Utility Providers in Buffalo, Illinois

Buffalo is served by 51 utility providers across 4 categories covering 1 ZIP code in Sangamon County.

Sangamon County · Updated May 2026

Utility rates in Buffalo vs. US average

Electricity
18.0¢/kWh
↑ 9% above US average (16.5¢)
↑ 13% 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 Buffalo-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 Buffalo

Electricity$150-$199 (17.0¢–19.3¢/kWh)
Natural gas$200-$249
Water & sewer~$60/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 Buffalo heats its homes

31%
13%
56%

31% natural gas · 13% electricity · 56% other fuels

Electric rates in Buffalo

Residential rates range from 17.0¢ to 19.3¢ per kWh.

Buffalo
18.1¢/kWh
U.S. avg
16.5¢/kWh

Providers include Ameren Illinois Company, City of Springfield - (IL), Menard Electric Coop, Shelby Electric Coop, Inc - (IL).

This is 9% 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 Buffalo

Buffalo has moderate broadband coverage.

Mediacom Xtream
1,000 Mbps
Cable
Verizon
300 Mbps
Fixed Wireless
AT&T
100 Mbps
Fixed Wireless
T-Mobile
100 Mbps
Fixed Wireless

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

Electric 4 providers

Ameren Illinois Company
City of Springfield - (IL)
Menard Electric Coop
Shelby Electric Coop, Inc - (IL)

Natural Gas 1 provider

Ameren Illinois

Water 42 providers

BISSELL VILLAGE MHC
COTTONWOOD COVE MHP
CURRAN-GARDNER TOWNSHIP PWD
DEERWOOD ESTATES
EDGEWOOD MOBILE HOME COURT (MHC)
EJ WATER-SANGCHRIS
FORREST PARK MHP
GASLITE COURT MHC
GRAND VALLEY VILLAGE MHP
LINDEN MANOR MHP
MECHANICSBURG-BUFFALO WATER COMMISSION
MILTON MANOR MHP
OAKWOOD ESTATES
PATCH PLACE MHC
PHEASANT RUN MHP
PLEASANT PLAINS
RIDGE VILLAGE MHP
ROUND PRAIRIE WATER COOP
SOUTH SANGAMON WATER COMMISSION
UNITED REGIONAL WATER COOP
WOODLAND ACRES MHP

Internet 4 providers

AT&T
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 Buffalo, 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.