🔌 EV Partnership Switch to Octopus Energy & unlock exclusive smart EV charging rates Find out more → Skip to main content

United States › Power plants › Hydroelectric plants › Massachusetts

HYDROELECTRIC PLANTS

Deerfield 3

Deerfield 3 is a 4.8 MW operating hydroelectric plant in Franklin County, Massachusetts, operated by Great River Hydro, LLC.

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

Open in Google MapsMore hydroelectric plants in Massachusetts

Generators

Each generating unit EIA lists at this plant.

UnitTechnologyCapacityStatusOnlineRetired / planned retirement
GEN1Conventional Hydroelectric1.6 MW OperatingAug 1912
GEN2Conventional Hydroelectric1.6 MW OperatingAug 1912
GEN3Conventional Hydroelectric1.6 MW OperatingAug 1912

Plant details

Operator
Great River Hydro, LLC
Location
Franklin County, Massachusetts
Balancing authority
ISNE
Sector
IPP Non-CHP
Capacity
Operating: 4.8 MW
First unit online
Aug 1912
EIA plant ID
6083

Location

42.5995, -72.7335

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