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Regulatory Assets and Liabilities (Tables) | 12 Months Ended
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Dec. 31, 2021
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,
| 2021 |  | 2020 |  | 2021 |  | 2020
Assets: | (In thousands)
Current: |  |  |  |  |  |  |
FPPAC | $ | 7,130 |  |  | $ | — |  |  | $ | — |  |  | $ | — |
Transmission cost recovery factor | — |  |  | — |  |  | 3,906 |  |  | — |
Energy efficiency costs | — |  |  | — |  |  | 2,158 |  |  | 202 |
Other | 1,591 |  |  | — |  |  | — |  |  | — |
| 8,721 |  |  | — |  |  | 6,064 |  |  | 202 |
| PNM |  | TNMP
| December 31, |  | December 31,
| 2021 |  | 2020 |  | 2021 |  | 2020
Assets (Continued): | (In thousands)
Non-Current: |  |  |  |  |  |  |
Coal mine reclamation costs(1) | $ | 9,942 |  |  | $ | 9,980 |  |  | $ | — |  |  | $ | — |
Deferred income taxes | 68,687 |  |  | 65,564 |  |  | 9,505 |  |  | 9,817 |
Loss on reacquired debt | 17,249 |  |  | 19,748 |  |  | 27,615 |  |  | 28,914 |
Pension and OPEB(2) | 165,006 |  |  | 190,147 |  |  | 17,924 |  |  | 22,863 |
Shutdown of SJGS Units 2 and 3 | 100,954 |  |  | 107,231 |  |  | — |  |  | — |
AMS surcharge | — |  |  | — |  |  | 12,507 |  |  | 18,761 |
AMS retirement and other costs | — |  |  | — |  |  | 12,286 |  |  | 13,915 |
Deferred cost under the ETA | 42,656 |  |  | 42,703 |  |  | — |  |  | — |
Deferred COVID-19 costs | 6,896 |  |  | 8,761 |  |  | — |  |  | 676 |
SJGS replacement resources | 8,269 |  |  | 8,282 |  |  | — |  |  | — |
EIM | 7,028 |  |  | 2,209 |  |  | — |  |  | — |
Other | 2,294 |  |  | 3,328 |  |  | 5,440 |  |  | 4,891 |
| 428,981 |  |  | 457,953 |  |  | 85,277 |  |  | 99,837 |
Total regulatory assets | $ | 437,702 |  |  | $ | 457,953 |  |  | $ | 91,341 |  |  | $ | 100,039 |
Liabilities: |
Current: |  |  |  |  |  |  |
FPPAC | $ | — |  |  | $ | (2,274) |  |  | $ | — |  |  | $ | — |
Renewable energy rider | (5,989) |  |  | (2,044) |  |  | — |  |  | — |
Energy efficiency costs | (2,327) |  |  | (1,101) |  |  | — |  |  | — |
Transmission cost recovery factor | — |  |  | — |  |  | — |  |  | (2,052) |
| (8,316) |  |  | (5,419) |  |  | — |  |  | (2,052) |
Non-Current: |  |  |  |  |  |  |
Cost of removal | (294,193) |  |  | (284,695) |  |  | (73,029) |  |  | (59,613) |
Deferred income taxes | (321,976) |  |  | (343,844) |  |  | (107,250) |  |  | (119,695) |
PVNGS ARO | (1,215) |  |  | (5,394) |  |  | — |  |  | — |
Renewable energy tax benefits | (16,756) |  |  | (17,912) |  |  | — |  |  | — |
Accelerated depreciation SNCRs(3) | (16,331) |  |  | (12,045) |  |  | — |  |  | — |
Pension and OPEB | (2,376) |  |  | — |  |  | (6,099) |  |  | (5,535) |
COVID-19 cost savings | (900) |  |  | (900) |  |  | — |  |  | — |
Other | (83) |  |  | (83) |  |  | (1,185) |  |  | (512) |
| (653,830) |  |  | (664,873) |  |  | (187,563) |  |  | (185,355) |
Total regulatory liabilities | $ | (662,146) |  |  | $ | (670,292) |  |  | $ | (187,563) |  |  | $ | (187,407) |
(1) Includes $9.3 million in coal mine reclamation costs related to PNM’s planned retirement of SJGS in 2022 and recoverable under the ETA as described in Note 16 (2) Includes $2.2 million for certain PNM pension costs as described in Note 11 (3) Amounts to be included under the ETA

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