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Electricity rates in South Carolina

Homes in South Carolina pay an average of 15.55¢ per kWh, 15% below the national average of 18.34¢. Enter your bill to see where you stand.

South Carolina average: 15.55¢/kWh
Avg monthly bill: $167
Past 12 months: +5.1%

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How South Carolina electricity prices compare

South Carolina ranks 21st cheapest of 51 (50 states plus D.C.) for residential electricity. At 15.55¢/kWh, it sits 15% below the national average of 18.34¢, and prices are up 5.1% over the past year.

The typical South Carolina household uses about 1,074 kWh a month and pays around $167. Among Southeast states, Tennessee, Kentucky and North Carolina have lower rates.

Rate: 15.55¢
vs U.S.: −15%
Avg usage: 1,074 kWh
National rank: 21st

To find your own rate, divide your total bill by the kWh you used. If you paid $167 for 1,074 kWh, you're right at the South Carolina average.

Can you choose your electricity provider in South Carolina?

No. South Carolina is a regulated market: Duke Energy, Dominion Energy South Carolina and Santee Cooper both deliver and sell your power, and rates are set by the state utility commission. You can't switch supplier, but you can change how you pay, for example with a time-of-use plan, budget billing or efficiency upgrades.

Main electric utilities in South Carolina

Most South Carolina homes are served by Duke Energy, Dominion Energy South Carolina and Santee Cooper. Your utility's name and account number are near the top of your bill.

How to lower your electric bill in South Carolina

Ask your utility about time-of-use pricing. Shifting laundry, dishwashing and EV charging to off-peak hours can cut 5–15%.
Tackle heating and cooling first. A smart thermostat and sealed air leaks usually save more than any other single change.
Check for assistance programs. LIHEAP and utility discount programs can lower bills for eligible households.

South Carolina electricity FAQ

What is the average electricity rate in South Carolina?

The average residential rate in South Carolina is 15.55 cents per kWh as of September 2026, 15% below the national average of 18.34¢.

What is the average electric bill in South Carolina?

About $167 per month, based on average use of roughly 1,074 kWh.

Can I switch electricity providers in South Carolina?

No. South Carolina is regulated, so your utility sells and delivers your power.

Who are the main electric utilities in South Carolina?

The main utilities in South Carolina are Duke Energy, Dominion Energy South Carolina and Santee Cooper.

Compare other Southeast states

Averages are EIA residential revenue divided by kWh sold, September 2026. Your rate depends on your utility, plan and season. See all 50 states.