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Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Cash Flows From Operating Activities: |  |  |
Net Earnings | $ 95,419 | $ 131,896 | $ 31,078
Net Earnings | 79,874 | 116,849 | 15,640
Adjustments to reconcile net earnings to net cash flows from operating activities: |  |  |
Depreciation and amortization | 268,194 | 242,033 | 222,861
Deferred income tax expense | 130,528 | 63,805 | 16,451
Net unrealized (gains) losses on commodity derivatives | 2,875 | 1,577 | 5,188
Realized (gains) on available-for-sale securities | (27,161) | (19,517) | (16,060)
Stock based compensation expense | 6,194 | 5,634 | 4,863
Regulatory disallowances and restructuring costs | 27,036 | 15,011 | 167,471
Allowance for equity funds used during construction | (9,516) | (4,949) | (10,430)
Other, net | 2,329 | 3,060 | 3,934
Changes in certain assets and liabilities: |  |  |
Accounts receivable and unbilled revenues | (1,846) | 2,543 | (3,298)
Materials, supplies, and fuel stock | 1,473 | (4,169) | (180)
Other current assets | 32,298 | (2,469) | 29,370
Other assets | (5,486) | (42,864) | 2,369
Accounts payable | 14,468 | 3,159 | (32,269)
Accrued interest and taxes | (327) | 3,345 | 4,957
Other current liabilities | (6,513) | (12,509) | 2,633
Other liabilities | (5,503) | 29,868 | (42,064)
Net cash flows from operating activities | 524,462 | 415,454 | 386,874
Cash Flows From Investing Activities: |  |  |
Additions to utility and non-utility plant | (500,461) | (600,076) | (558,589)
Proceeds from sales of available-for-sale securities | 637,492 | 522,601 | 252,174
Purchases of available-for-sale securities | (650,284) | (538,383) | (262,548)
Return of principal on PVNGS lessor notes | 0 | 8,547 | 21,694
Investments in NMRD | (4,077) | 0 | 0
Disbursements from NMRD | 12,415 | 0 | 0
Investment in Westmoreland Loan | 0 | (122,250) | 0
Principal repayments on Westmoreland Loan | 38,360 | 30,000 | 0
Other, net | 392 | 186 | 2,741
Net cash flows from investing activities | (466,163) | (699,375) | (544,528)
Cash Flows From Financing Activities: |  |  |
Short-term loan |  | 100,000 | 50,000
Repayment of short-term loan | 0 | (150,000) | 0
Revolving credit facilities borrowings (repayments), net | 18,300 | 86,500 | 95,000
Long-term borrowings | 317,000 | 603,500 | 463,605
Repayment of long-term debt | (274,070) | (303,793) | (333,066)
Proceeds from stock option exercise | 1,739 | 7,028 | 5,619
Awards of common stock | (13,929) | (15,451) | (17,720)
Dividends paid | (77,792) | (70,623) | (64,251)
Valencia’s transactions with its owner | (17,742) | (17,006) | (17,049)
Amounts received under transmission interconnection arrangements | 11,879 | 7,171 | 27
Refunds paid under transmission interconnection arrangements | (21,290) | (2,830) | (2,338)
Other, net | (2,942) | (2,104) | (4,396)
Net cash flows from financing activities | (58,847) | 242,392 | 175,431
Change in Cash and Cash Equivalents | (548) | (41,529) | 17,777
Cash and Cash Equivalents at Beginning of Period | 4,522 | 46,051 | 28,274
Cash and Cash Equivalents at End of Period | 3,974 | 4,522 | 46,051
Supplemental Cash Flow Disclosures: |  |  |
Interest paid, net of amounts capitalized | 120,955 | 115,043 | 103,382
Income taxes paid (refunded), net | 625 | (307) | (1,890)
Supplemental schedule of noncash investing and financing activities: |  |  |
(Increase) decrease in accrued plant additions | (25,261) | 18,345 | (19,080)
Contribution of utility plant to NMRD | 24,829 |  |
Public Service Company of New Mexico |  |  |
Cash Flows From Operating Activities: |  |  |
Net Earnings | 87,413 | 91,938 | (324)
Net Earnings | 72,396 | 77,419 | (15,234)
Adjustments to reconcile net earnings to net cash flows from operating activities: |  |  |
Depreciation and amortization | 180,500 | 166,047 | 150,538
Deferred income tax expense | 82,549 | 53,119 | (2,836)
Net unrealized (gains) losses on commodity derivatives | 2,875 | 1,577 | 5,188
Realized (gains) on available-for-sale securities | (27,161) | (19,517) | (16,060)
Regulatory disallowances and restructuring costs | 27,036 | 15,011 | 167,471
Allowance for equity funds used during construction | (8,664) | (4,163) | (10,430)
Other, net | 2,615 | 3,046 | 2,794
Changes in certain assets and liabilities: |  |  |
Accounts receivable and unbilled revenues | (419) | 4,769 | (2,515)
Materials, supplies, and fuel stock | 3,542 | (3,924) | 381
Other current assets | 32,775 | 1,127 | 23,693
Other assets | 15,121 | (23,880) | 4,194
Accounts payable | 9,736 | 5,614 | (31,139)
Accrued interest and taxes | 21,523 | (9,601) | (5,343)
Other current liabilities | (11,099) | (12,136) | (275)
Other liabilities | (9,389) | 20,119 | (33,503)
Net cash flows from operating activities | 408,953 | 289,146 | 251,834
Cash Flows From Investing Activities: |  |  |
Additions to utility and non-utility plant | (309,142) | (445,464) | (404,840)
Proceeds from sales of available-for-sale securities | 637,492 | 522,601 | 252,174
Purchases of available-for-sale securities | (650,284) | (538,383) | (262,548)
Return of principal on PVNGS lessor notes | 0 | 8,547 | 21,694
Other, net | 33 | 171 | 2,935
Net cash flows from investing activities | (321,901) | (452,528) | (390,585)
Cash Flows From Financing Activities: |  |  |
Revolving credit facilities borrowings (repayments), net | (21,200) | 61,000 | 0
Long-term borrowings | 257,000 | 321,000 | 313,605
Repayment of long-term debt | (232,000) | (271,000) | (214,300)
Equity contribution from parent | 0 | 28,142 | 175,000
Dividends paid | (61,223) | (4,670) | (94,968)
Valencia’s transactions with its owner | (17,742) | (17,006) | (17,049)
Amounts received under transmission interconnection arrangements | 11,879 | 7,171 | 27
Refunds paid under transmission interconnection arrangements | (21,290) | (2,830) | (2,338)
Other, net | (1,692) | (1,239) | (3,568)
Net cash flows from financing activities | (86,268) | 120,568 | 156,409
Change in Cash and Cash Equivalents | 784 | (42,814) | 17,658
Cash and Cash Equivalents at Beginning of Period | 324 | 43,138 | 25,480
Cash and Cash Equivalents at End of Period | 1,108 | 324 | 43,138
Supplemental Cash Flow Disclosures: |  |  |
Interest paid, net of amounts capitalized | 77,960 | 82,514 | 69,936
Income taxes paid (refunded), net | (23,391) | (967) | (1,450)
Supplemental schedule of noncash investing and financing activities: |  |  |
(Increase) decrease in accrued plant additions | (11,792) | 22,433 | (17,469)
Texas-New Mexico Power Company |  |  |
Cash Flows From Operating Activities: |  |  |
Net Earnings | 35,559 | 41,672 | 41,963
Adjustments to reconcile net earnings to net cash flows from operating activities: |  |  |
Depreciation and amortization | 64,939 | 62,866 | 57,909
Deferred income tax expense | 27,275 | 12,662 | 20,883
Allowance for equity funds used during construction | (900) | (800) | 0
Allowance for equity funds used during construction and other, net | (1,120) | (772) | 18
Changes in certain assets and liabilities: |  |  |
Accounts receivable and unbilled revenues | (1,427) | (2,226) | (783)
Materials, supplies, and fuel stock | (2,069) | (245) | (561)
Other current assets | (1,253) | (621) | 3,928
Other assets | (20,967) | (19,126) | (2,310)
Accounts payable | 2,419 | (2,040) | (1,782)
Accrued interest and taxes | (15,962) | 12,690 | 4,317
Other current liabilities | (2,236) | 298 | 1,019
Other liabilities | 1,334 | 6,822 | (9,823)
Net cash flows from operating activities | 86,492 | 111,980 | 114,778
Cash Flows From Investing Activities: |  |  |
Additions to utility and non-utility plant | (145,495) | (122,518) | (124,584)
Net cash flows from investing activities | (145,495) | (122,518) | (124,584)
Cash Flows From Financing Activities: |  |  |
Revolving credit facilities borrowings (repayments), net | 0 | (59,000) | 54,000
Short-term borrowings (repayments) - affiliate, net | (4,600) | (7,200) | (10,900)
Long-term borrowings | 60,000 | 60,000 | 0
Equity contribution from parent | 50,000 | 50,000 | 0
Dividends paid | (44,389) | (31,817) | (33,248)
Other, net | (979) | (775) | (46)
Net cash flows from financing activities | 60,032 | 11,208 | 9,806
Change in Cash and Cash Equivalents | 1,029 | 670 | 0
Cash and Cash Equivalents at Beginning of Period | 671 | 1 | 1
Cash and Cash Equivalents at End of Period | 1,700 | 671 | 1
Supplemental Cash Flow Disclosures: |  |  |
Interest paid, net of amounts capitalized | 29,251 | 26,766 | 26,216
Income taxes paid (refunded), net | 21,436 | 660 | 290
Supplemental schedule of noncash investing and financing activities: |  |  |
(Increase) decrease in accrued plant additions | $ (15,737) | $ (1,271) | $ (5)

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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=98514028&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=98514028&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=98514028&loc=d3e3536-108585 + Details
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- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. + 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=98514028&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(22)) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(18)) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(20)) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + 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 -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 The cash outflow to reacquire common stock during 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 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3291-108585 + Details
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- Definition Amount of cash outflow in the form of ordinary dividends provided by the non-wholly owned subsidiary to noncontrolling interests. + 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 Cash outflow in the form of ordinary dividends to common shareholders, preferred shareholders and noncontrolling interests, generally out of earnings. + 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 associated with the purchase of or advances to an equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence. + 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 (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3213-108585 + Details
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- Definition Cash outflow for purchase of trading, available-for-sale securities and held-to-maturity securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=82896770&loc=d3e26853-111562 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (a),(b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3213-108585 + 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 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=98514028&loc=d3e3255-108585 + 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 cash inflow from repayments of the balance excluding interest (principal) on loans receivable and leases held for investment purposes. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3179-108585 + 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 cash inflow associated with the aggregate amount received by the entity through sale or maturity of marketable securities (held-to-maturity or available-for-sale) during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=82896770&loc=d3e26853-111562 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (a),(b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3179-108585 + Details
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- Definition The cash inflow from a 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 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3255-108585 + 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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