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Regulatory Assets and Liabilities (Tables) | 12 Months Ended
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Dec. 31, 2016
Regulated Operations [Abstract] |
Schedule of Regulatory Assets and Liabilities | Regulatory assets and liabilities reflected in the Consolidated Balance Sheets are presented below.
| PNM |  | TNMP
| December 31, |  | December 31,
| 2016 |  | 2015 |  | 2016 |  | 2015
Assets: | (In thousands)
Current: |  |  |  |  |  |  |
FPPAC | $ | 1,451 |  |  | $ | — |  |  | $ | — |  |  | $ | — |
Energy efficiency costs | 1,991 |  |  | — |  |  | 413 |  |  | 629 |
Other | — |  |  | — |  |  | — |  |  | 441 |
| 3,442 |  |  | — |  |  | 413 |  |  | 1,070 |
Non-Current: |  |  |  |  |  |  |
CTC, including carrying charges | — |  |  | — |  |  | 36,328 |  |  | 46,147 |
Coal mine reclamation costs | 22,383 |  |  | 28,303 |  |  | — |  |  | — |
Deferred income taxes | 62,918 |  |  | 66,990 |  |  | 9,932 |  |  | 10,244 |
Loss on reacquired debt | 24,404 |  |  | 23,627 |  |  | 34,107 |  |  | 35,405 |
Pension and OPEB | 249,286 |  |  | 218,743 |  |  | 27,661 |  |  | 23,356 |
AMS surcharge | — |  |  | — |  |  | 14,669 |  |  | 1,673 |
AMS retirement costs | — |  |  | — |  |  | 11,086 |  |  | 8,549 |
Other | 6,422 |  |  | 5,247 |  |  | 2,027 |  |  | 2,380 |
| 365,413 |  |  | 342,910 |  |  | 135,810 |  |  | 127,754 |
Total regulatory assets | $ | 368,855 |  |  | $ | 342,910 |  |  | $ | 136,223 |  |  | $ | 128,824 |
| PNM |  | TNMP
| December 31, |  | December 31,
| 2016 |  | 2015 |  | 2016 |  | 2015
Liabilities: | (In thousands)
Current: |  |  |  |  |  |  |
FPPAC | $ | — |  |  | $ | (11,410 | ) |  | $ | — |  |  | $ | — |
Renewable energy rider | (3,411 | ) |  | (2,584 | ) |  | — |  |  | — |
Other | (106 | ) |  | (1,597 | ) |  | (92 | ) |  | — |
| (3,517 | ) |  | (15,591 | ) |  | (92 | ) |  | — |
Non-Current: |  |  |  |  |  |  |
Cost of removal | (297,087 | ) |  | (284,015 | ) |  | (26,900 | ) |  | (26,859 | )
Deferred income taxes | (62,920 | ) |  | (77,502 | ) |  | (2,644 | ) |  | (3,283 | )
PVNGS ARO | (30,621 | ) |  | (33,747 | ) |  | — |  |  | — |
Renewable energy tax benefits | (22,540 | ) |  | (23,697 | ) |  | — |  |  | — |
Nuclear spent fuel reimbursements | (8,875 | ) |  | (9,214 | ) |  | — |  |  | — |
Pension and OPEB | — |  |  | — |  |  | (1,955 | ) |  | (1,913 | )
Other | (1,658 | ) |  | (6,688 | ) |  | (449 | ) |  | (495 | )
| (423,701 | ) |  | (434,863 | ) |  | (31,948 | ) |  | (32,550 | )
Total regulatory liabilities | $ | (427,218 | ) |  | $ | (450,454 | ) |  | $ | (32,040 | ) |  | $ | (32,550 | )

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