As a modern suburb, Kennesaw benefits from comprehensive and reliable infrastructure.
Electricity is primarily provided by Cobb EMC, a large regional electric cooperative, and Georgia Power. Water and sewer services are managed by the Cobb County Water System, drawing predominantly from the Chattahoochee River and Lake Allatoona. The city enjoys excellent telecommunications infrastructure, with broadband and fiber-optic internet widely available through major providers like AT&T, Comcast Xfinity, and Spectrum. Cellular coverage is robust, fully supporting 5G networks across the city limits.