World Power Plants

Cooper Lake19.4 MW Hydroelectric

HydroRenewableVerified: Jul 2026

Cooper Lake is a 19.4 MW hydro power plant in the United States, operated by Chugach Electric Assn Inc since 1960. Ranked #499 of 1469 hydro plants in the United States. Its 19.4 MW represents 0.02% of the United States' 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 Cooper Lake 351 times smaller. Nearby plants within 50 km include Seward (15.6 MW, Oil). The facility is located in Alaska, approximately 200 km southeast of Anchorage.

Capacity
19.4 MW
Commissioning Year
1960

66 years old

Owner
Chugach Electric Assn Inc
Location
60.3923°, -149.6656°

United States of America, North America

Context & rankings
  • 4,079. largest of 10,098 plants in United States of America
  • #20,011 worldwide by installed capacity
  • #4,539 of 8,493 Hydroelectric plants worldwide
Age & fleet comparison

66 years in operation

Hydroelectric fleet average: 42.1 years

Operator portfolio

Chugach Electric Assn Inc operates 4 plants totalling 566 MW

Regional density

9 plants within 100 km, 880 MW combined

Nearest plant: Seward (AK) (31.7 km)

Location

Coordinates:: 60.392300, -149.665600
Open in Google Maps
Carbon Footprint

Zero Direct Emissions

Cooper Lake is a hydro power plant producing approximately 68 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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