EXHIBIT 23.4 Consent of Independent Public Accountants To the Stockholders and Board of Directors of Public Service Company of Oklahoma: As independent public accountants, we hereby consent to the incorporation of our report dated February 16, 1998, included in this Form 10-K, into Public Service Company of Oklahoma's previously filed registration statement on Form S-3 (File No. 333-00973). Arthur Andersen LLP Dallas, Texas March 25, 1998