Columbia, SC Solar: 2026 Costs, Incentives & Savings
Solar Power in Columbia
If you live in Columbia, SC, you’ve likely noticed your electric bill climbing. In fact, South Carolina electricity prices have increased 11% from 2020 to 2024. With Columbia averaging more than 210 sunny days a year, many homeowners are exploring solar as a way to take more control over their energy costs.
This guide walks you through the basics of solar installation in Columbia, so you can make an informed decision. Learn how the technology works in our guide on home solar panels.
SOUTH CAROLINA by the Numbers
- 20: Most residential solar in the United States
- 38: Households have installed solar panels
- 5.2: Avg peak sun hours per day
- ~$44k: Columbia average savings over 25 years
How Much Do Solar Panels Cost in Columbia, SC?
See real solar costs for Columbia, SC—built from our actual installations across the area. From Forest Acres and Irmo to Lexington and Cayce, this calculator uses local, firsthand data to give you a clear estimate for your home.
Cost Breakdown
Your estimated investment
- System Cost: $20,936
- Price per Watt: $2.84
- State Incentives: -$3,500
- Final Cost: $17,436
Savings
- Monthly Savings: Average utility bill reduction $101
- Payback Period: Break-even point 12.0 years
- 25-Year Savings: $44,209
Key Takeaways
- Columbia enjoys over 210 sunny days a year, making it an excellent place to generate your own power and reduce reliance on the grid.
- Electricity prices in South Carolina keep rising, reaching 14.1¢ per kWh in 2024, so solar can help stabilize what you pay long-term.
- State incentives can meaningfully lower your cost, including a 25% state tax credit, property and sales tax exemptions, and net metering.
Columbia Electricity Prices
South Carolina electricity prices rose about 9% from 2021 to 2024, reaching 14.1 cents per kWh. With more than 200 sunny days a year, Columbia is well suited for solar.
Columbia Area Utility Providers
In Columbia, most homes get power from Dominion Energy or Santee Cooper. Based on 2023 rates, Dominion charged about 14.4¢ per kWh, while Santee Cooper charged around 11.4¢ per kWh.
Columbia Utilities Electricity Rates
- Dominion Energy: 14.40¢
- Santee Cooper: 11.40¢
- SC Average: 13.70¢
- US Average: 16.0¢
South Carolina Solar Incentives
Columbia homeowners can tap several solar incentives in South Carolina that help lower the upfront cost of going solar.
| Incentive | Type | Description | Source |
|---|---|---|---|
| South Carolina Solar Energy Tax Credit (TC-38) | Tax Credit | Columbia homeowners can claim 25% of their total solar installation cost as a state income tax credit, up to $3,500 per year, for up to 10 years. | Learn More |
| South Carolina Solar Property Tax Exemption | Property Tax Exemption | South Carolina provides a 100% property tax exemption for residential solar PV systems up to 20 kW. | Learn More |
| South Carolina Solar Sales Tax Exemption | Sales Tax Exemption | South Carolina exempts solar energy equipment from the state’s 6% sales tax. | Learn More |
| South Carolina Net Metering Policy | Net Metering | South Carolina requires investor-owned utilities to offer net metering for residential solar systems up to 20 kW. | Learn More |
| Duke Energy PowerPair Solar + Battery Incentive Program | Rebate | Duke Energy residential customers can receive up to $9,000 in combined incentives for solar and battery storage. | Learn More |
Columbia Solar Irradiance
Solar panel production varies throughout the year based on daylight hours, weather patterns, and sun intensity. Columbia enjoys long, sunny summers and mild winters, giving panels plenty of energy year-round.
Solar Production in Columbia by Month
- July: 43.7 kWh/day (10 kW system)
- December: 29.7 kWh/day (10 kW system)
Want to know exactly how much solar can power your home?
Get a personalized solar analysis based on your actual home, energy usage, and roof characteristics.
Solar Panel Systems in Columbia
We mapped solar installations across the country, right down to the address. Explore Columbia, SC neighborhood by neighborhood.
Leasing Solar Panels
In Columbia, most homes are served by Dominion Energy South Carolina (DESC), where a Power Purchase Agreement (PPA) through Palmetto’s LightReach program is available.
Frequently Asked Questions
Does Columbia, SC have net metering? Yes. Most Columbia, SC homes are served by Dominion Energy South Carolina (DESC), which offers 1:1 net metering.
Do solar panels increase your home value in Columbia, SC? Yes—when you own the system. Purchased solar panels can add value to your Columbia, SC home.
How does leasing solar work? With Palmetto’s LightReach solar lease, you pay one simple monthly payment for everything: the panels, installation, monitoring, and maintenance. There’s no upfront cost.