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Solar incentives · South Carolina · 2026
Solar rebates in South Carolina.
The federal, state, and utility solar incentives available in South Carolina for 2026, then matched to a vetted local installer.
Programs · South Carolina
3
active programs & rules in 2026
Solar choice metering tariff (Act 62) · verified 2026-09-01
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3 programs available right now in South Carolina.
Tax credit
#01
Federal Residential Clean Energy Credit (Section 25D) - ENDED
The 30 percent federal Residential Clean Energy Credit under Section 25D expired for property placed in service after December 31, 2025. Cash and loan purchases made now receive no federal tax credit. A quote that still applies it is overstating your return.
Source ↗ Tax credit
#02
Federal Commercial ITC (Section 48E) - via Lease / PPA
Section 48E, the commercial Clean Electricity Investment Credit, survives at 30 percent and is available to third-party owners of residential systems under leases and power purchase agreements. The provider claims it and may reflect part of the value in the rate offered. Ask what they claim and what actually reaches you, and confirm with a tax advisor.
Source ↗ Tax credit
#03
South Carolina Solar Energy Tax Credit (Form TC-38)
South Carolina offers a state income tax credit of 25 percent of the total system cost, up to a total credit of $35,000, claimed on Form TC-38 with your South Carolina return. The important limit is annual: a taxpayer may use only $3,500 of the credit in a year, or 50 percent of their state tax liability, whichever is less, and the excess for each facility can be carried forward for 10 years. Eligible technologies include solar photovoltaic panels, solar water heaters and solar space heaters, and the credit applies to system costs including panels, inverters, mounting equipment and labour. Because of the annual cap, a household with modest state tax liability may not use the whole credit within the carryforward period, so ask a tax advisor how much of it you would realistically realise.
Source ↗
Net metering · South Carolina
Solar choice metering tariff (Act 62)
South Carolina no longer offers simple one-to-one retail net metering to new solar homes. The Energy Freedom Act, Act 62, signed on May 16, 2019, required the Public Service Commission to establish a solar choice metering tariff for customer-generators. The Commission approved rates for Duke Energy Carolinas, Duke Energy Progress and Dominion Energy South Carolina that became available to consumers applying for new service on or after June 1, 2021 and are available for ten years, with the value of exported power tied to time-of-use rates. Existing customers who enrolled earlier continue to receive one-to-one compensation into 2029 depending on when they joined. Santee Cooper does not provide one-to-one net metering either, and credits customer-generated energy consumed by the customer at the full retail rate. Confirm the arrangement that applies at your address with your own utility before sizing a system.
Worth checking before you sign:
taking a rebate can change your net-metering terms, and export credit rules
differ by utility. Your matched installer confirms the exact numbers for
your address.
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Colleen Brazeau
3 weeks ago
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