EXHIBIT 23(a) INDEPENDENT AUDITORS' CONSENT Upper Peninsula Energy Corporation We consent to the incorporation by reference in Registration Statement No. 2-83852 on Form S-8 of our report dated February 6, 1998, appearing in this Annual Report on Form 10-K of Upper Peninsula Energy Corporation for the year ended December 31, 1997. Deloitte & Touche LLP Davenport, Iowa March 25, 1998