Solar Panel Savings in South Carolina
South Carolina gets 4.9 peak sun hours per day with electricity at 14¢/kWh. See how much you can save with solar panels.
Solar Panel Cost & Savings by System Size in South Carolina
| System Size | Gross Cost | After Credits | Payback | 25-Year Savings | Annual kWh |
|---|---|---|---|---|---|
| 6 kW | $15,600 | $7,020 | 4.0 yrs | $51,411 | 10,731 |
| 8 kW | $20,800 | $9,360 | 5.2 yrs | $51,892 | 14,308 |
| 10 kW | $26,000 | $11,700 | 6.4 yrs | $49,552 | 17,885 |
| 12 kW | $31,200 | $14,040 | 7.6 yrs | $47,212 | 21,462 |
Includes 30% federal ITC + 25% South Carolina state credit. Assumes 3% annual electricity rate increase and 0.5% panel degradation.
South Carolina Solar Incentives
South Carolina Energy Profile
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Is Solar Worth It in South Carolina?
South Carolina averages 4.9 peak sun hours per day, which means an 8 kW solar system would produce approximately 14,308 kWh per year. At the state's average electricity rate of 14¢/kWh, that translates to significant annual savings on your electric bill.
With the federal 30% Investment Tax Credit and South Carolina's 25% state incentive, an 8 kW system costing $20,800 drops to just $9,360 after credits — with a payback period of approximately 5.2 years.
Over 25 years, homeowners in South Carolina can expect to save $51,892 with an 8 kW system, factoring in panel degradation and rising electricity costs. The combination of solid sun exposure and strong incentives makes solar a very strong investment in South Carolina.