Korea Electric Power Corporation (KEPCO), LS Cable & System, and AMSC announced that a HVDC HTS cable was energized on Jeju Island in late 2014. The 500 meter, 80kV DC cable by AMSC's Amperium® HTS wire were successfully tested in KEPCO's electricity grid. KEPCO is planning to make a 1km and 154kV AC cable at the same site.