WI NOx RACT Rules: Wisconsin Electric Power Company response to comments filed by the Sierra Club and Clean Wisconsin

To: Genevieve Damico U.S. EPA Region 5 Chicago, IL Re: Approval of Implementation Plans of Wisconsin: Nitrogen Oxides Reasonably Available Control Technology EPA-R05-OAR-2007-0587; FRL-9130-1 Response to Comments Filed by Sierra Club and Clean Wisconsin We are attorneys for Wisconsin Electric Power Company (d/b/a We Energies) in this matter. Attached as a PDF Document is the response by We Energies to comments filed by the Sierra Club and Clean Wisconsin on April 23, 2010 in the above-captioned matter. Our response is also being sent to you today via U.S. Mail. Please feel free to contact me if you have any questions or comments on this. Mike McCauley Pete Tomasi Attorneys for We Energies Michael S. McCauley Quarles & Brady LLP 411 East Wisconsin Avenue Suite 2040 Milwaukee, Wisconsin 53202-4497 Direct Dial: (414) 277-5525 Direct Fax: (414) 978-8925 E-mail: Michael.McCauley@quarles.com