Wynoochee
5120 Wynoochee Valley Road, Montesano, WA 98520Plant Summary Information
Wynoochee is ranked #52 out of 70 hydroelectric power plants in Washington in terms of total annual net electricity generation.
Wynoochee is comprised of 1 generator and generated 10.0 GWh during the 3-month period between September 2025 to December 2025.
| Plant Name | Wynoochee |
|---|---|
| Utility Name | City of Tacoma - (WA) |
| Location | Grays Harbor County, WA |
| Initial Operation Date | January 1994 |
| Last Update | Dec 2025 |
| Annual Generation | 22.5 GWh |
| Annual Consumption | 94.7 k MMBtu |
| Ranked #5,211 out of 13,081 Power Plants Nationwide | |
| Ranked #673 out of 1,311 Water Power Plants Nationwide | |
| Ranked #98 out of 131 Washington Power Plants | |
| Ranked #52 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) |
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Monthly Net Generation for Wynoochee
Monthly Plant Fuel Consumption for Wynoochee
Wynoochee Details
| Summary Information | |
|---|---|
| Plant Name | Wynoochee (7127) |
| Plant Address | 5120 Wynoochee Valley Road, Montesano, WA 98520 |
| Utility | City of Tacoma - (WA) (18429) |
| Latitude, Longitude | 47.38507, -123.60523 |
| Generation Dates on File | Jan 2001 to Dec 2025 |
| Initial Operation Date | January 1994 |
| Annual Generation | 22.5 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 | Wynoochee River |
| Ash Impoundment | No |
| Transmission / Distribution Owner | City of Tacoma - (WA) (18429) WA |
| Grid Voltage | 34.50 kV |
| Energy Storage | No |
Generator 1 Details Operating January 1994
| Technology | Conventional Hydroelectric |
|---|---|
| Prime Mover | Hydroelectric Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 12.8 MW |
| Nameplate Power Factor | 1 |
| Summer Capacity | 15.5 MW |
| Winter Capacity | 12.8 MW |
| Minimum Load | 1 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | January 1994 |
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Water |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 1H |
Wynoochee Plant Owners
| Owner Name | Address | 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 |
|---|---|---|---|
| #663 | Cataract Hydro | Saco, ME | 23.1 GWh |
| #664 | Five Channels | Oscoda, MI | 23.0 GWh |
| #665 | Medway Hydro | Medway, ME | 22.9 GWh |
| #666 | Allison Creek Hydro | Valdez, AK | 22.9 GWh |
| #667 | Black Bear Lake | Craig, AK | 22.8 GWh |
| #668 | Menomonie | Menomonie, WI | 22.7 GWh |
| #669 | Sugar Island | Potsdam, NY | 22.7 GWh |
| #670 | Lighthouse Hill | Altmar, NY | 22.7 GWh |
| #671 | Derby Hydro | Shelton, CT | 22.7 GWh |
| #672 | Ketchikan | Ketchikan, AK | 22.6 GWh |
| #674 | Box Canyon Dam | Mount Shasta, CA | 22.5 GWh |
| #675 | Riverside Holyoke | Holyoke, MA | 22.5 GWh |
| #676 | Poole | Lee Vining, CA | 22.3 GWh |
| #677 | Deer Creek (UT) | Heber, UT | 22.2 GWh |
| #678 | Oswego Falls East | Fulton, NY | 22.2 GWh |
| #679 | Little Chute | Combined Locks, WI | 22.1 GWh |
| #680 | Norfolk | Norfolk, NY | 22.0 GWh |
| #681 | North Fork Hydro Plant | Grant, CO | 21.9 GWh |
| #682 | Rochester Hydro | Mazeppa, MN | 21.9 GWh |
| #683 | Eastman Falls | Franklin, NH | 21.9 GWh |
Nearby Power Plants
Below are closest 20 power plants surrounding Wynoochee.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Alder | La Grande, WA | 187.0 GWh | 73 mi |
| Cedar Hills | Maple Valley, WA | 53.0 MWh | 73.2 mi |
| Chehalis Generating Facility | Chehalis, WA | 2.3 TWh | 62 mi |
| Cushman 1 | Shelton, WA | 107.8 GWh | 17.9 mi |
| Cushman 2 | Shelton, WA | 160.5 GWh | 20.8 mi |
| Frederickson | Tacoma, WA | 20.8 GWh | 61.9 mi |
| Frederickson Power LP | Tacoma, WA | 1.6 TWh | 61.7 mi |
| Grays Harbor Energy Facility | Elma, WA | 2.3 TWh | 29.3 mi |
| LaGrande | La Grande, WA | 291.2 GWh | 71.5 mi |
| Lilliwaup Falls Generating | Lilliwaup, WA | 5.3 GWh | 23.7 mi |
| LRI LFGTE Facility | Graham, WA | 33.2 GWh | 67.9 mi |
| Port Townsend Paper | Port Townsend, WA | 7.7 GWh | 61.7 mi |
| Rocky Brook Hydroelectric | Brinnon, WA | 464.0 MWh | 38.6 mi |
| Sierra Pacific Aberdeen | Aberdeen, WA | 91.4 GWh | 29.6 mi |
| Skookumchuck | Tenino, WA | 1.8 GWh | 58.8 mi |
| Skookumchuck Wind Facility | Rainier, WA | 411.3 GWh | 57.6 mi |
| Transalta Centralia Generation | Centralia, WA | 3.2 TWh | 55.9 mi |
| University of Washington Power Plant | Seattle, WA | 129.4 MWh | 63.5 mi |
| West Point Treatment Plant | Seattle, WA | 14.3 GWh | 57.3 mi |
| Yelm | Yelm, WA | 32.2 GWh | 53.6 mi |