Cushman 1
North 21451 Highway 101, Shelton, WA 98584Plant Summary Information
Cushman 1 is ranked #34 out of 70 hydroelectric power plants in Washington in terms of total annual net electricity generation.
Cushman 1 is comprised of 2 generators and generated 46.7 GWh during the 3-month period between September 2025 to December 2025.
| Plant Name | Cushman 1 |
|---|---|
| Utility Name | City of Tacoma - (WA) |
| Location | Mason County, WA |
| Initial Operation Date | June 1926 |
| Last Update | Dec 2025 |
| Annual Generation | 107.8 GWh |
| Annual Consumption | 446.1 k MMBtu |
| Ranked #3,476 out of 13,301 Power Plants Nationwide | |
| Ranked #310 out of 1,316 Water Power Plants Nationwide | |
| Ranked #74 out of 132 Washington Power Plants | |
| Ranked #34 out of 70 Washington Water Power Plants | |
| Fuel Types | Water |
| Previous Operator |
City of Tacoma - (WA) (2013 to 2015) City of Tacoma - (WA) (2016 to 2025) |
Map of Cushman 1
Full Screen MapRegister Now for Comprehensive Access
Subscribe now to access all power plant data, utility information, FERC EQR data, and more for Cushman 1.
Monthly Net Generation for Cushman 1
Monthly Plant Fuel Consumption for Cushman 1
Cushman 1 Details
| Summary Information | |
|---|---|
| Plant Name | Cushman 1 (3914) |
| Plant Address | North 21451 Highway 101, Shelton, WA 98584 |
| Utility | City of Tacoma - (WA) (18429) |
| Latitude, Longitude | 47.4181, -123.2252 |
| Generation Dates on File | Jan 2001 to Dec 2025 |
| Initial Operation Date | June 1926 |
| Annual Generation | 107.8 GWh |
| Fuel Types | Water |
| Federal Energy Regulatory Commission (FERC) Information | |
| FERC Cogeneration Status | No |
| FERC Small Power Producer Status | No |
| FERC Exempt Wholesale Generator Status | No |
| Regulatory Information | |
|---|---|
| Regulatory Status | Regulated |
| NERC Region | WECC |
| Balancing Authority | City of Tacoma, Department of Public Utilities, Light Division (TPWR) |
| NAICS Code | Utilities (22) |
| Sector | Electric Utility (1) |
| Water Source | North Fork Skokomish River |
| Ash Impoundment | No |
| Transmission / Distribution Owner | City of Tacoma - (WA) (18429) WA |
| Grid Voltage | 110.00 kV |
| Energy Storage | No |
Generator 21 Details Operating June 1926
| Technology | Conventional Hydroelectric |
|---|---|
| Prime Mover | Hydroelectric Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 25.2 MW |
| Nameplate Power Factor | 0.9 |
| Summer Capacity | 26.7 MW |
| Winter Capacity | 19 MW |
| Minimum Load | 1 MW |
| Uprate/Derate Completed | No |
|---|---|
| Status | Operating |
| First Operation Date | June 1926 |
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Water |
| Time From Cold Shutdown To Full Load | 1H |
Generator 22 Details Operating July 1926
| Technology | Conventional Hydroelectric |
|---|---|
| Prime Mover | Hydroelectric Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 25.2 MW |
| Nameplate Power Factor | 0.9 |
| Summer Capacity | 26.7 MW |
| Winter Capacity | 19 MW |
| Minimum Load | 1 MW |
| Uprate/Derate Completed | No |
|---|---|
| Status | Operating |
| First Operation Date | July 1926 |
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Water |
| Time From Cold Shutdown To Full Load | 1H |
Cushman 1 Plant Owners
| Owner Name | Address | Generator | Ownership | We couldn't locate any owners for this plant |
|---|
Power Plants with Similar Net Generation
Power plants with a similar annual net generation from Water.
| Rank | Plant Name | Plant Location | Annual Generation |
|---|---|---|---|
| #300 | Gulf Island | Lewiston, ME | 115.0 GWh |
| #301 | Forbestown | Forbestown, CA | 114.9 GWh |
| #302 | RC Thomas Hydroelectric Project | Livingston, TX | 114.7 GWh |
| #303 | Charles E Monty | Lewiston, ME | 114.4 GWh |
| #304 | Yates Dam | Tallassee, AL | 114.2 GWh |
| #305 | Salt Springs | Pioneer, CA | 113.4 GWh |
| #306 | Cabin Creek | Georgetown, CO | 113.2 GWh |
| #307 | Allatoona | Cartersville, GA | 110.5 GWh |
| #308 | Black Eagle | Great Falls, MT | 110.3 GWh |
| #309 | Swan Falls | Kuna, ID | 110.0 GWh |
| #311 | Alcova | Alcova, WY | 107.2 GWh |
| #312 | Snoqualmie 2 | Snoqualmie, WA | 106.8 GWh |
| #313 | Tallulah Falls | Tallulah Falls, GA | 106.2 GWh |
| #314 | Kortes | Sinclair, WY | 105.7 GWh |
| #315 | Jim Falls | Jim Falls, WI | 105.3 GWh |
| #316 | Main Canal Headworks | Coulee City, WA | 105.2 GWh |
| #317 | Sinclair Dam | Milledgeville, GA | 105.0 GWh |
| #318 | Dix Dam | Harrodsburg, KY | 104.7 GWh |
| #319 | Lower Malad | Hagerman, ID | 104.4 GWh |
| #320 | Tyee Lake Hydroelectric Facility | Wrangell, AK | 103.4 GWh |
Nearby Power Plants
Below are closest 20 power plants surrounding Cushman 1.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Alder | La Grande, WA | 187.0 GWh | 60.5 mi |
| Cedar Hills | Maple Valley, WA | 53.0 MWh | 55.3 mi |
| Chehalis Generating Facility | Chehalis, WA | 2.5 TWh | 56.9 mi |
| Cushman 2 | Shelton, WA | 160.5 GWh | 4.5 mi |
| Frederickson | Tacoma, WA | 20.8 GWh | 46.6 mi |
| Frederickson Power LP | Tacoma, WA | 1.6 TWh | 46.4 mi |
| Grays Harbor Energy Facility | Elma, WA | 1.7 TWh | 33.2 mi |
| LaGrande | La Grande, WA | 291.2 GWh | 58.7 mi |
| Lilliwaup Falls Generating | Lilliwaup, WA | 5.3 GWh | 6.3 mi |
| LRI LFGTE Facility | Graham, WA | 33.2 GWh | 53.5 mi |
| Port Townsend Paper | Port Townsend, WA | 7.7 GWh | 50.7 mi |
| Rocky Brook Hydroelectric | Brinnon, WA | 464.0 MWh | 24.6 mi |
| Sierra Pacific Aberdeen | Aberdeen, WA | 91.4 GWh | 40.1 mi |
| Skookumchuck | Tenino, WA | 1.8 GWh | 49.8 mi |
| Skookumchuck Wind Facility | Rainier, WA | 405.7 GWh | 47.2 mi |
| Transalta Centralia Generation | Centralia, WA | 3.2 TWh | 48.9 mi |
| University of Washington Power Plant | Seattle, WA | 125.4 MWh | 46 mi |
| West Point Treatment Plant | Seattle, WA | 14.3 GWh | 40 mi |
| Wynoochee | Montesano, WA | 22.5 GWh | 17.9 mi |
| Yelm | Yelm, WA | 32.2 GWh | 41.3 mi |