EXHIBIT 23

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

June 26, 2009

To the Participants, Benefit Plan Administration Committee, and Investment Committee
MichCon Investment and Stock Ownership Plan
Detroit, Michigan

We consent to the incorporation, by reference in Registration Statement No. 333-157768 of DTE Energy Company on Form S-8, of our report dated June 26, 2009, with respect to the statements of net assets available for benefits of the MichCon Investment and Stock Ownership Plan as of December 31, 2008 and 2007, and the related statement of changes in net assets available for benefits for the year ended December 31, 2008, which report appears in the December 31, 2008 Annual Report on Form 11-K of the MichCon Investment and Stock Ownership Plan.

/s/ George Johnson & Company
CERTIFIED PUBLIC ACCOUNTANTS
Detroit, Michigan