Condensed Consolidated Statements of Earnings - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Electric Operating Revenues:
Contracts with customers	$ 418,673	$ 400,023	$ 1,049,287	$ 1,042,033
Operating revenues	433,586	422,666	1,113,458	1,092,857
Operating Expenses:
Administrative and general	47,613	49,969	142,782	141,607
Regulatory disallowances and restructuring costs	0	(1,645)	150,599	149
Depreciation and amortization	68,350	61,580	199,771	180,365
Transmission and distribution costs	16,461	19,394	52,333	54,800
Taxes other than income taxes	21,009	20,492	61,327	60,094
Total operating expenses	293,046	294,676	1,029,810	839,406
Operating income	140,540	127,990	83,648	253,451
Other Income and Deductions:
Interest income	3,440	3,400	10,489	11,862
Gains on investment securities	1,686	2,463	20,299	1,081
Other income	4,256	3,735	11,050	12,000
Other (deductions)	(3,612)	(2,624)	(9,980)	(9,867)
Net other income and deductions	5,770	6,974	31,858	15,076
Interest Charges	30,359	30,492	91,785	96,868
Earnings before Income Taxes	115,951	104,472	23,721	171,659
Income Taxes (Benefits)	9,188	12,899	(32,420)	18,838
Net Earnings	106,763	91,573	56,141	152,821
(Earnings) Attributable to Valencia Non-controlling Interest	(3,860)	(3,920)	(10,188)	(11,706)
Preferred Stock Dividend Requirements of Subsidiary	(132)	(132)	(396)	(396)
Net Earnings Available for PNM Common Stock	$ 102,771	$ 87,521	$ 45,557	$ 140,719
Net Earnings Attributable to PNMR per Common Share:
Basic (dollars per share)	$ 1.29	$ 1.10	$ 0.57	$ 1.76
Diluted (dollars per share)	1.28	1.09	0.57	1.76
Dividends Declared per Common Share (dollars per share)	$ 0.290	$ 0.265	$ 0.870	$ 0.795
Alternative revenue programs
Electric Operating Revenues:
Operating revenues	$ (6,779)	$ (8,050)	$ (300)	$ (1,466)
Other electric operating revenue
Electric Operating Revenues:
Operating revenues	21,692	30,693	64,471	52,290
Cost of energy
Electric Operating Revenues:
Operating revenues	433,586	422,666	1,113,458	1,092,857
Operating Expenses:
Cost of energy and energy production costs	108,736	113,536	314,145	293,803
Energy production costs
Operating Expenses:
Cost of energy and energy production costs	30,877	31,350	108,853	108,588
PNM
Electric Operating Revenues:
Contracts with customers	311,793	306,019	775,795	783,310
Operating revenues	331,113	331,374	838,649	832,116
Operating Expenses:
Administrative and general	44,468	44,923	132,107	129,571
Regulatory disallowances and restructuring costs	0	(1,645)	150,599	149
Depreciation and amortization	40,545	38,474	119,581	113,314
Transmission and distribution costs	10,858	12,408	33,329	33,228
Taxes other than income taxes	10,997	10,964	34,292	34,033
Total operating expenses	222,660	228,858	821,881	648,430
Operating income	108,453	102,516	16,768	183,686
Other Income and Deductions:
Interest income	3,515	3,472	10,701	9,340
Gains on investment securities	1,686	2,463	20,299	1,081
Other income	2,095	2,137	6,647	6,821
Other (deductions)	(3,011)	(2,085)	(7,639)	(7,314)
Net other income and deductions	4,285	5,987	30,008	9,928
Interest Charges	18,492	18,063	55,379	58,881
Earnings before Income Taxes	94,246	90,440	(8,603)	134,733
Income Taxes (Benefits)	9,525	9,012	(31,984)	11,009
Net Earnings	84,721	81,428	23,381	123,724
(Earnings) Attributable to Valencia Non-controlling Interest	(3,860)	(3,920)	(10,188)	(11,706)
Net Earnings Attributable to PNMR	80,861	77,508	13,193	112,018
Preferred Stock Dividend Requirements of Subsidiary	(132)	(132)	(396)	(396)
Net Earnings Available for PNM Common Stock	80,729	77,376	12,797	111,622
PNM | Alternative revenue programs
Electric Operating Revenues:
Operating revenues	(2,372)	(5,338)	(1,617)	(3,484)
PNM | Other electric operating revenue
Electric Operating Revenues:
Operating revenues	21,692	30,693	64,471	52,290
PNM | Cost of energy
Operating Expenses:
Cost of energy and energy production costs	84,915	92,384	243,120	229,547
PNM | Energy production costs
Operating Expenses:
Cost of energy and energy production costs	30,877	31,350	108,853	108,588
Texas-New Mexico Power Company
Electric Operating Revenues:
Contracts with customers	106,880	94,004	273,492	258,723
Operating revenues	102,473	91,292	274,809	260,741
Operating Expenses:
Administrative and general	9,418	9,781	30,073	29,342
Depreciation and amortization	22,005	17,176	62,722	49,676
Transmission and distribution costs	5,603	6,986	19,004	21,572
Taxes other than income taxes	9,030	8,373	24,226	22,710
Total operating expenses	69,877	63,468	207,050	187,556
Operating income	32,596	27,824	67,759	73,185
Other Income and Deductions:
Other income	2,012	1,300	3,952	4,276
Other (deductions)	(246)	(149)	(869)	(1,209)
Net other income and deductions	1,766	1,151	3,083	3,067
Interest Charges	7,047	8,241	22,408	23,771
Earnings before Income Taxes	27,315	20,734	48,434	52,481
Income Taxes (Benefits)	2,228	4,634	3,982	11,602
Net Earnings Attributable to PNMR	25,087	16,100	44,452	40,879
Texas-New Mexico Power Company | Alternative revenue programs
Electric Operating Revenues:
Operating revenues	(4,407)	(2,712)	1,317	2,018
Texas-New Mexico Power Company | Other electric operating revenue
Electric Operating Revenues:
Operating revenues	0	0	0	0
Texas-New Mexico Power Company | Cost of energy
Operating Expenses:
Cost of energy and energy production costs	$ 23,821	$ 21,152	$ 71,025	$ 64,256