Reliable utility infrastructure is essential to supporting business growth, workforce productivity, and industrial development in Unicoi County. Erwin Utilities provides electricity to the community, with power supplied through the Tennessee Valley Authority (TVA), ensuring dependable and competitively priced energy for local employers. In addition to electric service, Erwin Utilities delivers treated water from local wells and springs to much of the county and provides sewer services and broadband internet that support the daily operations of businesses and industries. The Unicoi County Gas Utility District, supplied by East Tennessee Natural Gas, serves more than 3,500 customers across the county and provides dependable natural gas service that supports commercial operations, manufacturing processes, and other business energy needs. The Unicoi Water Utility provides water service to various areas within the Town of Unicoi, helping ensure that businesses and employers have access to a reliable and safe water supply necessary for daily operations and future growth. Brightspeed Fiber Internet also serves the community by providing high-speed fiber internet service to homes and businesses throughout parts of Unicoi County, delivering reliable, high-capacity connectivity that supports modern business operations, remote work opportunities, digital commerce, and technology-driven industries.