Mint Farm Generating Station

Mint Farm Generating Station is a 319 MW natural gas power plant in Cowlitz County, Washington, operated by Puget Sound Energy Inc. EIA-860M lists 2 generating units here. Its units entered service in 2008.

As of 2026-07 (inventory dated 2026-07-31) · EIA-860M Preliminary Monthly Electric Generator Inventory · eia.gov/…/july_generator2026.xlsx · eia.gov/…/eia860m

Nameplate capacity
319 MW
270 MW net summer
Generating units
2
In service
2008
EIA plant ID
55700

Where it is

Loading map…
County
Cowlitz County, Washington
Coordinates
46.1388, -122.9855
Balancing authority
PSEI
Sector
Electric Utility

Units, technology and status

Operator of record
Puget Sound Energy Inc
Primary energy source
Natural gas
Technologies
Natural Gas Fired Combined Cycle
Status
Operating

Every plant Puget Sound Energy Inc reports to EIA →

Mint Farm Generating Station: FAQ

Where is Mint Farm Generating Station?
In Cowlitz County, Washington (WA). The map on this page is placed at the coordinates EIA files for the plant, which locate the site rather than any individual unit.
How big is Mint Farm Generating Station?
319 MW of nameplate capacity across 2 units, as of the EIA-860M release for 2026-07.
Who owns Mint Farm Generating Station?
EIA-860M names Puget Sound Energy Inc as the reporting entity. That is the operator of record on the survey, which is not always the ultimate owner.
Is this the same as Mint Farm Generating Station LLC?
Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Puget Sound Energy Inc here — not the project company that holds the asset. Project companies are commonly registered as an LLC carrying the plant's name, so a search for "Mint Farm Generating Station LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
Is Mint Farm Generating Station still running?
EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.