Largest power plants in Oregon
The 50 largest power plants in Oregon by nameplate capacity, from EIA-860M for August 2026, with 2025 net generation from EIA-923.
Plants
50
Nameplate capacity
15,075 MW
Net generation, 2025
57.9 TWh
49 of 50 plants reported
Top 50 by nameplate capacity
| # | Plant | MW | GWh, 2025 | Capacity factor |
|---|---|---|---|---|
| 1 | John DaySherman County · Hydro | 1,485 | 7,589 | 40.1% |
| 2 | The DallesWasco County · Hydro | 1,206 | 5,933 | 37.2% |
| 3 | BonnevilleMultnomah County · Hydro | 980 | 3,722 | 36.6% |
| 4 | McNaryUmatilla County · Hydro | 851 | 4,016 | 46.3% |
| 5 | Hermiston Power PartnershipUmatilla County · Natural gas | 689 | 2,989 | 49.5% |
| 6 | Hermiston Generating PlantUmatilla County · Natural gas | 621 | 2,998 | 55.1% |
| 7 | BeaverColumbia County · Natural gas | 611 | 1,904 | 35.6% |
| 8 | Klamath Cogeneration PlantKlamath County · Natural gas | 502 | 3,104 | 70.7% |
| 9 | Carty Generating StationMorrow County · Natural gas | 500 | 3,159 | 72.1% |
| 10 | Port WestwardColumbia County · Natural gas | 483 | 3,265 | 77.2% |
| 11 | Biglow Canyon Wind FarmSherman County · Wind | 450 | 901 | 22.9% |
| 12 | Hells CanyonWallowa County · Hydro | 411 | 2,025 | 56.2% |
| 13 | Round ButteJefferson County · Hydro | 373 | 772 | 23.7% |
| 14 | Klondike Windpower IIISherman County · Wind | 298 | 707 | 27.1% |
| 15 | Coyote SpringsMorrow County · Natural gas | 296 | 2,012 | 77.6% |
| 16 | South Hurlburt Wind LLCGilliam County · Wind | 290 | 564 | 22.2% |
| 17 | Horseshoe Bend Wind LLCGilliam County · Wind | 290 | 592 | 23.3% |
| 18 | Coyote Springs IIMorrow County · Natural gas | 287 | 2,160 | 85.9% |
| 19 | Wheatridge HybridMorrow County · Wind | 280 | 668 | 31.1% |
| 20 | North Hurlburt Wind LLCGilliam County · Wind | 265 | 517 | 22.3% |
| 21 | Port Westward Unit 2Columbia County · Natural gas | 226 | 1,117 | 56.5% |
| 22 | Golden Hill WindSherman County · Wind | 201 | 611 | 34.6% |
| 23 | Montague Wind Power Facility LLCGilliam County · Wind | 200 | 483 | 27.6% |
| 24 | Wheatridge East WindMorrow County · Wind | 200 | 270* | – |
| 25 | Seaside BESSMultnomah County · Battery storage | 200 | −10.6* | – |
| 26 | Sundial (Troutdale) BESSMultnomah County · Battery storage | 200 | −33.4 | – |
| 27 | Leaning Juniper Wind Power IIGilliam County · Wind | 199 | 296 | 17.0% |
| 28 | Oxbow (OR)Baker County · Hydro | 190 | 990 | 59.5% |
| 29 | Montague SolarGilliam County · Solar | 162 | 379 | 26.7% |
| 30 | Daybreak SolarWasco County · Solar | 152 | 315* | – |
| 31 | FPL Energy Vansycle LLC (OR)Umatilla County · Wind | 123 | 225 | 20.9% |
| 32 | Lookout PointLane County · Hydro | 120 | 227 | 21.6% |
| 33 | Tower Solar, LLCMorrow County · Solar | 120 | – | – |
| 34 | Klamath Expansion ProjectKlamath County · Natural gas | 118 | 9.2 | 0.9% |
| 35 | Leaning JuniperGilliam County · Wind | 110 | 270 | 27.9% |
| 36 | PeltonJefferson County · Hydro | 110 | 400 | 41.6% |
| 37 | Wheat Field Wind Power ProjectGilliam County · Wind | 103 | 198 | 21.9% |
| 38 | Arlington Wind Power ProjectGilliam County · Wind | 103 | 199 | 22.1% |
| 39 | Vansycle II Wind Energy CenterUmatilla County · Wind | 102 | 320 | 35.7% |
| 40 | Hay Canyon Wind Power LLCSherman County · Wind | 101 | 172 | 19.5% |
| 41 | Elkhorn Valley Wind FarmUnion County · Wind | 101 | 306 | 34.7% |
| 42 | DetroitMarion County · Hydro | 100 | 227 | 25.9% |
| 43 | Wheatridge 1Morrow County · Wind | 100 | 250 | 28.6% |
| 44 | Pebble Springs Wind LLCGilliam County · Wind | 99 | 194 | 22.5% |
| 45 | Star Point Wind Project LLCSherman County · Wind | 99 | 201 | 23.3% |
| 46 | Green PeterLinn County · Hydro | 80 | 116 | 16.5% |
| 47 | Klondike Windpower IISherman County · Wind | 75 | 236 | 35.9% |
| 48 | Constable BESSWashington County · Battery storage | 75 | −10.8 | – |
| 49 | Willow Creek Energy CenterMorrow County · Wind | 72 | 158 | 25.0% |
| 50 | Millican Solar Energy LLCCrook County · Solar | 70 | 143 | 23.3% |
* Fewer than 12 months of 2025 reported, so the total is partial.
MW is the nameplate capacity of operating generators and batteries. Source: EIA-860M August 2026, published 2026-09-24, and EIA-923 2025. Page updated 2026-10-04. Data sources