World Power Plants

Mystic is a 12 MW hydroelectric power plant in the United States, operated by NorthWestern Energy since 1925. Ranked #611 of 1,469 hydro plants in the United States. Its 12 MW represents 0.01% 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 Mystic 567 times smaller. There are no nearby plants within 50 km. The facility is located in Montana, approximately 200 km southwest of Billings.

Capacity
12 MW
Commissioning Year
1925

101 years old

Owner
NorthWestern Energy
Location
45.2257°, -109.7625°

United States of America, North America

Context & rankings
  • 4,561. largest of 10,098 plants in United States of America
  • #22,497 worldwide by installed capacity
  • #5,190 of 8,493 Hydroelectric plants worldwide
Age & fleet comparison

101 years in operation

Hydroelectric fleet average: 42.1 years

Operator portfolio

NorthWestern Energy operates 14 plants totalling 489 MW

Regional density

9 plants within 100 km, 142 MW combined

Nearest plant: South Dry Creek Hydro (46.8 km)

Location

Coordinates:: 45.225700, -109.762500
Open in Google Maps
Carbon Footprint

Zero Direct Emissions

Mystic is a hydro power plant producing approximately 42 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.