Power Plants Near 59620 — Helena, MT

7 power plants within 50 miles of ZIP 59620 (Helena, Montana). Click any plant for capacity, generation, emissions, and generator-level detail.

Centroid: 46.5927, -112.0361 · County: Lewis And Clark

Hydroelectric 96%Solar 4%

Distance	Plant	Fuel	Capacity	Operator
7.2 mi	Green Meadow Solar, Llc Helena, MT	Solar	3 MW	Adapture Renewables, Inc.
13.9 mi	Hauser Helena, MT	Hydroelectric	19 MW	Northwestern Energy (Mt Hydro)
15.1 mi	Canyon Ferry Helena, MT	Hydroelectric	52 MW	U S Bureau Of Reclamation
17.8 mi	Great Divide Solar, Llc Canyon Creek, MT	Solar	3 MW	Adapture Renewables, Inc.
27.6 mi	Holter Wolf Creek, MT	Hydroelectric	57 MW	Northwestern Energy (Mt Hydro)
44.3 mi	Broadwater Power Project Toston, MT	Hydroelectric	10 MW	Montana Dept-Natural Res&consv
49.3 mi	Oportunity Solar Generation And Bess Tbd, MT	Battery Storage	—	Oppo Bn, Llc

Power generation near this area

There are 7 power plants within 50 miles of Helena, Montana (ZIP 59620), with a combined 144 MW of nameplate capacity. Hydroelectric is the most common fuel type in this area with 4 of the 7 nearby plants. The closest plant is Green Meadow Solar, Llc at 7.2 miles.

Nameplate capacity is the maximum output a plant can produce under ideal conditions — actual generation depends on fuel availability, demand, and maintenance schedules. Capacity factor (shown on individual plant pages) measures how much of that theoretical maximum a plant actually delivers over a year. Nuclear plants typically run above 90%; solar and wind range from 20–45% depending on location and weather.

All data comes from federal EIA and EPA releases. For a printable version of this proximity search, use the report link below. To explore all plants in Montana, visit the Montana state page.

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