South Fork Tolt
20030 Cedar Falls Road S.E., North Bend, WA 98045Plant Summary Information
South Fork Tolt is ranked #45 out of 68 hydroelectric power plants in Washington in terms of total annual net electricity generation.
South Fork Tolt is comprised of 1 generator and generated 8.9 GWh during the 3-month period between September 2024 to December 2024.
| Plant Name | South Fork Tolt |
|---|---|
| Utility Name | City of Seattle - (WA) |
| Location | King County, WA |
| Initial Operation Date | November 1995 |
| Last Update | Dec 2024 |
| Annual Generation | 44.6 GWh |
| Annual Consumption | 155.6 k MMBtu |
| Ranked #4,153 out of 12,299 Power Plants Nationwide | |
| Ranked #523 out of 1,323 Water Power Plants Nationwide | |
| Ranked #90 out of 131 Washington Power Plants | |
| Ranked #45 out of 68 Washington Water Power Plants | |
| Fuel Types | Water |
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Monthly Net Generation for South Fork Tolt
South Fork Tolt Details
| Summary Information | |
|---|---|
| Plant Name | South Fork Tolt (622) |
| Plant Address | 20030 Cedar Falls Road S.E., North Bend, WA 98045 |
| Utility | City of Seattle - (WA) (16868) |
| Latitude, Longitude | 47.69917, -121.78333 |
| Generation Dates on File | Jan 2001 to Dec 2024 |
| Initial Operation Date | November 1995 |
| Annual Generation | 44.6 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 | Seattle City Light (SCL) |
| NAICS Code | Utilities (22) |
| Sector | Electric Utility (1) |
| Water Source | South Fork Tolt River |
| Ash Impoundment | No |
| Transmission / Distribution Owner | City of Seattle - (WA) (16868) WA |
| Grid Voltage | 115.00 kV |
| Energy Storage | No |
Generator 1 Details Operating November 1995
| Technology | Conventional Hydroelectric |
|---|---|
| Prime Mover | Hydroelectric Turbine |
| Ownership | Single Owner |
| RTO ISO LMP Node Designation | S_TOLT_1_GEN81GNODE |
| RTO ISO Location Designation For Reporting Wholesale Sales Data | S_TOLT_1_GEN81GNODE |
| Nameplate Capacity | 16.8 MW |
| Nameplate Power Factor | 0.9 |
| Summer Capacity | 16.8 MW |
| Winter Capacity | 16.8 MW |
| Minimum Load | 1 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | November 1995 |
| 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 | 12H |
| Other Planned Modifications | Yes |
| Other Modifications | December 2028 |
| Multiple Fuels | No |
South Fork Tolt 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 |
|---|---|---|---|
| #513 | Drum 1 | Alta, CA | 46.4 GWh |
| #514 | PHP 1 | Sandy, OR | 46.4 GWh |
| #515 | Conemaugh Hydro Plant | Saltsburg, PA | 46.4 GWh |
| #516 | Mojave Siphon | Hesperia, CA | 46.2 GWh |
| #517 | Sturgeon | Tillson, NY | 45.7 GWh |
| #518 | Stewart Mountain | Phoenix, AZ | 45.7 GWh |
| #519 | Browns Falls | Oswegatchie, NY | 45.3 GWh |
| #520 | Upper Power Plant | Idaho Falls, ID | 44.9 GWh |
| #521 | San Francisquito 2 | Saugus, CA | 44.7 GWh |
| #522 | Dahowa Hydro | Greenwich, NY | 44.6 GWh |
| #524 | Moose River | Lyons Falls, NY | 44.6 GWh |
| #525 | Milton | Milton, VT | 44.4 GWh |
| #526 | Dalles Dam North Fishway Project | The Dalles, OR | 44.3 GWh |
| #527 | Combined Locks | Combined Locks, WI | 43.4 GWh |
| #528 | Brookfield Power Glen Falls Hydro | Glen Falls, NY | 43.3 GWh |
| #529 | Green Lake | Sitka, AK | 43.2 GWh |
| #530 | Solomon Gulch | Valdez, AK | 43.2 GWh |
| #531 | Du Bay | Eau Pleine, WI | 43.1 GWh |
| #532 | Isabella Hydro Project | Lake Isabella, CA | 43.0 GWh |
| #533 | Rush Creek | June lake, CA | 43.0 GWh |
Nearby Power Plants
Below are closest 20 power plants surrounding South Fork Tolt.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Arlington Microgrid | Arlington, WA | 532.0 MWh | 35.9 mi |
| Black Creek | Snoqualmie, WA | 9.7 GWh | 10.9 mi |
| Calligan Creek Hydroelectric Project | Snoqualmie, WA | 17.2 GWh | 8.1 mi |
| Cedar Falls (WA) | North Bend, WA | 6.2 GWh | 19.3 mi |
| Cedar Hills | Maple Valley, WA | 78.0 MWh | 20.7 mi |
| Crystal Mountain | Greenwater, WA | 275.0 MWh | 53.5 mi |
| Darrington | Darrington, WA | 17.0 GWh | 40.3 mi |
| Frederickson | Tacoma, WA | 87.8 GWh | 50.7 mi |
| Frederickson Power LP | Tacoma, WA | 1.8 TWh | 50.4 mi |
| H M Jackson | Sultan, WA | 365.7 GWh | 14.5 mi |
| Hancock Creek Hydroelectric Project | Snoqualmie, WA | 23.0 GWh | 9.8 mi |
| Port Townsend Paper | Port Townsend, WA | 26.3 GWh | 54.2 mi |
| Rocky Brook Hydroelectric | Brinnon, WA | 540.0 MWh | 53.9 mi |
| Snoqualmie | Snoqualmie, WA | 65.9 GWh | 11.3 mi |
| Snoqualmie 2 | Snoqualmie, WA | 108.9 GWh | 11 mi |
| Twin Falls Hydro | North Bend, WA | 62.9 GWh | 18.1 mi |
| University of Washington Power Plant | Seattle, WA | 5.2 GWh | 24.4 mi |
| Weeks Falls | North Bend, WA | 13.1 GWh | 19.4 mi |
| West Point Treatment Plant | Seattle, WA | 9.6 GWh | 31 mi |
| Youngs Creek Hydroelectric Project | Monroe, WA | 18.7 GWh | 6.4 mi |