Utility rates in Charleston vs. US average
Typical monthly utility bills in Charleston
Figures from U.S. Census ACS 5-year estimates, reflecting households that pay utilities separately from rent. In dense urban areas where heat or hot water is often included in rent, these numbers represent the subset of residents who pay directly.
How Charleston heats its homes
28% natural gas · 72% electricity
Electric rates in Charleston
Residential rates range from 14.1¢ to 14.4¢ per kWh.
Providers include Berkeley Electric Coop Inc, Dominion Energy South Carolina, Inc, Edisto Electric Coop, Inc.
This is 14% below the national average of 16.5¢/kWh.
Internet providers in Charleston
Charleston has strong broadband coverage.
Availability varies by address. Based on FCC Broadband Data Collection filings.
Electric 3 providers
Natural Gas 1 provider
Water 29 providers
Sewer 3 providers
Trash & Recycling 2 providers
Internet 8 providers
Business Internet 1 provider
These providers offer business-class internet service in this area.
ZIP codes in Charleston, SC
Disclaimer: Provider information is sourced from federal databases including HIFLD, EPA SDWIS, FCC Broadband Data, and EIA-861. Utility cost estimates are from the U.S. Census Bureau American Community Survey 5-Year Estimates. Local electric rates are based on 2023 NREL Utility Rate Database data; state and US averages are from EIA Form 861 (2024). Coverage areas are approximate and may not reflect recent changes. Please verify directly with your provider.
Data sources: U.S. Census Bureau, NREL, EIA-861, HIFLD, EPA, FCC. Last updated: May 2026.