SC Department of Revenue
State tax credit for residential solar energy systems equal to 25% of installation cost, capped at $3,500 per year with a maximum lifetime credit of $26,000. Can be combined with federal solar tax credit.
State tax credit can be claimed over multiple years if cost exceeds annual cap
Official program page checked live on 2026-06-17.
Data last verified 2026-06-09. How we verify our data.
A grant-savvy contractor in Port Royal, SC can handle the paperwork, inspections, and timelines so your funding releases on schedule. Getting matched is free.
You will likely need a contractor to apply
Projects like this almost always need a licensed contractor, and many grants ask for a written estimate as part of your application. Lining up a contractor in Port Royal early keeps your application moving.
Get matched with a contractorEach program sets its own contractor rules. Check the official program page for exact requirements.
Form to file: SC Schedule TC-38 (Solar Energy or Small Hydropower System Credit), filed with SC1040TC
South Carolina gives a state income tax credit for installing a solar energy system on a home you own. The credit is the lesser of 3,500 dollars per facility or 50 percent of your tax liability, and any unused amount carries forward up to 10 years. You claim it on Schedule TC-38, filed with the SC1040TC and your state return.
Steps to apply
Documents you will likely need
Requirements vary by program and locality. Confirm the exact rules on the official program page. We can help you prepare your paperwork, but you submit it yourself.
Deadline: Available through December 31, 2025
Ask us. It is free, and a real person answers within a business day.
Email us about this programGrant-approved contractors understand the documentation, inspections, and timelines, so your funding releases on schedule.
Rebates and discounts that stack on top of any grant. Most are free to use.
This is just one of many grants, rebates, and free programs available. Stack them together to maximize your savings.
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