What power costs at home, and what it means for your EV.
Updated Oct 25, 2026
Price
Home electricity in South Carolina.
Home electricity price
Average residential price, August 2026
15.76¢ per kWh
-13% below the U.S. average of 18.16¢. Ranked 32 of 51 (1 = most expensive).
A year ago (August 2025)15.16¢
Change in a year+4.0%
Jan to August 2026 average15.90¢
Typical monthly bill, 2025$161.21
7.0% above the U.S. average of $150.68.
Source: U.S. Energy Information Administration, Electric Power Monthly, Table 5.6.A. August 2026, preliminary. As of Oct 25, 2026.
Source: U.S. Energy Information Administration, Electricity Sales to Ultimate Customers, 2025. Average monthly bill is annual residential revenue divided by customers, then by 12.
Price trend
South Carolina vs U.S. average, ¢ per kWh, monthly
South CarolinaU.S. average
Source: U.S. Energy Information Administration, Electric Power Monthly, Table 5.6.A. Aug 25–Aug 26.
EV vs gas
Cost to drive 100 miles in South Carolina.
EV vs gas in South Carolina
Cost to drive 100 miles
Estimate
EV, home charging
$4.4128 kWh per 100 mi at 15.76¢
Gas car, 25.5 mpg
$15.14Lower Atlantic (PADD 1C) at $3.860 a gallon
You save per 100 miles$10.72
Source: U.S. Energy Information Administration, weekly retail regular gasoline, Lower Atlantic (PADD 1C), week of Oct 19, 2026. Source: U.S. Energy Information Administration, Electric Power Monthly, Table 5.6.A. August 2026, preliminary. As of Oct 25, 2026. EV use of 28 kWh per 100 mi is an estimate. The gas car uses 25.5 mpg.
Rank 1 is the highest residential price. The District of Columbia is included. One-year change compares the same month a year earlier. The 2025 bill is annual residential revenue divided by customers, then by 12. The U.S. average is $150.68.
Residential electricity prices by state, August 2026. Typical monthly bill, 2025
Source: U.S. Energy Information Administration, Electric Power Monthly, Table 5.6.A. August 2026, preliminary. As of Oct 25, 2026. Includes all 51, with D.C.
Source: U.S. Energy Information Administration, Electricity Sales to Ultimate Customers, 2025. Average monthly bill is annual residential revenue divided by customers, then by 12.