A commercial use of one or more buildings, designed and intended primarily to house computer, networking and communication systems, equipment and components, such as routers, switches, firewalls, servers, storage systems and application-delivery controllers, for storing, processing, managing, transmitting and backing up electronic data necessary for the operation of a business, enterprise, institution, or other similar organizational entity. A data center also includes accessory and supporting public utilities (e.g., substations, switch stations, etc.), infrastructure systems, mechanical equipment, components and environmental controls (e.g., air conditioning or cooling towers, fire suppression, etc.), redundant/backup power supplies, redundant data communications connections and enhanced security.