Federal Solar Investment Tax Credit (ITC)

About This Program

Charleston homeowners can claim the 30% federal Solar ITC on installation costs. South Carolina offers a state Solar Energy System Tax Credit of 25% of the cost, up to $3,500 per year (stackable over multiple years up to 50% of cost). Dominion Energy South Carolina and Berkeley Electric Cooperative offer net metering programs. Average Charleston system: $16,000–$24,000.

30% federal ITC + 25% SC state credit (up to $3,500/yr) stacked

Key Details

• 30% federal ITC on full solar installation cost
• SC Solar Energy System Tax Credit: 25% of cost, up to $3,500/year
• SC credit can carry forward and stack over multiple years
• Dominion Energy SC and Berkeley Electric Cooperative net metering
• Average Charleston system savings: $8,000–$14,000 in combined credits

How to Apply

Deadline: 30% credit through 2032; steps down to 26% in 2033, 22% in 2034