Electricity cost in South Carolina, 2026
Homes in South Carolina paid an average of 15.93¢ per kWh from January–July 2026 — 12% below the U.S. average of 18.19¢, and up 7.6% from the same months of 2025. That ranks 26th cheapest of the 50 states and DC.
$43.01a month (30 days)
- Per hour of use
- $0.24
- Per day
- $1.43 · 9.00 kWh
- Per month
- 270.0 kWh
- Per year
- $523.30 · 3,285 kWh
Wattage on the nameplate is the maximum. Thermostat-controlled appliances (fridges, heaters, AC) cycle, so their real cost is usually lower; a plug-in meter tells you exactly.
What appliances cost to run in South Carolina
At 15.93¢/kWh, 30-day month. Your utility's rate and fixed charges will differ; your bill's total divided by its kWh is your real price.
| Appliance | Watts | h/day | Per month | Per year |
|---|---|---|---|---|
| Refrigerator (modern, ENERGY STAR) | 150 | 10 | $7.17 | $87.22 |
| Central AC, 3 ton | 3,500 | 8 | $133.81 | $1,628 |
| Window AC, 10,000 BTU | 900 | 8 | $34.41 | $418.64 |
| Space heater | 1,500 | 6 | $43.01 | $523.30 |
| Electric water heater | 4,500 | 3 | $64.52 | $784.95 |
| Electric clothes dryer | 5,400 | 0.75 | $19.35 | $235.49 |
| Dehumidifier | 785 | 12 | $45.02 | $547.72 |
| 55" LED TV | 100 | 5 | $2.39 | $29.07 |
| Desktop computer | 120 | 8 | $4.59 | $55.82 |
| Gaming PC under load | 450 | 3 | $6.45 | $78.50 |
| Wi-Fi router + modem | 25 | 24 | $2.87 | $34.89 |
| Level 2 EV charging, 32 A | 7,680 | 1.50 | $55.05 | $669.82 |
South Carolina compared with its neighbors
South Carolina is in the EIA's South Atlantic region. July's price (15.47¢) was below the year-to-date average. In the same region, North Carolina paid 14.94¢.
| State | ¢/kWh 2026 YTD | Change vs 2025 | National rank |
|---|---|---|---|
| North Carolina | 14.94 | +9.0% | 17 of 51 |
| Florida | 15.30 | +1.8% | 21 of 51 |
| Georgia | 15.40 | +4.5% | 22 of 51 |
| West Virginia | 15.47 | +0.8% | 25 of 51 |
| South Carolina | 15.93 | +7.6% | 26 of 51 |
| Virginia | 16.83 | +13.1% | 31 of 51 |
| Delaware | 17.86 | +6.6% | 33 of 51 |
| Maryland | 21.30 | +13.6% | 38 of 51 |
| District of Columbia | 24.66 | +17.8% | 42 of 51 |
Charging an EV in South Carolina
At this price, a car that goes 3.5 miles per kWh costs about $5.06 per 100 miles charged at home (counting 10% charging losses). A 40-mile daily commute adds about $60.69 a month to the bill. Size the circuit with the EV charger calculator.
Running backup power instead
A 7.5 kW portable generator at half load burns about 0.75 gallons of gasoline an hour, roughly 3.75 kWh. At $3.20 a gallon that is about 64¢ per kWh — 4.0 times South Carolina's grid price. Generators are for outages, not savings. Compare with the fuel consumption calculator.