Public utilities provide electric, gas, water or telephone service to customers in a specified area. Utilities have a duty to provide safe and adequate service on reasonable terms to anyone who lives within the service area on without discriminating between customers. Because most utilities operate in near monopolistic conditions, they can be heavily regulated by local, state, and federal authorities. Generally, the local and state agencies are called Public Service Commissions (PSC) or Public Utility Commissions (PUC). Municipal Utilities and Rural Electric Cooperatives may be unregulated though.
Keller is a city located in Tarrant County, Texas. It is a wealthy northern suburb of the city of Fort Worth and is part of the Dallas-Fort Worth Metroplex. The population is 37,685 at the year of 2007, but 2010 estimates have been released and been reported as the population will be reaching 40,127.