Solar Panels in 29401 Charleston, SC
29401 Charleston receives 5.0 hrs of peak sun daily. A 6kW system saves $1,298/year with a 9.2-year payback.
Peak Sun Hours
5.0 hrs
per day
6kW System Cost
$17,100
before incentives
Annual Savings
$1,298
per year
Annual Production
9,000
kWh/year
Payback Period
9.2 years
estimated
CO2 Offset
5.4 tons
per year
Solar Cost Breakdown for 29401
| Item | Amount |
|---|---|
| 6kW System Cost | $17,100 |
| Federal Tax Credit (30%) | -$5,130 |
| Net Cost (after federal credit) | $11,970 |
| Annual Savings | $1,298/yr |
| 20-Year Net Savings | $13,990 |
Other ZIP Codes in South Carolina
Frequently Asked Questions
How much do solar panels cost in 29401 Charleston?
A 6kW solar system in 29401 Charleston costs approximately $17,100 before the 30% federal tax credit. After the credit, net cost is approximately $11,970.
How much will I save with solar in 29401?
Homeowners in 29401 can save approximately $1,298 per year with a 6kW system, producing 9,000 kWh annually. Over 20 years, total savings are approximately $13,990.
How much sun does 29401 Charleston get?
29401 Charleston averages 5 peak sun hours per day, which determines solar panel output. A 6kW system here produces approximately 9,000 kWh per year.
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Data verified March 2026 · Source: NREL, DSIRE, EIA