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

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.

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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