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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands | 9 Months Ended
--- | ---
Sep. 30, 2015 | Sep. 30, 2014
CASH FLOWS FROM OPERATING ACTIVITIES |  |
NET INCOME | $ 410,212 | $ 414,161
Adjustments to reconcile net income to net cash provided by operating activities: |  |
Depreciation and amortization including nuclear fuel | 428,121 | 371,722
Deferred fuel and purchased power | (137) | (26,880)
Deferred fuel and purchased power amortization | 19,284 | 31,724
Allowance for equity funds used during construction | (26,214) | (21,979)
Deferred income taxes | 168,071 | 136,777
Deferred investment tax credit | 9,542 | 25,206
Change in derivative instruments fair value | (261) | 300
Changes in current assets and liabilities: |  |
Customer and other receivables | (107,263) | (149,053)
Accrued unbilled revenues | (61,736) | (59,240)
Materials, supplies and fossil fuel | (22,537) | (3,346)
Income tax receivable | 3,098 | 135,517
Other current assets | 1,994 | (4,428)
Accounts payable | (53,247) | (7,171)
Accrued taxes | 110,066 | 118,934
Other current liabilities | 16,952 | 48,407
Change in margin and collateral accounts — assets | (1,291) | (475)
Change in margin and collateral accounts — liabilities | 30,678 | (20,875)
Change in unrecognized tax benefits | (9,276) | 1,744
Change in other long-term assets | 15,042 | (50,005)
Change in other long-term liabilities | (109,725) | (54,122)
Net cash flow provided by operating activities | 821,373 | 886,918
CASH FLOWS FROM INVESTING ACTIVITIES |  |
Capital expenditures | (778,700) | (618,658)
Contributions in aid of construction | 33,982 | 8,537
Allowance for borrowed funds used during construction | (12,056) | (11,039)
Proceeds from nuclear decommissioning trust sales | 330,304 | 269,276
Investment in nuclear decommissioning trust | (343,488) | (282,212)
Other | (2,830) | 339
Net cash flow used for investing activities | (772,788) | (633,757)
CASH FLOWS FROM FINANCING ACTIVITIES |  |
Issuance of long-term debt | 600,000 | 574,126
Repayment of long-term debt | (344,847) | (503,583)
Short-term borrowings and payments — net | (90,400) | (133,975)
Dividends paid on common stock | (192,466) | (187,778)
Common stock equity issuance | 12,543 | 14,860
Distributions to noncontrolling interest | (28,012) | (15,869)
Other | 0 | 3
Net cash flow used for financing activities | (43,182) | (252,216)
NET INCREASE IN CASH AND CASH EQUIVALENTS | 5,403 | 945
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD | 7,604 | 9,526
CASH AND CASH EQUIVALENTS AT END OF PERIOD | 13,007 | 10,471
Cash paid (received) during the period for: |  |
Income taxes, net of refunds | 2,692 | (131,154)
Interest, net of amounts capitalized | 143,116 | 145,285
Significant non-cash investing and financing activities: |  |
Accrued capital expenditures | 36,718 | 24,135
Arizona Public Service Company |  |
CASH FLOWS FROM OPERATING ACTIVITIES |  |
NET INCOME | 420,489 | 427,460
Adjustments to reconcile net income to net cash provided by operating activities: |  |
Depreciation and amortization including nuclear fuel | 428,042 | 371,651
Deferred fuel and purchased power | (137) | (26,880)
Deferred fuel and purchased power amortization | 19,284 | 31,724
Allowance for equity funds used during construction | (26,214) | (21,979)
Deferred income taxes | 72,737 | 77,435
Deferred investment tax credit | 9,542 | 25,206
Change in derivative instruments fair value | (261) | 300
Changes in current assets and liabilities: |  |
Customer and other receivables | (106,236) | (149,725)
Accrued unbilled revenues | (61,736) | (59,240)
Materials, supplies and fossil fuel | (22,537) | (3,346)
Income tax receivable | 0 | 135,179
Other current assets | 2,676 | (4,575)
Accounts payable | (52,919) | (10,055)
Accrued taxes | 215,524 | 178,186
Other current liabilities | 7,759 | 55,127
Change in margin and collateral accounts — assets | (1,291) | (474)
Change in margin and collateral accounts — liabilities | 30,678 | (20,875)
Change in unrecognized tax benefits | (9,276) | 1,744
Change in other long-term assets | 14,244 | (49,635)
Change in other long-term liabilities | (108,410) | (54,940)
Net cash flow provided by operating activities | 831,958 | 902,288
CASH FLOWS FROM INVESTING ACTIVITIES |  |
Capital expenditures | (778,207) | (618,658)
Contributions in aid of construction | 33,982 | 8,537
Allowance for borrowed funds used during construction | (12,019) | (11,039)
Proceeds from nuclear decommissioning trust sales | 330,304 | 269,276
Investment in nuclear decommissioning trust | (343,488) | (282,212)
Other | (840) | 339
Net cash flow used for investing activities | (770,268) | (633,757)
CASH FLOWS FROM FINANCING ACTIVITIES |  |
Issuance of long-term debt | 600,000 | 574,126
Repayment of long-term debt | (344,847) | (503,583)
Short-term borrowings and payments — net | (90,400) | (133,975)
Dividends paid on common stock | (197,600) | (187,800)
Distributions to noncontrolling interest | (28,012) | (15,869)
Net cash flow used for financing activities | (60,859) | (267,101)
NET INCREASE IN CASH AND CASH EQUIVALENTS | 831 | 1,430
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD | 4,515 | 3,725
CASH AND CASH EQUIVALENTS AT END OF PERIOD | 5,346 | 5,155
Cash paid (received) during the period for: |  |
Income taxes, net of refunds | 5,504 | (119,440)
Interest, net of amounts capitalized | 141,216 | 142,364
Significant non-cash investing and financing activities: |  |
Accrued capital expenditures | $ 36,718 | $ 24,135

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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=56944662&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=56944662&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=56944662&loc=d3e3536-108585 + Details
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- Definition The net cash outflow or inflow from other investing activities. This element is used when there is not a more specific and appropriate element in the taxonomy. + 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=56944662&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=56944662&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=56944662&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=56944662&loc=d3e3213-108585 + Details
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- Definition The cash outflow for the purchase of investments that will be held in a decommissioning trust fund. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3213-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 + 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=56944662&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=56944662&loc=d3e3179-108585 + 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=56944662&loc=d3e3179-108585 + Details
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- Definition The cash inflow from the additional capital contribution to the entity. + 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 (a) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3255-108585 + Details
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- Definition The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer. + References Reference 1: 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=56944662&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 net cash inflow or outflow from other financing activities. This element is used when there is not a more specific and appropriate element in the taxonomy. + 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=56944662&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=56944662&loc=d3e3098-108585 + Details
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- Definition The net cash inflow or outflow for borrowing having initial term of repayment within one year or the normal operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 9 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3098-108585 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 component of the allowance for funds used during construction during the period based on an assumed rate of return on equity funds used in financing the construction of regulated assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 980 -SubTopic 835 -Section 25 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6501569&loc=d3e55921-110430 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 980 -SubTopic 835 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6501662&loc=d3e56162-110433 + Details
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- Definition The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer. + 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 (b) -URI http://asc.fasb.org/extlink&oid=56944662&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 net change in the difference between the fair value and the carrying value, or in the comparative fair values, of derivative instruments, including options, swaps, futures, and forward contracts, held at each balance sheet date, that was included in earnings for the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585 + Details
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