Consolidated Balance Sheets - USD ($)	Dec. 31, 2017	Dec. 31, 2016
Current Assets:
Cash and cash equivalents	$ 3,974,000	$ 4,522,000
Accounts receivable, net of allowance for uncollectible accounts	90,473,000	87,012,000
Unbilled revenues	54,055,000	58,284,000
Other receivables	17,582,000	28,245,000
Current portion of Westmoreland Loan	3,576,000	38,360,000
Materials, supplies, and fuel stock	66,502,000	73,027,000
Regulatory assets	2,933,000	3,855,000
Commodity derivative instruments	1,088,000	5,224,000
Income taxes receivable	6,879,000	6,066,000
Other current assets	47,358,000	73,444,000
Total current assets	294,420,000	378,039,000
Other Property and Investments:
Long-term portion of Westmoreland Loan	53,064,000	56,640,000
Available-for-sale securities	323,524,000	272,977,000
Equity investment in NMRD	16,510,000	0
Other investments	503,000	547,000
Non-utility property	3,404,000	3,404,000
Total other property and investments	397,005,000	333,568,000
Utility Plant:
Plant in service, held for future use, and to be abandoned	7,238,285,000	6,944,534,000
Less accumulated depreciation and amortization	2,592,692,000	2,334,938,000
Net plant in service and plant held for future use	4,645,593,000	4,609,596,000
Construction work in progress	245,933,000	208,206,000
Nuclear fuel, net of accumulated amortization	88,701,000	86,913,000
Net utility plant	4,980,227,000	4,904,715,000
Deferred Charges and Other Assets:
Regulatory assets	600,672,000	501,223,000
Goodwill	278,297,000	278,297,000
Commodity derivative instruments	3,556,000	0
Other deferred charges	91,926,000	75,238,000
Total deferred charges and other assets	974,451,000	854,758,000
Total assets	6,646,103,000	6,471,080,000
Current Liabilities:
Short-term debt	305,400,000	287,100,000
Current installments of long-term debt	256,895,000	273,348,000
Accounts payable	121,383,000	86,705,000
Customer deposits	11,028,000	11,374,000
Accrued interest and taxes	62,357,000	61,871,000
Regulatory liabilities	2,309,000	3,609,000
Commodity derivative instruments	1,182,000	2,339,000
Dividends declared	21,240,000	19,448,000
Other current liabilities	53,850,000	59,314,000
Total current liabilities	835,644,000	805,108,000
Long-term Debt, net of Unamortized Premiums, Discounts, and Debt Issuance Costs	2,180,750,000	2,119,364,000
Deferred Credits and Other Liabilities:
Accumulated deferred income taxes	547,210,000	940,650,000
Regulatory liabilities	933,578,000	455,649,000
Asset retirement obligations	146,679,000	127,519,000
Accrued pension liability and postretirement benefit cost	94,003,000	125,844,000
Commodity derivative instruments	3,556,000	0
Other deferred credits	131,706,000	140,545,000
Total deferred credits and other liabilities	1,856,732,000	1,790,207,000
Total liabilities	4,873,126,000	4,714,679,000
Commitments and Contingencies (See Note 16)
Cumulative Preferred Stock of Subsidiary without mandatory redemption requirements ($100 stated value; 10,000,000 shares authorized; issued and outstanding 115,293 shares)	11,529,000	11,529,000
Company common stockholders’ equity:
Common stock outstanding	1,157,665,000	1,163,661,000
Accumulated other comprehensive income (loss), net of income taxes	(95,940,000)	(92,451,000)
Retained earnings	633,528,000	604,742,000
Total PNMR common stockholders’ equity	1,695,253,000	1,675,952,000
Non-controlling interest in Valencia	66,195,000	68,920,000
Total equity	1,761,448,000	1,744,872,000
Total liabilities and stockholders' equity	6,646,103,000	6,471,080,000
Public Service Company of New Mexico
Current Assets:
Cash and cash equivalents	1,108,000	324,000
Accounts receivable, net of allowance for uncollectible accounts	67,227,000	65,003,000
Unbilled revenues	43,869,000	48,289,000
Other receivables	14,541,000	25,514,000
Affiliate receivables	9,486,000	8,886,000
Materials, supplies, and fuel stock	60,859,000	64,401,000
Regulatory assets	2,139,000	3,442,000
Commodity derivative instruments	1,088,000	5,224,000
Income taxes receivable	3,410,000	25,807,000
Other current assets	39,904,000	67,355,000
Total current assets	243,631,000	314,245,000
Other Property and Investments:
Available-for-sale securities	323,524,000	272,977,000
Other investments	283,000	316,000
Non-utility property	96,000	96,000
Total other property and investments	323,903,000	273,389,000
Utility Plant:
Plant in service, held for future use, and to be abandoned	5,501,070,000	5,359,211,000
Less accumulated depreciation and amortization	2,029,534,000	1,809,528,000
Net plant in service and plant held for future use	3,471,536,000	3,549,683,000
Construction work in progress	204,079,000	158,122,000
Nuclear fuel, net of accumulated amortization	88,701,000	86,913,000
Net utility plant	3,764,316,000	3,794,718,000
Deferred Charges and Other Assets:
Regulatory assets	459,239,000	365,413,000
Goodwill	51,632,000	51,632,000
Commodity derivative instruments	3,556,000	0
Other deferred charges	75,286,000	68,149,000
Total deferred charges and other assets	589,713,000	485,194,000
Total assets	4,921,563,000	4,867,546,000
Current Liabilities:
Short-term debt	39,800,000	61,000,000
Short-term debt - affiliate	0	0
Current installments of long-term debt	23,000	231,880,000
Accounts payable	77,094,000	55,566,000
Affiliate payables	22,875,000	23,183,000
Customer deposits	11,028,000	11,374,000
Accrued interest and taxes	33,945,000	34,819,000
Regulatory liabilities	784,000	3,517,000
Commodity derivative instruments	1,182,000	2,339,000
Dividends declared	132,000	132,000
Other current liabilities	31,633,000	33,551,000
Total current liabilities	218,496,000	457,361,000
Long-term Debt, net of Unamortized Premiums, Discounts, and Debt Issuance Costs	1,657,887,000	1,399,489,000
Deferred Credits and Other Liabilities:
Accumulated deferred income taxes	449,012,000	748,666,000
Regulatory liabilities	754,441,000	423,701,000
Asset retirement obligations	145,707,000	126,601,000
Accrued pension liability and postretirement benefit cost	86,124,000	114,427,000
Commodity derivative instruments	3,556,000	0
Other deferred credits	106,442,000	118,980,000
Total deferred credits and other liabilities	1,545,282,000	1,532,375,000
Total liabilities	3,421,665,000	3,389,225,000
Commitments and Contingencies (See Note 16)
Cumulative Preferred Stock of Subsidiary without mandatory redemption requirements ($100 stated value; 10,000,000 shares authorized; issued and outstanding 115,293 shares)	11,529,000	11,529,000
Company common stockholders’ equity:
Common stock outstanding	1,264,918,000	1,264,918,000
Accumulated other comprehensive income (loss), net of income taxes	(97,093,000)	(92,428,000)
Retained earnings	254,349,000	225,382,000
Total PNMR common stockholders’ equity	1,422,174,000	1,397,872,000
Non-controlling interest in Valencia	66,195,000	68,920,000
Total equity	1,488,369,000	1,466,792,000
Total liabilities and stockholders' equity	4,921,563,000	4,867,546,000
Texas-New Mexico Power Company
Current Assets:
Cash and cash equivalents	1,700,000	671,000
Accounts receivable, net of allowance for uncollectible accounts	23,246,000	22,009,000
Unbilled revenues	10,186,000	9,995,000
Other receivables	2,860,000	2,090,000
Affiliate receivables	336,000	0
Materials, supplies, and fuel stock	5,643,000	8,626,000
Regulatory assets	794,000	413,000
Other current assets	1,131,000	1,031,000
Total current assets	45,896,000	44,835,000
Other Property and Investments:
Other investments	220,000	231,000
Non-utility property	2,240,000	2,240,000
Total other property and investments	2,460,000	2,471,000
Utility Plant:
Plant in service, held for future use, and to be abandoned	1,504,778,000	1,380,584,000
Less accumulated depreciation and amortization	460,858,000	429,397,000
Net plant in service and plant held for future use	1,043,920,000	951,187,000
Construction work in progress	34,350,000	16,978,000
Net utility plant	1,078,270,000	968,165,000
Deferred Charges and Other Assets:
Regulatory assets	141,433,000	135,810,000
Goodwill	226,665,000	226,665,000
Other deferred charges	6,046,000	5,277,000
Total deferred charges and other assets	374,144,000	367,752,000
Total assets	1,500,770,000	1,383,223,000
Current Liabilities:
Short-term debt - affiliate	0	4,600,000
Accounts payable	29,812,000	16,709,000
Affiliate payables	667,000	3,793,000
Accrued interest and taxes	29,619,000	45,581,000
Regulatory liabilities	1,525,000	92,000
Other current liabilities	2,450,000	2,134,000
Total current liabilities	64,073,000	72,909,000
Long-term Debt, net of Unamortized Premiums, Discounts, and Debt Issuance Costs	480,620,000	420,875,000
Deferred Credits and Other Liabilities:
Accumulated deferred income taxes	126,415,000	245,785,000
Regulatory liabilities	179,137,000	31,948,000
Asset retirement obligations	793,000	754,000
Accrued pension liability and postretirement benefit cost	7,879,000	11,417,000
Other deferred credits	7,448,000	6,300,000
Total deferred credits and other liabilities	321,672,000	296,204,000
Total liabilities	866,365,000	789,988,000
Commitments and Contingencies (See Note 16)
Company common stockholders’ equity:
Common stock outstanding	64,000	64,000
Paid-in-capital	504,166,000	454,166,000
Retained earnings	130,175,000	139,005,000
Total PNMR common stockholders’ equity	634,405,000	593,235,000
Total liabilities and stockholders' equity	$ 1,500,770,000	$ 1,383,223,000