Solar Panels in 59401 Great Falls, MT
59401 Great Falls receives 4.5 hrs of peak sun daily. A 6kW system saves $1,038/year with a 12.6-year payback.
Peak Sun Hours
4.5 hrs
per day
6kW System Cost
$18,600
before incentives
Annual Savings
$1,038
per year
Annual Production
8,100
kWh/year
Payback Period
12.6 years
estimated
CO2 Offset
4.9 tons
per year
Solar Cost Breakdown for 59401
| Item | Amount |
|---|---|
| 6kW System Cost | $18,600 |
| Federal Tax Credit (30%) | -$5,580 |
| Net Cost (after federal credit) | $13,020 |
| Annual Savings | $1,038/yr |
| 20-Year Net Savings | $7,740 |
Other ZIP Codes in Montana
Frequently Asked Questions
How much do solar panels cost in 59401 Great Falls?
A 6kW solar system in 59401 Great Falls costs approximately $18,600 before the 30% federal tax credit. After the credit, net cost is approximately $13,020.
How much will I save with solar in 59401?
Homeowners in 59401 can save approximately $1,038 per year with a 6kW system, producing 8,100 kWh annually. Over 20 years, total savings are approximately $7,740.
How much sun does 59401 Great Falls get?
59401 Great Falls averages 4.5 peak sun hours per day, which determines solar panel output. A 6kW system here produces approximately 8,100 kWh per year.
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Data verified March 2026 · Source: NREL, DSIRE, EIA