Utility Providers in Decatur, Illinois

Decatur is served by 31 utility providers across 5 categories covering 6 ZIP codes in Macon County.

Macon County · Updated May 2026

Utility rates in Decatur vs. US average

Electricity
17.3¢/kWh
≈ About US average (16.5¢)
↑ 9% above 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 Decatur-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 Decatur

Electricity$150-$199 (15.6¢–19.3¢/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 Decatur heats its homes

63%
27%
11%

63% natural gas · 27% electricity · 11% other fuels

Electric rates in Decatur

Residential rates range from 15.6¢ to 19.3¢ per kWh.

Decatur
17.4¢/kWh
U.S. avg
16.5¢/kWh

Providers include Ameren Illinois Company, Corn Belt Energy Corporation, Menard Electric Coop, Shelby Electric Coop, Inc - (IL).

This is 5% above 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 Decatur

Decatur has strong broadband coverage.

Stratus Networks Inc
10,000 Mbps
Fiber
Conxxus
5,000 Mbps
Fiber
Xfinity
2,000 Mbps
Cable / Fiber
Rise Broadband
1,000 Mbps
Fiber
Sparklight
1,000 Mbps
Cable

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

Electric 4 providers

Ameren Illinois Company
Corn Belt Energy Corporation
Menard Electric Coop
Shelby Electric Coop, Inc - (IL)

Natural Gas 1 provider

Ameren Illinois

Water 14 providers

Sewer 2 providers

Decatur Sanitary District
SANITARY DISTRICT OF DECATUR MAIN STP

Internet 10 providers

AT&T
Fixed Wireless / DSL up to 100 Mbps
Consolidated Communications
DSL up to 500 Mbps
Conxxus
Fiber up to 5,000 Mbps
Frontier
DSL up to 115 Mbps
Rise Broadband
Fiber up to 1,000 Mbps
Sparklight
Cable up to 1,000 Mbps
Stratus Networks Inc
Fiber up to 10,000 Mbps
T-Mobile
Fixed Wireless up to 100 Mbps
Verizon
Fixed Wireless up to 300 Mbps
Xfinity
Cable / Fiber up to 2,000 Mbps

ZIP codes in Decatur, 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.