World Power Plants

Harriman is a 33.6 MW hydro power plant in the United States, operated by Great River Hydro LLC and commissioned in 1924. Ranked #393 of 1,469 hydro plants in the United States, Harriman's capacity accounts for 0.03% of the total hydro capacity of 117,947 MW. The largest hydro plant in the United States is the Grand Coulee Dam at 6,809 MW, making Harriman 202.5 times smaller. Nearby plants within 50 km include Northfield Mountain (1,168 MW, Hydro) and Bear Swamp (600 MW, Hydro). The facility is located in Massachusetts, approximately 100 km from Springfield.

Capacity
33.6 MW
Commissioning Year
1924

102 years old

Owner
Great River Hydro LLC
Location
42.7936°, -72.9144°

United States of America, North America

Context & rankings
  • 3,384. largest of 10,098 plants in United States of America
  • #16,033 worldwide by installed capacity
  • #3,704 of 8,493 Hydroelectric plants worldwide
Age & fleet comparison

102 years in operation

Hydroelectric fleet average: 42.1 years

Operator portfolio

Great River Hydro LLC operates 13 plants totalling 558 MW

Regional density

295 plants within 100 km, 10,027 MW combined

Nearest plant: Sherman (7.2 km)

Location

Coordinates:: 42.793600, -72.914400
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Carbon Footprint

Zero Direct Emissions

Harriman is a hydro power plant producing approximately 118 GWh of clean electricity per year with zero direct CO₂ emissions during operation.

Lifecycle emissions: ~24 g CO₂/kWh (manufacturing, transport, decommissioning)

Technical Details

Primary Fuel Type
Hydro
Energy Source
Renewable
Country
United States of America
Continent
North America
Data Source
Global Power Plant Database

United States of AmericaEnergy Profile

10,098
Total Plants
1420.7 GW
Total Capacity
GasCoalNuclearWind
Top Fuels

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