Solar Savings Calculator for Charleston, SC
Homeowners in Charleston pay an average of $158/month for electricity through Dominion Energy South Carolina. With 5.1 peak sun hours per day, solar panels can significantly reduce your energy costs.
$158
Avg Monthly Bill
14.8¢/kWh
Electricity Rate
5.1h/day
Peak Sun Hours
$57,282
Est. 25-Year Savings
Calculate Your Savings in Charleston
Adjust Your Details for Charleston, SC
$
$50$1,000
50010,000
5¢50¢
Your Estimated Solar Savings
System Size
7.2 kW
Panel Count
18 panels
Total System Cost
$19,440
Federal Tax Credit (30%)
-$5,832
State Tax Credit (25%)
-$4,860
Net Cost
$8,748
Annual Savings
$1,896
Payback Period
4.6 years
25-Year Savings
$57,282
Return on Investment
655%
* Estimates based on 5.1 peak sun hours/day in Charleston, SC, system cost of $2.7/watt, 30% federal ITC, 25% state tax credit, 3% annual electricity inflation, and 0.5% annual panel degradation over 25 years. Actual results may vary.
Local Solar Details for Charleston
Utility & Permits
- Utility Company
- Dominion Energy South Carolina
- Permit Cost
- $325
- Permit Timeline
- 2-4 weeks
- Net Metering
- full
System Estimates
- Recommended Size
- 7.2 kW
- Panel Count
- 18 panels
- Gross Cost
- $19,440
- Net Cost (after credits)
- $8,748
Available Incentives for Charleston, SC
Federal Solar Investment Tax Credit (ITC)
Reduces federal income tax liability by 30% of the total cost of a solar energy system, including equipment and installation.
South Carolina Solar Tax Credit
One of the most generous state solar tax credits with no maximum cap.
Other Cities in South Carolina
More Solar Tools for Charleston
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