Commercial electricity rates in South Carolina

What businesses in South Carolina actually paid per kilowatt-hour, from EIA's monthly utility filings. Updated monthly.

The last 36 months

Range over the period shown: 9.68¢ to 12.82¢ per kWh. Each point is a monthly state average, not an offered rate.

South Carolina by the numbers

How commercial compares with other sectors

All figures are August 2026 averages for South Carolina.

Commercial customers in South Carolina pay 25% less per kWh than households there. Nationally the commercial price sits 20% below residential, so the gap here is wider than usual.

What this costs a typical account

The average commercial account in South Carolina used 6,725 kWh in August 2026. At 11.76¢ per kWh that is about $791 for the month — computed from EIA totals, so it is the average account, mixing a large facility with a corner shop.

How the price has moved

Over the 36 months to August 2026, South Carolina's commercial price rose 11.8%, from 10.52¢ in September 2023 to 11.76¢. The high point was 12.82¢ in February 2026 and the low 9.68¢ in December 2023 — a spread of 32% between the cheapest and dearest month, which is unusually volatile for a state-level average.

Across the same period the dearest month on average was February (11.56¢) and the cheapest December (10.67¢), a seasonal swing of 8%.

South Carolina against its region

South Carolina is in EIA's South Atlantic division, where the commercial average was 12.31¢ in August 2026. South Carolina is 4% below that, and 5 of 9 on price within the region.

Others in the region: North Carolina, Virginia, Florida, West Virginia, Georgia, Delaware, Maryland, District of Columbia.

States priced near South Carolina

Source

EIA Electric Power Monthly, retrieved 2026-11-02 · methodology · all 51 states