EXHIBIT 23 - ---------- Consent of Independent Public Accountants As independent public accountants, we hereby consent to the incorporation of our reports dated February 7, 2002, included in this Form 10-K for the year ended December 31, 2001, into SEMCO Energy Inc.'s previously filed Registration Statements No. 333-18927, 333-58715, and 333-91815. Arthur Andersen LLP Detroit, Michigan, March 25, 2002