The Sevier County Electric System, also known as SCES, is a nonprofit, public utility company. The system has been in operation for more than 65 years. It provides electricity for over 53,000 residential and commercial customers in Sevier and Blount counties in Tennessee. The system purchases electricity on the basis of a wholesale contract from the Tennessee Valley Authority. The Sevier County Electric System offers 24-hopur emergency assistance over telephone. The system operates an in home energy evaluation program that helps customers to reduce their power consumption. It offers a variety of power switches and surge protection devices. The Sevier County Electric System also provides water heaters under the Marathon brand.