Welcome To The New SPU Website!    Register On My Account To Manage Your Account Online!

  • Customers may call the SPU Business Office at 837-5500 or visit the utility office at 125 W. Main Street from 8 a.m. to 4:30 p.m.

  • 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. 

  • Do you have a lead water service line into your property? Find simple tips to find out for yourself, or call 837-5500 to set an appointment.

  • Plug with cityscape image and sun prairie utilities logo

    We are dedicated to exceeding customer expectations with innovative, reliable and sustainable services and a friendly, personal touch.


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.