NorthSolarCalc › By State › Montana
🦅 Montana Solar Panel Calculator 2025
Montana's wide open spaces and clear skies are ideal for rooftop solar.
$
$20$800+
Avg rate: $0.121/kWh · 5.1 peak sun hrs/day
Your Solar Estimate for Montana
10 kW
System Size
recommended
11.1 yrs
Payback Period
break-even
$45,698
25-Year Savings
net profit
5.7t
CO₂ Offset
per year
Estimated installation cost$28,469
US Federal Tax Credit (30% IRA)− $8,541
Net cost to you$19,929
Annual electricity savings$1,800/yr
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Montana Solar Facts (2025)
$0.121/kWh
Avg Electricity Rate
5.1 hours
Daily Peak Sun Hours
30% Federal Tax Credit (IRA)
Federal Incentive
Net Metering in Montana
Montana offers full net metering — you receive full retail credit for excess solar energy sent back to the grid. This maximizes your savings and shortens your payback period.
Frequently Asked Questions
Is solar worth it in Montana?+
Montana's wide open spaces and clear skies are ideal for rooftop solar. With a payback period calculated from local rates of $0.121/kWh and 5.1 peak sun hours per day, solar can be a strong investment in Montana.
What is the solar tax credit in Montana for 2025?+
Montana homeowners qualify for the federal 30% Investment Tax Credit (ITC) under the Inflation Reduction Act, valid through 2032. This means 30% of your total installation cost is deducted directly from your federal tax bill.
How long does solar take to pay back in Montana?+
Payback period in Montana depends on your monthly electricity bill, roof orientation, and system size. Use the calculator above with your actual monthly bill to get a personalized estimate based on local rates of $0.121/kWh.
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