Related Party Transactions (Tables)

3 Months Ended

Mar. 31, 2020

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 Ended
	March 31,
	2020		2019
	(In thousands)
Services billings:
PNMR to PNM	$	22,123	$	26,826
PNMR to TNMP	8,727		10,058
PNM to TNMP	76		75
TNMP to PNMR	35		35
PNMR to NMRD	76		41
Renewable energy purchases:
PNM from NMRD	1,519		625
Interconnection billings:
PNM to NMRD	220		—
PNM to PNMR	—		—
Interest billings:
PNMR to PNM	—		933
PNM to PNMR	81		72
PNMR to TNMP	1		32
Income tax sharing payments:
PNMR to PNM	—		—
TNMP to PNMR	—		—