Best Cities for Solar in Delaware
Delaware has 4 tracked locations with an average of 4.3 hrs/day of peak sun and $1,144/year in average solar savings. The best location is Dover (19901) with $1,157/year in savings.
4
tracked locations
4.3 hrs
avg peak sun/day
$1,144
avg annual savings
9.8 yrs
avg payback
Solar Data by ZIP Code in Delaware
| City / ZIP | Peak Sun | 6kW Cost | Annual Savings | Payback |
|---|---|---|---|---|
| Dover 19901 | 4.3 hrs | $18,000 | $1,157/yr | 10.9 yrs |
| Rehoboth Beach 19971 | 4.3 hrs | $18,000 | $1,157/yr | 10.9 yrs |
| Bear 19701 | 4.2 hrs | $18,000 | $1,130/yr | 11.2 yrs |
| Wilmington 19801 | 4.2 hrs | $18,000 | $1,130/yr | 11.2 yrs |
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Data verified March 2026 · Source: NREL, DSIRE, EIA