant and equipment (capital expenditures), software, and other intangible assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3213-108585 + Details
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- Definition Amount of cash outflow to a noncontrolling interest. Includes, but not limited to, reduction of noncontrolling interest ownership. Excludes dividends paid to the noncontrolling interest. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585 + Details
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