Grays Harbor Energy Facility — Plant Summary
- EIA Plant ID
- 7999
- Capacity
- 714.9 MW
- Primary Fuel
- Natural Gas
- Technology
- Natural Gas Fired Combined Cycle
- Status
- Operating
- Location
- Grays Harbor, WA
- Operating Since
- 2008
- Generators
- 3
- Operator
- Invenergy Services LLC
- Parent Company
- Invenergy
- Annual Generation
- 3,649,445 MWh
- Capacity Factor
- 58.3%
- Balancing Authority
- Bonneville Power Administration
- ISO/RTO
- —
- NERC Region
- WECC
Grays Harbor Energy Facility
OperatingNatural Gas
Ranked #1 of 16 Natural Gas plants in WA#292 of 2009 nationally
714.9 MW Natural Gas operating in Grays Harbor, WA — Bonneville Power Administration
EIAWD
714.9 MW
Nameplate Capacity
3
Generators
units
Natural Gas Fired Combined Cycle
Technology
2008
Operating Since
Location
Coordinates
46.9692, -123.4800
County
Grays Harbor, WA
Nearby Plants
- Cosmo Specialty Fibers PlantWood Liquids15 MW · 21.4 km
- Sierra Pacific AberdeenWood Waste18 MW · 22.3 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Invenergy Services LLC | Invenergy Services | — |
| Owner(s) | Invenergy Services LLC | Invenergy | — |
| Status | Operating | — | — |
Ownership Chain
About
Grays Harbor Energy Facility is a 714.9 MW natural gas-fired combined cycle power plant located in Grays Harbor County, Washington. The plant, which began operating in 2008, is owned by Invenergy and operated by Invenergy Services LLC. It consists of three generators utilizing combined cycle technology. Grays Harbor Energy Facility operates within the Bonneville Power Administration balancing authority and the Western Electricity Coordinating Council (WECC) NERC region.
In the most recent year of reported data, the plant generated 3,649,445 MWh of electricity, achieving a capacity factor of 58.3%. Grays Harbor Energy Facility is ranked as the largest of 13 natural gas plants in the state of Washington, and 296th out of 945 natural gas plants nationally.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
WECC
Balancing Authority
Bonneville Power Administration
Grid Voltage
230 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Generation
225.1K MWh
Latest Month
3.6M MWh
Annual Generation
58.3%
Capacity Factor
Jan 2023 – Dec 2025
Financial Data
No financial data available for this plant.
Pricing & Market Data
This plant is outside organized wholesale electricity markets (ISOs/RTOs). Nodal pricing data is not available.
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Last updated 2026-03-14
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