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Related Party Transactions (Tables)
9 Months Ended
Sep. 30, 2023
Related Party Transactions [Abstract]  
Schedule of Related Party Transactions The table below summarizes the nature and amount of related party transactions of PNMR, PNM, TNMP, and NMRD:
Three Months EndedNine Months Ended
September 30,September 30,
2023202220232022
(In thousands)
Services billings:
PNMR to PNM$29,509 $26,281 $90,151 $82,352 
PNMR to TNMP10,976 9,554 34,703 30,110 
PNM to TNMP100 107 269 322 
TNMP to PNMR35 35 106 106 
PNMR to NMRD71 81 235 226 
Renewable energy purchases:
PNM from NMRD3,652 3,221 9,761 9,642 
Interconnection and facility study billings:
PNM to NMRD— — — — 
PNM to PNMR— — — — 
NMRD to PNM— — — — 
Interest billings:
PNMR to PNM18 13 
PNM to PNMR153 73 426 143 
PNMR to TNMP117 50 128 166 
Income tax sharing payments:
PNMR to PNM— — — — 
TNMP to PNMR— — — —