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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands | 9 Months Ended
--- | ---
Sep. 30, 2017 | Sep. 30, 2016
CASH FLOWS FROM OPERATING ACTIVITIES |  |
NET INCOME | $ 481,447 | $ 403,408
Adjustments to reconcile net income to net cash provided by operating activities: |  |
Depreciation and amortization including nuclear fuel | 445,707 | 422,851
Deferred fuel and purchased power | (43,348) | (46,185)
Deferred fuel and purchased power amortization | (18,153) | 28,366
Allowance for equity funds used during construction | (32,666) | (31,079)
Deferred income taxes | 211,249 | 194,915
Deferred investment tax credit | (4,293) | (6,342)
Change in derivative instruments fair value | (254) | (278)
Stock compensation | 16,553 | 27,588
Changes in current assets and liabilities: |  |
Customer and other receivables | (206,920) | (77,908)
Accrued unbilled revenues | (44,027) | (54,291)
Materials, supplies and fossil fuel | (1,881) | (4,438)
Income tax receivable | 3,751 | 589
Other current assets | (22,043) | (11,665)
Accounts payable | (24,258) | (57,237)
Accrued taxes | 89,827 | 80,925
Other current liabilities | 3,936 | (12,383)
Change in margin and collateral accounts — assets | (1,826) | 517
Change in margin and collateral accounts — liabilities | (1,625) | 18,085
Change in unrecognized tax benefits | 5,891 | 1,628
Change in other long-term assets | (59,963) | (59,589)
Change in other long-term liabilities | (25,180) | (52,427)
Net cash flow provided by operating activities | 771,924 | 765,050
CASH FLOWS FROM INVESTING ACTIVITIES |  |
Capital expenditures | (1,027,753) | (1,014,910)
Contributions in aid of construction | 24,924 | 39,355
Allowance for borrowed funds used during construction | (15,378) | (14,848)
Proceeds from nuclear decommissioning trust sales | 351,860 | 447,419
Investment in nuclear decommissioning trust | (353,001) | (449,129)
Other | (20,291) | (18,353)
Net cash flow used for investing activities | (1,039,639) | (1,010,466)
CASH FLOWS FROM FINANCING ACTIVITIES |  |
Issuance of long-term debt | 549,478 | 693,151
Repayment of long-term debt | 0 | (353,560)
Short-term borrowing and payments — net | (68,800) | 83,300
Short-term borrowings under revolving credit facility | 23,000 | 34,000
Dividends paid on common stock | (213,927) | (203,115)
Common stock equity issuance - net of purchases | (8,870) | 11,790
Distributions to noncontrolling interests | (11,372) | (11,372)
Other | (1) | 1
Net cash flow provided by financing activities | 269,508 | 254,195
NET INCREASE IN CASH AND CASH EQUIVALENTS | 1,793 | 8,779
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD | 8,881 | 39,488
CASH AND CASH EQUIVALENTS AT END OF PERIOD | 10,674 | 48,267
Cash paid during the period for: |  |
Income taxes, net of refunds | 2,185 | 2,562
Interest, net of amounts capitalized | 147,149 | 146,691
Significant non-cash investing and financing activities: |  |
Accrued capital expenditures | 93,031 | 91,315
Arizona Public Service Company |  |
CASH FLOWS FROM OPERATING ACTIVITIES |  |
NET INCOME | 491,143 | 418,281
Adjustments to reconcile net income to net cash provided by operating activities: |  |
Depreciation and amortization including nuclear fuel | 444,439 | 422,365
Deferred fuel and purchased power | (43,348) | (46,185)
Deferred fuel and purchased power amortization | (18,153) | 28,366
Allowance for equity funds used during construction | (32,666) | (31,079)
Deferred income taxes | 202,256 | 171,000
Deferred investment tax credit | (4,293) | (6,342)
Change in derivative instruments fair value | (254) | (278)
Changes in current assets and liabilities: |  |
Customer and other receivables | (185,130) | (75,961)
Accrued unbilled revenues | (44,027) | (54,291)
Materials, supplies and fossil fuel | (1,755) | (4,368)
Income tax receivable | 11,174 | 0
Other current assets | (19,100) | (9,857)
Accounts payable | (29,784) | (56,349)
Accrued taxes | 102,638 | 107,955
Other current liabilities | 11,747 | (30,973)
Change in margin and collateral accounts — assets | (1,826) | 517
Change in margin and collateral accounts — liabilities | (1,625) | 18,085
Change in unrecognized tax benefits | 5,891 | 1,628
Change in other long-term assets | (56,375) | (54,051)
Change in other long-term liabilities | (26,049) | (32,146)
Net cash flow provided by operating activities | 804,903 | 766,317
CASH FLOWS FROM INVESTING ACTIVITIES |  |
Capital expenditures | (1,008,723) | (992,735)
Contributions in aid of construction | 24,924 | 39,355
Allowance for borrowed funds used during construction | (15,378) | (14,359)
Proceeds from nuclear decommissioning trust sales | 351,860 | 447,419
Investment in nuclear decommissioning trust | (353,001) | (449,129)
Other | (18,098) | (14,016)
Net cash flow used for investing activities | (1,018,416) | (983,465)
CASH FLOWS FROM FINANCING ACTIVITIES |  |
Issuance of long-term debt | 549,478 | 693,151
Repayment of long-term debt | 0 | (353,560)
Short-term borrowing and payments — net | (103,700) | 83,300
Dividends paid on common stock | (219,100) | (208,400)
Distributions to noncontrolling interests | (11,372) | (11,372)
Net cash flow provided by financing activities | 215,306 | 203,119
NET INCREASE IN CASH AND CASH EQUIVALENTS | 1,793 | (14,029)
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD | 8,840 | 22,056
CASH AND CASH EQUIVALENTS AT END OF PERIOD | 10,633 | 8,027
Cash paid during the period for: |  |
Income taxes, net of refunds | 132 | 10,533
Interest, net of amounts capitalized | 142,779 | 144,984
Significant non-cash investing and financing activities: |  |
Accrued capital expenditures | $ 94,769 | $ 90,069

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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 -Topic 230 -SubTopic 10 -Section 45 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3098-108585 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=98514028&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=98514028&loc=d3e3291-108585 + 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://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=98514028&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=98514028&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=98514028&loc=d3e3291-108585 + 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 -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=98514028&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 -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3179-108585 + 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=98514028&loc=d3e3255-108585 + 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 -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3255-108585 Reference 2: 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 -Topic 230 -SubTopic 10 -Section 45 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3095-108585 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=98514028&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=98514028&loc=d3e3098-108585 + Details
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- Definition The net cash inflow or outflow resulting from the entity's share transaction. + 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=98514028&loc=d3e3291-108585 + Details
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- Definition The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4K -URI http://asc.fasb.org/extlink&oid=84234705&loc=SL4591552-111686 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 19 -URI http://asc.fasb.org/extlink&oid=96868048&loc=SL4569616-111683 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=84161450&loc=SL4573702-111684 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4J -URI http://asc.fasb.org/extlink&oid=84234705&loc=SL4591551-111686 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=84161450&loc=SL4573702-111684 + 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=98514028&loc=d3e3291-108585 + Details
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- Definition The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method. + 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 (a) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 + 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=98514028&loc=d3e3602-108585 + Details
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- Definition Amount of increase (decrease) in unrecognized tax benefits attributable to uncertain tax positions taken in tax returns. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=84230637&loc=SL6600010-109319 + Details
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