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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549
 Form 10-K/A (Amendment No. 1 to Form 10-K)
 FOR ANNUAL TRANSITION REPORTS
PURSUANT TO SECTIONS 13 OR 15(d) OF THE
SECURITIES EXCHANGE OF 1934 þ            ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 o            TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2004 Commission file number 1-2198 THE DETROIT EDISON COMPANY  Michigan
    
    38-0478650(State or other jurisdiction of incorporation or
    
    (I.R.S. Employerorganization)
    
    Identification No.)
 2000 2nd Avenue, Detroit, Michigan
    
    48226-1279(Address of principal executive offices)
    
    (Zip Code)
 313-235-4000
(Registrants telephone number, including area code) Securities registered pursuant to Section 12(b) of the Act: Title of each class
    
    Name of each exchange on which registeredQuarterly Income Debt Securities (QUIDS)
    
    New York Stock Exchange(Junior Subordinated Deferrable Interest Debentures 7.625%, 7.54% and 7.375% Series)
 Securities registered pursuant to Section 12(g) of the Act:
None Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange
Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been
subject to such filing requirements for the past 90 days.                      Yes þ            No o Indicate by check mark if disclosure of delinquent filers pursuant to Item 405 of Regulation S-K is not contained herein, and will not be
contained, to the best of registrants knowledge, in definitive proxy or information statements incorporated by reference in Part III of this
Form 10-K or any amendment to this Form 10-K. o Indicate by check mark
whether the registrant is an accelerated filer (as defined in
Exchange Act Rule 12b-2     Yes o            No þ All of the registrants 138,632,324 outstanding shares of common stock, par value $10 per share, are owned by DTE Energy Company.




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Table of Contents PageExplanatory Note
    
    
    3PartIIItem 9A. Controls and Procedures
    
    
    3Part
IVItem 15. Exhibits and Financial Statement Schedules
    
    
    4Signatures
    
    
    5Chief Executive Officer Section 302Chief Financial Officer Section 302Chief Executive Officer Section 906Chief Financial Officer Section 906
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EXPLANATORY NOTE This Form 10-K/A is being filed to amend and restate Item 9A of Part II of the Annual Report
on Form 10-K for the fiscal year ended December 31, 2004 (2004 10-K), which was filed with the
Securities and Exchange Commission on March 15, 2005 by The Detroit Edison Company (the Company).
This amendment rephrases the language regarding the effectiveness of the Companys disclosure
controls and procedures as of December 31, 2004. In addition, as required by Rule 12b-15 under the
Securities Exchange Act of 1934, as amended (the Exchange Act), new certifications by the
Companys principal executive officer and principal financial officer are being filed as exhibits
to this Form 10-K/A under Item 15 of Part IV hereof. For purposes of this Form 10-K/A, and in accordance with Rule 12b-15 under the Exchange Act,
Item 9A of the 2004 10-K has been amended and restated in its entirety. No attempt has been made in
this Form 10-K/A to modify or update other disclosures as presented in the original 2004 10-K. 
 PART II 
 Item 9A. Controls and Procedures (a) Evaluation of disclosure controls and procedures Management of the Company carried out an evaluation, under the supervision and with the
participation of the Companys Chief Executive Officer and Chief Financial Officer, of the
effectiveness of the design and operation of the Companys disclosure controls and procedures (as
defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) as of December 31, 2004, which is the end of
the period covered by this report. Based on this evaluation, the Companys Chief Executive Officer
and Chief Financial Officer have concluded that such controls and procedures are effective in
ensuring that information required to be disclosed by the Company in reports that it files or
submits under the Exchange Act, is recorded, processed, summarized and reported within the time
periods specified in the SECs rules and forms. Disclosure controls and procedures include,
without limitation, controls and procedures designed to ensure that information required to be
disclosed by the Company in the reports that it files or submits under the Exchange Act is
accumulated and communicated to the Companys management, including its Chief Executive Officer and
Chief Financial Officer, as appropriate to allow timely decisions regarding required disclosure.
Due to the inherent limitations in the effectiveness of any disclosure controls and procedures,
management cannot provide absolute assurance that the objectives of its disclosure controls and
procedures will be met. (b) Changes in internal control over financial reporting There has been no change in the Companys internal control over financial reporting during the
fourth quarter of 2004 that has materially affected, or is reasonably likely to materially affect,
the Companys internal control over financial reporting. 2




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PART IV 
 Item 15. Exhibits and Financial Statement Schedules (b) The following exhibits are filed as part of this Form 10-K/A. Exhibit No.
    
    Description(i)
    
    Exhibits filed herewith.31-17
    
    Chief Executive Officer Section 302 Form 10-K Certification of Periodic Report.31-18
    
    Chief Financial Officer Section 302 Form 10-K Certification of Periodic Report.(ii)
    
    Exhibits furnished herewith.32-17
    
    Chief Executive Officer Section 906 Form 10-K Certification of Periodic Report.32-18
    
    Chief Financial Officer Section 906 Form 10-K Certification of Periodic Report.
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Signatures Pursuant to the requirements of Section 13 or 15 (d) of the Securities Exchange Act of 1934,
the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto
duly authorized. THE DETROIT EDISON COMPANY(Registrant)Date:
June 24, 2005
    
    By
    
    /s/ Daniel G. BrudzynskiDaniel G. BrudzynskiChief Accounting Officer,Vice President and Controller
 Pursuant to the requirements of the Securities Exchange Act of 1934, this report has been
signed below by the following persons on behalf of the registrant and in the capacities
and on the date indicated. By
    
    /s/ Anthony F. Earley, Jr.
    
    By
    
    /s/ Daniel G. BrudzynskiAnthony F. Earley, Jr.
    
    
    
    Daniel G. BrudzynskiChairman of the Board,
    
    
    
    Chief Accounting Officer,President, Chief Executive and Chief
    
    
    
    Vice President and ControllerOperating OfficerBy
    
    
    
    By
    
    /s/ David E. MeadorSusan M. Beale
    
    
    
    David E. MeadorDirector, Vice President and
    
    
    
    Director, Executive Vice PresidentCorporate Secretary
    
    
    
    and Chief Financial Officer
 Date:
June 24, 2005




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Exhibit No.
    
    Description31-17
    
    Chief Executive Officer Section 302 Form 10-K Certification of Periodic Report.31-18
    
    Chief Financial Officer Section 302 Form 10-K Certification of Periodic Report.32-17
    
    Chief Executive Officer Section 906 Form 10-K Certification of Periodic Report.32-18
    
    Chief Financial Officer Section 906 Form 10-K Certification of Periodic Report.