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v3.6.0.2

Segment Information - Schedule (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2016 | Sep. 30, 2016 | Jun. 30, 2016 | Mar. 31, 2016 | Dec. 31, 2015 | Sep. 30, 2015 | Jun. 30, 2015 | Mar. 31, 2015 | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Electric Operating Revenues | $ 336,225 | $ 400,374 | $ 315,391 | $ 310,961 | $ 335,894 | $ 417,433 | $ 352,887 | $ 332,868 | $ 1,362,951 | $ 1,439,082 | $ 1,435,853
Cost of energy |  |  |  |  |  |  |  |  | 380,596 | 464,649 | 471,556
Utility margin |  |  |  |  |  |  |  |  | 982,355 | 974,433 | 964,297
Other operating expenses |  |  |  |  |  |  |  |  | 495,260 | 664,164 | 491,966
Depreciation and amortization |  |  |  |  |  |  |  |  | 209,110 | 185,919 | 172,634
Operating income | 63,584 | 108,071 | 64,822 | 41,508 | (119,138) | 121,505 | 72,414 | 49,569 | 277,985 | 124,350 | 299,697
Interest income |  |  |  |  |  |  |  |  | 22,293 | 6,498 | 8,483
Other income (deductions) |  |  |  |  |  |  |  |  | 23,529 | 30,165 | 12,094
Interest charges |  |  |  |  |  |  |  |  | (128,633) | (114,860) | (119,627)
Earnings before Income Taxes |  |  |  |  |  |  |  |  | 195,174 | 46,153 | 200,647
Income taxes (benefit) |  |  |  |  |  |  |  |  | 63,278 | 15,075 | 69,738
Net Earnings | 28,423 | $ 58,556 | $ 30,952 | $ 13,965 | (87,284) | $ 64,855 | $ 35,655 | $ 17,852 | 131,896 | 31,078 | 130,909
Valencia non-controlling interest |  |  |  |  |  |  |  |  | (14,519) | (14,910) | (14,127)
Subsidiary preferred stock dividends |  |  |  |  |  |  |  |  | (528) | (528) | (528)
Segment earnings (loss) attributable to PNMR |  |  |  |  |  |  |  |  | 116,849 | 15,640 | 116,254
Total Assets | 6,471,080 |  |  |  | 6,009,328 |  |  |  | 6,471,080 | 6,009,328 | 5,790,237
Goodwill | 278,297 |  |  |  | 278,297 |  |  |  | 278,297 | 278,297 | 278,297
PNM [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Electric Operating Revenues |  |  |  |  |  |  |  |  | 1,035,913 | 1,131,195 | 1,147,914
Cost of energy |  |  |  |  |  |  |  |  | 299,714 | 391,131 | 403,626
Utility margin |  |  |  |  |  |  |  |  | 736,199 | 740,064 | 744,288
Other operating expenses |  |  |  |  |  |  |  |  | 414,662 | 590,967 | 422,051
Depreciation and amortization |  |  |  |  |  |  |  |  | 133,447 | 115,717 | 109,524
Operating income |  |  |  |  |  |  |  |  | 188,090 | 33,380 | 212,713
Interest income |  |  |  |  |  |  |  |  | 10,173 | 6,574 | 8,557
Other income (deductions) |  |  |  |  |  |  |  |  | 22,066 | 26,914 | 12,258
Interest charges |  |  |  |  |  |  |  |  | (87,469) | (79,950) | (79,442)
Earnings before Income Taxes |  |  |  |  |  |  |  |  | 132,860 | (13,082) | 154,086
Income taxes (benefit) |  |  |  |  |  |  |  |  | 40,922 | (12,758) | 52,633
Net Earnings |  |  |  |  |  |  |  |  | 91,938 | (324) | 101,453
Valencia non-controlling interest |  |  |  |  |  |  |  |  | (14,519) | (14,910) | (14,127)
Subsidiary preferred stock dividends |  |  |  |  |  |  |  |  | (528) | (528) | (528)
Segment earnings (loss) attributable to PNMR |  |  |  |  |  |  |  |  | 76,891 | (15,762) | 86,798
Total Assets | 4,867,546 |  |  |  | 4,599,344 |  |  |  | 4,867,546 | 4,599,344 | 4,453,114
Goodwill | 51,632 |  |  |  | 51,632 |  |  |  | 51,632 | 51,632 | 51,632
TNMP [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Electric Operating Revenues |  |  |  |  |  |  |  |  | 327,038 | 307,887 | 287,939
Cost of energy |  |  |  |  |  |  |  |  | 80,882 | 73,518 | 67,930
Utility margin |  |  |  |  |  |  |  |  | 246,156 | 234,369 | 220,009
Other operating expenses |  |  |  |  |  |  |  |  | 93,389 | 88,051 | 84,365
Depreciation and amortization |  |  |  |  |  |  |  |  | 61,126 | 56,285 | 50,056
Operating income |  |  |  |  |  |  |  |  | 91,641 | 90,033 | 85,588
Interest income |  |  |  |  |  |  |  |  | 0 | 0 | 0
Other income (deductions) |  |  |  |  |  |  |  |  | 3,202 | 3,736 | 2,138
Interest charges |  |  |  |  |  |  |  |  | (29,335) | (27,681) | (27,396)
Earnings before Income Taxes |  |  |  |  |  |  |  |  | 65,508 | 66,088 | 60,330
Income taxes (benefit) |  |  |  |  |  |  |  |  | 23,836 | 24,125 | 22,523
Net Earnings |  |  |  |  |  |  |  |  | 41,672 | 41,963 | 37,807
Valencia non-controlling interest |  |  |  |  |  |  |  |  | 0 | 0 | 0
Subsidiary preferred stock dividends |  |  |  |  |  |  |  |  | 0 | 0 | 0
Segment earnings (loss) attributable to PNMR |  |  |  |  |  |  |  |  | 41,672 | 41,963 | 37,807
Total Assets | 1,383,223 |  |  |  | 1,297,139 |  |  |  | 1,383,223 | 1,297,139 | 1,229,417
Goodwill | 226,665 |  |  |  | 226,665 |  |  |  | 226,665 | 226,665 | 226,665
Corporate and Other [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Electric Operating Revenues |  |  |  |  |  |  |  |  | 0 | 0 | 0
Cost of energy |  |  |  |  |  |  |  |  | 0 | 0 | 0
Utility margin |  |  |  |  |  |  |  |  | 0 | 0 | 0
Other operating expenses |  |  |  |  |  |  |  |  | (12,791) | (14,854) | (14,450)
Depreciation and amortization |  |  |  |  |  |  |  |  | 14,537 | 13,917 | 13,054
Operating income |  |  |  |  |  |  |  |  | (1,746) | 937 | 1,396
Interest income |  |  |  |  |  |  |  |  | 12,120 | (76) | (74)
Other income (deductions) |  |  |  |  |  |  |  |  | (1,739) | (485) | (2,302)
Interest charges |  |  |  |  |  |  |  |  | (11,829) | (7,229) | (12,789)
Earnings before Income Taxes |  |  |  |  |  |  |  |  | (3,194) | (6,853) | (13,769)
Income taxes (benefit) |  |  |  |  |  |  |  |  | (1,480) | 3,708 | (5,418)
Net Earnings |  |  |  |  |  |  |  |  | (1,714) | (10,561) | (8,351)
Valencia non-controlling interest |  |  |  |  |  |  |  |  | 0 | 0 | 0
Subsidiary preferred stock dividends |  |  |  |  |  |  |  |  | 0 | 0 | 0
Segment earnings (loss) attributable to PNMR |  |  |  |  |  |  |  |  | (1,714) | (10,561) | (8,351)
Total Assets | 220,311 |  |  |  | 112,845 |  |  |  | 220,311 | 112,845 | 107,706
Goodwill | $ 0 |  |  |  | $ 0 |  |  |  | $ 0 | $ 0 | $ 0

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