Solar Panel ROI in Montana
· Source: NREL PVWatts
Is solar worth it in MT? Here's what the data says.
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25-Year ROI Timeline
With a 14.7-year payback, your system spends 10.3 years in profit after breaking even.
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Montana vs National Average
How We Calculated This
Our solar ROI calculations use data from the National Renewable Energy Laboratory (NREL) PVWatts API, which models solar energy production based on location-specific solar irradiance, weather patterns, and panel tilt angles. We assume a standard 6kW residential system with south-facing panels at optimal tilt.
Electricity rates are sourced from the U.S. Energy Information Administration (EIA). Annual savings are calculated by multiplying estimated production by the local electricity rate. The ROI score represents total 25-year savings divided by system cost.
These estimates do not include the federal 30% ITC tax credit, state incentives, SRECs, or utility rebates, which can significantly reduce the effective payback period.
Solar ROI by Zip Code in Montana
Explore solar data for specific zip codes in Montana. Click any zip code for a full local breakdown.
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Solar Outlook for Montana
Montana receives 4.71 kWh/m²/day — 5% below the national average. Lower electricity rates of $0.121/kWh extend the payback to 14.7 years, though the federal 30% ITC and state incentives can meaningfully improve the economics.
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