Solar Panel Cost in South Carolina
Average costs, savings estimates, and incentives for South Carolina homeowners — plus free installer quotes.
Solar in South Carolina: Overview
South Carolina homeowners who go solar can expect to pay around $24,000 for a typical 8 kW system before incentives. Note: the 30% federal residential solar tax credit expired December 31, 2025. State and local incentives may still reduce your net cost.
With average annual electricity savings of $1,300, the typical payback period in South Carolina is 12.9 years. Over 25 years, that represents a return on investment of approximately $15,700.
South Carolina's sun score of 75/100 reflects the region's solar irradiance. The state also offers 25% state tax credit, which can further reduce your upfront costs.
Solar Incentives in South Carolina
Expired December 31, 2025 — no longer available for new residential installs
State-specific program for South Carolina residents
Many states exempt solar from property tax assessments
Sell excess power back to the grid at retail rates
Frequently Asked Questions — Solar in South Carolina
How much do solar panels cost in South Carolina?
The average solar installation in South Carolina costs approximately $24,000 before incentives. Note: the 30% federal residential solar tax credit expired December 31, 2025. State and local incentives may still apply in your area. Prices vary by system size, installer, and equipment quality.
How much can I save with solar in South Carolina?
South Carolina homeowners save an average of $1,300 per year on electricity with solar. Over 25 years, that's a potential return of $15,700 after accounting for your net system cost.
What solar incentives are available in South Carolina?
South Carolina offers 25% state tax credit. Note: the federal 30% residential ITC expired December 31, 2025. Check with your utility company for additional rebates and state programs.
How long is the solar payback period in South Carolina?
Based on average costs and savings, the typical payback period in South Carolina is approximately 12.9 years. After payback, your solar panels continue generating free electricity for 15–20+ more years.
Is solar worth it in South Carolina?
With a sun score of 75/100 and average annual savings of $1,300, solar is an excellent investment in South Carolina. The 25% state tax credit further improves the economics.