SCHEDULE 14A

INFORMATION REQUIRED IN PROXY STATEMENT

SCHEDULE 14A INFORMATION

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      [   ]  Preliminary proxy statement

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      [X]  Definitive proxy statement

      [   ]  Definitive additional materials

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	Anthony F. Earley, Jr.
	Chairman and Chief Executive Officer

	DTE Energy Company
	2000 2nd Ave., Detroit, MI 48226-1279
	Tel: 313.235.1000

	[DTE ENERGY LOGO]

November 15, 1999

Dear Savings & Investment Plan Participant:

As a participant in The Detroit Energy Company’s Savings & Investment Plan, you own shares of DTE Energy common stock. You are entitled to direct Fidelity Management Trust Company to vote on your behalf at the special meeting of shareholders of DTE Energy Company. Please use the enclosed form to show how you would like Fidelity to vote.

Shareholders will be asked to consider approving the issuance of shares of common stock of DTE Energy Company pursuant to a merger agreement among DTE Energy, MCN Energy Group Inc. and DTE Enterprises, Inc., a wholly owned subsidiary of DTE and approving such other business as may properly come before the special meeting.

The proposal is described in the enclosed Notice of Special Meeting of Shareholders and proxy statement.

DTE Energy’s management believes that the proposed merger offers shareholders the opportunity to benefit from the growth opportunity expected to result from combining the two companies. For a more detailed discussion of the reasons for the merger, see the accompanying materials.

The board of directors of DTE Energy has unanimously approved the terms of the merger agreement and the merger and unanimously recommends you vote FOR the issuance of shares of DTE Energy common stock.

By completing the voting instruction form enclosed, you will be participating in an important decision making process. If you do not complete the form, your shares will not be voted.

Please take the time to review the material provided, complete the form and return it in the enclosed envelope.

Thank you for your continued support.

[ANTHONY F. EARLEY, JR. SIGNATURE]

The Trustee is directed to vote as specified below. If you return this form properly signed but do not otherwise specify, your shares will be voted FOR the proposals specified below. If you do not sign and return this form or vote by telephone or internet, the shares credited to your account will not be voted by the Trustee.

FORM TO BE SIGNED ON THE REVERSE SIDE

	Vote by Telephone
	Have your voting instruction form available when you call the Tool-Free number 1-800-250-0001 using a Touch-Tone phone. You will be prompted to enter your control number and then you can follow the simple prompts that will be presented to you to record your vote.
	Vote by Internet
	Have your voting instruction form available when you access the website http://www.votefast.com. You will be prompted to enter your control number and then you can follow the simple prompts that will be presented to you to record your vote.
	Vote by Mail
	Please mark, sign and date your voting instruction form and return it in the postage paid envelope provided or return it to: Corporate Election Services, P.O. Box 535600, Pittsburgh, Pennsylvania 15253.

Your Control Number is:

Form must be signed and dated below.

	Sign here as name appears to the left.