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 |
|---|---|---|---|---|---|---|
| Chief Joseph | USACE Northwestern Division | Bridgeport, WA | 11 TWh | Aug 1955 | May 2026 | Water |
| Ice Harbor | USACE Northwestern Division | Burbank, WA | 1 TWh | Dec 1961 | May 2026 | Water |
| Little Goose | USACE Northwestern Division | Dayton, WA | 2 TWh | Mar 1970 | May 2026 | Water |
| Lower Monumental | USACE Northwestern Division | Kahlotus, WA | 2 TWh | May 1969 | May 2026 | Water |
| Grand Coulee | U S Bureau of Reclamation | Grand Coulee, WA | 18 TWh | Feb 1941 | May 2026 | Water |
| Lower Granite | USACE Northwestern Division | Pomeroy, WA | 1 TWh | Mar 1975 | May 2026 | Water |
| Grays Harbor Energy Facility | Invenergy Services LLC | Elma, WA | 2 TWh | Apr 2008 | May 2026 | Natural Gas |
| Chehalis Generating Facility | PacifiCorp | Chehalis, WA | 2 TWh | Jul 2003 | May 2026 | Natural Gas |
| Georgia-Pacific Wauna Mill | Georgia-Pacific Wauna LLC | Clatskanie, OR | 171 GWh | Jan 1996 | May 2026 | Black Liquor : 56.4% Natural Gas : 32.8% Other Biomass Solids : 10.8% |
| Hopkins Ridge Wind | Puget Sound Energy Inc | Dayton, WA | 353 GWh | Oct 2005 | May 2026 | Wind |
| Chester Diversion Hydroelectric Project | Fall River Rural Elec Coop Inc | Chester, ID | 7 GWh | Apr 2014 | May 2026 | Water |
| Lower Snake River Wind Energy Project | Puget Sound Energy Inc | Pomeroy, WA | 802 GWh | Jan 2012 | May 2026 | Wind |
| North Hurlburt Wind LLC | Shepherds Flat Wind LLC | Arlington, OR | 581 GWh | Jan 2012 | May 2026 | Wind |
| South Hurlburt Wind LLC | Shepherds Flat Wind LLC | Arlington, OR | 612 GWh | Jun 2012 | May 2026 | Wind |
| Horseshoe Bend Wind LLC | Shepherds Flat Wind LLC | Arlington, OR | 627 GWh | Jun 2012 | May 2026 | Wind |
| Oregon State University Energy Center | Oregon State University | Corvallis, OR | 36 GWh | May 2010 | May 2026 | Natural Gas |
| Stoltze CoGen1 | F H Stoltze Land & Lumber Co | Columbia Falls, MT | 18 GWh | Sep 2013 | May 2026 | Wood/Wood Waste Solids |
| Wheatridge Hybrid | Wheatridge Wind Holdings, LLC | Morrow, OR | 656 GWh | Oct 2020 | May 2026 | Wind : 80.5% Solar : 19.5% |
| Wheatridge 1 | Portland General Electric Co | Lexington, OR | 243 GWh | Nov 2020 | May 2026 | Wind |
| Wheatridge East Wind | Wheatridge East Wind LLC | Lexington, OR | 511 GWh | May 2025 | May 2026 | Wind |
| Goose Prairie Solar | Goose Prairie Solar LLC | Moxee, WA | 179 GWh | Nov 2024 | May 2026 | Solar |
| Tower Solar, LLC | Avangrid Power LLC | Boardman, OR | 36 GWh | - | May 2026 | Solar |
| Cartwright Solar I | Cartwright Solar I LLC | Powell Butte, OR | 15 GWh | - | May 2026 | Solar |
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 |