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CONSOLIDATED STATEMENTS OF CASH FLOWS $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2016 USD ($) | Dec. 31, 2015 USD ($) | Dec. 31, 2014 USD ($)
CASH FLOWS FROM OPERATING ACTIVITIES |  |  |
Net income | $ 461,527 | $ 456,190 | $ 423,696
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |
Depreciation and amortization including nuclear fuel | 565,011 | 571,664 | 496,487
Deferred fuel and purchased power | (60,303) | 14,997 | (26,927)
Deferred fuel and purchased power amortization | 38,152 | 1,617 | 40,757
Allowance for equity funds used during construction | (42,140) | (35,215) | (30,790)
Deferred income taxes | 206,870 | 236,819 | 159,023
Deferred investment tax credit | 23,082 | 8,473 | 26,246
Change in derivative instruments fair value | (403) | (381) | 339
Stock compensation | 18,883 | 18,756 | 33,059
Change in derivative instruments fair value |  |  |
Customer and other receivables | (2,489) | (22,219) | (52,672)
Accrued unbilled revenues | (11,709) | 4,293 | (3,737)
Materials, supplies and fossil fuel | (1,491) | (23,945) | 3,724
Income tax receivable | (3,162) | 2,509 | 132,419
Other current assets | (23,324) | 3,145 | 4,384
Accounts payable | (66,917) | (34,266) | (353)
Accrued taxes | 447 | (2,013) | 9,615
Other current liabilities | 29,594 | 603 | 17,892
Change in margin and collateral accounts — assets | 673 | (324) | (343)
Change in margin and collateral accounts — liabilities | 17,735 | 22,776 | (24,975)
Change in unrecognized tax benefits | 1,628 | (10,328) | 2,778
Change in long-term regulatory liabilities | 14,682 | (20,535) | 59,618
Change in other long-term assets | (60,163) | 2,426 | (56,561)
Change in other long-term liabilities | (82,793) | (100,715) | (114,052)
Net cash flow provided by operating activities | 1,023,390 | 1,094,327 | 1,099,627
CASH FLOWS FROM INVESTING ACTIVITIES |  |  |
Capital expenditures | (1,275,472) | (1,076,087) | (910,634)
Contributions in aid of construction | 64,296 | 46,546 | 20,325
Allowance for borrowed funds used during construction | (19,970) | (16,259) | (15,457)
Proceeds from nuclear decommissioning trust sales | 633,410 | 478,813 | 356,195
Investment in nuclear decommissioning trust | (635,691) | (496,062) | (373,444)
Other | (18,651) | (3,184) | 347
Net cash flow used for investing activities | (1,252,078) | (1,066,233) | (922,668)
CASH FLOWS FROM FINANCING ACTIVITIES |  |  |
Issuance of long-term debt | 693,151 | 842,415 | 731,126
Repayment of long-term debt | (370,430) | (415,570) | (652,578)
Short-term borrowings and payments — net | 137,200 | (147,400) | (5,725)
Short-term debt borrowings under revolving credit facility | 40,000 | 0 | 0
Dividends paid on common stock | (274,229) | (260,027) | (246,671)
Common stock equity issuance and purchases - net | (4,867) | 19,373 | 15,288
Distributions to noncontrolling interests | (22,744) | (35,002) | (20,482)
Other | 0 | 1 | 161
Net cash flow provided by (used for) financing activities | 198,081 | 3,790 | (178,881)
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS | (30,607) | 31,884 | (1,922)
CASH AND CASH EQUIVALENTS AT BEGINNING OF YEAR | 39,488 | 7,604 | 9,526
CASH AND CASH EQUIVALENTS AT END OF YEAR | 8,881 | 39,488 | 7,604
Supplemental disclosure of cash flow information: |  |  |
Income taxes, net of refunds | 9,956 | 6,550 | (102,154)
Interest, net of amounts capitalized | 184,462 | 170,209 | 177,074
Significant non-cash investing and financing activities: |  |  |
Accrued capital expenditures | 114,855 | 83,798 | 44,712
Dividends declared but not paid | 72,926 | 69,363 | 65,790
ARIZONA PUBLIC SERVICE COMPANY |  |  |
CASH FLOWS FROM OPERATING ACTIVITIES |  |  |
Net income | 481,634 | 469,207 | 447,320
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |
Depreciation and amortization including nuclear fuel | 564,091 | 571,540 | 496,393
Deferred fuel and purchased power | (60,303) | 14,997 | (26,927)
Deferred fuel and purchased power amortization | 38,152 | 1,617 | 40,757
Allowance for equity funds used during construction | (42,140) | (35,215) | (30,790)
Deferred income taxes | 221,167 | 223,069 | 155,401
Deferred investment tax credit | 23,082 | 8,473 | 26,246
Change in derivative instruments fair value | (403) | (381) | 339
Change in derivative instruments fair value |  |  |
Customer and other receivables | (1,601) | (21,040) | (52,466)
Accrued unbilled revenues | (11,709) | 4,293 | (3,737)
Materials, supplies and fossil fuel | (1,454) | (23,945) | 3,724
Income tax receivable | (14,567) | 0 | 135,179
Other current assets | (21,640) | 4,498 | 3,766
Accounts payable | (67,543) | (34,891) | (2,355)
Accrued taxes | (13,912) | 13,378 | 8,650
Other current liabilities | 5,097 | (3,718) | 33,970
Change in margin and collateral accounts — assets | 673 | (324) | (343)
Change in margin and collateral accounts — liabilities | 17,735 | 22,776 | (24,975)
Change in unrecognized tax benefits | 1,628 | (10,328) | 2,778
Change in long-term regulatory liabilities | 14,682 | (20,535) | 59,618
Change in other long-term assets | (45,866) | (813) | (62,739)
Change in other long-term liabilities | (76,855) | (82,628) | (85,642)
Net cash flow provided by operating activities | 1,009,948 | 1,100,030 | 1,124,167
CASH FLOWS FROM INVESTING ACTIVITIES |  |  |
Capital expenditures | (1,248,010) | (1,072,053) | (910,084)
Contributions in aid of construction | 64,296 | 46,546 | 20,325
Allowance for borrowed funds used during construction | (19,481) | (16,183) | (15,457)
Proceeds from nuclear decommissioning trust sales | 633,410 | 478,813 | 356,195
Investment in nuclear decommissioning trust | (635,691) | (496,062) | (373,444)
Other | (13,865) | (1,093) | 347
Net cash flow used for investing activities | (1,219,341) | (1,060,032) | (922,118)
CASH FLOWS FROM FINANCING ACTIVITIES |  |  |
Issuance of long-term debt | 693,151 | 842,415 | 606,126
Repayment of long-term debt | (370,430) | (415,570) | (527,578)
Short-term borrowings and payments — net | 135,500 | (147,400) | (5,725)
Dividends paid on common stock | (281,300) | (266,900) | (253,600)
Equity infusion from Pinnacle West | 42,000 | 0 | 0
Distributions to noncontrolling interests | (22,744) | (35,002) | (20,482)
Net cash flow provided by (used for) financing activities | 196,177 | (22,457) | (201,259)
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS | (13,216) | 17,541 | 790
CASH AND CASH EQUIVALENTS AT BEGINNING OF YEAR | 22,056 | 4,515 | 3,725
CASH AND CASH EQUIVALENTS AT END OF YEAR | 8,840 | 22,056 | 4,515
Supplemental disclosure of cash flow information: |  |  |
Income taxes, net of refunds | 26,864 | 14,831 | (86,054)
Interest, net of amounts capitalized | 181,809 | 167,670 | 173,436
Significant non-cash investing and financing activities: |  |  |
Accrued capital expenditures | 114,874 | 83,798 | 44,712
Dividends declared but not paid | $ 72,900 | $ 69,400 | $ 65,800

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- Definition The amount of cash paid for interest during the period net of cash paid for interest that is capitalized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4297-108586 + Details
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- Definition The amount deducted from an entities' taxes, reflecting a percentage of an amount invested in certain assets spread over the useful life of those assets; includes deferred investment tax credits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585 + Details
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- Definition Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3521-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 26 -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3574-108585 + Details
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- Definition Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3521-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 26 -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3574-108585 + Details
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- Definition Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3521-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3536-108585 + Details
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- Definition Amount of cash (inflow) outflow from investing activities classified as other. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3098-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3095-108585 + Details
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- Definition Amount of cash outflow in the form of ordinary dividends to common shareholders of the parent entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3291-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + 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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=66902209&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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3291-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
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- Definition The cash inflow from developers, builders, governmental agencies and municipalities that provide the entity with cash to extend its construction services to their properties. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3179-108585 + Details
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- Definition The cash inflow from parent as a source of financing that is recorded as additional paid in capital. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3255-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
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- Definition The cash inflow from the sale of assets held in a decommissioning trust fund. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3179-108585 + Details
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- Definition Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3255-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(f)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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- Definition Amount of cash inflow (outflow) from financing activities classified as other. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3095-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3098-108585 + Details
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