Is Solar Worth It in Great Falls, MT? (2026 Analysis)

Detailed solar ROI analysis for Great Falls, Montana. With 4.6 peak sun hours and electricity at $0.11/kWh, here is what you can expect from going solar.

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$17,057 20-Year Savings
7 yrs Break-Even Timeline
$8,800 Net Cost After Incentives
4.6 hrs Peak Sun Hours/Day
$0.11/kWh Electricity Rate (increasing)
60,442 Population

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20-Year Solar Savings Projection for Great Falls

This projection is based on a 7 kW system with 4.6 peak sun hours and $0.11/kWh electricity rate.

PeriodCumulative SavingsNet PositionStatus
Year 1$1,293$-7,507Paying off
Year 2$2,586$-6,214Paying off
Year 3$3,879$-4,921Paying off
Year 4$5,172$-3,628Paying off
Year 5$6,465$-2,335Paying off
Year 7$9,051$251Profitable
Year 9$11,637$2,837Profitable
Year 11$14,223$5,423Profitable
Year 16$20,688$11,888Profitable
Year 20$25,860$17,060Profitable

Estimates assume stable electricity rates. Actual savings may increase as rates rise.

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Solar Investment Breakdown for Great Falls

Gross System Cost 14000
Federal Tax Credit (30%) 4200
State Incentives 1000
Net Cost 8800
Annual Savings 1293

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Local Solar Incentives in Great Falls

Local Programs: Federal ITC plus applicable state and local incentives

Electricity Trend: Rates in Great Falls are currently increasing. Solar locks in your energy costs and provides a hedge against future rate increases.

State Incentives: Montana offers a $1,000 rebate, net metering (full). See all Montana incentives.

Financing Options for Great Falls Homeowners

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CashBest ROI. Own immediately.
LoanOwn system + tax credits.
Lease/PPA$0 down. Lower savings.

Best Solar Providers in Great Falls

ProviderTypeHighlightRatingAction
EnergySageMarketplaceCompare Great Falls installers4.8/5Get Quotes
SunrunInstaller$0 down solar in MT4.5/5View Plans
SunPowerPremiumHighest efficiency panels4.6/5Get Quote

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Frequently Asked Questions

Yes. With 4.6 average peak sun hours per day and electricity rates at $0.11/kWh (increasing trend), solar is a strong investment in Great Falls. The estimated 20-year savings is $17,057 with a break-even period of approximately 7 years.
The average solar installation in the Great Falls area costs approximately $14,000 for a 7 kW system before incentives. After the 30% federal tax credit and state incentives, the net cost drops to approximately $8,800.
Federal ITC plus applicable state and local incentives The 30% federal Investment Tax Credit (ITC) is available to all Great Falls homeowners. Check your specific state and utility for additional programs.
A typical home in Great Falls uses a 7 kW system (approximately 18 panels). This produces roughly 11,753 kWh per year based on 4.6 peak sun hours per day.
Electricity rates in Great Falls are currently increasing. The current average rate is $0.11/kWh. Solar locks in your energy costs and protects against future rate increases.

SolarSavingsAI Research Team

Solar Energy Analysts

Our team analyzes solar incentive data from federal (DOE, IRS), state (DSIRE), and utility sources to provide accurate savings estimates. Data is reviewed quarterly and cross-referenced with NREL benchmarks.

Sources: DOE, IRS, DSIRE, NREL, EIA Updated: 2026 Full Methodology Editorial Standards

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