exhibit_23a.htm

We hereby consent to the incorporation by reference in the Registration Statements on Form S-3 (Nos. 333-150681, 333-02109, 333-41882, 333-57104, 333-147965) and Form S-8 (Nos. 333-16445, 333-16463, 333-82901, 333-91348, 333-105225, 333-124455, 333-162890) of ALLETE, Inc. of our report dated February 12, 2010, relating to the financial statements, financial statement schedule and the effectiveness of internal control over financial reporting, which appears in this Form 10-K.