World Power Plants

Grahamsville18 MW Hydroelectric

HydroRenewableVerified: Jul 2026

Grahamsville is an 18 MW hydro power plant in the United States, operated by New York Power Authority since 1956. Ranked #508 of 1469 hydro plants in the United States. Its 18 MW represents 0.02% of the country's total hydro capacity of 117,947 MW. The largest hydro plant in the United States is Grand Coulee Dam at 6,809 MW, making Grahamsville 378.3 times smaller. Nearby plants within 50 km include CPV Valley Energy Center (770 MW, Gas), Shoemaker (41.9 MW, Gas), and Neversink (25 MW, Hydro). The facility is located in New York, approximately 90 km northwest of New York City.

Capacity
18 MW
Commissioning Year
1956

70 years old

Owner
New York Power Authority
Location
41.8592°, -74.5106°

United States of America, North America

Context & rankings
  • 4,139. largest of 10,098 plants in United States of America
  • #20,292 worldwide by installed capacity
  • #4,616 of 8,493 Hydroelectric plants worldwide
Age & fleet comparison

70 years in operation

Hydroelectric fleet average: 42.1 years

Operator portfolio

New York Power Authority operates 19 plants totalling 5,870 MW

Regional density

100 plants within 100 km, 12,292 MW combined

Nearest plant: Neversink (11.3 km)

Location

Coordinates:: 41.859200, -74.510600
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Carbon Footprint

Zero Direct Emissions

Grahamsville is a hydro power plant producing approximately 63 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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