Power plants in the Portland General Electric balancing area
The Portland General Electric balancing area takes in 102 power plants with 4,224 MW of nameplate capacity, the 32nd-largest of the 40 areas covered here. Its plants sit in two states, with Oregon holding 94% of the capacity. Natural gas makes up 50% of the mix, and the largest plant is Beaver (611 MW). Since 2020, 672 MW has come online here, 73% of it battery storage.
- Natural gas2,115 MW50%
- Wind716 MW17%
- Hydroelectric694 MW16%
- Battery storage493 MW12%
- Solar203 MW4.8%
- Biomass and waste2.8 MW0.1%
Capacity by decade it came online
Natural gasHydroelectricWindSolarBattery storageBiomass and waste
Above the line: capacity operating in 2025. Below: capacity retired at plants that still run.
The 25 largest plants in the area
| Rank | Plant | State | Runs on | Capacity | First unit |
|---|---|---|---|---|---|
| 1 | Beaver | Oregon | Natural gas | 611 MW | 1974 |
| 2 | Carty Generating Station | Oregon | Natural gas | 500 MW | 2016 |
| 3 | Port Westward | Oregon | Natural gas | 483 MW | 2007 |
| 4 | Biglow Canyon Wind Farm | Oregon | Wind | 450 MW | 2007 |
| 5 | Round Butte | Oregon | Hydroelectric | 372 MW | 1964 |
| 6 | Coyote Springs | Oregon | Natural gas | 296 MW | 1995 |
| 7 | Tucannon River Wind Farm | Washington | Wind | 267 MW | 2014 |
| 8 | Port Westward Unit 2 | Oregon | Natural gas | 226 MW | 2014 |
| 9 | Seaside BESS | Oregon | Battery storage | 200 MW | 2025 |
| 10 | Sundial (Troutdale) BESS | Oregon | Battery storage | 200 MW | 2024 |
| 11 | Pelton | Oregon | Hydroelectric | 110 MW | 1957 |
| 12 | Constable BESS | Oregon | Battery storage | 75 MW | 2024 |
| 13 | Oak Grove | Oregon | Hydroelectric | 51 MW | 1924 |
| 14 | North Fork | Oregon | Hydroelectric | 40.8 MW | 1958 |
| 15 | Faraday | Oregon | Hydroelectric | 37.2 MW | 1958 |
| 16 | PHP 1 | Oregon | Hydroelectric | 23.7 MW | 1982 |
| 17 | River Mill | Oregon | Hydroelectric | 18.8 MW | 1911 |
| 18 | Coffee Creek BESS | Oregon | Battery storage | 17 MW | 2024 |
| 19 | Sullivan | Oregon | Hydroelectric | 15.4 MW | 1924 |
| 20 | Stone Creek | Oregon | Hydroelectric | 12 MW | 1994 |
| 21 | PHP 2 | Oregon | Hydroelectric | 11.8 MW | 1982 |
| 22 | Brightwood Solar, LLC | Oregon | Solar | 10 MW | 2021 |
| 23 | Duus Solar, LLC | Oregon | Solar | 10 MW | 2020 |
| 24 | Firwood Solar, LLC | Oregon | Solar | 10 MW | 2020 |
| 25 | Butler Solar, LLC | Oregon | Solar | 4 MW | 2021 |
States
| State | Plants | Capacity |
|---|---|---|
| Oregon | 101 | 3,958 MW |
| Washington | 1 | 267 MW |
Operators with the most capacity
| Operator | Plants | Capacity |
|---|---|---|
| Portland General Electric Co | 19 | 3,772 MW |
| Troutdale Grid, LLC | 1 | 200 MW |
| SunStrong Management | 14 | 38.6 MW |
| City of Portland (OR) | 2 | 35.5 MW |
| Adapture Renewables, Inc. | 10 | 27.2 MW |
| Cardinal Renewables | 2 | 20 MW |
| Thor Solar 1 CEI, LLC | 7 | 16 MW |
| Neighborhood Power Corp. | 7 | 15 MW |
| SolRiver Capital LLC | 4 | 12.9 MW |
| Eugene Water & Electric Board | 1 | 12 MW |