World Power Plants

Byllesby 221.6 MW Hydroelectric

HydroRenewableVerified: Jul 2026

Byllesby 2 is a 21.6 MW hydro power plant in the United States, operated by Appalachian Power Co since 1912. Ranked #479 of 1469 hydro plants in the United States. Its 21.6 MW represents 0.02% 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 Byllesby 2 315 times smaller. Nearby plants within 50 km include Claytor (74.8 MW, Hydro) and Radford Army Ammunition Plant (18 MW, Gas). The facility is located in Virginia, approximately 100 km southwest of Roanoke.

Capacity
21.6 MW
Commissioning Year
1912

114 years old

Owner
Appalachian Power Co
Location
36.7858°, -80.9333°

United States of America, North America

Context & rankings
  • 3,815. largest of 10,098 plants in United States of America
  • #18,707 worldwide by installed capacity
  • #4,353 of 8,493 Hydroelectric plants worldwide
Age & fleet comparison

114 years in operation

Hydroelectric fleet average: 42.1 years

Operator portfolio

Appalachian Power Co operates 15 plants totalling 6,656 MW

Regional density

29 plants within 100 km, 2,708 MW combined

Nearest plant: Buck Hydro (2.5 km)

Location

Coordinates:: 36.785800, -80.933300
Open in Google Maps
Carbon Footprint

Zero Direct Emissions

Byllesby 2 is a hydro power plant producing approximately 76 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

See Incorrect or Missing Data?

Help us improve our database by reporting any corrections or updates. Your contribution helps keep our global power plant data accurate and up-to-date.