• Homeowners suspected of having a lead service water line to their home have been notified of the LSL Repalcement Program available to them... read more>

  • One pack per household every 3 years.

  • If you are considering a solar panel installation, utilize our checklist to ensure you receive complete and accurate information. You can always call SPU with questions.

  • Office Closed Monday January 18

    The SPU Office will be closed Monday January 18 in observance of Dr. Martin Luther King, Jr. Day

  • Adopt-A-Hydrant

    Please keep the fire hydrants near your home cleared of snow with 3-ft clearance all around it. Seconds matter for Emergency Services to save a property, or a life.


Thank you to all who sent in the selfies with your gingerbread houses. We received 77 entries and they all gushed with holiday essence!...


SUN PRAIRIE, WISCONSIN – The City of Sun Prairie has been recognized as one of Money Magazine’s “Best Places to Live in America” for 2020. Sun Prairie was listed at #40 in part due to the relative...


As your locally-owned utility, our employees are our most valuable asset. In order to provide safe, efficient and reliable service...