Utility Providers in Lake Koshkonong, Wisconsin

Lake Koshkonong is served by 45 utility providers across 5 categories covering 1 ZIP code in Jefferson County.

Jefferson County · Updated April 2026

Utility rates in Lake Koshkonong vs. US average

Electricity
16.4¢/kWh
≈ About US average (16.5¢)
↓ 5% below WI state average (17.2¢)
Natural gas
$10.14/Mcf
↓ 30% below US average
Local electricity rate from NREL Utility Rate Database (2023), averaged across Lake Koshkonong-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 Lake Koshkonong

Electricity$150-$199 (14.2¢–19.0¢/kWh)
Natural gas$150-$199
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 Lake Koshkonong heats its homes

69%
18%
13%

69% natural gas · 18% electricity · 13% other fuels

Electric rates in Lake Koshkonong

Residential rates range from 14.2¢ to 19.0¢ per kWh.

Lake Koshkonong
16.6¢/kWh
U.S. avg
16.5¢/kWh

Providers include Adams-Columbia Electric Coop, Jefferson Utilities, Lake Mills Light & Water, Waterloo Light & Water Comm, Wisconsin Electric Power Co, Wisconsin Power & Light Co.

Internet providers in Lake Koshkonong

Lake Koshkonong has strong broadband coverage.

TDS Telecom
8,000 Mbps
Fiber
Bug Tussel Wireless
1,000 Mbps
Fiber
Edge Broadband
1,000 Mbps
Fiber
Spectrum
1,000 Mbps
Cable / Fiber
Verizon
300 Mbps
Fixed Wireless

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

Electric 6 providers

Adams-Columbia Electric Coop
Jefferson Utilities
Lake Mills Light & Water
Waterloo Light & Water Comm
Wisconsin Electric Power Co
Wisconsin Power & Light Co

Natural Gas 2 providers

Wisconsin Electric Power Co

Water 27 providers

AUTUMN RIDGE WATER SYSTEM LLC
BREEZY KNOLL COMMUNITY
FORT ATKINSON WATERWORKS
HICKORY HILL PARK LLC
JEFFERSON WATERWORKS
JOHNSON CREEK WATERWORKS
LAKE MILLS WATERWORKS
LAKEWOOD VILLAGE
OAK RIDGE MOBILE COM 1 & 2
OAK RIDGE MOBILE COM 3
OAK RIDGE MOBILE COM 4
PALMYRA WATERWORKS
PARKVIEW APARTMENTS
RIPVIEW COURT 1
RIPVIEW COURT 2
RIPVIEW COURT 3
RIPVIEW COURT 4
RIVER VALLEY APTS NORTH
RIVER VALLEY APTS SOUTH
ROCK RIVER MOBILE HOME PARK
SPACIOUS ACRES MOBILE HOME COMMUNITY
STANTON PLACE I
STANTON PLACE II
TREMAIN MOBILE HOME PARK
WATERLOO WATERWORKS
WATERTOWN WATERWORKS
WOLFS MOBILE HOMES

Sewer 1 provider

FORT ATKINSON WASTEWATER TREATMENT FACILITY

Internet 10 providers

AT&T
DSL / Fixed Wireless up to 100 Mbps
Brightspeed
DSL up to 100 Mbps
Bug Tussel Wireless
Fiber up to 1,000 Mbps
Edge Broadband
Fiber up to 1,000 Mbps
Frontier
DSL up to 115 Mbps
Spectrum
Cable / Fiber up to 1,000 Mbps
T-Mobile
Fixed Wireless up to 100 Mbps
TDS Telecom
Fiber up to 8,000 Mbps
UNITED STATES CELLULAR CORPORATION
Fixed Wireless up to 100 Mbps
Verizon
Fixed Wireless up to 300 Mbps

ZIP codes in Lake Koshkonong, WI

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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: April 2026.