Solar Panel ROI in 29203

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

2.4x ROI Score
10.5 yrs Payback Period
$1,295/yr Annual Savings
$32,375 25-Year Savings

Your savings estimate

$ /mo bill
Annual savings $1,295
·
Payback 10.5 yrs
·
25-yr savings $32,375

Solar Calculator for 29203 (Columbia)

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

kW
$
$ /kWh
5.28 kWh/m²/day
Based on NREL data for Columbia, SC
ROI Score 2.4x
Annual Production 9,251 kWh
Annual Savings $1,295
Payback Period 10.5 years
25-Year Savings $32,375
After 30% ITC $9,520

Solar Data for 29203 – Columbia, SC

Solar Irradiance 5.28 kWh/m²/day +6.5% vs national avg
vs South Carolina Avg +0% State avg: 5.29 kWh/m²/day
Electricity Rate $0.140/kWh South Carolina average rate
Annual Production 9,251 kWh 6kW system estimate

Columbia's 5.28 kWh/m²/day is 6.5% above the national average. At $0.140/kWh, the 10.5-year payback is moderate. Tax credits and incentives can shorten it meaningfully.

Solar Incentives for Columbia, South Carolina

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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.

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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 Columbia.

29203 vs South Carolina Average

Solar Irradiance
29203: 5.28 SC avg: 5.29
Payback Period
29203: 10.5 yrs SC avg: 11.2 yrs
Annual Savings
29203: $1,295 SC avg: $1,213
25-Year Savings
29203: $32,375 SC avg: $30,325

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

Nearby Zip Codes — Solar Comparison

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