SunPowerPeek

Best Cities for Solar in South Carolina

South Carolina has 10 tracked locations with an average of 4.8 hrs/day of peak sun and $1,257/year in average solar savings. The best location is Charleston (29401) with $1,298/year in savings.

10

tracked locations

4.8 hrs

avg peak sun/day

$1,257

avg annual savings

9 yrs

avg payback

Solar Data by ZIP Code in South Carolina

City / ZIPPeak Sun6kW CostAnnual SavingsPayback
Charleston 294015.0 hrs$17,100$1,298/yr9.2 yrs
Beaufort 299015.0 hrs$17,100$1,298/yr9.2 yrs
Columbia 292014.9 hrs$17,100$1,273/yr9.4 yrs
Aiken 298014.9 hrs$17,100$1,273/yr9.4 yrs
Florence 295014.9 hrs$17,100$1,273/yr9.4 yrs
Alcolu 290014.8 hrs$17,100$1,247/yr9.6 yrs
McBee 291014.8 hrs$17,100$1,247/yr9.6 yrs
Greenville 296014.7 hrs$17,100$1,221/yr9.8 yrs
Spartanburg 293014.7 hrs$17,100$1,221/yr9.8 yrs
Clover 297014.7 hrs$17,100$1,221/yr9.8 yrs

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