Is Solar Worth It in South Carolina?
Yes — solar is attractive in South Carolina.
Strong sun and net metering support payback in 7–10 years.
Average Cost of Solar in South Carolina (2026)
The total cost of a residential solar system depends on system size, roof type, and installer pricing.
Typical 6–8 kW system:
- Average cost before incentives: $14,000 – $21,000
- Federal tax credit (30%): -$4,200 – $6,300
- Average net cost after federal credit: $9,800 – $14,700
The federal 30% Residential Clean Energy Credit is administered through the Internal Revenue Service.
Typical systems are 6–8 kW.
Solar Incentives in South Carolina
1. Federal Solar Tax Credit (30%)
30% of installation costs deductible from federal taxes.
2. Net Metering
South Carolina has net metering; terms vary by utility.
3. State & Utility
Check DSIRE for current state and utility incentives.
Electricity Rates in South Carolina
South Carolina rates are often near the national average.
A typical South Carolina homeowner spends $1,300–$2,000 per year on electricity.
Solar can offset most or all of this cost.
Payback Period in South Carolina
Most homeowners see:
- Payback period: 7–10 years
- 25-year savings: $25,000–$55,000+
Savings depend on roof orientation, local utility rates, system size, and financing method.
Best Cities for Solar in South Carolina
Solar performs well statewide, but adoption is strongest in:
- Charleston
- Columbia
- North Charleston
- Mount Pleasant
- Rock Hill
Suburban homes with south-facing roofs tend to achieve the highest ROI.
Is Solar Worth It in South Carolina? (Summary)
Solar makes the most sense if:
- You plan to stay 7+ years
- Your roof gets good sun
- Your bills exceed $120/month
- You qualify for the federal tax credit
Solar makes sense for most South Carolina homeowners with good exposure.
How to Calculate Your South Carolina Solar Savings
Every home is different.
To get a personalized estimate, use the calculator on this page: enter your ZIP, monthly bill, and optional system size to see projected savings and payback.