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United States › Power plants › Hydroelectric plants › Washington

HYDROELECTRIC PLANTS

Snoqualmie

Snoqualmie is a 12.8 MW operating hydroelectric plant in King County, Washington, operated by Puget Sound Energy Inc.

Plant statusOperating
  1. Planning (completed)
  2. Consented (completed)
  3. Construction (completed)
  4. OperatingJan 1898 (current stage)
  5. ClosedApr 2010 (not yet reached)

This plant has generators at more than one stage; see the table below.

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Generators

Each generating unit EIA lists at this plant.

UnitTechnologyCapacityStatusOnlineRetired / planned retirement
5AConventional Hydroelectric6.8 MW OperatingAug 2013
1Conventional Hydroelectric1.5 MW OperatingJan 1898
2Conventional Hydroelectric1.5 MW OperatingJan 1898
3Conventional Hydroelectric1.5 MW OperatingJan 1898
4Conventional Hydroelectric1.5 MW OperatingJan 1898
5Conventional Hydroelectric5.6 MW RetiredDec 1905Apr 2010

Plant details

Operator
Puget Sound Energy Inc
Location
King County, Washington
Balancing authority
PSEI
Sector
Electric Utility
Capacity
Operating: 12.8 MW
Retired: 5.6 MW
First unit online
Jan 1898
EIA plant ID
3860

Location

47.5401, -121.8370

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