Condensed Consolidated Balance Sheets - PNM - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Current Assets:
Cash and cash equivalents	$ 5,622	$ 1,104
Accounts receivable, net of allowance for credit losses of $4,919 and $7,265	179,604	123,292
Unbilled revenues	63,889	57,736
Other receivables	22,089	18,784
Materials, supplies, and fuel stock	64,835	65,061
Regulatory assets	45,040	14,785
Prepaid assets	18,407	37,325
Other current assets	6,453	1,635
Total current assets	409,774	324,600
Other Property and Investments:
Investment securities	376,662	463,126
Other investments	160	265
Non-utility property, net	25,805	25,439
Total other property and investments	493,301	577,988
Utility Plant:
Plant in service, held for future use, and to be abandoned	8,832,929	9,357,849
Less accumulated depreciation and amortization	2,621,112	2,952,743
Net plant in service and plant held for future use	6,211,817	6,405,106
Construction work in progress	485,023	248,856
Nuclear fuel, net of accumulated amortization of $47,734 and $41,181	97,545	98,937
Net utility plant	6,794,385	6,752,899
Deferred Charges and Other Assets:
Regulatory assets	820,832	514,258
Goodwill	278,297	278,297
Operating lease right-of-use assets, net of accumulated amortization	62,440	79,511
Other deferred charges	169,861	139,332
Total deferred charges and other assets	1,331,430	1,011,398
Assets	9,028,890	8,666,885
Current Liabilities:
Short-term debt	60,200	62,700
Current installments of long-term debt	184,684	179,339
Accounts payable	127,493	172,595
Customer deposits	5,917	5,095
Accrued interest and taxes	86,937	70,105
Regulatory liabilities	17,186	8,316
Operating lease liabilities	18,534	27,218
Dividends declared	29,960	132
Transmission interconnection arrangement liabilities	20,208	39,564
Other current liabilities	115,350	99,149
Total current liabilities	666,469	664,213
Long-term Debt, net of Unamortized Premiums, Discounts, and Debt Issuance Costs	3,893,500	3,519,580
Deferred Credits and Other Liabilities:
Accumulated deferred income taxes	806,630	764,850
Regulatory liabilities	772,355	841,393
Asset retirement obligations	220,899	234,146
Accrued pension liability and postretirement benefit cost	9,416	19,057
Operating lease liabilities	41,701	55,993
Other deferred credits	350,663	333,195
Total deferred credits and liabilities	2,201,664	2,248,634
Total liabilities	6,761,633	6,432,427
Commitments and Contingencies (Note 11)
Cumulative Preferred Stock without mandatory redemption requirements ($100 stated value; 10,000,000 shares authorized; issued and outstanding 115,293 shares)	11,529	11,529
PNM common stockholder’s equity:
Common stock (no par value; 40,000,000 shares authorized; issued and outstanding 39,117,799 shares)	1,427,383	1,429,257
Accumulated other comprehensive income (loss), net of income taxes	(70,179)	(71,936)
Retained earnings	844,677	810,203
Total PNM common stockholder’s equity	2,201,881	2,167,524
Non-controlling interest in Valencia	53,847	55,405
Total equity	2,255,728	2,222,929
Total liabilities and stockholders' equity	9,028,890	8,666,885
PNM
Current Assets:
Cash and cash equivalents	4,374	19
Accounts receivable, net of allowance for credit losses of $4,919 and $7,265	138,203	98,151
Unbilled revenues	45,711	44,759
Other receivables	17,411	16,538
Affiliate receivables	8,906	8,837
Materials, supplies, and fuel stock	54,895	57,942
Regulatory assets	44,906	8,721
Prepaid assets	10,315	30,266
Other current assets	6,500	1,456
Total current assets	331,221	266,689
Other Property and Investments:
Investment securities	376,662	463,126
Other investments	24	129
Non-utility property, net	11,405	10,717
Total other property and investments	388,091	473,972
Utility Plant:
Plant in service, held for future use, and to be abandoned	5,908,807	6,602,015
Less accumulated depreciation and amortization	1,879,406	2,235,068
Net plant in service and plant held for future use	4,029,401	4,366,947
Construction work in progress	281,506	182,520
Nuclear fuel, net of accumulated amortization of $47,734 and $41,181	97,545	98,937
Net utility plant	4,408,452	4,648,404
Deferred Charges and Other Assets:
Regulatory assets	740,175	428,981
Goodwill	51,632	51,632
Operating lease right-of-use assets, net of accumulated amortization	58,670	73,903
Other deferred charges	135,175	116,552
Total deferred charges and other assets	985,652	671,068
Assets	6,113,416	6,060,133
Current Liabilities:
Short-term debt	0	7,400
Current installments of long-term debt	184,684	179,339
Accounts payable	107,034	107,795
Affiliate payables	10,481	15,203
Customer deposits	5,917	5,095
Accrued interest and taxes	51,936	37,137
Regulatory liabilities	12,366	8,316
Operating lease liabilities	16,902	25,278
Dividends declared	132	132
Transmission interconnection arrangement liabilities	20,208	39,564
Other current liabilities	87,399	70,643
Total current liabilities	497,059	495,902
Long-term Debt, net of Unamortized Premiums, Discounts, and Debt Issuance Costs	1,815,951	1,701,771
Deferred Credits and Other Liabilities:
Accumulated deferred income taxes	656,814	630,682
Regulatory liabilities	571,483	653,830
Asset retirement obligations	220,088	233,383
Accrued pension liability and postretirement benefit cost	9,122	18,718
Operating lease liabilities	39,754	52,552
Other deferred credits	272,024	246,502
Total deferred credits and liabilities	1,769,285	1,835,667
Total liabilities	4,082,295	4,033,340
Commitments and Contingencies (Note 11)
Cumulative Preferred Stock without mandatory redemption requirements ($100 stated value; 10,000,000 shares authorized; issued and outstanding 115,293 shares)	11,529	11,529
PNM common stockholder’s equity:
Common stock (no par value; 40,000,000 shares authorized; issued and outstanding 39,117,799 shares)	1,547,918	1,547,918
Accumulated other comprehensive income (loss), net of income taxes	(76,612)	(71,936)
Retained earnings	494,439	483,877
Total PNM common stockholder’s equity	1,965,745	1,959,859
Non-controlling interest in Valencia	53,847	55,405
Total equity	2,019,592	2,015,264
Total liabilities and stockholders' equity	$ 6,113,416	$ 6,060,133