Solar in Charleston, SC
Everything you need to know about going solar in Charleston — local sun hours, electric rates, installation costs, and available programs.
5 hrs/day
Peak Sun Hours
14¢/kWh
Avg Electric Rate
$2.60/W
Solar Cost/Watt
Dominion Energy SC
Top Utility
Sample 8 kW System
$14,560
After 30% ITC
($20,800 before)
$2,044/yr
Est. Annual Savings
14,600 kWh/yr
7.1 yrs
Est. Payback
Estimates based on local averages for an 8 kW system. Actual results depend on roof, shading, utility plan, and consumption.
Local Programs
Net MeteringAvailable
Community SolarLimited/No
South Carolina solar tax credit (25% of cost) stacks with federal ITC.