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 | Apr 2026 |
| Annual Generation | 88.3 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 | 76.3% Nuclear | 9.2% Wind | 8% Natural Gas | 4.6% Other Fuel | 1.3% Solar | 0.4% |
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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 |
|---|---|---|---|---|---|---|
| Windy Flats Wind Project | Windy Flats Partners LLC | Centerville, WA | 672 GWh | Sep 2009 | Dec 2024 | Wind |
| Hungry Horse | U S Bureau of Reclamation | Columbia Falls, MT | 730 GWh | Sep 1952 | Dec 2024 | Water |
| Palisades Dam | U S Bureau of Reclamation | Palisades, ID | 744 GWh | Jan 1957 | Dec 2024 | Water |
| Lower Snake River Wind Energy Project | Puget Sound Energy Inc | Pomeroy, WA | 807 GWh | Jan 2012 | Feb 2026 | Wind |
| River Road Gen Plant | PUD No 1 of Clark County - (WA) | Vancouver, WA | 1 TWh | Nov 1997 | Dec 2025 | Natural Gas |
| Dworshak | USACE Northwestern Division | Ahsahka, ID | 1 TWh | Aug 1974 | Dec 2024 | Water |
| Lower Granite | USACE Northwestern Division | Pomeroy, WA | 2 TWh | Mar 1975 | Feb 2026 | Water |
| Lower Monumental | USACE Northwestern Division | Kahlotus, WA | 2 TWh | May 1969 | Feb 2026 | Water |
| Ice Harbor | USACE Northwestern Division | Burbank, WA | 2 TWh | Dec 1961 | Feb 2026 | Water |
| Little Goose | USACE Northwestern Division | Dayton, WA | 2 TWh | Mar 1970 | Feb 2026 | Water |
| Frederickson Power LP | Frederickson Power LP | Tacoma, WA | 2 TWh | Jul 2002 | Dec 2024 | Natural Gas |
| Libby | USACE Northwestern Division | Libby, MT | 2 TWh | Jul 1975 | Dec 2024 | Water |
| Coyote Springs II | Avista Corp | Boardman, OR | 2 TWh | Jun 2003 | Feb 2026 | Natural Gas |
| Chehalis Generating Facility | PacifiCorp | Chehalis, WA | 2 TWh | Jul 2003 | Feb 2026 | Natural Gas |
| Transalta Centralia Generation | TransAlta Centralia Gen LLC | Centralia, WA | 3 TWh | Nov 1972 | Dec 2025 | Subbituminous Coal : 99.7% |
| Grays Harbor Energy Facility | Invenergy Services LLC | Elma, WA | 3 TWh | Apr 2008 | Jan 2026 | Natural Gas |
| McNary | USACE Northwestern Division | Umatilla, OR | 4 TWh | Nov 1953 | Dec 2024 | Water |
| Bonneville | USACE Northwestern Division | Cascade Locks, OR | 4 TWh | Jun 1938 | Feb 2026 | Water |
| Priest Rapids | PUD No 2 of Grant County | Mattawa, WA | 5 TWh | Sep 1959 | Feb 2026 | Water |
| The Dalles | USACE Northwestern Division | The Dalles, OR | 6 TWh | May 1957 | Feb 2026 | Water |
| Columbia Generating Station | Energy Northwest | Richland, WA | 8 TWh | Nov 1984 | Feb 2026 | Nuclear |
| John Day | USACE Northwestern Division | Rufus, OR | 8 TWh | Jul 1968 | Feb 2026 | Water |
| Chief Joseph | USACE Northwestern Division | Bridgeport, WA | 11 TWh | Aug 1955 | Feb 2026 | Water |
| Grand Coulee | U S Bureau of Reclamation | Grand Coulee, WA | 18 TWh | Feb 1941 | Feb 2026 | Water |
Surrounding Balancing Authorities
| Rank | Balancing Authority | Annual Net Generation | # Power Plants |
|---|---|---|---|
| #44 | Avangrid Renewables, LLC | 8.7 TWh | 19 |
| #43 | Avista Corporation | 9.0 TWh | 33 |
| #56 | City of Tacoma, Department of Public Utilities, Light Division | 2.5 TWh | 9 |
| #33 | Gridforce Energy Management, LLC | 17.3 TWh | 1 |
| #45 | PacifiCorp West | 8.1 TWh | 136 |
| #46 | Portland General Electric Company | 7.1 TWh | 108 |
| #42 | Public Utility District No. 1 of Chelan County | 9.0 TWh | 4 |
| #40 | Public Utility District No. 2 of Grant County, Washington | 10.0 TWh | 5 |
| #50 | Puget Sound Energy, Inc. | 5.0 TWh | 40 |
| #49 | Seattle City Light | 6.1 TWh | 9 |
Balancing Authorities with Similar Net Generation
| Rank | Balancing Authority | Annual Net Generation | # Power Plants |
|---|---|---|---|
| #9 | Tennessee Valley Authority | 163.1 TWh | 204 |
| #10 | Florida Power & Light Co. | 150.9 TWh | 187 |
| #12 | New York Independent System Operator | 134.4 TWh | 1,211 |
| #13 | Duke Energy Carolinas | 112.5 TWh | 565 |
| #15 | ISO New England | 111.1 TWh | 1,577 |
| #16 | Bonneville Power Administration | 88.3 TWh | 163 |
| #17 | Duke Energy Progress East | 64.8 TWh | 559 |
| #18 | PacifiCorp East | 61.1 TWh | 216 |
| #19 | Salt River Project Agricultural Improvement and Power District | 60.0 TWh | 48 |
| #20 | Duke Energy Florida, Inc. | 47.4 TWh | 95 |