Utility Providers in Marion, Illinois

Marion is served by 43 utility providers across 5 categories covering 1 ZIP code in Williamson County.

Williamson County · Updated May 2026

Utility rates in Marion vs. US average

Electricity
15.4¢/kWh
↓ 7% below US average (16.5¢)
↓ 3% below IL state average (15.9¢)
Natural gas
$11.11/Mcf
↓ 23% below US average
Local electricity rate from NREL Utility Rate Database (2023), averaged across Marion-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 Marion

Electricity$150-$199 (13.7¢–17.0¢/kWh)
Natural gas$100-$149
Water & sewer~$28/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 Marion heats its homes

25%
69%
7%

25% natural gas · 69% electricity · 7% other fuels

Electric rates in Marion

Residential rates range from 13.7¢ to 17.0¢ per kWh.

Marion
15.3¢/kWh
U.S. avg
16.5¢/kWh

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

This is 7% below the national average of 16.5¢/kWh.

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

Internet providers in Marion

Marion has strong broadband coverage.

ProTek Communications
10,000 Mbps
Fiber
ClearWave
7,000 Mbps
Fiber
Frontier
5,000 Mbps
Fiber / DSL
4 SIWI LLC
1,000 Mbps
Fiber
Futiva
1,000 Mbps
Fiber

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 3 providers

EAST CAPE GIRARDEAU
LAKE OF EGYPT SEWER DISTRICT STP
MARION-WRF, CITY OF

Internet 12 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 5,000 Mbps
Futiva
Fiber up to 1,000 Mbps
Mediacom Bolt
Fixed Wireless up to 100 Mbps
Mediacom Xtream
Cable up to 1,000 Mbps
ProTek Communications
Fiber up to 10,000 Mbps
Shawnee Communications
Fiber up to 1,000 Mbps
T-Mobile
Fixed Wireless up to 100 Mbps
Verizon
Fixed Wireless up to 300 Mbps
Zito Media
Cable up to 1,000 Mbps

ZIP codes in Marion, 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.