Is solar worth it in 29405 (North Charleston, SC)?

With an average payback period of 10.4 years and 25-year savings of $32,800, solar panels in North Charleston, South Carolina are a solid investment.

How much do solar panels cost in 29405?

The average cost of a 6kW residential solar system in North Charleston, South Carolina is $13,600 before incentives. The federal 30% Investment Tax Credit reduces this to about $9,520.

How much solar electricity does 29405 get?

North Charleston receives 5.35 kWh/m²/day of solar irradiance. A 6kW system in zip code 29405 produces approximately 9,373 kWh per year.

Solar Panel ROI in 29405

North Charleston, South Carolina — Is solar worth it here? Here's what the data says.

2.4x ROI Score

10.4 yrs Payback Period

$1,312/yr Annual Savings

$32,800 25-Year Savings

Your savings estimate

$ /mo bill

Annual savings $1,312

Payback 10.4 yrs

25-yr savings $32,800

Solar Calculator for 29405 (North Charleston)

Adjust values to see your personalized solar ROI estimate for North Charleston, South Carolina.

System Size

System Cost

Electricity Rate

$ /kWh

Solar Irradiance

5.35 kWh/m²/day

Based on NREL data for North Charleston, SC

ROI Score 2.4x

Annual Production 9,373 kWh

Annual Savings $1,312

Payback Period 10.4 years

25-Year Savings $32,800

After 30% ITC $9,520

Solar Data for 29405 – North Charleston, SC

Solar Irradiance 5.35 kWh/m²/day +7.9% vs national avg

vs South Carolina Avg +1.3% State avg: 5.29 kWh/m²/day

Electricity Rate $0.140/kWh South Carolina average rate

Annual Production 9,373 kWh 6kW system estimate

North Charleston's 5.35 kWh/m²/day is 7.9% above the national average. At $0.140/kWh, the 10.4-year payback is moderate. Tax credits and incentives can shorten it meaningfully.

Solar Incentives for North Charleston, South Carolina

★

Federal Investment Tax Credit (ITC)

Claim 30% of your system cost as a federal tax credit. On a $13,600 system, that's $4,080 back.

★

Net Metering

Most South Carolina utilities offer net metering — sell excess electricity back to the grid at retail rates, accelerating your payback.

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South Carolina State Programs

Check with the South Carolina energy office for additional rebates, tax exemptions, and low-interest solar financing programs available in North Charleston.

29405 vs South Carolina Average

Solar Irradiance

29405: 5.35 SC avg: 5.29

Payback Period

29405: 10.4 yrs SC avg: 11.2 yrs

Annual Savings

29405: $1,312 SC avg: $1,213

25-Year Savings

29405: $32,800 SC avg: $30,325

See the full South Carolina solar guide for statewide data and incentives.

Nearby Zip Codes — Solar Comparison

29407 Charleston, SC 2.4x ROI 10.3 yr payback 31419 Savannah, GA 2.4x ROI 10.6 yr payback 29201 Columbia, SC 2.4x ROI 10.5 yr payback 29203 Columbia, SC 2.4x ROI 10.5 yr payback 28403 Wilmington, NC 2.1x ROI 11.8 yr payback