Directory of Power Plants in Oregon
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Hills Creek | USACE Northwestern Division | Oakridge, OR | Bonneville Power Administration (BPAT) | 119.8 GWh | Jan 1962 | Dec 2024 | Water |
| Hells Canyon | Idaho Power Co | Oxbow, OR | Idaho Power Company (IPCO) | 1.9 TWh | Sep 1967 | Dec 2024 | Water |
| Hermiston Power Partnership | Hermiston Power Partnership | Hermiston, OR | Gridforce Energy Management, LLC (GRID) | 3.1 TWh | Jul 2002 | Oct 2025 | Natural Gas |
| Hermiston Generating Plant | Hermiston Generating Co LP | Hermiston, OR | PacifiCorp West (PACW) | 3.2 TWh | May 1996 | Oct 2025 | Natural Gas |
| Hyline Solar Center, LLC | Cypress Creek Renewables | Ontario, OR | Idaho Power Company (IPCO) | 19.7 GWh | Sep 2016 | Oct 2025 | Solar |
| Horseshoe Bend Wind LLC | Caithness Shepherds Flat LLC | Arlington, OR | Bonneville Power Administration (BPAT) | 566.1 GWh | Jun 2012 | Oct 2025 | Wind |
| Hay Canyon Wind Power LLC | Avangrid Power LLC | Wasco, OR | Avangrid Renewables, LLC (AVRN) | 179.8 GWh | Jan 2009 | Dec 2024 | Wind |
Browse Power Plants By Oregon Counties
Figures are based on October 2025 generation numbers.| County | State Rank | Active Plants | Oct 2025 Generation |
|---|---|---|---|
| Washington County, OR | # 30 | 6 | 6.6 GWh |
| Polk County, OR | # 29 | 8 | 7.1 GWh |
| Hood River County, OR | # 28 | 4 | 43.7 GWh |
| Lincoln County, OR | # 27 | 1 | 56.2 GWh |
| Yamhill County, OR | # 26 | 15 | 65.6 GWh |
| Benton County, OR | # 25 | 3 | 72.7 GWh |
| Deschutes County, OR | # 24 | 8 | 88.9 GWh |
| Harney County, OR | # 23 | 4 | 93.5 GWh |
| Clatsop County, OR | # 22 | 2 | 169.7 GWh |
| Lake County, OR | # 21 | 19 | 272.0 GWh |
| Union County, OR | # 20 | 2 | 282.9 GWh |
| Malheur County, OR | # 19 | 15 | 354.1 GWh |
| Crook County, OR | # 18 | 5 | 364.1 GWh |
| Marion County, OR | # 17 | 30 | 434.3 GWh |
| Linn County, OR | # 16 | 8 | 502.3 GWh |
| County | State Rank | Active Plants | Oct 2025 Generation |
|---|---|---|---|
| Douglas County, OR | # 15 | 15 | 587.1 GWh |
| Lane County, OR | # 14 | 12 | 759.1 GWh |
| Jackson County, OR | # 13 | 14 | 801.1 GWh |
| Clackamas County, OR | # 12 | 37 | 866.0 GWh |
| Baker County, OR | # 11 | 9 | 1.1 TWh |
| Jefferson County, OR | # 10 | 10 | 1.3 TWh |
| Wallowa County, OR | # 9 | 2 | 1.9 TWh |
| Klamath County, OR | # 8 | 24 | 3.5 TWh |
| Multnomah County, OR | # 7 | 7 | 3.6 TWh |
| Gilliam County, OR | # 6 | 12 | 3.9 TWh |
| Wasco County, OR | # 5 | 7 | 6.1 TWh |
| Columbia County, OR | # 4 | 3 | 6.2 TWh |
| Morrow County, OR | # 3 | 22 | 9.1 TWh |
| Sherman County, OR | # 2 | 12 | 10.2 TWh |
| Umatilla County, OR | # 1 | 17 | 11.0 TWh |