Holter— 38.4 MW Hydroelectric
Holter is a 38.4 MW hydroelectric power plant in the United States, operated by NorthWestern Energy since 1918. Ranked #369 of 1469 hydro plants in the United States, it accounts for 0.03% of the total hydro capacity of 117,947 MW. The largest hydro plant in the United States is Grand Coulee Dam at 6,809 MW, making Holter 177 times smaller. Nearby plants include Canyon Ferry (49.8 MW, Hydro), Hauser (17.7 MW, Hydro), and Green Meadow Solar LLC (3 MW, Solar). The facility is located in Montana, approximately 100 km from the city of Helena.
108 years old
United States of America, North America
- 3,271. largest of 10,098 plants in United States of America
- #15,477 worldwide by installed capacity
- #3,550 of 8,493 Hydroelectric plants worldwide
108 years in operation
Hydroelectric fleet average: 42.1 years
NorthWestern Energy operates 14 plants totalling 489 MW
14 plants within 100 km, 393 MW combined
Location
Zero Direct Emissions
Holter is a hydro power plant producing approximately 135 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.