San Jose's infrastructure is supported by a mix of municipal and private entities. Electricity and natural gas are primarily provided by Pacific Gas and Electric (PG&E), augmented by San Jose Clean Energy, a municipal community choice aggregation program focusing on renewable sources.
Water is supplied by the San Jose Water Company and the municipal San Jose Municipal Water System. The San Jose-Santa Clara Regional Wastewater Facility is one of the largest advanced wastewater treatment plants in the western United States. The city features robust telecommunications infrastructure, with extensive broadband and fiber-optic networks supporting its tech-heavy populace, as well as ubiquitous 5G cellular coverage.