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United States › Power plants › Hydroelectric plants › Washington

HYDROELECTRIC PLANTS

South Fork Tolt

South Fork Tolt is a 16.8 MW operating hydroelectric plant in King County, Washington, operated by City of Seattle - (WA).

Plant statusOperating
  1. Planning (completed)
  2. Consented (completed)
  3. Construction (completed)
  4. OperatingNov 1995 (current stage)
  5. Closed (not yet reached)

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Generators

Each generating unit EIA lists at this plant.

UnitTechnologyCapacityStatusOnlineRetired / planned retirement
1Conventional Hydroelectric17 MW OperatingNov 1995

Plant details

Operator
City of Seattle - (WA)
Location
King County, Washington
Balancing authority
SCL
Sector
Electric Utility
Capacity
Operating: 16.8 MW
First unit online
Nov 1995
EIA plant ID
622

Location

47.6992, -121.7833

Nearby power plants

Source: U.S. Energy Information Administration, Form EIA-860M, September 2026. Planned dates are targets reported by the developer and often change. Report a problem