Jointly-owned Plant (Tables)

12 Months Ended

Dec. 31, 2022

Jointly-owned Plant [Abstract]

Schedule of Jointly Owned Utility Plants [Table Text Block]

As of December 31, 2022, 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			$	571	$	421	$	—
Pelton/Round Butte (2)	50.01	%	1958	/	1964	210		69		12
Total						$	781	$	490	$	12

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

(2) PGE operates the Pelton/Round Butte Project and had a 66.67% ownership interest as of December 31, 2021. Effective January 1, 2022, PGE sold an additional 16.66% ownership interest to the party who holds the remaining ownership interest, resulting in PGE’s 50.01% ownership interest.