Bonneville Power Administration
Balancing Authority Summary Information
Bonneville Power Administration is ranked #16 out of 64 balancing authorities in terms of total annual electricity generation.
| Balancing Authority | Bonneville Power Administration |
|---|---|
| States | Idaho Montana Oregon Washington Wyoming |
| Last Update | Jul 2026 |
| Annual Generation | 91.6 TWh |
| Power Plants | 167 |
| Utilities | 105 |
| Ranked #16 out of 64 in terms of net annual generation | |
| Ranked #1 out of 47 in terms of annual generation from water | |
| Power Plant Types | Water | 76% Nuclear | 10.7% Wind | 7.8% Natural Gas | 3.6% Other Fuel | 1.2% Solar | 0.6% |
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Daily Net Generation for Bonneville Power Administration for the past 3 Years
| Plant Name | Utility | Location | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|
| Cartwright Solar I | Cartwright Solar I LLC | Powell Butte, OR | 15 GWh | - | May 2026 | Solar |
| Russell D Smith | Columbia Basin Hydropower | Othello, WA | 14 GWh | Aug 1982 | Oct 2025 | Water |
| Finley Buttes Landfill Gas | Finley BioEnergy LLC | Boardman, OR | 13 GWh | Nov 2007 | Dec 2025 | Landfill Gas |
| Youngs Creek Hydroelectric Project | PUD No 1 of Snohomish County - (WA) | Monroe, WA | 13 GWh | Oct 2011 | Dec 2025 | Water |
| Darrington | Hampton Lumber Mills - Washington Inc | Darrington, WA | 12 GWh | Jan 2007 | Dec 2025 | Wood/Wood Waste Solids |
| Island Park | Fall River Rural Elec Coop Inc | Island Park, ID | 10 GWh | Mar 1994 | Dec 2025 | Water |
| Outback Solar At Christmas Valley | Outback Solar, LLC | Christmas Valley, OR | 9 GWh | Sep 2012 | Dec 2025 | Solar |
| Strawberry Creek | Lower Valley Energy Inc | Bedford, WY | 9 GWh | Jul 1940 | Dec 2025 | Water |
| Port Townsend Paper | Port Townsend Paper Co | Port Townsend, WA | 8 GWh | Dec 1928 | Dec 2025 | Black Liquor : 48.8% Wood/Wood Waste Solids : 40.5% Natural Gas : 9.0% Waste/Other Oil : 1.6% |
| Eltopia Branch Canal 4.6 | Columbia Basin Hydropower | Pasco, WA | 8 GWh | Apr 1983 | Oct 2025 | Water |
| Chester Diversion Hydroelectric Project | Fall River Rural Elec Coop Inc | Chester, ID | 7 GWh | Apr 2014 | May 2026 | Water |
| Twin Reservoirs | City of Walla Walla - (WA) | Walla Walla, WA | 7 GWh | Mar 1988 | Dec 2025 | Water |
| Green Solar LLC (CSG) | SolRiver Capital LLC | Culver, OR | 6 GWh | Jun 2024 | Dec 2025 | Solar |
| Swift Creek | Lower Valley Energy Inc | Afton, WY | 6 GWh | Mar 2009 | Dec 2025 | Water |
| Lilliwaup Falls Generating | William G. Reed Jr | Lilliwaup, WA | 5 GWh | Apr 1986 | Dec 2025 | Water |
| Marble Solar LLC (CSG) | SolRiver Capital LLC | Albany, OR | 5 GWh | Nov 2024 | Dec 2025 | Solar |
| Horn Rapids Solar, Storage and Training | Energy Northwest | Richland, WA | 5 GWh | Sep 2020 | Dec 2025 | Solar |
| Potholes East Canal 66.0 | Columbia Basin Hydropower | Pasco, WA | 3 GWh | Feb 1985 | Oct 2025 | Water |
| Skookumchuck | TransAlta Centralia Gen LLC | Tenino, WA | 2 GWh | Aug 1990 | Apr 2025 | Water |
| Arlington Microgrid | PUD No 1 of Snohomish County - (WA) | Arlington, WA | 601 MWh | May 2019 | Dec 2025 | Solar |
| Univ of Oregon Central Power Station | University of Oregon | Eugene, OR | 567 MWh | Aug 2009 | Dec 2025 | Natural Gas : 72.4% Distillate Fuel Oil : 27.6% |
| Rocky Brook Hydroelectric | Rocky Brook Electric Inc | Brinnon, WA | 464 MWh | Nov 1985 | May 2025 | Water |
| PaTu Wind Farm LLC | PaTu Wind Farm LLC | Wasco, OR | 108 MWh | Nov 2010 | Dec 2025 | Wind |
Surrounding Balancing Authorities
| Rank | Balancing Authority | Annual Net Generation | # Power Plants |
|---|---|---|---|
| #45 | Avangrid Renewables, LLC | 8.7 TWh | 19 |
| #43 | Avista Corporation | 9.1 TWh | 33 |
| #56 | City of Tacoma, Department of Public Utilities, Light Division | 2.4 TWh | 9 |
| #33 | Gridforce Energy Management, LLC | 16.5 TWh | 1 |
| #44 | PacifiCorp West | 9.1 TWh | 140 |
| #47 | Portland General Electric Company | 6.9 TWh | 109 |
| #42 | Public Utility District No. 1 of Chelan County | 9.4 TWh | 4 |
| #39 | Public Utility District No. 2 of Grant County, Washington | 10.5 TWh | 5 |
| #52 | Puget Sound Energy, Inc. | 4.4 TWh | 40 |
| #48 | Seattle City Light | 6.7 TWh | 9 |
Balancing Authorities with Similar Net Generation
| Rank | Balancing Authority | Annual Net Generation | # Power Plants |
|---|---|---|---|
| #9 | Tennessee Valley Authority | 163.4 TWh | 207 |
| #10 | Florida Power & Light Co. | 152.2 TWh | 187 |
| #12 | New York Independent System Operator | 134.3 TWh | 1,299 |
| #13 | Duke Energy Carolinas | 112.6 TWh | 577 |
| #15 | ISO New England | 111.1 TWh | 1,629 |
| #16 | Bonneville Power Administration | 91.6 TWh | 167 |
| #17 | Duke Energy Progress East | 64.5 TWh | 565 |
| #18 | PacifiCorp East | 60.9 TWh | 222 |
| #19 | Salt River Project Agricultural Improvement and Power District | 60.3 TWh | 49 |
| #20 | Duke Energy Florida, Inc. | 47.4 TWh | 100 |