Port Westward Unit 2
Natural gas power plant in Columbia County, Oregon. 225.6 MW of nameplate capacity across 12 generators, operated by Portland General Electric Co.
Also known as EIA plant 58266
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 225.6 MWNameplate
- Generators
- 12 operatingEIA-860M, August 2026
- Operating since
- December 2014First generator online
- Operator
- Portland General Electric CoEIA operator ID 15248
- Grid
- PGEBalancing authority PGE
- Price nodes
- None linkedNo verified ISO node
- Location
- Columbia County, OR46.1789, −123.1719
- EIA plant ID
- 58266EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Port Westward Unit 2 produces
Free · EIA-923Net generation, 2025
1.12 TWh
1,117,291 MWh, final
Capacity factor, 2025
56.5%
2024: 57.8%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
0.1–1.2
TWh a year. Low 2018, high 2023
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | Not reported | Not reported | 0 of 12 |
| 2001 | Not reported | Not reported | 0 of 12 |
| 2002 | Not reported | Not reported | 0 of 12 |
| 2003 | Not reported | Not reported | 0 of 12 |
| 2004 | Not reported | Not reported | 0 of 12 |
| 2005 | Not reported | Not reported | 0 of 12 |
| 2006 | Not reported | Not reported | 0 of 12 |
| 2007 | Not reported | Not reported | 0 of 12 |
| 2008 | Not reported | Not reported | 0 of 12 |
| 2009 | Not reported | Not reported | 0 of 12 |
| 2010 | Not reported | Not reported | 0 of 12 |
| 2011 | Not reported | Not reported | 0 of 12 |
| 2012 | Not reported | Not reported | 0 of 12 |
| 2013 | Not reported | Not reported | 0 of 12 |
| 2014 | Not reported | Not reported | 0 of 12 |
| 2015 | 344,871 | Not reported | 12 of 12 |
| 2016 | 146,365 | 7.4% | 12 of 12 |
| 2017 | 164,440 | 8.3% | 12 of 12 |
| 2018 | 110,418 | 5.6% | 12 of 12 |
| 2019 | 360,693 | 18.3% | 12 of 12 |
| 2020 | 449,029 | 22.7% | 12 of 12 |
| 2021 | 825,327 | 41.8% | 12 of 12 |
| 2022 | 694,770 | 35.2% | 12 of 12 |
| 2023 | 1,172,401 | 59.3% | 12 of 12 |
| 2024 | 1,146,054 | 57.8% | 12 of 12 |
| 2025 | 1,117,291 | 56.5% | 12 of 12 |
| 2026 (provisional, partial year) | Not reported | Not reported | 0 of 7 |
* 2026 covers January to July and is provisional. Capacity factor is net generation divided by nameplate capacity times the hours of each reported month.
Power prices and basis
Free accountNo verified ISO price node is linked to this plant, or its price history could not load.
Emissions
Free · EPA CAMPDNo EPA emissions units are linked to this plant.
Water use
Free · EIA-923 cooling, USGSNo EIA cooling-water record for this plant in 2024.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| 1 | Natural Gas Internal Combustion Engine | 18.8 | December 2014 |
| 2 | Natural Gas Internal Combustion Engine | 18.8 | December 2014 |
| 3 | Natural Gas Internal Combustion Engine | 18.8 | December 2014 |
| 4 | Natural Gas Internal Combustion Engine | 18.8 | December 2014 |
| 5 | Natural Gas Internal Combustion Engine | 18.8 | December 2014 |
| 6 | Natural Gas Internal Combustion Engine | 18.8 | December 2014 |
| 7 | Natural Gas Internal Combustion Engine | 18.8 | December 2014 |
| 8 | Natural Gas Internal Combustion Engine | 18.8 | December 2014 |
| 9 | Natural Gas Internal Combustion Engine | 18.8 | January 2015 |
| 10 | Natural Gas Internal Combustion Engine | 18.8 | December 2014 |
| 11 | Natural Gas Internal Combustion Engine | 18.8 | December 2014 |
| 12 | Natural Gas Internal Combustion Engine | 18.8 | December 2014 |
Ownership and offtake
ProOwnership and offtake are part of Pro
Owners and their shares, parent companies, and power purchase agreements with their buyers. EIA-860M lists Portland General Electric Co as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
Generation potential vs reported
Monthly potential at seasonal net capability, next to EIA-923 output. Shows how much of the plant's capability was used.
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Power plants near Port Westward Unit 2
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Questions about Port Westward Unit 2
How much power does Port Westward Unit 2 produce?
Port Westward Unit 2 reported 1,117,291 MWh (1.12 TWh) of net generation in 2025, a 56.5% capacity factor on 225.6 MW of nameplate capacity.
Where is Port Westward Unit 2?
Port Westward Unit 2 is in Columbia County, Oregon, at 46.1789, −123.1719. It is in the Portland General Electric Company balancing area (PGE).
Who operates Port Westward Unit 2?
EIA-860M for August 2026 lists Portland General Electric Co as the operator (EIA operator ID 15248). The operator is not always the owner.
When did Port Westward Unit 2 start operating?
Its first generator began operating in December 2014, according to EIA-860M.
Sources
- EIA-860 2025 (final) and EIA-860M August 2026: plant, generators, capacity, operator and location
- EIA-923 monthly net generation, 2000 to July 2026 (2026 provisional)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page