Jointly-owned Plant (Tables)

12 Months Ended

Dec. 31, 2021

Jointly-owned Plant [Abstract]

Schedule of Jointly Owned Utility Plants [Table Text Block]

As of December 31, 2021, PGE had the following investments in jointly-owned plant (dollars in millions):

	PGE Share		In-service Date			Plant In-service		Accumulated Depreciation (1)		Construction Work In Progress
Colstrip	20.00	%	1986			$	576	$	399	$	7
Pelton/Round Butte (2)	66.67	%	1958	/	1964	274		87		10
Total						$	850	$	486	$	17

(1) Excludes AROs and accumulated asset retirement removal costs.

(2) For more information regarding changes to PGE’s ownership share in the Pelton/Round Butte Project in 2022, see Note 20, Subsequent Events.