World Power Plants

Guntersville115.2 MW Hydroelectric

HydroRenewableVerified: Jul 2026

Guntersville is a 115.2 MW hydroelectric power plant located in the United States, operated by the Tennessee Valley Authority since its commissioning in 1942. This facility generates electricity from hydropower, contributing to the national renewable energy capacity. It ranks as the 173rd largest hydro plant in the United States. With a capacity of 115.2 MW, it represents 0.1% of the country's total hydro capacity of 117,947 MW. The United States has 1,469 hydro plants with a combined capacity of 117,947 MW. Compared to the largest hydro plant, Grand Coulee Dam at 6,809 MW, Guntersville is approximately 1.7% the size. Hydropower is a significant part of the United States' energy mix, accounting for about 6% of total electricity generation. The Guntersville plant utilizes the Tennessee River, which is a critical waterway in the region. The facility is located in Alabama, approximately 50 miles from Huntsville.

Capacity
115.2 MW
Commissioning Year
1942

84 years old

Owner
Tennessee Valley Authority
Location
34.4213°, -86.3939°

United States of America, North America

Context & rankings
  • 1,977. largest of 10,098 plants in United States of America
  • #9,468 worldwide by installed capacity
  • #2,126 of 8,493 Hydroelectric plants worldwide
  • 0.01% of the installed capacity of United States of America
Age & fleet comparison

84 years in operation

Hydroelectric fleet average: 42.1 years

Operator portfolio

Tennessee Valley Authority operates 60 plants totalling 47,132 MW

Regional density

20 plants within 100 km, 9,551 MW combined

Nearest plant: Albertville (16.9 km)

Location

Coordinates:: 34.421300, -86.393900
Open in Google Maps
Carbon Footprint

Zero Direct Emissions

Guntersville is a hydro power plant producing approximately 404 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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