SunPowerPeek

Best Cities for Solar in Montana

Montana has 8 tracked locations with an average of 4.5 hrs/day of peak sun and $1,027/year in average solar savings. The best location is Billings (59101) with $1,061/year in savings.

8

tracked locations

4.5 hrs

avg peak sun/day

$1,027

avg annual savings

11.5 yrs

avg payback

Solar Data by ZIP Code in Montana

City / ZIPPeak Sun6kW CostAnnual SavingsPayback
Billings 591014.6 hrs$18,600$1,061/yr12.3 yrs
Miles City 593014.6 hrs$18,600$1,061/yr12.3 yrs
Absarokee 590014.5 hrs$18,600$1,038/yr12.6 yrs
Great Falls 594014.5 hrs$18,600$1,038/yr12.6 yrs
Helena 596014.4 hrs$18,600$1,015/yr12.9 yrs
Wolf Point 592014.4 hrs$18,600$1,015/yr12.9 yrs
Butte 597014.4 hrs$18,600$1,015/yr12.9 yrs
Missoula 598014.2 hrs$18,600$969/yr13.5 yrs

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Data verified March 2026 · Source: NREL, DSIRE, EIA