Solar Permit Requirements in Montana

Installing solar panels in Montana requires permits from your local building department. Below you will find city-specific permit costs, timelines, and document requirements to help you plan your solar project.

full

Net Metering

None

State Tax Credit

13¢/kWh

Avg Electricity Rate

Cities in Montana

Select your city for specific permit costs, timelines, and required documents for solar installation.

Billings

13.2¢/kWh · 4.6h sun/day

Avg bill: $122/mo · NorthWestern Energy

Missoula

13¢/kWh · 4.3h sun/day

Avg bill: $118/mo · NorthWestern Energy

Great Falls

12.8¢/kWh · 4.5h sun/day

Avg bill: $115/mo · NorthWestern Energy

Bozeman

13¢/kWh · 4.5h sun/day

Avg bill: $120/mo · NorthWestern Energy

Helena

12.8¢/kWh · 4.4h sun/day

Avg bill: $115/mo · NorthWestern Energy

Butte

13¢/kWh · 4.3h sun/day

Avg bill: $112/mo · NorthWestern Energy

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