EX-23.(A) 7 a2079349zex-23_a.txt CONSENT OF ARTHUR ANDERSEN EXHIBIT 23(a) CONSENT OF INDEPENDENT ACCOUNTANTS Board of Directors Aquila, Inc. As independent public accountants, we hereby consent to the incorporation by reference in this Registration Statement (Form S-3) of our reports dated February 5, 2002, included in Aquila, Inc.'s (formerly known as UtiliCorp United Inc.) Annual Report on Form 10-K and 10-K/A for the year ended December 31, 2001, and to all references to our Firm included in this Registration Statement. /s/ Arthur Andersen LLP ----------------------- Arthur Andersen LLP Kansas City, Missouri May 13, 2002