World Power Plants

Upper Salmon B is a 16.5 MW hydro power plant in the United States, operated by Idaho Power Co since 1947. Ranked #531 of 1469 hydro plants in the United States. Its 16.5 MW represents 0.01% 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 Upper Salmon B 412 times smaller. Nearby plants within 50 km include Bliss (75 MW, Hydro), Lower Salmon (60 MW, Hydro), and High Mesa (40 MW, Wind). The facility is located in Idaho, approximately 160 km southwest of Boise.

Capacity
16.5 MW
Commissioning Year
1947

79 years old

Owner
Idaho Power Co
Location
42.7664°, -114.9082°

United States of America, North America

Context & rankings
  • 4,234. largest of 10,098 plants in United States of America
  • #20,762 worldwide by installed capacity
  • #4,757 of 8,493 Hydroelectric plants worldwide
Age & fleet comparison

79 years in operation

Hydroelectric fleet average: 42.1 years

Operator portfolio

Idaho Power Co operates 22 plants totalling 2,561 MW

Regional density

68 plants within 100 km, 1,560 MW combined

Nearest plant: Upper Salmon A (1.4 km)

Location

Coordinates:: 42.766400, -114.908200
Open in Google Maps
Carbon Footprint

Zero Direct Emissions

Upper Salmon B is a hydro power plant producing approximately 58 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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