PRICING SUPPLEMENT NO. 91 DATED JULY 5, 2001             Filed Pursuant to
TO PROSPECTUS DATED NOVEMBER 9, 2000*,                   Rule 424(b)(5)
AS AMENDED BY PROSPECTUS SUPPLEMENTS                     File No. 333-47464
DATED DECEMBER 15, 2000, AND MAY 04, 2001

                             CMS ENERGY CORPORATION

      General Term Notes (servicemark of J.W. Korth and Company), Series F
                   Due 9 Months to 25 Years from date of issue

     Except as set forth herein, the Notes offered hereby have such terms as are
described in the  accompanying  Prospectus dated November 9, 2000, as amended by
the Additional Agent Prospectus Supplements dated December 15, 2000, and May 04,
2001.

Aggregate Principal Amount:            $5,744,000.00
Original Issue Date (Settlement Date): July 10, 2001
Stated Maturity Date:                  June 15, 2008
Issue Price to Public:                 100.00% of Principal Amount
Interest Rate:                         7.750% Per Annum
Interest Payment Dates:                August 15 and Monthly Thereafter
                                       Commencing August 15, 2001

Survivor's Option:                     [ X ] Yes              [  ] No
Optional Redemption:                   [ X ] Yes              [  ] No

Initial Redemption Date:               June 15, 2003
Redemption Price:                      Initially 101% of Principal Amount and
                                       100% after the first anniversary of the
                                       Initial Redemption Date.

                                       Principal Amount of Notes
        Agent                          Solicited by Each Agent

First of Michigan Corporation          $ 1,038,000.00
Prudential Securities Incorporated     $ 1,126,000.00
J.J.B. Hilliard, W.L. Lyons, Inc       $ 1,159,000.00
Raymond James and Associates, Inc      $   655,000.00
Comerica Securities, Inc               $   240,000.00
J.W. Korth and Company                 $ 1,526,000.00
        Total                          $ 5,744,000.00

                                       Per Note Sold by
                                       Agents To Public           Total

Issue Price:                           $     1,000.00         $ 5,744,000.00
Agent's Discount or Commission:        $         7.00         $    40,208.00
Maximum Dealer's Discount or
  Selling Concession:                  $        18.00         $   103,392.00
Proceeds to the Company:               $       975.00         $ 5,600,400.00

CUSIP Number:  12589SCV2

*Beginning  Page 1 of the enclosed  Prospectus  and  Prospectus  Supplement  for
agents other than J. W. Korth and Company.