Directory of Power Plants in Oregon
| County | State Rank | Active Plants | May 2025 Generation |
|---|
| Umatilla County, OR | # 1 | 17 | 12.4 TWh |
| Sherman County, OR | # 2 | 12 | 10.3 TWh |
| Morrow County, OR | # 3 | 22 | 8.9 TWh |
| Columbia County, OR | # 4 | 3 | 6.1 TWh |
| Wasco County, OR | # 5 | 7 | 6.0 TWh |
| Klamath County, OR | # 6 | 23 | 4.2 TWh |
| Gilliam County, OR | # 7 | 12 | 3.9 TWh |
| Multnomah County, OR | # 8 | 7 | 3.7 TWh |
| Wallowa County, OR | # 9 | 2 | 1.9 TWh |
| Jefferson County, OR | # 10 | 10 | 1.3 TWh |
| Baker County, OR | # 11 | 9 | 1.1 TWh |
| Clackamas County, OR | # 12 | 37 | 864.8 GWh |
| Lane County, OR | # 13 | 12 | 759.2 GWh |
| Jackson County, OR | # 14 | 14 | 723.5 GWh |
| Douglas County, OR | # 15 | 15 | 701.1 GWh |
| Linn County, OR | # 16 | 8 | 504.6 GWh |
| County | State Rank | Active Plants | May 2025 Generation |
|---|
| Marion County, OR | # 17 | 30 | 431.8 GWh |
| Crook County, OR | # 18 | 5 | 355.0 GWh |
| Malheur County, OR | # 19 | 15 | 353.6 GWh |
| Union County, OR | # 20 | 2 | 282.9 GWh |
| Lake County, OR | # 21 | 19 | 269.2 GWh |
| Clatsop County, OR | # 22 | 2 | 189.9 GWh |
| Deschutes County, OR | # 23 | 8 | 109.9 GWh |
| Harney County, OR | # 24 | 4 | 93.5 GWh |
| Benton County, OR | # 25 | 3 | 86.0 GWh |
| Yamhill County, OR | # 26 | 15 | 65.6 GWh |
| Lincoln County, OR | # 27 | 1 | 56.2 GWh |
| Hood River County, OR | # 28 | 4 | 43.7 GWh |
| Washington County, OR | # 29 | 6 | 10.9 GWh |
| Polk County, OR | # 30 | 7 | 7.8 GWh |
| Tillamook County, OR | # 31 | 2 | 629.0 MWh |
