EX-23.A 16 h15820exv23wa.txt CONSENT OF PRICEWATERHOUSECOOPERS LLP EXHIBIT 23.A CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We hereby consent to the incorporation by reference in the Registration Statements on Form S-3 (File No. 333-82412) and Form S-8 (File Nos. 333-96959, 333-26813, 333-26831, 333-26823, 333-46519, 33-49956, 33-51851, 33-57553, 33-51853, 333-75781, 333-78949, 333-78951, 333-78979, 333-94717, 333-94719, 333-52100, 333-64240, 333-64236, 333-31060, 333-82506) of El Paso Corporation of our report dated September 28, 2004 relating to the consolidated financial statements and financial statement schedule, which appear in this Form 10-K. /s/ PricewaterhouseCoopers LLP Houston, Texas September 29, 2004