Consolidated Statements of Earnings (Loss) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Electric Operating Revenues
Electric Domestic Regulated Revenue			$ 1,700,619
Revenue from Related Parties			0
Electric Operating Revenues	1,387,923	1,342,403	1,700,619
Operating Expenses:
Cost of energy	432,316	399,850	692,922
Administrative and general	179,210	187,740	257,774
Energy production costs	175,819	185,417	180,850
Regulatory disallowances	12,235	0	21,402
Depreciation and amortization	166,881	164,173	157,047
Transmission and distribution costs	70,124	71,125	69,693
Taxes other than income taxes	64,496	60,377	63,632
Total operating expenses	1,101,081	1,068,682	1,443,320
Operating income	286,842	273,721	257,299
Other Income and Deductions:
Interest income	10,043	13,072	15,515
Gains on available-for-sale securities	10,612	12,965	8,985
Other income	10,572	12,746	5,309
Gain on sale of First Choice	0	1,012	174,925
Other (deductions)	(21,552)	(17,636)	(24,715)
Net other income and deductions	9,675	22,159	180,019
Interest Charges	121,448	120,845	124,849
Earnings before Income Taxes	175,069	175,035	312,469
Income Taxes	59,513	54,910	121,535
Net Earnings	115,556	120,125	190,934
(Earnings) Attributable to Valencia Non-controlling Interest	(14,521)	(14,050)	(14,047)
Preferred Stock Dividend Requirements of Subsidiary	(528)	(528)	(528)
Net Earnings (Loss) Attributable to Company	100,507	105,547	176,359
Net Earnings Attributable to PNMR per Common Share:
Basic	$ 1.26	$ 1.32	$ 1.98
Diluted	$ 1.25	$ 1.31	$ 1.96
Public Service Company of New Mexico [Member]
Electric Operating Revenues
Electric Operating Revenues	1,116,312	1,092,264	1,057,289
Operating Expenses:
Cost of energy	374,710	353,649	362,237
Administrative and general	157,144	169,285	157,217
Energy production costs	175,819	185,403	180,802
Regulatory disallowances	12,235	0	17,479
Depreciation and amortization	103,826	97,291	94,787
Transmission and distribution costs	45,936	46,039	45,768
Taxes other than income taxes	37,457	34,715	37,556
Total operating expenses	907,127	886,382	895,846
Operating income	209,185	205,882	161,443
Other Income and Deductions:
Interest income	10,182	13,243	15,562
Gains on available-for-sale securities	10,612	12,965	8,985
Other income	7,650	8,126	2,220
Other (deductions)	(6,974)	(7,801)	(6,896)
Net other income and deductions	21,470	26,533	19,871
Interest Charges	79,175	76,101	75,349
Earnings before Income Taxes	151,480	156,314	105,965
Income Taxes	48,804	50,713	37,427
Net Earnings	102,676	105,601	68,538
(Earnings) Attributable to Valencia Non-controlling Interest	(14,521)	(14,050)	(14,047)
Net Earnings (Loss) Attributable to Company	88,155	91,551	54,491
Preferred Stock Dividends Requirements	(528)	(528)	(528)
Net Earnings (Loss) Available for Company Common Stock	87,627	91,023	53,963
Texas-New Mexico Power Company [Member]
Electric Operating Revenues
Electric Domestic Regulated Revenue	271,611	250,140	204,045
Revenue from Related Parties	0	0	33,813
Electric Operating Revenues	271,611	250,140	237,858
Operating Expenses:
Cost of energy	57,606	46,201	41,166
Administrative and general	44,635	40,775	39,485
Regulatory disallowances	0	0	3,923
Depreciation and amortization	50,219	49,340	44,616
Transmission and distribution costs	24,188	25,086	23,915
Taxes other than income taxes	22,778	21,218	20,911
Total operating expenses	199,426	182,620	174,016
Operating income	72,185	67,520	63,842
Other Income and Deductions:
Interest income	0	1	2
Other income	2,377	4,698	1,753
Other (deductions)	(458)	(1,959)	(173)
Net other income and deductions	1,919	2,740	1,582
Interest Charges	27,393	28,161	29,286
Earnings before Income Taxes	46,711	42,099	36,138
Income Taxes	17,621	15,352	13,881
Net Earnings (Loss) Attributable to Company	$ 29,090	$ 26,747	$ 22,257