Average Utility Costs in South Carolina

Typical monthly utility costs in South Carolina are about $266.63/mo, based on 1,000 kWh of electricity and 5,000 gallons of water (plus sewer and trash where available). Compare South Carolina cities below to find cheaper vs more expensive areas.

Electric: Charleston uses Dominion Energy South Carolina. Water and sewer from Charleston Water System. Garbage/trash via City of Charleston Environmental Services.

Average Monthly Utility Costs in South Carolina

The average utility bill in South Carolina is estimated at $266.63 per month, a typical total assembled from median city estimates for electricity, water, sewer, and trash. To reflect a more typical bill across cities (and reduce the impact of outliers), these "average" values use the median of city estimates.

Electric (1,000 kWh)
$164.32
Median of city estimates; each city uses its serving provider's rate.
Water (5,000 gal)
$23.08
Median of non-$0 cities — Some cities show $0 when no municipal rate is published or service varies by address; this is the median of cities with a reported rate.
Sewer
$56.98
Median of non-$0 cities — Some cities show $0 when no municipal rate is published or service varies by address; this is the median of cities with a reported rate.
Trash
$22.25
Median of non-$0 cities — Some cities show $0 when no municipal rate is published or service varies by address; this is the median of cities with a reported rate.
Typical total (assembled from medians)
$266.63
Alternate view: Median of city totals: $249.37

Assumptions: 1,000 kWh/month and 5,000 gallons/month (where applicable). "Average" values represent the median city estimate; water/sewer/trash medians exclude $0 entries when service or published rates vary by address. Actual bills vary by usage, fees, and provider.

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Utility providers in South Carolina

In the cities we cover, electric is provided by Appalachian Power (AEP) (Roanoke, Charleston, Huntington, Morgantown, Parkersburg); City of Columbia Water & Light (Columbia); City of Rock Hill Utilities (Rock Hill); Dominion Energy South Carolina (Charleston, Columbia, Mount Pleasant, Summerville); Duke Energy Carolinas (Charlotte, Greensboro, Greenville, Winston Salem) Dominion Energy, Charleston Water System, and municipal rates from official sources. Water, sewer, and trash are set by city, county, or regional providers. Our estimates use each utility's published rate at 1,000 kWh. City pages show sources and last-verified dates.

See which electric, water, sewer, and trash providers serve different areas of South Carolina, along with typical residential rate information and sources.

View utility providers in South Carolina

These rankings are estimates for comparison at 1,000 kWh. For the full breakdown (electric, water, sewer, trash) by city, use the comparison table below.

Cheapest electric rates in South Carolina

Top 5 cities with the lowest estimated electric bill at 1,000 kWh. See the comparison table below for all cities.

Most expensive total utility monthly cost in South Carolina

Top 5 cities with the highest estimated total (electric + water + sewer + trash). See the comparison table for all cities.

Compare all cities

Estimated monthly costs by city, sorted by total (highest first). Same assumed usage (1,000 kWh, 5,000 gal) for comparison; some cities may show $0 when no single published municipal rate is available or service varies by address. 6 cities.

CityCountyElectricWaterSewerTrashTotalView
Mount PleasantCharleston County$164.32$45.55$70.25$0.00$280.12View Mount Pleasant details →
CharlestonCharleston County$164.32$27.49$85.43$0.00$277.24View Charleston details →
ColumbiaRichland County$164.32$22.91$44.08$35.00$266.31View Columbia details →
GreenvilleGreenville County$136.34$15.62$62.96$17.50$232.42View Greenville details →
Rock HillYork County$131.38$22.86$51.00$27.00$232.24View Rock Hill details →
SummervilleDorchester County$164.32$23.25$27.50$15.00$230.07View Summerville details →

Compare with nearby states

Compare utility costs in South Carolina with neighboring states.

FAQ – Utilities in South Carolina

Dominion Energy South Carolina provides electric service. Charleston Water System (CWS) provides water and sewer. City of Charleston Environmental Services provides garbage and trash collection; service is typically funded through city taxes (no separate monthly fee shown).
Costs vary by electric provider (Dominion vs. co-ops, Santee Cooper), water and sewer systems (Charleston Water System vs. county utilities), and trash programs. Some areas have separate monthly trash fees; others fund collection through taxes.
We estimate four components: electric (1,000 kWh monthly), water (base + volumetric), sewer (based on water use), and trash (city/county fee where applicable). Each city page shows assumptions and sources.
Some cities show $0 when a single published rate isn't available, service varies by address/provider, or the service is funded through taxes. In the state 'median' cards, water/sewer/trash medians exclude $0 entries.
Each city page links to official sources and shows last-verified dates. The Providers page lists utilities and the cities they serve. Use the city search to drill down.