Powering Our Community for the Future

Naperville's Electric Utility understands that to power our world for future generations, we must make environmentally friendly decisions today. Our customers have the opportunity to make electricity-saving choices in their homes and businesses as well as bring clean energy to Illinois' power grid.  

Did you know?

Now in its 13th year, the Naperville Renewable Energy Program (NREP) has

3.3K customers
including residents and businesses who contribute each month on their utility bill. They support the development of 13.3 million kWh of Illinois renewable energy — wind and solar — which is enough energy to power about 1,200 homes in Naperville for a year.

Home Energy Calculator

The City of Naperville's Home Energy Suite estimates a customer's energy use and makes cost-saving recommendations - all in a matter of seconds.

Visit the Calculator

Load Factor Calculator

Businesses can evaluate their load factor and make changes that could potentially save them money.

Visit the Calculator

Department of Public Utilities - Electric

  • 1392 Aurora Avenue
    Naperville, IL 60540

    To set up new service: (630) 420-6059
    For billing questions: (630) 420-6059
    To report an electrical outage: (630) 420-6187
    To report streetlight issues: (630) 420-6187
    For all other electrical inquiries: (630) 420-6181