EX-23.A-2 4 c70287a1exv23wav2.txt EX-23.A-2 CONSENT OF DELOITTE & TOUCHE LLP EXHIBIT 23-A-2 INDEPENDENT AUDITORS' CONSENT We consent to the incorporation by reference in this Amendment No. 1 to the Registration Statement number 333-90952 of Otter Tail Corporation on Form S-3 of our report dated February 1, 2002 incorporated by reference in the Annual Report on Form 10-K of Otter Tail Corporation for the year ended December 31, 2001 and to the reference to us under the heading "Experts" in the Prospectus, which is part of this Registration Statement. /s/ DELOITTE & TOUCHE LLP Minneapolis, Minnesota August 6, 2002