1 Exhibit 15-58 May 8, 1995 The Detroit Edison Company Detroit, Michigan We have conducted a review, in accordance with standards established by the American Institute of Certified Public Accountants, of the unaudited interim financial information of The Detroit Edison Company and subsidiary companies for the three-month and twelve-month periods ended March 31, 1995, as indicated in our report dated May 8, 1995. Because we did not perform an audit, we expressed no opinion on that information. We are aware that our report referred to above, which is included in your Quarterly Report on Form 10-Q for the quarter ended March 31, 1995, is incorporated by reference in the Registration Statement on Form S-4 (Registration No. 33-57545) of DTE Holdings, Inc., and is also incorporated by reference in the following Registration Statements of The Detroit Edison Company: Form Registration No. -------- ---------------- Form S-3 33-30809 Form S-3 33-50325 Form S-3 33-53207 Form S-3 33-57095 Form S-3 33-64296 Form S-8 33-32449 We also are aware that the aforementioned report, pursuant to Rule 436(c) under the Securities Act of 1933, is not considered a part of the Registration Statement prepared or certified by an accountant or a report prepared or certified by an accountant within the meaning of Sections 7 and 11 of that Act. DELOITTE & TOUCHE LLP