World Power Plants

Puueo is a 3.1 MW hydro power plant in the United States, operated by Hawaii Electric Light Co Inc since 1985. Ranked #1062 of 1469 hydro plants in the United States. Its 3.1 MW represents a fraction of the total hydro capacity of 117,947 MW in the country. The largest hydro plant in the United States is Grand Coulee Dam at 6,809 MW, making Puueo 2,197 times smaller. Nearby plants within 50 km include Hamakua Energy Plant (66 MW, Oil), Puna Geothermal Venture I (51 MW, Geothermal), and Puna (39.1 MW, Oil). The facility is located in Hawaii, approximately 40 km from Hilo.

Capacity
3.1 MW
Commissioning Year
1985

41 years old

Owner
Hawaii Electric Light Co Inc
Location
19.7264°, -155.0908°

United States of America, North America

Context & rankings
  • 7,206. largest of 10,098 plants in United States of America
  • #32,033 worldwide by installed capacity
  • #7,014 of 8,493 Hydroelectric plants worldwide
Age & fleet comparison

41 years in operation

Hydroelectric fleet average: 42.1 years

Operator portfolio

Hawaii Electric Light Co Inc operates 7 plants totalling 198 MW

Regional density

11 plants within 100 km, 333 MW combined

Nearest plant: Waiau Hydro (3 km)

Location

Coordinates:: 19.726400, -155.090800
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Carbon Footprint

Zero Direct Emissions

Puueo is a hydro power plant producing approximately 11 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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