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Related Party Transactions (Tables) | 12 Months Ended
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Dec. 31, 2021
Related Party Transactions [Abstract] |
Schedule of Related Party Transactions | The table below summarizes the nature and amount of related party transactions of PNMR, PNM and TNMP:
| Year Ended December 31,
| 2021 |  | 2020 |  | 2019
|  |  | (In thousands) |  |
Services billings: |  |  |  |  |
PNMR to PNM | $ | 107,747 |  |  | $ | 100,872 |  |  | $ | 96,327 |
PNMR to TNMP | 41,798 |  |  | 39,053 |  |  | 36,554 |
PNM to TNMP | 404 |  |  | 383 |  |  | 375 |
TNMP to PNMR | 141 |  |  | 141 |  |  | 141 |
TNMP to PNM | — |  |  | — |  |  | — |
PNMR to NMRD | 221 |  |  | 260 |  |  | 238 |
Renewable energy purchases: |  |  |  |  |
PNM from NMRD | 11,879 |  |  | 9,638 |  |  | 3,124 |
Interconnection and facility study billings: |  |  |  |  |
PNM to NMRD | 225 |  |  | 350 |  |  | 650 |
PNM to PNMR | — |  |  | — |  |  | — |
PNMR to PNM | — |  |  | — |  |  | 68,820 |
NMRD to PNM | 1,276 |  |  | — |  |  | — |
Interest billings: |  |  |  |  |
PNMR to PNM | 31 |  |  | 6 |  |  | 3,365 |
PNM to PNMR | 144 |  |  | 255 |  |  | 299 |
PNMR to TNMP | — |  |  | 2 |  |  | 42 |
Income tax sharing payments: |  |  |  |  |
PNMR to TNMP | — |  |  | — |  |  | — |
PNMR to PNM | 19,492 |  |  | — |  |  | — |
PNM to PNMR | — |  |  | — |  |  | — |
TNMP to PNMR | 12,842 |  |  | 15,820 |  |  | 12,996 |

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- Definition Tabular disclosure of related party transactions. Examples of related party transactions include, but are not limited to, transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners and (d) affiliates. + References No definition available. + Details
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