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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands | 6 Months Ended
--- | ---
Jun. 30, 2016 | Jun. 30, 2015
CASH FLOWS FROM OPERATING ACTIVITIES |  |
NET INCOME | $ 135,508 | $ 148,234
Adjustments to reconcile net income to net cash provided by operating activities: |  |
Depreciation and amortization including nuclear fuel | 282,291 | 282,218
Deferred fuel and purchased power | (21,026) | 11,711
Deferred fuel and purchased power amortization | 13,778 | 11,424
Allowance for equity funds used during construction | (20,885) | (18,569)
Deferred income taxes | 65,881 | 65,377
Deferred investment tax credit | (2,083) | (2,218)
Change in derivative instruments fair value | (237) | (225)
Changes in current assets and liabilities: |  |
Customer and other receivables | (19,898) | (17,402)
Accrued unbilled revenues | (101,331) | (84,683)
Materials, supplies and fossil fuel | 1,551 | (18,311)
Income tax receivable | 589 | 3,098
Other current assets | (5,649) | (8,728)
Accounts payable | 47,621 | 36,634
Accrued taxes | 6,567 | 15,199
Other current liabilities | 53,912 | (13,138)
Change in margin and collateral accounts — assets | (34) | (4,552)
Change in margin and collateral accounts — liabilities | 18,010 | 26,853
Change in other long-term assets | (41,101) | (1,616)
Change in other long-term liabilities | 9,011 | (37,012)
Net cash flow provided by operating activities | 422,475 | 394,294
CASH FLOWS FROM INVESTING ACTIVITIES |  |
Capital expenditures | (731,609) | (531,035)
Contributions in aid of construction | 29,127 | 41,010
Allowance for borrowed funds used during construction | (10,528) | (8,538)
Proceeds from nuclear decommissioning trust sales | 290,594 | 225,779
Investment in nuclear decommissioning trust | (291,734) | (234,651)
Other | (1,307) | (2,068)
Net cash flow used for investing activities | (715,457) | (509,503)
CASH FLOWS FROM FINANCING ACTIVITIES |  |
Issuance of long-term debt | 445,933 | 600,000
Repayment of long-term debt | (76,850) | (344,847)
Short-term borrowing and payments — net | 64,140 | 10,100
Dividends paid on common stock | (135,335) | (128,241)
Common stock equity issuance - net of purchases | 10,017 | 12,161
Distributions to noncontrolling interests | (11,372) | (28,012)
Other | 1 | 1
Net cash flow provided by financing activities | 296,534 | 121,162
NET INCREASE IN CASH AND CASH EQUIVALENTS | 3,552 | 5,953
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD | 39,488 | 7,604
CASH AND CASH EQUIVALENTS AT END OF PERIOD | 43,040 | 13,557
Cash paid during the period for: |  |
Income taxes, net of refunds | 2,503 | 1,834
Interest, net of amounts capitalized | 89,109 | 84,008
Significant non-cash investing and financing activities: |  |
Accrued capital expenditures | 55,286 | 38,985
Dividends declared but not yet paid | 69,484 | 65,933
Arizona Public Service Company |  |
CASH FLOWS FROM OPERATING ACTIVITIES |  |
NET INCOME | 144,188 | 154,440
Adjustments to reconcile net income to net cash provided by operating activities: |  |
Depreciation and amortization including nuclear fuel | 282,221 | 282,172
Deferred fuel and purchased power | (21,026) | 11,711
Deferred fuel and purchased power amortization | 13,778 | 11,424
Allowance for equity funds used during construction | (20,885) | (18,569)
Deferred income taxes | 60,131 | 24,442
Deferred investment tax credit | (2,083) | (2,218)
Change in derivative instruments fair value | (237) | (225)
Changes in current assets and liabilities: |  |
Customer and other receivables | (19,809) | (9,250)
Accrued unbilled revenues | (101,331) | (84,683)
Materials, supplies and fossil fuel | 1,551 | (18,311)
Other current assets | (3,749) | (8,193)
Accounts payable | 48,593 | 37,656
Accrued taxes | 17,141 | 68,382
Other current liabilities | 44,711 | (31,408)
Change in margin and collateral accounts — assets | (34) | (4,552)
Change in margin and collateral accounts — liabilities | 18,010 | 26,853
Change in other long-term assets | (38,780) | (3,564)
Change in other long-term liabilities | 3,979 | (30,337)
Net cash flow provided by operating activities | 426,369 | 405,770
CASH FLOWS FROM INVESTING ACTIVITIES |  |
Capital expenditures | (717,729) | (530,850)
Contributions in aid of construction | 29,127 | 41,010
Allowance for borrowed funds used during construction | (10,039) | (8,527)
Proceeds from nuclear decommissioning trust sales | 290,594 | 225,779
Investment in nuclear decommissioning trust | (291,734) | (234,651)
Other | (388) | (614)
Net cash flow used for investing activities | (700,169) | (507,853)
CASH FLOWS FROM FINANCING ACTIVITIES |  |
Issuance of long-term debt | 445,933 | 600,000
Repayment of long-term debt | (76,850) | (344,847)
Short-term borrowing and payments — net | 64,140 | 10,100
Dividends paid on common stock | (138,900) | (131,700)
Distributions to noncontrolling interests | (11,372) | (28,012)
Net cash flow provided by financing activities | 282,951 | 105,541
NET INCREASE IN CASH AND CASH EQUIVALENTS | 9,151 | 3,458
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD | 22,056 | 4,515
CASH AND CASH EQUIVALENTS AT END OF PERIOD | 31,207 | 7,973
Cash paid during the period for: |  |
Income taxes, net of refunds | 8,772 | 184
Interest, net of amounts capitalized | 88,066 | 82,651
Significant non-cash investing and financing activities: |  |
Accrued capital expenditures | 55,286 | 38,985
Dividends declared but not yet paid | $ 69,500 | $ 65,900

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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 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=66902209&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=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 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 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=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 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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- 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=66902209&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 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=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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