World Power Plants

Diamond Valley Lake29.7 MW Hydroelectric

HydroRenewableVerified: Jul 2026

Diamond Valley Lake is a 29.7 MW hydro power plant in the United States, operated by the Metropolitan Water District of Southern California since 2001. It represents 0.03% of the United States' total hydro capacity of 117,947 MW and ranks #422 of 1,469 hydro plants in the country. The largest hydro plant in the United States is Grand Coulee Dam at 6,809 MW, making this facility 229 times smaller. Nearby plants within 50 km include Mountainview Generating Station (1,036.8 MW, Gas), Inland Empire Energy Center (819 MW, Gas), and Riverside Energy Resource Center (196 MW, Gas). The facility is located in California, approximately 70 km east of Los Angeles.

Capacity
29.7 MW
Commissioning Year
2001

25 years old

Owner
Metropolitan Water District of S CA
Location
33.6808°, -117.0698°

United States of America, North America

Context & rankings
  • 3,525. largest of 10,098 plants in United States of America
  • #17,009 worldwide by installed capacity
  • #3,905 of 8,493 Hydroelectric plants worldwide
Age & fleet comparison

25 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

261 plants within 100 km, 16,270 MW combined

Nearest plant: Diamond Valley Solar Project (3.6 km)

Location

Coordinates:: 33.680800, -117.069800
Open in Google Maps
Carbon Footprint

Zero Direct Emissions

Diamond Valley Lake is a hydro power plant producing approximately 104 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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