Is Solar Worth It in Montana?
Yes — solar is a solid choice in Montana.
Good sun and net metering support payback in 8–11 years.
Average Cost of Solar in Montana (2026)
The total cost of a residential solar system depends on system size, roof type, and installer pricing.
Typical 6–8 kW system:
- Average cost before incentives: $15,000 – $22,000
- Federal tax credit (30%): -$4,500 – $6,600
- Average net cost after federal credit: $10,500 – $15,400
The federal 30% Residential Clean Energy Credit is administered through the Internal Revenue Service.
Typical systems are 6–8 kW.
Solar Incentives in Montana
1. Federal Solar Tax Credit (30%)
30% of installation costs deductible from federal taxes.
2. Net Metering
Montana has net metering; terms vary by utility.
3. State & Utility
Check DSIRE for current incentives.
Electricity Rates in Montana
Montana rates are often near the national average.
A typical Montana homeowner spends $1,200–$1,800 per year on electricity.
Solar can offset most or all of this cost.
Payback Period in Montana
Most homeowners see:
- Payback period: 8–11 years
- 25-year savings: $22,000–$50,000+
Savings depend on roof orientation, local utility rates, system size, and financing method.
Best Cities for Solar in Montana
Solar performs well statewide, but adoption is strongest in:
- Billings
- Missoula
- Great Falls
- Bozeman
Suburban homes with south-facing roofs tend to achieve the highest ROI.
Is Solar Worth It in Montana? (Summary)
Solar makes the most sense if:
- You plan to stay 8+ years
- Your roof has good sun
- You qualify for the federal tax credit
Solar makes sense for homeowners with good exposure and 8+ year plans.
How to Calculate Your Montana Solar Savings
Every home is different.
To get a personalized estimate, use the calculator on this page: enter your ZIP, monthly bill, and optional system size to see projected savings and payback.