SunSavvy

Solar Panel Cost in South Carolina (2026)

In South Carolina, residential electricity averages about 14¢/kWh with roughly 4.8 peak sun hours a day. Here's what solar looks like for a typical South Carolina home using ~10,800 kWh a year.

System size
7.2 kW
~18 panels
Est. gross cost
$21,504
before incentives
Federal tax credit
- $6,451
30% ITC (verify)
Net cost
$15,053
after credit
Year-1 savings
$1,512
Payback
10 yrs

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Estimate your own South Carolina numbers

Enter your real electric bill — the calculator is preset to South Carolina.

Assumes $3.00/W installed and the 30% federal tax credit. Estimates only.

System size
8.5 kW
~22 panels
Est. gross cost
$25,600
before incentives
Federal tax credit
- $7,680
30% ITC
Net cost
$17,920
after credit
Year-1 savings
$1,800
Payback
10 yrs
25-year net savings
$43,445
after system cost, with rate escalation
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Incentives in South Carolina

The biggest incentive is usually the federal solar tax credit — see ourtax credit guide and confirm the current percentage, since the rules have changed recently. South Carolina may also offer state or utility incentives, rebates or performance payments; look up current programs in theDSIRE database.

What moves the number in South Carolina

  • Your utility's rate and net metering — see how net metering works.
  • Roof orientation, shading and sun hours (4.8/day here on average).
  • Installer pricing — always compare several quotes.

Figures are estimates for education, not a quote. Electricity rates and sun hours are approximate state averages. Confirm with local installers.

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