Estimated Savings for a Typical South Carolina Home
Based on a $150/month electric bill
System Size
7.2 kW
Gross Cost
$20,652
Federal Credit
-$6,196
State Incentive
-$35,000
Net Cost
-$20,543
Annual Savings
$1,460
Payback Period
null yrs
25-Year Savings
$70,414
CO₂ Offset/yr
9,733 lbs
South Carolina Solar Incentives
30%
Federal Investment Tax Credit (ITC)
Deduct 30% of your total solar installation cost from your federal taxes. Available through 2032 with no dollar cap.
$35,000
South Carolina State Incentive
South Carolina offers a 25% state tax credit up to $35,000 over 5 years.
Net Metering Policy: Full Retail
Top utility in South Carolina: Duke Energy SC. View full incentives detail →
Solar Costs by City in South Carolina
| City | Annual Savings | Payback (yrs) | Population ↓ | Utility |
|---|---|---|---|---|
| Charleston | $1,460 | -15.1 | 137,566 | Dominion Energy SC |
| Columbia | $1,460 | -15 | 133,273 | SCE&G |
| North Charleston | $1,460 | -12.6 | 114,852 | Dominion Energy SC |
| Mount Pleasant | $1,460 | -12.7 | 91,684 | Dominion Energy SC |
| Rock Hill | $1,460 | -14.5 | 75,048 | Duke Energy SC |
| Greenville | $1,460 | -14.1 | 70,635 | Duke Energy SC |
| Summerville | $1,460 | -15.6 | 53,307 | Dominion Energy SC |
| Goose Creek | $1,460 | -15.5 | 47,053 | Dominion Energy SC |
| Hilton Head Island | $1,460 | -14.3 | 39,918 | Palmetto Electric |
| Florence | $1,460 | -15.6 | 37,524 | Santee Electric |
Solar Savings Calculator
Instant estimate — no email required
$
Quick Facts: South Carolina
- ⚡ Avg rate: $0.138/kWh
- 🌞 Peak sun: 5 hrs/day
- 🏭 Top utility: Duke Energy SC
- 📋 Net metering: Full Retail