South Carolina utilities
Solar by utility
Your utility decides how exported solar is credited and what interconnection looks like. Start here, then open the guide for your provider—or book an assessment and we’ll confirm from your address.
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Dominion Energy South Carolina
Charleston metro, much of the Midlands & Lowcountry
Solar Choice export framework for many new residential systems; historic districts and HOAs common in the coastal footprint.
Read guide → -
Duke Energy (Carolinas & Progress)
Fort Mill / York County, Florence, parts of Sumter & Upstate/Pee Dee
Low export credits make self-consumption and storage central. PowerPair status must be checked live—never assumed.
Read guide → -
Santee Cooper
Direct-serve and some wholesale territories
Distinct interconnection and credit rules from Dominion—confirm program details for your meter before you buy.
Read guide → -
Berkeley Electric Cooperative
Berkeley County and adjoining co-op territory
Co-op rates and interconnection steps differ from investor-owned utilities. Local design and paperwork matter.
Read guide →
Not sure who serves you? Check a recent bill, or book a free assessment—we confirm utility before design. Also see net metering & export credits and SC solar incentives.
Read first
Guides that explain the bill
Net metering, cooperative rules and the incentive mechanics behind a South Carolina solar quote.
- Utilities & Net Metering
Solar on a South Carolina Electric Cooperative Account
Verify a South Carolina electric cooperative, solar rider, export rules, interconnection documents, costs, and permission to operate before signing.
16 min read - Utilities & Net Metering
How Net Metering Works in South Carolina
Compare 2026 South Carolina net metering, Solar Choice, export credits, true-ups, fees, and interconnection rules by electric utility.
22 min read - Incentives & Tax Credits
Federal Solar Tax Credit in 2026: SC Guide
No new federal homeowner solar credit applies to 2026 installations. Learn the timing rule, carryforwards, and South Carolina TC-38 limits.
21 min read
Free, no-pressure assessment
We’ll map solar to your actual utility program
No national averages. Address-level utility, roof, and usage—then a clear recommendation.
Mon–Sat, 10am–6:30pm ET · We typically follow up within the hour.