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United States › Power plants › Hydroelectric plants › South Dakota

HYDROELECTRIC PLANTS

Spearfish Hydro

Spearfish Hydro is a 4.0 MW operating hydroelectric plant in Lawrence County, South Dakota, operated by City of Spearfish - (SD).

Plant statusOperating
  1. Planning (completed)
  2. Consented (completed)
  3. Construction (completed)
  4. OperatingOct 1912 (current stage)
  5. Closed (not yet reached)

Open in Google MapsMore hydroelectric plants in South Dakota

Generators

Each generating unit EIA lists at this plant.

UnitTechnologyCapacityStatusOnlineRetired / planned retirement
TURB1Conventional Hydroelectric2.0 MW OperatingOct 1912
TURB2Conventional Hydroelectric2.0 MW OperatingOct 1912

Plant details

Operator
City of Spearfish - (SD)
Location
Lawrence County, South Dakota
Balancing authority
WACM
Sector
Electric Utility
Capacity
Operating: 4.0 MW
First unit online
Oct 1912
EIA plant ID
58438

Location

44.4783, -103.8547

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