Bonneville Power Administration
Balancing Authority Summary Information
Bonneville Power Administration is ranked #16 out of 65 balancing authorities in terms of total annual electricity generation.
| Balancing Authority | Bonneville Power Administration |
|---|---|
| States | Idaho Montana Oregon Washington Wyoming |
| Last Update | Dec 2025 |
| Annual Generation | 80.6 TWh |
| Power Plants | 163 |
| Utilities | 101 |
| Ranked #16 out of 65 in terms of net annual generation | |
| Ranked #1 out of 47 in terms of annual generation from water | |
| Power Plant Types | Water | 73% Nuclear | 9.6% Wind | 7.8% Natural Gas | 7.5% Other Fuel | 1.5% Solar | 0.5% |
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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 |
|---|---|---|---|---|---|---|
| South Hurlburt Wind LLC | Caithness Shepherds Flat LLC | Arlington, OR | 552 GWh | Jun 2012 | Sep 2025 | Wind |
| Horseshoe Bend Wind LLC | Caithness Shepherds Flat LLC | Arlington, OR | 558 GWh | Jun 2012 | Sep 2025 | Wind |
| Horse Butte Wind I, LLC | Utah Associated Mun Power Sys | Iona, ID | 167 GWh | Jul 2012 | Dec 2024 | Wind |
| Outback Solar At Christmas Valley | Outback Solar, LLC | Christmas Valley, OR | 7 GWh | Sep 2012 | Dec 2024 | Solar |
| McKinley Paper Co. - Washington Mill | McKinley Paper Co. - Washington Mill | Port Angeles, WA | 38 GWh | Sep 2013 | Aug 2024 | Wood/Wood Waste Solids |
| Stoltze CoGen1 | F H Stoltze Land & Lumber Co | Columbia Falls, MT | 21 GWh | Sep 2013 | Sep 2025 | Wood/Wood Waste Solids |
| POTB Digester | Tillamook BioGas, LLC Digester | Tillamook, OR | 629 MWh | Oct 2013 | Dec 2023 | Other Biomass Gas |
| Chester Diversion Hydroelectric Project | Fall River Rural Elec Coop Inc | Chester, ID | 8 GWh | Apr 2014 | Sep 2025 | Water |
| Arlington Microgrid | PUD No 1 of Snohomish County | Arlington, WA | 532 MWh | May 2019 | Dec 2024 | Solar |
| Starvation | Starvation Solar I, LLC | Hines, OR | 23 GWh | Nov 2019 | Dec 2024 | Solar |
| Fort Rock I | Fort Rock Solar I, LLC | Silver Lake, OR | 25 GWh | Feb 2020 | Dec 2024 | Solar |
| Rock Garden Solar, LLC | SC Oregon 2 Lessor Parent, LLC | Fort Rock, OR | 25 GWh | May 2020 | Dec 2024 | Solar |
| Alkali Solar, LLC | SC Oregon 2 Lessor Parent, LLC | Silver Lake, OR | 25 GWh | May 2020 | Dec 2024 | Solar |
| West Hines Solar I, LLC | SC Oregon 2 Lessor Parent, LLC | Hines, OR | 22 GWh | May 2020 | Dec 2024 | Solar |
| Fort Rock IV | Fort Rock Solar IV LLC | Fort Rock, OR | 24 GWh | May 2020 | Dec 2024 | Solar |
| Suntex Solar, LLC | SC Oregon 2 Lessor Parent, LLC | Riley, OR | 25 GWh | Jun 2020 | Dec 2024 | Solar |
| Riley | Riley Solar I LLC | Riley, OR | 23 GWh | Jun 2020 | Dec 2024 | Solar |
| Horn Rapids Solar, Storage and Training | Energy Northwest | Richland, WA | 5 GWh | Sep 2020 | Dec 2024 | Solar |
| Wheatridge Hybrid | Wheatridge Wind Holdings, LLC | Morrow, OR | 674 GWh | Oct 2020 | Sep 2025 | Wind : 79.7% Solar : 20.3% |
| Orchard Windfarm 2, LLC | Orchard Windfarm, LLC | Lexington, OR | 30 GWh | Nov 2020 | Dec 2024 | Wind |
| Orchard Windfarm 3, LLC | Orchard Windfarm, LLC | Lexington, OR | 28 GWh | Nov 2020 | Dec 2024 | Wind |
| Wheatridge 1 | Portland General Electric Co | Lexington, OR | 249 GWh | Nov 2020 | Sep 2025 | Wind |
| Green Solar LLC (CSG) | SolRiver Capital LLC | Culver, OR | 3 GWh | Jun 2024 | Dec 2024 | Solar |
| Goose Prairie Solar | Goose Prairie Solar LLC | Moxee, WA | 162 GWh | Nov 2024 | Sep 2025 | Solar |
Surrounding Balancing Authorities
| Rank | Balancing Authority | Annual Net Generation | # Power Plants |
|---|---|---|---|
| #42 | Avangrid Renewables, LLC | 8.3 TWh | 19 |
| #43 | Avista Corporation | 8.3 TWh | 33 |
| #57 | City of Tacoma, Department of Public Utilities, Light Division | 2.1 TWh | 9 |
| #33 | Gridforce Energy Management, LLC | 18.2 TWh | 1 |
| #50 | PacifiCorp West | 5.0 TWh | 136 |
| #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 |
|---|---|---|---|
| #9 | Tennessee Valley Authority | 161.7 TWh | 204 |
| #10 | Florida Power & Light Co. | 149.1 TWh | 187 |
| #12 | New York Independent System Operator | 131.9 TWh | 1,211 |
| #13 | Duke Energy Carolinas | 112.3 TWh | 565 |
| #15 | ISO New England | 105.8 TWh | 1,577 |
| #16 | Bonneville Power Administration | 80.6 TWh | 163 |
| #17 | Duke Energy Progress East | 64.4 TWh | 559 |
| #18 | PacifiCorp East | 61.1 TWh | 216 |
| #19 | Salt River Project Agricultural Improvement and Power District | 59.9 TWh | 48 |
| #20 | Duke Energy Florida, Inc. | 47.4 TWh | 95 |