CONSENT OF INDEPENDENT CHARTERED ACCOUNTANTS We consent to the reference of our firm under the caption "Experts" and to the use of our reports dated February 1, 2002, in the Registration Statement (Form F-10 No. -) and related Prospectus of TransAlta Corporation dated May 6, 2002. Calgary, Canada /s/ Ernst & Young LLP May 6, 2002 Chartered Accountants