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 | Oct 2026 |
| Annual Generation | 91.1 TWh |
| Power Plants | 170 |
| Utilities | 108 |
| 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 | 75.7% Nuclear | 10.7% Wind | 7.9% Natural Gas | 3.6% Other Fuel | 1.2% Solar | 0.8% |
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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 |
|---|---|---|---|---|---|---|
| Dexter | USACE Northwestern Division | Lowell, OR | 43 GWh | May 1955 | Dec 2025 | Water |
| Detroit | USACE Northwestern Division | Mill City, OR | 227 GWh | Jun 1953 | Dec 2025 | Water |
| Darrington | Hampton Lumber Mills - Washington Inc | Darrington, WA | 12 GWh | Jan 2007 | Dec 2025 | Wood/Wood Waste Solids |
| Dalles Dam North Fishway Project | Northern Wasco County PUD - (OR) | The Dalles, OR | 43 GWh | Apr 1991 | Dec 2025 | Water |
| Coyote Springs II | Avista Corp | Boardman, OR | 2 TWh | Jun 2003 | Jul 2026 | Natural Gas |
| Cowlitz Falls | PUD No 1 of Lewis County - (WA) | Randle, WA | 196 GWh | May 1994 | Dec 2025 | Water |
| Cougar | USACE Northwestern Division | Lowell, OR | 72 GWh | Feb 1964 | Dec 2025 | Water |
| Condon Windpower LLC | ALLETE Clean Energy | Condon, OR | 73 GWh | Nov 2001 | Dec 2025 | Wind |
| Columbia Generating Station | Energy Northwest- Columbia | Richland, WA | 10 TWh | Nov 1984 | Jul 2026 | Nuclear |
| Coffin Butte | Pacific Northwest Generating Coop | Corvallis, OR | 44 GWh | Sep 1995 | Dec 2025 | Landfill Gas |
| Chief Joseph | USACE Northwestern Division | Bridgeport, WA | 12 TWh | Aug 1955 | Jul 2026 | Water |
| Chester Diversion Hydroelectric Project | Fall River Rural Elec Coop Inc | Chester, ID | 7 GWh | Apr 2014 | Jul 2026 | Water |
| Chehalis Generating Facility | PacifiCorp | Chehalis, WA | 2 TWh | Jul 2003 | Jul 2026 | Natural Gas |
| Chandler | U S Bureau of Reclamation | Benton City, WA | 31 GWh | Jan 1956 | Nov 2025 | Water |
| Cartwright Solar I | Cartwright Solar I LLC | Powell Butte, OR | 41 GWh | - | Jul 2026 | Solar |
| Carmen Smith | Eugene Water & Electric Board | McKenzie Bridge, OR | 168 GWh | Dec 1962 | Dec 2025 | Water |
| Bonneville | USACE Northwestern Division | Cascade Locks, OR | 4 TWh | Jun 1938 | Jul 2026 | Water |
| Black Canyon | U S Bureau of Reclamation | Emmet, ID | 63 GWh | Nov 1925 | Dec 2025 | Water |
| Big Cliff | USACE Northwestern Division | Gates, OR | 61 GWh | Nov 1954 | Dec 2025 | Water |
| Arlington Wind Power Project | Arlington Wind Power Project LLC | Arlington, OR | 199 GWh | Nov 2008 | Dec 2025 | Wind |
| Arlington Microgrid | PUD No 1 of Snohomish County - (WA) | Arlington, WA | 601 MWh | May 2019 | Dec 2025 | Solar |
| Anderson Ranch | U S Bureau of Reclamation | Mountain Home, ID | 86 GWh | Nov 1950 | Dec 2025 | Water |
| Alkali Solar, LLC | SC Oregon 2 Lessor Parent, LLC | Silver Lake, OR | 26 GWh | May 2020 | Dec 2025 | Solar |
| Albeni Falls | USACE Northwestern Division | Oldtown, ID | 177 GWh | Apr 1955 | Dec 2025 | Water |
Surrounding Balancing Authorities
| Rank | Balancing Authority | Annual Net Generation | # Power Plants |
|---|---|---|---|
| #45 | Avangrid Renewables, LLC | 8.8 TWh | 20 |
| #44 | Avista Corporation | 9.2 TWh | 33 |
| #56 | City of Tacoma, Department of Public Utilities, Light Division | 2.4 TWh | 9 |
| #33 | Gridforce Energy Management, LLC | 15.9 TWh | 1 |
| #41 | PacifiCorp West | 10.0 TWh | 142 |
| #47 | Portland General Electric Company | 6.9 TWh | 112 |
| #42 | Public Utility District No. 1 of Chelan County | 9.4 TWh | 4 |
| #40 | Public Utility District No. 2 of Grant County, Washington | 10.4 TWh | 5 |
| #52 | Puget Sound Energy, Inc. | 4.1 TWh | 40 |
| #48 | Seattle City Light | 6.8 TWh | 9 |
Balancing Authorities with Similar Net Generation
| Rank | Balancing Authority | Annual Net Generation | # Power Plants |
|---|---|---|---|
| #9 | Tennessee Valley Authority | 166.2 TWh | 209 |
| #10 | Florida Power & Light Co. | 153.0 TWh | 188 |
| #12 | New York Independent System Operator | 134.1 TWh | 1,334 |
| #13 | Duke Energy Carolinas | 113.4 TWh | 578 |
| #15 | ISO New England | 112.2 TWh | 1,667 |
| #16 | Bonneville Power Administration | 91.1 TWh | 170 |
| #17 | Duke Energy Progress East | 66.2 TWh | 574 |
| #18 | PacifiCorp East | 61.4 TWh | 223 |
| #19 | Salt River Project Agricultural Improvement and Power District | 60.5 TWh | 51 |
| #20 | Public Service Company of Colorado | 47.6 TWh | 248 |