Jointly-owned Plant

12 Months Ended

Dec. 31, 2022

Jointly-owned Plant [Abstract]

Jointly-owned Plant [Text Block]

JOINTLY-OWNED PLANT

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.

Under the respective joint operating agreements for the generating facilities, each participating owner is responsible for financing its share of capital and operating expenses. PGE’s proportionate share of direct operating and maintenance expenses of the facilities is included in the corresponding operating and maintenance expense categories in the consolidated statements of income.

The Company operated, and continues to have a 90% ownership interest in Boardman, which ceased coal-fired operations during 2020. The Company has begun decommissioning the facility. As of December 31, 2022, PGE’s ARO liability for its 90% share of the decommissioning costs was $13 million.