Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Cash Flows From Operating Activities:
Net Earnings	$ 146,004	$ 103,473
Net earnings	134,156	92,040
Adjustments to reconcile net earnings to net cash flows from operating activities:
Depreciation and amortization	200,286	178,137
Deferred income tax expense	75,224	50,302
Net unrealized (gains) losses on commodity derivatives	968	2,179
Realized (gains) on available-for-sale securities	(17,730)	(15,380)
Stock based compensation expense	5,322	4,401
Regulatory disallowances and restructuring costs	0	17,225
Allowance for equity funds used during construction	(6,217)	(3,058)
Other, net	1,409	2,104
Changes in certain assets and liabilities:
Accounts receivable and unbilled revenues	(21,077)	(1,145)
Materials, supplies, and fuel stock	(203)	(4,629)
Other current assets	22,761	(11,819)
Other assets	(5,981)	1,916
Accounts payable	3,729	6,192
Accrued interest and taxes	20,722	20,816
Other current liabilities	(1,588)	(19,431)
Other liabilities	(6,292)	(10,297)
Net cash flows from operating activities	417,337	320,986
Cash Flows From Investing Activities:
Additions to utility and non-utility plant	(353,423)	(502,530)
Proceeds from sales of available-for-sale securities	456,577	280,989
Purchases of available-for-sale securities	(461,126)	(284,706)
Return of principal on PVNGS lessor notes	0	8,547
Investment in Westmoreland Loan	0	(122,250)
Principal repayments on Westmoreland Loan	28,770	15,000
Other, net	160	179
Net cash flows from investing activities	(329,042)	(604,771)
Cash Flows From Financing Activities:
Revolving credit facilities borrowings (repayments), net	(20,600)	105,300
Long-term borrowings	317,000	503,500
Repayment of long-term debt	(263,323)	(288,157)
Proceeds from stock option exercise	1,739	6,668
Awards of common stock	(13,816)	(14,920)
Dividends paid	(58,344)	(52,967)
Valencia’s transactions with its owner	(12,963)	(12,327)
Amounts received under transmission interconnection arrangements	11,879	3,262
Refunds paid under transmission interconnection arrangements	(9,368)	(2,246)
Other, net	(1,872)	(2,698)
Net cash flows from financing activities	(49,668)	245,415
Change in Cash and Cash Equivalents	38,627	(38,370)
Cash and Cash Equivalents at Beginning of Period	4,522	46,051
Cash and Cash Equivalents at End of Period	43,149	7,681
Supplemental Cash Flow Disclosures:
Interest paid, net of amounts capitalized	75,356	75,537
Income taxes paid (refunded), net	625	850
Supplemental schedule of noncash investing activities:
(Increase) decrease in accrued plant additions	(4,499)	30,208
PNM
Cash Flows From Operating Activities:
Net Earnings	115,869	72,342
Net earnings	104,417	61,305
Adjustments to reconcile net earnings to net cash flows from operating activities:
Depreciation and amortization	134,541	122,344
Deferred income tax expense	59,866	33,175
Net unrealized (gains) losses on commodity derivatives	968	2,179
Realized (gains) on available-for-sale securities	(17,730)	(15,380)
Regulatory disallowances and restructuring costs	0	17,225
Allowance for equity funds used during construction	(5,908)	(2,654)
Other, net	1,705	2,091
Changes in certain assets and liabilities:
Accounts receivable and unbilled revenues	(13,881)	8,283
Materials, supplies, and fuel stock	1,385	(7,731)
Other current assets	24,488	(4,005)
Other assets	6,925	10,117
Accounts payable	123	6,819
Accrued interest and taxes	16,221	16,146
Other current liabilities	(17,988)	(18,908)
Other liabilities	(8,792)	(13,401)
Net cash flows from operating activities	297,792	228,642
Cash Flows From Investing Activities:
Additions to utility and non-utility plant	(206,499)	(377,637)
Proceeds from sales of available-for-sale securities	456,577	280,989
Purchases of available-for-sale securities	(461,126)	(284,706)
Return of principal on PVNGS lessor notes	0	8,547
Other, net	150	171
Net cash flows from investing activities	(210,898)	(372,636)
Cash Flows From Financing Activities:
Revolving credit facilities borrowings (repayments), net	(61,000)	42,400
Long-term borrowings	257,000	321,000
Repayment of long-term debt	(232,000)	(271,000)
Equity contribution from parent	0	28,142
Dividends paid	(396)	(4,538)
Valencia’s transactions with its owner	(12,963)	(12,327)
Amounts received under transmission interconnection arrangements	11,879	3,262
Refunds paid under transmission interconnection arrangements	9,368	2,246
Other, net	(1,000)	(1,944)
Net cash flows from financing activities	(47,848)	102,749
Change in Cash and Cash Equivalents	39,046	(41,245)
Cash and Cash Equivalents at Beginning of Period	324	43,138
Cash and Cash Equivalents at End of Period	39,370	1,893
Supplemental Cash Flow Disclosures:
Interest paid, net of amounts capitalized	48,627	53,791
Income taxes paid (refunded), net	0	0
Supplemental schedule of noncash investing activities:
(Increase) decrease in accrued plant additions	(9,399)	20,200
Texas-New Mexico Power Company
Cash Flows From Operating Activities:
Net earnings	34,535	31,817
Adjustments to reconcile net earnings to net cash flows from operating activities:
Depreciation and amortization	48,754	47,055
Deferred income tax expense	8,578	(739)
Allowance for equity funds used during construction	(309)	(405)
Other, net	(296)	14
Changes in certain assets and liabilities:
Accounts receivable and unbilled revenues	(7,196)	(9,428)
Materials, supplies, and fuel stock	(1,588)	3,102
Other current assets	(1,674)	(3,570)
Other assets	(13,799)	(8,415)
Accounts payable	669	(6,758)
Accrued interest and taxes	13,550	22,896
Other current liabilities	945	(363)
Other liabilities	1,633	399
Net cash flows from operating activities	83,802	75,605
Cash Flows From Investing Activities:
Additions to utility and non-utility plant	(106,914)	(93,048)
Net cash flows from investing activities	(106,914)	(93,048)
Cash Flows From Financing Activities:
Revolving credit facilities borrowings (repayments), net	0	(59,000)
Short-term borrowings (repayments) - affiliate, net	(4,600)	(11,800)
Long-term borrowings	60,000	60,000
Equity contribution from parent	0	50,000
Dividends paid	(29,663)	(17,965)
Other, net	(874)	(775)
Net cash flows from financing activities	24,863	20,460
Change in Cash and Cash Equivalents	1,751	3,017
Cash and Cash Equivalents at Beginning of Period	671	1
Cash and Cash Equivalents at End of Period	2,422	3,018
Supplemental Cash Flow Disclosures:
Interest paid, net of amounts capitalized	16,721	15,642
Income taxes paid (refunded), net	750	850
Supplemental schedule of noncash investing activities:
(Increase) decrease in accrued plant additions	$ (251)	$ (10)