Revenue Recognition (Tables)

9 Months Ended

Sep. 30, 2020

Revenue from Contract with Customer [Abstract]

Schedule of sales to members

Sales to members for the three and nine months ended September 30, 2020 and 2019 were as follows:

	Three Months Ended September 30,						Nine Months Ended September 30,
	(dollars in thousands)
	2020			2019			2020			2019
Capacity revenues	$	222,187		$	231,270		$	721,836		$	712,305
Energy revenues	143,750			151,278			316,382			385,449
Total	$	365,937		$	382,548		$	1,038,218		$	1,097,754
Member energy requirements supplied	60		%	57		%	57		%	56		%