Port Westward — Plant Summary
- EIA Plant ID
- 56227
- Capacity
- 483 MW
- Primary Fuel
- Natural Gas
- Technology
- Natural Gas Fired Combined Cycle
- Status
- Operating
- Location
- Columbia, OR
- Operating Since
- 2007
- Generators
- 2
- Operator
- Portland General Electric Co
- Parent Company
- Portland General Electric
- Annual Generation
- 3,264,822 MWh
- Capacity Factor
- 77.1%
- Balancing Authority
- Portland General Electric Company
- ISO/RTO
- —
- NERC Region
- WECC
Port Westward
OperatingNatural Gas
Ranked #6 of 13 Natural Gas plants in OR#496 of 2009 nationally
483 MW Natural Gas operating in Columbia, OR — Portland General Electric Company
EIAWD
483 MW
Nameplate Capacity
2
Generators
units
Natural Gas Fired Combined Cycle
Technology
2007
Operating Since
Location
Coordinates
46.1789, -123.1720
County
Columbia, OR
Nearby Plants
- Port Westward Unit 2Natural Gas225.6 MW · 0.0 km
- BeaverNatural Gas610.7 MW · 0.7 km
- Nippon Dynawave Packaging Longview WABlack Liquor62.4 MW · 16.5 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Portland General Electric Co | Portland General Electric | — |
| Owner(s) | Portland General Electric Co | Portland General Electric | — |
| Status | Operating | — | — |
Ownership Chain
About
Port Westward is a 483 MW natural gas-fired combined cycle power plant located in Columbia County, Oregon. The plant began operating in 2007 and consists of two generators. It is owned and operated by Portland General Electric (PGE). Port Westward is the 6th largest power plant in Oregon out of 10, and ranks 500th nationally out of 945 plants.
The plant's latest annual generation was 3,264,822 MWh, achieving a capacity factor of 77.1%. The installed cost was $552.31 per kW, according to FERC data. Port Westward operates within the Western Electricity Coordinating Council (WECC) NERC region, and its balancing authority is Portland General Electric Company.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
WECC
Balancing Authority
Portland General Electric Company
Grid Voltage
230 kV
Regulatory Status
RE
Entity Type
Investor-Owned Utility
Sector
Electric Utility
Generation
292.3K MWh
Latest Month
3.3M MWh
Annual Generation
77.1%
Capacity Factor
Jan 2023 – Dec 2025
Financial DataBeta
Source: FERC Form 1HIGH
$621/kW
Installed Cost
$30.0/MWh
Operating Cost
Portland General Electric Company
Reporting Utility
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
Pricing & Market Data
Market Position
LMP Node
PWP1_2_GNODESTG
Pricing Hub
—
News & Articles (10)Beta
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Utility Portland General Electric finalises agreements for 1GW renewables and BESS
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NXTClean Fuels selects Topsoe tech for Oregon biofuels plant
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Last updated 2026-03-26
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