gridprims

Power plant · EIA plant code 56227

Port Westward

Operator
Portland General Electric Co
Location
Columbia, OR (county level only)
Balancing authority
Portland General Electric Company (PGE)
Nameplate capacity
483 MW
Summer capacity
392.2 MW

U.S. Energy Information Administration · Annual Electric Generator Report (Form EIA-860) · data for 2025 · as of Sep 10, 2026 · retrieved Oct 31, 2026 · CC-BY-4.0

Generation in 2025

Net generation
3,264,822 MWh
Capacity factor
77.2%

Capacity factor is net generation divided by nameplate capacity times the hours each generator was in service that year, counted by month.

U.S. Energy Information Administration · Power Plant Operations Report (Form EIA-923) · data for 2025 · as of Sep 11, 2026 · retrieved Oct 31, 2026 · CC-BY-4.0

Emissions

Carbon dioxide in 2023
1,138,957 metric tons
Carbon dioxide per MWh
819 lb/MWh

eGRID reports 1,255,485 short tons. One short ton is 0.90718474 metric tons.

Emissions are for 2023, the newest eGRID year. Generation is for 2025, the newest EIA-923 year.

U.S. Environmental Protection Agency · Emissions & Generation Resource Integrated Database (eGRID) · data for 2023 · as of Jun 16, 2025 · retrieved Oct 31, 2026 · CC-BY-4.0

Generators

Generators at Port Westward
GeneratorTechnologyEnergy sourceNameplateOperating sinceStatus
1Natural Gas Fired Combined CycleNG312 MW2007Operable · As of September 2026 (EIA-860M): (OP) Operating
2Natural Gas Fired Combined CycleNG171 MW2007Operable · As of September 2026 (EIA-860M): (OP) Operating

U.S. Energy Information Administration · Monthly Update to the Annual Electric Generator Report (Form EIA-860M) · data for 2026-09 · as of Oct 23, 2026 · retrieved Oct 31, 2026 · CC-BY-4.0

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