The longest electrical transmission line in the world is the Zhundong–South Anhui UHVDC line in China. This Ultra-High-Voltage Direct Current (UHVDC) link spans an incredible 3,293 km (over 2,046 miles) and is designed to transmit massive amounts of power over long distances with minimal loss. This record-breaking line transmits power from the Zhundong coal fields in Xinjiang to the Anhui province in Eastern China, powering millions of homes and businesses.