• Summer Sewer Averaging is Here!

    Summer Sewer Averaging will be in affect with regular billing meter readings after May 14th  and will be in place for 4 billing periods.

  • Straight from the DNR, the latest Sun Prairie Utilities Water Quality Report is available!

  • Energy Star Appliance Replacement

    High Efficiency Toilet (1.28 gal/ flush) Replacement

    Smart Thermostat Replacement

  • text consumer bill of rights

    As a customer of Sun Prairie Utilities, you are entitled to certain rights and protections. Read about all of your rights as an SPU consumer. 

  • Sun Prairie Utilities welcomes you to our redesigned website. We hope you find this site easier to navigate and easier to communicate with us. 


SPU has converted our customer web portal to a new software, My Account. The old customer portal credentials terminated March 4, 2019, at 12:00 p.m.


As part of our Water Conservation Plan, Sun Prairie Utilities has received permission from the Wisconsin Public Service Commission to offer a Toilet Replacement Rebate incentive.



Sun Prairie Utilities has initiated an Advanced Metering Infrastructure (AMI) project to transition electric and water meters throughout the City to be an advanced, two-way meter.