Consolidated Statements of Earnings - PNM - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Electric Operating Revenues
Contracts with customers	$ 1,569,405	$ 1,469,799	$ 1,377,208
Alternative revenue programs	(3,764)	(11,994)	(542)
Other electric operating revenue	214,232	65,207	80,937
Total electric operating revenues	1,779,873	1,523,012	1,457,603
Operating Expenses:
Administrative and general	230,292	216,334	189,227
Regulatory disallowances and restructuring costs	1,194	1,098	151,095
Depreciation and amortization	284,107	275,612	267,808
Transmission and distribution costs	81,335	77,943	69,862
Taxes other than income taxes	86,008	81,526	80,054
Total operating expenses	1,471,720	1,237,731	1,313,403
Operating income	308,153	285,281	144,200
Other Income and Deductions:
Interest income	14,662	14,223	14,022
Gains on investment securities	16,850	21,599	29,589
Other income	20,200	19,973	15,382
Other (deductions)	(18,559)	(18,732)	(15,328)
Net other income and (deductions)	33,153	37,063	43,665
Interest Charges	96,877	114,392	121,016
Earnings before Income Taxes	244,429	207,952	66,849
Income Taxes (Benefits)	32,582	20,636	(25,282)
Net Earnings	211,847	187,316	92,131
(Earnings) Attributable to Valencia Non-controlling Interest	(15,490)	(14,013)	(14,241)
Preferred Stock Dividends Requirements	(528)	(528)	(528)
Net Earnings Attributable to PNMR	195,829	172,775	77,362
Public Service Company of New Mexico
Electric Operating Revenues
Contracts with customers	1,151,896	1,078,158	1,010,898
Alternative revenue programs	(4,108)	(3,531)	1,987
Other electric operating revenue	214,232	65,207	80,937
Total electric operating revenues	1,362,020	1,139,834	1,093,822
Operating Expenses:
Administrative and general	196,719	180,113	172,903
Regulatory disallowances and restructuring costs	1,194	1,098	150,599
Depreciation and amortization	170,365	165,325	160,368
Transmission and distribution costs	49,846	49,534	42,970
Taxes other than income taxes	46,682	45,723	45,644
Total operating expenses	1,140,523	924,937	1,032,754
Operating income	221,497	214,897	61,068
Other Income and Deductions:
Interest income	14,605	14,469	14,303
Gains on investment securities	16,850	21,599	29,589
Other income	11,390	9,800	9,213
Other (deductions)	(14,431)	(14,279)	(11,813)
Net other income and (deductions)	28,414	31,589	41,292
Interest Charges	51,360	64,615	72,900
Earnings before Income Taxes	198,551	181,871	29,460
Income Taxes (Benefits)	26,992	21,857	(25,962)
Net Earnings	171,559	160,014	55,422
(Earnings) Attributable to Valencia Non-controlling Interest	(15,490)	(14,013)	(14,241)
Net earnings	156,069	146,001	41,181
Preferred Stock Dividends Requirements	(528)	(528)	(528)
Net Earnings Attributable to PNMR	155,541	145,473	40,653
Electricity
Electric Operating Revenues
Total electric operating revenues	1,779,873	1,523,012	1,457,603
Operating Expenses:
Cost of energy and production costs	644,853	447,241	412,812
Electricity | Public Service Company of New Mexico
Operating Expenses:
Cost of energy and production costs	531,786	345,167	317,725
Electricity, Generation
Operating Expenses:
Cost of energy and production costs	143,931	137,977	142,545
Electricity, Generation | Public Service Company of New Mexico
Operating Expenses:
Cost of energy and production costs	$ 143,931	$ 137,977	$ 142,545