World Power Plants

Cowiche is a 1.7 MW hydro power plant in the United States, operated by Yakima-Tieton Irrigation District since 1987. Ranked #1266 of 1469 hydro plants in the United States. Its 1.7 MW represents 0.0014% 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 Cowiche 4,000 times smaller. Nearby plants within 50 km include Sagebrush Power Partners (100.7 MW, Wind), Tieton Dam Hydro Electric Project (13.8 MW, Hydro), and Roza (12.9 MW, Hydro). The facility is located in Washington State, approximately 200 km southeast of Seattle.

Capacity
1.7 MW
Commissioning Year
1987

39 years old

Owner
Yakima-Tieton Irrigation Dist
Location
46.6926°, -120.7372°

United States of America, North America

Context & rankings
  • 8,649. largest of 10,098 plants in United States of America
  • #35,309 worldwide by installed capacity
  • #7,654 of 8,493 Hydroelectric plants worldwide
Age & fleet comparison

39 years in operation

Hydroelectric fleet average: 42.1 years

Operator portfolio

Yakima-Tieton Irrigation Dist operates 2 plants totalling 3 MW

Regional density

22 plants within 100 km, 5,353 MW combined

Nearest plant: Orchard Avenue 1 (11.6 km)

Location

Coordinates:: 46.692600, -120.737200
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Carbon Footprint

Zero Direct Emissions

Cowiche is a hydro power plant producing approximately 6 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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