Who provides the city's electrical and gas service?
Depending on your location, electric and gas services are provided to residents of Thornton by Xcel Energy or United Power. This information should be on your electric or gas utility bill. To view the geographic areas serviced by each company, see the Utility Services map (external link).
For information on gas leaks, power outages, gas or electric appliance repair, transfer of service or starting new service, estimated meter reading or other billing concerns, automated meter reading for gas and electric service, or general gas and electric service questions, use the following contact information.
Xcel Energy
https://my.xcelenergy.com/customersupport/s/
Phone: 800-895-4999
United Power
https://www.unitedpower.com/contact-us
Phone: 800-468-8809