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United States › Power plants › Hydroelectric plants › California

HYDROELECTRIC PLANTS

Mill Creek 3

Mill Creek 3 is a 3.0 MW operating hydroelectric plant in San Bernardino County, California, operated by Southern California Edison Co.

Plant statusOperating
  1. Planning (completed)
  2. Consented (completed)
  3. Construction (completed)
  4. OperatingMar 1903 (current stage)
  5. Closed (not yet reached)

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Generators

Each generating unit EIA lists at this plant.

UnitTechnologyCapacityStatusOnlineRetired / planned retirement
3Conventional Hydroelectric1.0 MW Standby / back-upMar 1903
4Conventional Hydroelectric1.0 MW Standby / back-upOct 1904
5Conventional Hydroelectric1.0 MW Standby / back-upMar 1904

Plant details

Operator
Southern California Edison Co
Location
San Bernardino County, California
Balancing authority
CISO
Sector
Electric Utility
Capacity
Operating: 3.0 MW
First unit online
Mar 1903
EIA plant ID
7147

Location

34.0880, -117.0395

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