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Regulatory Assets and Liabilities (Tables) | 12 Months Ended
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Dec. 31, 2013
Public Service Company of New Mexico [Member] |
Regulatory Assets [Line Items] |
Regulatory Assets and Liabilities [Table Text Block] | Regulatory assets and liabilities reflected in the Consolidated Balance Sheets are presented below. PNM
| December 31,
| 2013 |  | 2012
Assets: | (In thousands)
Current: |  |  |
FPPAC | $ | 19,394 |  |  | $ | 36,266 |
Other | — |  |  | 224 |
| 19,394 |  |  | 36,490 |
Non-Current: |  |  |
Coal mine reclamation costs | 40,144 |  |  | 46,065 |
Deferred income taxes | 61,850 |  |  | 54,781 |
Loss on reacquired debt | 27,490 |  |  | 29,702 |
Pension and OPEB | 206,691 |  |  | 254,351 |
FPPAC | 25,386 |  |  | 18,619 |
Renewable energy costs | 13,311 |  |  | 18,768 |
Other | 9,345 |  |  | 9,670 |
| 384,217 |  |  | 431,956 |
Total regulatory assets | $ | 403,611 |  |  | $ | 468,446 |
Liabilities: |  |  |
Current: |  |  |
Other | $ | (1,081 | ) |  | $ | (15,172 | )
Non-Current: |  |  |
Cost of removal | $ | (266,075 | ) |  | $ | (257,396 | )
Deferred income taxes | (80,495 | ) |  | (49,723 | )
AROs | (37,567 | ) |  | (39,280 | )
Renewable energy tax benefits | (26,011 | ) |  | (26,988 | )
Other | (4,463 | ) |  | (6,454 | )
| (414,611 | ) |  | (379,841 | )
Total regulatory liabilities | $ | (415,692 | ) |  | $ | (395,013 | )
Texas-New Mexico Power Company [Member] |
Regulatory Assets [Line Items] |
Regulatory Assets and Liabilities [Table Text Block] | TNMP
| December 31,
| 2013 |  | 2012
Assets: | (In thousands)
Current: |  |  |
Transmission cost recovery factor | $ | 4,250 |  |  | $ | 2,287 |
Other | 772 |  |  | 343 |
| 5,022 |  |  | 2,630 |
Non-Current: |  |  |
CTC, including carrying charges | 63,606 |  |  | 71,240 |
Deferred income taxes | 10,868 |  |  | 11,179 |
Pension | 19,938 |  |  | 28,307 |
Loss on reacquired debt | 38,616 |  |  | 1,711 |
Hurricane recovery costs | — |  |  | 4,572 |
AMS retirement costs | 5,083 |  |  | 3,538 |
Other | 1,627 |  |  | 3,074 |
| 139,738 |  |  | 123,621 |
Total regulatory assets | $ | 144,760 |  |  | $ | 126,251 |
Liabilities: |  |  |
Non-Current: |  |  |
Cost of removal | $ | (30,863 | ) |  | $ | (31,115 | )
Deferred income taxes | (4,563 | ) |  | (5,203 | )
AMS surcharge | (7,251 | ) |  | (6,386 | )
OPEB | (3,361 | ) |  | (915 | )
Total regulatory liabilities | $ | (46,038 | ) |  | $ | (43,619 | )

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