World Power Plants

Cataract Hydro6.6 MW Hydroelectric

HydroRenewableVerified: Jul 2026

Cataract Hydro is a 6.6 MW hydroelectric power plant in the United States, operated by Brookfield White Pine Hydro LLC since 1937. Ranked #794 of 1469 hydro plants in the United States, it contributes 0.01% 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 Cataract 1,032 times smaller. Nearby plants include William F Wyman Hybrid (862.7 MW, Oil), Essential Power Newington LLC (605.5 MW, Gas), and Westbrook Energy Center Power Plant (563.9 MW, Gas). The facility is located in Maine, approximately 80 km south of Portland.

Capacity
6.6 MW
Commissioning Year
1937

89 years old

Owner
Brookfield White Pine Hydro LLC
Location
43.4956°, -70.4472°

United States of America, North America

Context & rankings
  • 5,429. largest of 10,098 plants in United States of America
  • #26,951 worldwide by installed capacity
  • #6,110 of 8,493 Hydroelectric plants worldwide
Age & fleet comparison

89 years in operation

Hydroelectric fleet average: 42.1 years

Operator portfolio

Brookfield White Pine Hydro LLC operates 18 plants totalling 321 MW

Regional density

70 plants within 100 km, 6,132 MW combined

Nearest plant: Skelton (12.3 km)

Location

Coordinates:: 43.495600, -70.447200
Open in Google Maps
Carbon Footprint

Zero Direct Emissions

Cataract Hydro is a hydro power plant producing approximately 23 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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