City of Tacoma, Department of Public Utilities, Light Division
Balancing Authority Summary Information
City of Tacoma, Department of Public Utilities, Light Division is ranked #56 out of 64 balancing authorities in terms of total annual electricity generation.
| Balancing Authority | City of Tacoma, Department of Public Utilities, Light Division |
|---|---|
| States | Washington |
| Last Update | Jul 2026 |
| Annual Generation | 2.4 TWh |
| Power Plants | 9 |
| Utilities | 2 |
| Ranked #56 out of 64 in terms of net annual generation | |
| Ranked #25 out of 47 in terms of annual generation from water | |
| Power Plant Types | Water | 99.9% |
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Daily Net Generation for City of Tacoma, Department of Public Utilities, Light Division for the past 3 Years
| Plant Name | Utility | Location | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|
| Alder | City of Tacoma - (WA) | La Grande, WA | 187 GWh | Nov 1945 | Dec 2025 | Water |
| Cushman 1 | City of Tacoma - (WA) | Shelton, WA | 108 GWh | May 1926 | Dec 2025 | Water |
| Cushman 2 | City of Tacoma - (WA) | Shelton, WA | 160 GWh | Nov 1930 | Dec 2025 | Water |
| LaGrande | City of Tacoma - (WA) | La Grande, WA | 291 GWh | Oct 1912 | Dec 2025 | Water |
| Mayfield | City of Tacoma - (WA) | Silver Creek, WA | 603 GWh | Feb 1963 | Dec 2025 | Water |
| Wynoochee | City of Tacoma - (WA) | Montesano, WA | 23 GWh | Dec 1993 | Dec 2025 | Water |
| Mossyrock | City of Tacoma - (WA) | Silver Creek, WA | 1 TWh | Sep 1968 | May 2026 | Water |
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 |
| #16 | Bonneville Power Administration | 91.6 TWh | 167 |
| #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 |
|---|---|---|---|
| #51 | PUD No. 1 of Douglas County | 4.4 TWh | 4 |
| #52 | Puget Sound Energy, Inc. | 4.4 TWh | 40 |
| #53 | Southwestern Power Administration | 4.1 TWh | 34 |
| #54 | Arlington Valley, LLC | 3.2 TWh | 1 |
| #55 | City of Tallahassee | 3.2 TWh | 5 |
| #56 | City of Tacoma, Department of Public Utilities, Light Division | 2.4 TWh | 9 |
| #57 | Turlock Irrigation District | 1.9 TWh | 11 |
| #58 | Gainesville Regional Utilities | 1.6 TWh | 8 |
| #59 | Southeastern Power Administration | 1.3 TWh | 11 |
| #60 | NaturEner Power Watch, LLC | 499.9 GWh | 2 |