World Power Plants

East Portal Generator1.2 MW Hydroelectric

HydroRenewableVerified: Jul 2026

East Portal Generator is a 1.2 MW hydro power plant in the United States, operated by Calleguas Mun Water District and commissioned in 1987. Ranked #1384 of 1469 hydro plants in the United States. Its 1.2 MW represents 0.001% 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 East Portal Generator 5,674 times smaller. Nearby plants include Castaic (1682 MW, Hydro), Scattergood Generating Station (876 MW, Gas), and Scattergood (876 MW, Gas). The facility is located in California, approximately 50 km from Los Angeles.

Capacity
1.2 MW
Commissioning Year
1987

39 years old

Owner
Calleguas Mun Water District
Location
34.2619°, -118.6242°

United States of America, North America

Context & rankings
  • 9,316. largest of 10,098 plants in United States of America
  • #36,836 worldwide by installed capacity
  • #7,951 of 8,493 Hydroelectric plants worldwide
Age & fleet comparison

39 years in operation

Hydroelectric fleet average: 42.1 years

Operator portfolio

Calleguas Mun Water District operates 2 plants totalling 2 MW

Regional density

338 plants within 100 km, 25,870 MW combined

Nearest plant: Nordhoff Place (6.1 km)

Location

Coordinates:: 34.261900, -118.624200
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Carbon Footprint

Zero Direct Emissions

East Portal Generator is a hydro power plant producing approximately 4 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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