| TransCanada Corporation (TransCanada) is a North American energy infrastructure company focused on pipelines and energy. At December 31, 2007, Pipelines accounted for approximately 53% of revenues and 73% of TransCanada's total assets and the Energy business accounted for approximately 47% of revenues and 23% of TransCanada's total assets. TransCanada's business segments comprise Pipelines and Energy. Pipelines principally comprise the Company's pipelines in Canada, the United States and Mexico, and its regulated natural gas storage operations in the United States. Energy includes the Company's power operations, the non-regulated natural gas storage business and liquefied natural gas (LNG) projects. In August 2008, TransCanada announced that through its subsidiaries, it has acquired KeySpan-Ravenswood, LLC and KeySpan Ravenswood Services Corp. In September 2008, TransCanada acquired Bison Pipeline LLC from Northern Border Pipeline Company. |
