Grays Harbor Energy Facility

Grays Harbor Energy Facility is a 715 MW natural gas power plant in Grays Harbor County, Washington, operated by Invenergy Services LLC. EIA-860M lists 3 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
714.9 MW
595 MW net summer
Generating units
3
In service
2008
EIA plant ID
7999

Where it is

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County
Grays Harbor County, Washington
Coordinates
46.9692, -123.48
Balancing authority
BPAT
Sector
IPP Non-CHP

Units, technology and status

Operator of record
Invenergy Services LLC
Primary energy source
Natural gas
Technologies
Natural Gas Fired Combined Cycle
Status
Operating

Every plant Invenergy Services LLC reports to EIA →

Grays Harbor Energy Facility: FAQ

Where is Grays Harbor Energy Facility?
In Grays Harbor 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 Grays Harbor Energy Facility?
715 MW of nameplate capacity across 3 units, as of the EIA-860M release for 2026-07.
Who owns Grays Harbor Energy Facility?
EIA-860M names Invenergy Services LLC 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 Grays Harbor Energy Facility LLC?
Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Invenergy Services LLC 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 "Grays Harbor Energy Facility LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
Is Grays Harbor Energy Facility still running?
EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.