Solar Installation in Charleston, South Carolina

Charleston offers excellent conditions for solar energy production. With an average of 5.4 peak sun hours per day, your solar panels will generate enough electricity to offset 80-90% of a typical home's electricity usage.

Climate & Solar Potential

Charleston's humid subtropical, coastal climate provides consistent sunshine year-round. The area receives approximately 209 days of sunshine annually, making it one of the top locations in South Carolina for solar energy generation.

Rising Electricity Costs

Dominion Energy South Carolina customers in Charleston pay an average of $135 per month for electricity. With electricity rates rising 3-5% annually, the financial case for solar becomes stronger each year. A typical 7 kW system can reduce your electric bill by 70-90%.

Local Solar Adoption

Solar adoption in Charleston County has grown significantly over the past few years. Your neighbors are already enjoying lower electric bills and increased home values. The average solar installation in Charleston increases home value by approximately $20,000.

Federal Solar Tax Credit (ITC)

The federal Investment Tax Credit allows you to deduct 30% of your solar installation cost from your federal taxes. For a $22,750 system, that's $6,825 in savings.

• Available: Through 2032 (then steps down)
• Who qualifies: Homeowners with federal tax liability
• How to claim: IRS Form 5695 with your tax return

South Carolina State Incentives

South Carolina offers additional incentives including a $0 state tax credit for solar installations. This combines with the federal credit to significantly reduce your out-of-pocket cost.

Net Metering

Dominion Energy South Carolina offers net metering, meaning excess solar energy you produce is credited to your account. This can reduce or eliminate your electric bill during months when your system produces more than you use.