Libby

OperatingHydro

Ranked #1 of 23 Hydro plants in MT#48 of 1454 nationally

525 MW Hydro operating in Lincoln, MT — Bonneville Power Administration

EIAGEMWD

525 MW

Nameplate Capacity

Generators

units

Conventional Hydroelectric

Technology

1975

Operating Since

Location

Coordinates

48.4098, -115.3143

County

Lincoln, MT

Ownership & Operator

Owner data does not fully agree across sources.

EIA typically reports the operating utility, while GEM resolves to the financial owner or parent corporation. Both can be correct.

Field	EIA	GEM	Wikidata
Operator	USACE Northwestern Division	US Army Corps of Engineers - Seattle District	United States Army Corps of Engineers
Owner(s)	USACE Northwestern Division	US Army Corps of Engineers - Seattle District [100%]	—
Status	Operating	operating	—

Ownership Chain

GEM identifies the owner as US Army Corps of Engineers - Seattle District [100%]

This entity is not yet in the GEM ownership database — chain unavailable.

About

Libby Dam is a concrete gravity dam in the northwestern United States, on the Kootenai River in northwestern Montana. Dedicated on August 24, 1975, it is west of the continental divide, seventeen miles (27 km) upstream from the town of Libby.

Read more on Wikipedia

The Libby hydroelectric plant, located in Lincoln County, Montana, has a total capacity of 525 MW across five generators. It began operating in 1975 and is owned and operated by the USACE Northwestern Division. The plant utilizes conventional hydroelectric technology and its primary fuel source is water (WAT). Libby is the largest of six hydroelectric plants in Montana, and ranks 48th out of 194 nationally.

In the most recent year with available data, the plant generated 1,890,551 MWh, achieving a capacity factor of 40.9%. The Libby plant operates within the Bonneville Power Administration balancing authority, and is part of the Western Electricity Coordinating Council (WECC) NERC region.

Generated from EIA, GEM, and public data sources