Exhibit 23.1

Consent of Independent Registered Public Accounting Firm

Plan Administrator

TransCanada 401(k) and Savings IBEW 1245 Plan

We consent to the incorporation by reference in the registration statement (No. 333-151736) on Form S-8 of TransCanada Corporation of our report dated June 23, 2011, with respect to the statements of net assets available for benefits of the TransCanada 401(k) and Savings IBEW 1245 Plan as of December 31, 2010 and 2009, the related statements of changes in net assets available for benefits for the years then ended, and the supplemental schedule H, line 4i – schedule of assets (held at end of year) as of December 31, 2010, which report appears in the December 31, 2010 annual report on Form 11-K of the TransCanada 401(k) and Savings IBEW 1245 Plan.

/s/ KPMG LLP

Omaha, Nebraska

June 23, 2011