PARTNERS' EQUITY	12 Months Ended
PARTNERS' EQUITY	Dec. 31, 2012
PARTNERS' EQUITY
PARTNERS' EQUITY	NOTE 8 PARTNERS' EQUITY At December 31, 2012 and 2011, Partners' equity included 53,472,766 common units representing an aggregate 98 percent limited partner interest in the Partnership (including 5,797,106 common units held by the General Partner and 11,287,725 common units held indirectly by TransCanada) and an aggregate two percent general partner interest. In aggregate, the General Partner's interests represent an effective 12.6 percent ownership in the Partnership at December 31, 2012 and 2011. On May 3, 2011, the Partnership completed a public offering of 7,245,000 common units at $47.58 per common unit for gross proceeds of $345 million and net proceeds of $331 after unit issuance costs. The General Partner maintained its effective two percent general partner interest in the Partnership by contributing $7 million to the Partnership in connection with the offering. See Note 6 for additional information regarding the equity issuance in connection with the Acquisitions.

The entire disclosure for the formation, structure, control and ownership of the partnership. Disclosures related to accounts comprising partners' capital. Includes balances of general partners' capital account, limited partners' capital account, preferred partners' capital account and total partners' capital account and units outstanding; accumulated other comprehensive income; amount and nature of changes to amount of partner's capital and units outstanding by class, rights and privileges for each class of units; distribution policies and distributions paid by unit class; impact of and correction of an error in previously issued financial statements; limitations of partners' liability; redemption, conversion and distribution policies; and deferred compensation related to the issuance of units.

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