Exhibit 31

                      CERTIFICATION OF LAURA L. MOUNTCASTLE

I, Laura L. Mountcastle, certify that:

      1.    I have reviewed this quarterly report on Form 10-Q of Consumers
            Funding LLC;

      2.    To the best of my knowledge, this quarterly report does not contain
            any untrue statement of a material fact or omit to state a material
            fact necessary to make the statements made, in light of the
            circumstances under which such statements were made, not misleading
            with respect to the period covered by this quarterly report;

      3.    To the best of my knowledge, the financial statements included in
            this quarterly report provide the financial information required to
            be provided to the trustee under the governing documents of
            Consumers Funding LLC; and

      4.    Consumers Energy, as Servicer under the Securitization bonds, has
            complied with its servicing obligations and minimum servicing
            standards.

       Date: November 5, 2004            By /s/ Laura L. Mountcastle
                                            ------------------------
                                            Laura L. Mountcastle
                                            President, Chief Executive Officer,
                                            Chief Financial Officer and
                                            Treasurer