Saint Marys Falls— 23.7 MW Hydroelectric
Saint Marys Falls is a 23.7 MW hydro power plant in the United States, operated by USACE-Detroit District since 1949. Ranked #459 of 1469 hydro plants in the United States. Its 23.7 MW accounts for 0.02% 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 Saint Marys Falls 287 times smaller. Nearby plants within 50 km include Prince Township Wind Farm (189 MW, Wind), Prince (189 MW, Wind), and Lake Superior (110 MW, Gas). The facility is located in Michigan, approximately 20 km northeast of Sault Ste. Marie.
77 years old
United States of America, North America
- 3,722. largest of 10,098 plants in United States of America
- #18,323 worldwide by installed capacity
- #4,256 of 8,493 Hydroelectric plants worldwide
77 years in operation
Hydroelectric fleet average: 42.1 years
USACE-Detroit District operates 1 plants totalling 24 MW
24 plants within 100 km, 1,395 MW combined
Location
Zero Direct Emissions
Saint Marys Falls is a hydro power plant producing approximately 83 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 America — Energy Profile
Nearby Power Plants
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.