Relating to the authority of a municipality to regulate the installation or inspection of a residential energy backup system.

HB 3493 prohibits Texas municipalities from regulating the installation or inspection of residential energy backup systems that provide no more than 50 kilowatts of electricity or have a storage capacity of no more than 100 kilowatt hours. The bill directly affects homeowners installing such systems and local governments previously able to enforce local electrical codes for these devices. It amends the Local Government Code to explicitly state municipalities cannot adopt or enforce ordinances, rules, or code amendments related to these systems. The law applies only to systems installed on or after its effective date of September 1, 2025.