TransCanada Corporation is a major North American energy company based in Calgary, Alberta, developing and operating energy infrastructure in North America. Its pipeline network includes approximately 3,460 kilometres (2,150 miles) of oil pipeline, plus approximately 68,500 kilometres (42,564 miles) of wholly owned and 11,500 kilometres (7,146 miles) of partially owned gas pipeline that connects with virtually all major gas supply basins in North America. TransCanada is one of the continent’s largest providers of gas storage and related services with approximately 400 billion cubic feet (1.1×1010 m3) of storage capacity. TransCanada also owns, or has interests in, approximately 11,800 megawatts of power generation.[2]