World Power Plants

Rio Hondo is a 1.9 MW hydro power plant in the United States, operated by the Metropolitan Water District of Southern California and commissioned in 1984. Ranked #1233 of 1469 hydro plants in the United States. Its 1.9 MW accounts for 0.0016% of the total hydro capacity of 117,947 MW in the country. The largest hydro plant in the United States is the Grand Coulee Dam at 6,809 MW, making Rio Hondo 3,580 times smaller. Nearby plants include Alamitos Generating Station (1,893 MW, Gas), Haynes (1,739.1 MW, Gas), and AES Alamitos LLC (1,115 MW, Gas). The facility is located in California, approximately 40 km southeast of Los Angeles.

Capacity
1.9 MW
Commissioning Year
1984

42 years old

Owner
Metropolitan Water District of S CA
Location
34.0047°, -118.0992°

United States of America, North America

Context & rankings
  • 8,404. largest of 10,098 plants in United States of America
  • #34,809 worldwide by installed capacity
  • #7,565 of 8,493 Hydroelectric plants worldwide
Age & fleet comparison

42 years in operation

Hydroelectric fleet average: 42.1 years

Operator portfolio

Metropolitan Water District of S CA operates 17 plants totalling 134 MW

Regional density

363 plants within 100 km, 25,995 MW combined

Nearest plant: Whittier LFG Power Plant #1 (6 km)

Location

Coordinates:: 34.004700, -118.099200
Open in Google Maps
Carbon Footprint

Zero Direct Emissions

Rio Hondo is a hydro power plant producing approximately 7 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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