The Tennessee Valley Authority (TVA) is one of the nation's largest suppliers of public power, with 99.999 percent transmission reliability and the lowest industrial electricity rate among peer utilities. The TVA region, with a geographic footprint of 80,000 square miles, is the second-largest automobile manufacturing region in the country, offering access to a variety of foreign and domestic automakers and suppliers. More than 300,000 residents in the TVA area are employed in transportation-related manufacturing.