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United States › Power plants › Hydroelectric plants › Maine

HYDROELECTRIC PLANTS

S D Warren Westbrook

S D Warren Westbrook is a 7.2 MW operating hydroelectric plant in Cumberland County, Maine, operated by Relevate Power Management LLC.

Plant statusOperating
  1. Planning (completed)
  2. Consented (completed)
  3. Construction (completed)
  4. OperatingJan 1903 (current stage)
  5. ClosedMar 2019 (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
GEN9Wood/Wood Waste Biomass48 MW Out of service long-termJan 1982
GN10Wood/Wood Waste Biomass15 MW Out of service long-termOct 1985
GEN4Conventional Hydroelectric0.8 MW OperatingJan 1913
GEN5Conventional Hydroelectric0.8 MW OperatingJan 1913
GEN6Conventional Hydroelectric0.8 MW OperatingJan 1913
GEN1Conventional Hydroelectric0.6 MW OperatingJan 1903
GEN2Conventional Hydroelectric0.6 MW OperatingJan 1903
GEN3Conventional Hydroelectric0.6 MW OperatingJan 1903
GEN7Conventional Hydroelectric0.6 MW OperatingJan 1940
GN11Conventional Hydroelectric0.6 MW OperatingJan 1940
GN16Conventional Hydroelectric0.5 MW OperatingJan 1940
GN17Conventional Hydroelectric0.5 MW OperatingJan 1940
GN12Conventional Hydroelectric0.2 MW OperatingJan 1940
GN13Conventional Hydroelectric0.2 MW OperatingJan 1940
GN14Conventional Hydroelectric0.2 MW OperatingJan 1940
GN15Conventional Hydroelectric0.2 MW OperatingJan 1940
GN18Conventional Hydroelectric0.4 MW RetiredJan 1987Mar 2019
GN19Conventional Hydroelectric0.4 MW RetiredJan 1987Mar 2019
GN20Conventional Hydroelectric0.4 MW RetiredJan 1987Mar 2019

Plant details

Operator
Relevate Power Management LLC
Location
Cumberland County, Maine
Balancing authority
ISNE
Sector
IPP CHP
Capacity
Out of service: 62.5 MW
Operating: 7.2 MW
Retired: 1.2 MW
First unit online
Jan 1903
EIA plant ID
50447

Location

43.6849, -70.3532

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