SunPowerPeek

Best Cities for Solar in New Hampshire

New Hampshire has 4 tracked locations with an average of 3.7 hrs/day of peak sun and $1,729/year in average solar savings. The best location is Portsmouth (03801) with $1,763/year in savings.

4

tracked locations

3.7 hrs

avg peak sun/day

$1,729

avg annual savings

7.2 yrs

avg payback

Solar Data by ZIP Code in New Hampshire

City / ZIPPeak Sun6kW CostAnnual SavingsPayback
Portsmouth 038013.8 hrs$20,100$1,763/yr8 yrs
Amherst 030013.7 hrs$20,100$1,717/yr8.2 yrs
Manchester 031013.7 hrs$20,100$1,717/yr8.2 yrs
Concord 033013.7 hrs$20,100$1,717/yr8.2 yrs

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