World Power Plants

Headgate Rock19.5 MW Hydroelectric

HydroRenewableVerified: Jul 2026

Headgate Rock is a 19.5 MW hydro power plant in the United States, operated by Colorado River Indian Irr Proj since 1993. Ranked #498 of 1469 hydro plants in the United States. Its 19.5 MW represents 0.0165% of the United States' total hydro capacity of 117,947 MW. The largest hydro plant in the United States is Grand Coulee Dam at 6,809 MW, making Headgate Rock 349 times smaller. Nearby plants within 50 km include Parker Dam (120 MW, Hydro). The facility is located in Arizona, approximately 150 km northwest of Phoenix.

Capacity
19.5 MW
Commissioning Year
1993

33 years old

Owner
Colorado River Indian Irr Proj
Location
34.1683°, -114.2774°

United States of America, North America

Context & rankings
  • 4,072. largest of 10,098 plants in United States of America
  • #19,984 worldwide by installed capacity
  • #4,530 of 8,493 Hydroelectric plants worldwide
Age & fleet comparison

33 years in operation

Hydroelectric fleet average: 42.1 years

Operator portfolio

Colorado River Indian Irr Proj operates 1 plants totalling 20 MW

Regional density

24 plants within 100 km, 3,068 MW combined

Nearest plant: Parker Dam (18.9 km)

Location

Coordinates:: 34.168300, -114.277400
Open in Google Maps
Carbon Footprint

Zero Direct Emissions

Headgate Rock 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
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