Revenue Recognition (Tables)

3 Months Ended

Mar. 31, 2021

Revenue from Contract with Customer [Abstract]

Schedule of sales to members

Sales to members for the three months ended March 31, 2021 and 2020 were as follows:

	Three Months Ended March 31,
	(dollars in thousands)
	2021			2020
Capacity revenues	$	255,824		$	259,393
Energy revenues	120,448			82,120
Total	$	376,272		$	341,513
Member energy requirements supplied	55		%	50		%