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Solar Panel Cost in Charleston, South Carolina
Local pricing, savings, and net metering data for Charleston homeowners.
$1,460
Annual Savings
null yrs
Payback Period
-$22,047
Net Cost
$71,917
25-Year Savings
Cost & Savings Breakdown
Based on $150/month electric bill in Charleston
System Size
6.5 kW
Annual Production
9,669 kWh
Gross System Cost
$18,504
Federal Tax Credit (30%)
-$5,551
State Incentive
-$35,000
Net Cost
-$22,047
Monthly Savings
$122
CO₂ Offset/yr
8,895 lbs
25-Year Savings Projection
Utility & Net Metering
Local UtilityDominion Energy SC
Net Metering PolicyFull Retail
Compensation RateFull retail rate
Capacity LimitNo overall limit
Electricity Rate$0.151/kWh
Peak Sun Hours5.1 hrs/day
Available Incentives
30%
Federal ITC — Deduct 30% of your system cost from federal taxes. Available through 2032.
$35,000
South Carolina State Incentive — South Carolina offers a 25% state tax credit up to $35,000 over 5 years.
Common Questions
How much does solar cost in Charleston?
Solar in Charleston, South Carolina costs approximately $18,504 for a 6.5 kW system. After the 30% federal tax credit, your net cost is about -$22,047.
What is the solar payback period in Charleston?
The estimated payback period for solar in Charleston is null years, based on a $150/month electric bill and local sun hours of 5.1 hrs/day.
Does Dominion Energy SC offer net metering?
Dominion Energy SC offers Full Retail net metering. Full retail rate.