| TransCanada Corporation (TransCanada) is a North American energy infrastructure company focused on natural gas pipelines, oil pipelines and energy. During the year ended December 31, 2010, natural gas pipelines accounted for approximately 54% of its revenues, oil pipelines had no revenues and energy accounted for approximately 46% of the Company's revenues. TransCanada is engaged in development and operation of North American energy infrastructure, including natural gas and regulated gas storage facilities. The Company's Keystone is a crude oil pipeline system. The energy segment of TransCanada's business includes the acquisition, development, construction, ownership and operation of electrical power generation plants, the purchase and marketing of electricity, the provision of electricity account services to energy and industrial customers, the development, construction and ownership and operation of non-regulated natural gas storage in Alberta. |
