Solar Quotes in Greenville, SC
If Duke Energy Carolinas is your utility
- In South Carolina, Duke's Residential Solar Choice rider requires Schedule R-STOU and caps systems at 20 kW AC. Excess kWh in each time-of-use period are credited at the rider's export rate, and all renewable energy certificates (RECs) convey to Duke. Source: https://etariff.psc.sc.gov/Uploads/tariffFile/c8e8e7f7-11b2-4602-a23c-5be72f015998 (accessed 2026-10-20)
- South Carolina law (S.C. Code §58-40-20) directed the PSC to set a "solar choice metering tariff" for customer-generators applying after May 31, 2021. Source: https://www.scstatehouse.gov/code/t58c040.php (accessed 2026-10-20)
A note on the federal tax credit
The federal residential clean energy credit (25D) doesn't apply to expenditures made after December 31, 2025. The IRS treats an expenditure as made when installation is completed. Source: https://www.irs.gov/newsroom/faqs-for-modification-of-sections-25c-25d-25e-30c-30d-45l-45w-and-179d-under-public-law-119-21-139-stat-72-july-4-2025-commonly-known-as-the-one-big-beautiful-bill-obbb (accessed 2026-10-20). This page isn't tax advice.
Questions to ask
- What export credit does your estimate assume under R-STOU?
- How much of my production will I use in the home versus export?
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