Hurricane Beryl is affecting PSN phone-in payments causing longer wait times. SPU reminds of online payments via MyAccount 24/7.

  • Sun Prairie Strong.

    July 10th marks the anniversary of one of the greatest tragedies of Sun Prairie. Remember all of the heroes who serve our great community. 

  • Sun Prairie Utilities' office has limited hours on Thursday, July 11, 2024. The office is open from 1:00 p.m. to 4:30 p.m.
    Office Closure

    The SPU office will have limited hours on July 11. It will be open from 1:00 p.m. to 4:30 p.m. so employees can attend a staff event. Crews will be available in case of an emergency.

  • Sun Prairie Utilities Annual Water Quality Report.

    SPU staff are proud to report that Sun Prairie's drinking water continues to meet all Federal and State standards for health and safety. Click to find the 2023 Water Quality Report >>

  • Sun Prairie Utilities is a Reliable Public Power Provider.

    SPU recently received a Reliable Public Power Provider Diamond-level designation - ranking us in the upper 6%! Click the image to read more >>

  • Image of Sun Prairie Utilities Welcome Packet.

    We created a packet to help customers find useful information about the utility in one document. Check it out >>


As a way to maintain a safe and dependable drinking water supply, Sun Prairie Utilities (SPU) practices cross connection investigation and solutions. These inspections are through the...


You may see our crews flushing hydrants in Sun Prairie. Your water’s color and pressure could be impacted. 

Please update your email address. We are...


Everyone needs help sometimes, especially when the cost of living increases. Sun Prairie Utilities has compiled a list of resources you can use to help meet the cost of your utility bills.