PacifiCorp West
Balancing Authority Summary Information
PacifiCorp West is ranked #50 out of 65 balancing authorities in terms of total annual electricity generation.
| Balancing Authority | PacifiCorp West |
|---|---|
| States | California Oregon Washington |
| Last Update | Dec 2025 |
| Annual Generation | 5.0 TWh |
| Power Plants | 136 |
| Utilities | 78 |
| Ranked #50 out of 65 in terms of net annual generation | |
| Ranked #25 out of 47 in terms of annual generation from water | |
| Power Plant Types | Water | 41.2% Wind | 32% Solar | 19.4% Other Fuel | 7.4% |
Map of PacifiCorp West
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Daily Net Generation for PacifiCorp West for the past 3 Years
| Plant Name | Utility | Location | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|
| Merwin | PacifiCorp | Ariel, WA | 467 GWh | Jun 1931 | Dec 2024 | Water |
| Yale | PacifiCorp | Amboy, WA | 488 GWh | Aug 1953 | Dec 2024 | Water |
| Marengo Wind Plant | PacifiCorp | Dayton, WA | 693 GWh | Jul 2007 | Dec 2024 | Wind |
| Hermiston Generating Plant | Hermiston Generating Co LP | Hermiston, OR | 3 TWh | May 1996 | Sep 2025 | Natural Gas |
Surrounding Balancing Authorities
| Rank | Balancing Authority | Annual Net Generation | # Power Plants |
|---|---|---|---|
| #42 | Avangrid Renewables, LLC | 8.3 TWh | 19 |
| #16 | Bonneville Power Administration | 80.6 TWh | 163 |
| #57 | City of Tacoma, Department of Public Utilities, Light Division | 2.1 TWh | 9 |
| #33 | Gridforce Energy Management, LLC | 18.2 TWh | 1 |
| #34 | Idaho Power Company | 15.3 TWh | 168 |
| #44 | Portland General Electric Company | 8.2 TWh | 108 |
| #45 | Public Utility District No. 1 of Chelan County | 7.7 TWh | 4 |
| #41 | Public Utility District No. 2 of Grant County, Washington | 8.5 TWh | 5 |
| #48 | Puget Sound Energy, Inc. | 6.1 TWh | 40 |
| #51 | Seattle City Light | 4.6 TWh | 9 |
Balancing Authorities with Similar Net Generation
| Rank | Balancing Authority | Annual Net Generation | # Power Plants |
|---|---|---|---|
| #45 | Public Utility District No. 1 of Chelan County | 7.7 TWh | 4 |
| #46 | El Paso Electric Company | 6.8 TWh | 32 |
| #47 | Imperial Irrigation District | 6.4 TWh | 66 |
| #48 | Puget Sound Energy, Inc. | 6.1 TWh | 40 |
| #49 | Southwestern Power Administration | 5.1 TWh | 34 |
| #50 | PacifiCorp West | 5.0 TWh | 136 |
| #51 | Seattle City Light | 4.6 TWh | 9 |
| #52 | Duke Energy Progress West | 4.3 TWh | 10 |
| #53 | PUD No. 1 of Douglas County | 3.7 TWh | 3 |
| #54 | Arlington Valley, LLC | 3.4 TWh | 1 |