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483 MW Natural Gas operating in Columbia, OR — Portland General Electric Company
483 MW
Nameplate Capacity
2
Generators
units
Natural Gas Fired Combined Cycle
Technology
2007
Operating Since
Coordinates
46.1789, -123.1720
County
Columbia, OR
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Portland General Electric Co | Portland General Electric | — |
| Owner(s) | Portland General Electric Co | Portland General Electric | — |
| Status | Operating | — | — |
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
Grid Region
Pacific Northwest
Market
WEIM Participant
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
292.3K MWh
Latest Month
3.3M MWh
Annual Generation
77.1%
Capacity Factor
CO₂ Intensity
819 lb/MWh
NOx
0.056 lb/MWh
SO₂
Combined cycle · Portland General Electric Company · Data from 2015–2024
$621/kW
Installed Cost
$30.0/MWh
Operating Cost
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
Market Position
LMP Node
PWP1_2_GNODESTG
Pricing Hub
—
Last updated 2026-03-26
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ask pi about Port WestwardPortland General Electric Company (PGE)
Grid Voltage
230.0 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility
0.004 lb/MWh
CH₄
0.015 lb/MWh
N₂O
0.002 lb/MWh
Capacity Factor
72.5%
Annual Net Gen
3068 GWh
CO₂eq
819 lb/MWh
Subregion
WECC Northwest