Exhibit 16.1 June 5, 2002 Securities and Exchange Commission Washington, D.C. 20549 Re: Mid-Power Service Corporation (Commission File No. 2-85602-D) Gentlemen: We have read Item 4 of Mid-Power Service Corporation's Form 8-K dated June 4, 2002, and are in agreement with the statements contained therein as they relate to us. Very truly yours, /s/ Hein + Associates LLP HEIN + ASSOCIATES LLP Orange, California