Utility Providers in Carterville, Illinois

Carterville is served by 39 utility providers across 5 categories covering 1 ZIP code in Williamson County.

Williamson County · Updated May 2026

Utility rates in Carterville vs. US average

Electricity
16.2¢/kWh
≈ About US average (16.5¢)
Natural gas
$11.11/Mcf
↓ 23% below US average
Local electricity rate from NREL Utility Rate Database (2023), averaged across Carterville-area providers. State and US electric averages from EIA Form 861 (2024). Natural gas prices from EIA Form 176 (2024, $/Mcf). US avg electricity: 16.5¢/kWh · US avg gas: $14.50/Mcf.

Typical monthly utility bills in Carterville

Electricity$150-$199 (15.4¢–17.0¢/kWh)
Natural gas$100-$149
Water & sewer~$43/month

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 Carterville heats its homes

20%
74%
6%

20% natural gas · 74% electricity · 6% other fuels

Electric rates in Carterville

Residential rates range from 15.4¢ to 17.0¢ per kWh.

Carterville
16.2¢/kWh
U.S. avg
16.5¢/kWh

Providers include Ameren Illinois Company, Egyptian Electric Coop Assn, Southeastern IL Elec Coop, Inc.

Note: Illinois has a competitive electricity market — you may be able to choose your supplier.

Internet providers in Carterville

Carterville has strong broadband coverage.

ClearWave
7,000 Mbps
Fiber
Frontier
7,000 Mbps
Fiber / DSL
4 SIWI LLC
1,000 Mbps
Fiber
Futiva
1,000 Mbps
Fiber
Mediacom Xtream
1,000 Mbps
Cable

Availability varies by address. Based on FCC Broadband Data Collection filings.

Electric 3 providers

Ameren Illinois Company
Egyptian Electric Coop Assn
Southeastern IL Elec Coop, Inc

Natural Gas 1 provider

Ameren Illinois

Water 24 providers

Sewer 2 providers

CARTERVILLE STP, CITY OF
CRAINVILLE STP, VILLAGE OF

Internet 9 providers

4 SIWI LLC
Fiber up to 1,000 Mbps
AT&T
Fixed Wireless up to 100 Mbps
ClearWave
Fiber up to 7,000 Mbps
Frontier
Fiber / DSL up to 7,000 Mbps
Futiva
Fiber up to 1,000 Mbps
Mediacom Bolt
Fixed Wireless up to 100 Mbps
Mediacom Xtream
Cable up to 1,000 Mbps
T-Mobile
Fixed Wireless up to 100 Mbps
Verizon
Fixed Wireless up to 300 Mbps

ZIP codes in Carterville, IL

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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.