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United States › Power plants › Hydroelectric plants › New York

HYDROELECTRIC PLANTS

Effley

Effley is a 3.0 MW operating hydroelectric plant in Lewis County, New York, operated by Erie Boulevard Hydropower LP.

Plant statusOperating
  1. Planning (completed)
  2. Consented (completed)
  3. Construction (completed)
  4. OperatingJan 1902 (current stage)
  5. Closed (not yet reached)

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Generators

Each generating unit EIA lists at this plant.

UnitTechnologyCapacityStatusOnlineRetired / planned retirement
4Conventional Hydroelectric1.6 MW OperatingJan 1923
3Conventional Hydroelectric0.6 MW OperatingJan 1910
1Conventional Hydroelectric0.4 MW OperatingJan 1902
2Conventional Hydroelectric0.4 MW Out of service, expected to returnJan 1907

Plant details

Operator
Erie Boulevard Hydropower LP
Location
Lewis County, New York
Balancing authority
NYIS
Sector
IPP Non-CHP
Capacity
Operating: 3.0 MW
First unit online
Jan 1902
EIA plant ID
2557

Location

43.9228, -75.2779

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