⚡ Electricity bill in Charleston, SC (2027)
Estimated average: $151/month at 14¢/kWh — +10% vs. the U.S. average.

With about 155,369 residents, Charleston is a mid-size city and the largest city in South Carolina. Households here pay South Carolina's residential rate of 14¢/kWh; the typical bill of $151/month reflects local usage of around 1080 kWh. Below you can estimate your own bill by home size and usage, see whether solar pays off in Charleston, and compare it with other South Carolina cities.
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Charleston electric bill estimator
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Charleston electricity FAQ
How much does electricity cost in Charleston, SC?
Electricity in Charleston costs about 14¢/kWh, so a typical home using ~1080 kWh/month spends around $151 — that's +10% vs. the U.S. average of $137.
Is electricity cheap in Charleston?
At 14¢/kWh, electricity in Charleston is more expensive than the U.S. average. The cheapest way to lower it further is efficiency upgrades, off-peak usage, comparing suppliers in deregulated markets, and going solar.
What is the average electric bill in Charleston, SC?
About $151 per month at 14¢/kWh — +10% vs. the U.S. average of $137.
Why is the bill different in Charleston?
Charleston shares South Carolina's electricity price (14¢/kWh); the bill mostly varies with home size and usage. This estimate assumes typical local usage of about 1080 kWh per month.
How can I cut my bill in Charleston?
Efficiency upgrades, off-peak usage where time-of-use applies, comparing suppliers in deregulated markets, and solar all help. Estimate your own usage above.