Exhibit No. 23.A
Consent of Independent Registered Public Accounting Firm
We consent to the reference to our firm under the caption “Experts” in this Registration Statement (Form S-3) and related Prospectus of El Paso Corporation for the registration of debt securities, preferred stock, common stock, purchase contracts, warrants, and units and to the incorporation by reference therein of our reports dated February 25, 2008, with respect to the consolidated financial statements and schedule of El Paso Corporation, and the effectiveness of internal control over financial reporting of El Paso Corporation, included in its Annual Report (Form 10-K) for the year ended December 31, 2007, filed with the Securities and Exchange Commission.
/s/ Ernst & Young LLP
Houston, Texas
February 26, 2009
February 26, 2009