Solar in South Carolina
Key Solar Metrics
15.0¢/kWh
5.3 peak sun hours
949 kWh/kW
Net Billing
3 active programs
South Carolina Solar Energy Tax Credit
Mixed
Major Utilities
Solar Landscape in South Carolina
South Carolina's electricity market includes both investor-owned utilities and cooperative/municipal providers. Utility-specific solar programs vary by provider. Residential customers should check with their specific utility provider for available solar incentive programs, interconnection requirements, and export credit rates.
Permitting
South Carolina follows local jurisdiction permitting for residential solar installations. Permitting requirements and timelines vary by county and municipality. Homeowners should contact their local building department for specific permit requirements, fees, and inspection schedules. Some jurisdictions in South Carolina have adopted streamlined solar permitting processes to reduce installation timelines.
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Solar Incentives & Rebates
Some incentive data is provisional and subject to verification. Programs may change — check official sources before making decisions.
State Programs
South Carolina Solar Energy Tax Credit
25% of installation costs, up to $3,500 per year and $35,000 lifetime. One of the most generous state solar credits.
South Carolina Net Metering
SC net metering transitioning under Act 62 (2019). New solar customers receive credits at a utility-determined rate below full retail.
South Carolina Solar Access Rights
South Carolina protects solar easements and limits HOA restrictions on solar installations.
South Carolina Net Billing (Act 62)
- Policy Type
- Net Billing
- Credit Type
- Time of Use
- Annual Credit Rollover
- No
- Effective Date
- May 20, 2021
Run the Numbers for South Carolina
Solar in South Carolina costs $2.51–$3.52 per watt
National average: $3.36/W
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