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United States › Power plants › Hydroelectric plants › New York

HYDROELECTRIC PLANTS

High Dam

High Dam is a 11.9 MW operating hydroelectric plant in Oswego County, New York, operated by Oswego, City of - (NY).

Plant statusOperating
  1. Planning (completed)
  2. Consented (completed)
  3. Construction (completed)
  4. OperatingAug 1928 (current stage)
  5. Closed (not yet reached)

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Generators

Each generating unit EIA lists at this plant.

UnitTechnologyCapacityStatusOnlineRetired / planned retirement
4Conventional Hydroelectric3.5 MW OperatingAug 1949
1Conventional Hydroelectric2.8 MW Out of service, expected to returnAug 1928
2Conventional Hydroelectric2.8 MW OperatingAug 1928
3Conventional Hydroelectric2.8 MW OperatingAug 1928

Plant details

Operator
Oswego, City of - (NY)
Location
Oswego County, New York
Balancing authority
NYIS
Sector
Electric Utility
Capacity
Operating: 11.9 MW
First unit online
Aug 1928
EIA plant ID
2574

Location

43.4436, -76.4961

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