World Power Plants

Keokuk is a 124.8 MW hydroelectric power plant located in the United States, operated by Union Electric Co - (MO). Commissioned in 1913, it harnesses the energy of the river to produce electricity. This plant ranks as the 165th largest hydro facility in the United States. With a capacity of 124.8 MW, it represents about 0.11% of the country's total hydro generation capacity of 117,947 MW. The U.S. has 1,469 hydro plants with a combined capacity of 117,947 MW. In comparison, the largest hydro plant, Grand Coulee Dam at 6,809 MW, is over 54 times larger than Keokuk. Hydropower is an essential part of the U.S. energy landscape, providing approximately 10% of the total electricity generation. The Keokuk plant utilizes the flow of the Mississippi River, contributing to regional energy needs. It is located in Iowa, approximately 200 km north of St. Louis, Missouri.

Capacity
124.8 MW
Commissioning Year
1913

113 years old

Owner
Union Electric Co - (MO)
Location
40.3965°, -91.3719°

United States of America, North America

Context & rankings
  • 1,899. largest of 10,098 plants in United States of America
  • #9,144 worldwide by installed capacity
  • #2,006 of 8,493 Hydroelectric plants worldwide
  • 0.01% of the installed capacity of United States of America
Age & fleet comparison

113 years in operation

Hydroelectric fleet average: 42.1 years

Operator portfolio

Union Electric Co - (MO) operates 19 plants totalling 11,429 MW

Regional density

19 plants within 100 km, 544 MW combined

Nearest plant: Roquette America (2.1 km)

Location

Coordinates:: 40.396500, -91.371900
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Carbon Footprint

Zero Direct Emissions

Keokuk is a hydro power plant producing approximately 437 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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