The HVDC Vancouver Island is the name for HVDC interconnection between the Vancouver Island Terminal (VIT) near North Cowichan, British Columbia on Vancouver Island at (48°49′39″N123°42′55″W) and the Arnott Substation (ARN) near Delta, British Columbia at (49°5′31″N123°2′31″W) on the Canadian mainland, which went into operation in 1968 and was extended in 1977. HVDC Vancouver Island consists of three overhead line sections with a total length of 42 kilometres and two submarine cable sections with a length of 33 kilometres.