South Carolina · Tax exemption

SC Solar Property Tax Exemption

Removes a tax burden residential solar owners in South Carolina would otherwise carry -- see what it covers, eligibility, and payback impact below.

Property tax exemption
stated benefit
Residential
eligible customers
14 yr
South Carolina baseline payback
3
other South Carolina programs

What it means

In South Carolina, a 6 kW system already pays back in about 14 years on ~$1,203/year of modeled savings, and the SC Solar Property Tax Exemption stacks on top of that, on top of any federal credit.

Property tax e…
stated benefit
14 yr
baseline payback (pre-incentive)
4
South Carolina programs that stack
partial
net-metering policy

Payback and savings are modeled from public NREL/EIA data; the program benefit is summarized from DSIRE and may change.

Program description

South Carolina exempts solar energy systems from property tax assessment.

Program at a glance

Program type
Tax exemption
Eligible customers
Residential
Stated benefit
Property tax exemption
State electricity rate
13.2¢/kWh
South Carolina solar score
34/100

How South Carolina compares to the U.S. average

Why this incentive matters more (or less) here - South Carolina's solar fundamentals against the national average.

Irradiance
South Carolina: 5.2 kWh/m²/day
U.S. avg: 4.82 kWh/m²/day
Electricity rate
South Carolina: 13.2¢/kWh
U.S. avg: 15.98¢/kWh
Modeled payback
South Carolina: 14 yr
U.S. avg: 14.2 yr

Source: NREL irradiance and U.S. EIA rates; payback modeled by PlainSolarData. Bars are scaled to the larger of the two values per metric.

Solar's trajectory in South Carolina

The market this incentive operates in: total installed solar capacity in South Carolina reported to the EIA.

-500 MW0 MW500 MW1.0 GW1.5 GW2.0 GW 201320142015201620172018201920202021202220232024 1.6 GW
South Carolina now has about 1.6 GW of installed solar, the backdrop programs like this one are built on.

Source: U.S. Energy Information Administration, installed solar nameplate capacity As of 2024

South Carolina's solar incentive stack

How this tax exemption sits among South Carolina's 3 tracked programs, by type

programs

What this shows South Carolina tracks 3 incentive types; 1 are tax exemptions like this one, removing a cost solar owners would otherwise carry, on top of the state's other program types.

Source DSIRE incentives registry As of 2024

How this incentive fits South Carolina's solar picture

The SC Solar Property Tax Exemption removes a tax burden solar owners would otherwise carry, one of South Carolina's DSIRE-tracked solar incentive programs. Eligibility is scoped to residential customers, with a stated benefit of Property tax exemption. DSIRE lists no scheduled sunset, though enabling legislation and appropriations can still be revised year to year.

That baseline is slower than most states, which raises the stakes for every incentive on the table. South Carolina averages 5.2 kWh/m²/day of usable sunlight and residential rates of 13.2¢/kWh, producing an estimated 9,110 kWh/year and $1,203 of annual utility offset on a typical 6 kW system costing $16,800. That baseline already implies a 14-year simple payback and a 25-year modeled net of roughly $13,275 before this incentive - every dollar this tax exemption delivers compresses that payback further.

A handful of other levers are worth checking alongside this one. South Carolina has 4 solar incentive programs indexed in DSIRE, including adjacent options like SC Net Metering, SC Solar Energy Tax Credit. The state's net-metering policy is classified as partial, which governs how excess generation is credited and often decides whether a given program is worth claiming for a specific household.

Your next step

  • See South Carolina's full solar profile, score, irradiance, rates, payback, and every program you can claim. South Carolina solar data
  • Run the savings calculator with your real bill to see how this incentive changes your own payback. ROI calculator
  • Read how state and federal solar credits work together. Tax-credit guide

Estimates here are modeled from public data and are not financial advice; confirm program terms and your own eligibility before relying on a dollar figure.

Frequently asked questions

What is the SC Solar Property Tax Exemption?
The SC Solar Property Tax Exemption is a tax exemption available to residential solar customers in South Carolina. The stated benefit is Property tax exemption.
How does the SC Solar Property Tax Exemption work?
South Carolina exempts solar energy systems from property tax assessment.
Who is eligible for the SC Solar Property Tax Exemption?
The program is available to residential customers in South Carolina. Check the official program page for current eligibility requirements and deadlines.
How does this incentive affect solar ROI in South Carolina?
South Carolina has an estimated 14-year payback for a 6 kW system before incentives, with about $1,203/year in modeled savings. A tax exemption like this lowers upfront cost or raises annual return, shortening that payback. Run the calculator for a figure based on your own bill.
Are there other solar incentives in South Carolina?
Yes - South Carolina has 4 solar incentive programs tracked in DSIRE, including SC Net Metering, SC Solar Energy Tax Credit. State programs are designed to stack on top of any available federal solar tax credit rather than replace it.

Incentive data from the DSIRE (Database of State Incentives for Renewables & Efficiency); state solar economics from NREL and the U.S. EIA. See our methodology.