The 5 best solar installers in South Carolina
Sun Solar Energy Solutions Local
Why listed: SC-based residential solar installer with strong upstate presence.
Trinity Solar National
Why listed: 30+ years of experience, 100,000+ installations.
Renu Energy Solutions Local
Why listed: Charlotte-based regional installer with strong SC coverage.
Sunrun National
Why listed: Largest U.S. residential solar provider. Lease/PPA-focused.
Tesla Energy National
Why listed: Tesla solar and Powerwall integration.
South Carolina solar economics in 2026
| Metric | South Carolina average |
|---|---|
| Average residential rate | $0.13–$0.16 / kWh |
| Typical 8 kW system cost (cash) | $22,000–$28,000 before incentives |
| Average $/W | $2.75–3.50 |
| Average annual production (kWh per kW) | ~1,400–1,550 kWh/kW/year |
| Net metering structure | Solar Choice tariff (Duke, Dominion) — net billing structure post-2024 |
| Average cash payback | 10–12 years |
For full state-by-state cost comparison see solar cost by state.
South Carolina incentives and rebates
- State tax credit: 25% of system cost, capped at $3,500 per year (carry forward up to 10 years).
- Property tax exemption: Added home value from solar exempt from property tax.
- Federal commercial ITC for lease/PPA financing.
- Federal commercial ITC: Lease and PPA structures benefit from the commercial ITC pass-through. See federal tax credit guide.
What to verify before signing in South Carolina
- Contractor license: Verify with your state contractor licensing authority before signing.
- NABCEP certification: Most reputable installers carry NABCEP-certified installers on staff. Ask which crew member holds the certification.
- Insurance: General liability + workers comp + roofer's insurance separate from electrical insurance.
- References from your county: Permitting and inspection requirements vary. Ask for 2–3 references from your specific county.
- Get at least three bids: Solar bids vary by 20–35% on the same scope of work. See how to compare solar bids.
Got bids from South Carolina installers? Compare them properly.
Upload up to four solar proposals from any South Carolina installer. The analyzer compares $/W, production estimates, equipment, and financing structure — and tells you which one to sign.
Analyze My Bids →Frequently asked questions about South Carolina solar
Does solar make sense in South Carolina?
Yes for most homeowners with a $150+ monthly electric bill, an unshaded roof, and 8+ years of expected ownership. South Carolina's specific economics are summarized in the table above.
How much does a typical South Carolina solar install cost in 2026?
$22,000–$28,000 for an 8 kW system before incentives. Effective net cost depends on your state and utility incentives.
Should I get more than three bids?
Yes — three is a minimum. Four or five is better. Solar bids vary by 20–35% on the same scope of work. See how to compare solar bids.
Are there other reputable South Carolina solar installers besides these?
Many. The list above represents installers with strong public profiles in South Carolina; reputable installers exist beyond it. Get bids from a mix and compare them objectively rather than relying on any one list.