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                                                        Exhibit 10.27.9



                         CONSENT AND AMENDMENT

               CONSENT AND AMENDMENT, dated as of December 10, 1997
     (this "Consent and Amendment"), among NRG (MORRIS) COGEN, LLC
     (the "Borrower"), the banks party to the Credit Agreement (as
     defined below) (the "Banks"), and THE CHASE MANHATTAN BANK, in
     its capacity as Agent Bank (as defined below) under the Credit
     Agreement (as defined below).

                               RECITALS

               WHEREAS, the Borrower entered into that certain
     Construction and Term Loan Agreement, dated as of September 15,
     1997 (the "Credit Agreement"), with the Banks, The Chase
     Manhattan Bank, as agent for the Banks (in such capacity, the
     "Agent Bank"), and The Chase Manhattan Bank, as collateral
     agent for the Banks (in such capacity, the "Collateral Agent"),
     to obtain funds to finance the ownership, development,
     engineering, construction, start-up, testing, operation and
     maintenance of an approximately 117 MW gas fired cogeneration
     plant in Morris, Illinois (the "Project").  Capitalized terms
     used but not defined in this Consent and Amendment shall have
     the meanings given to such terms in the Credit Agreement;

               WHEREAS, the Borrower entered into that certain
     Operation and Maintenance Agreement, dated September 19, 1997
     (the "Operation and Maintenance Agreement"), with NRG Morris
     Operations Inc. (the "Operator") to provide for the operation
     and maintenance of the Project;

               WHEREAS, NRG Energy, Inc. ("NRG Energy") issued that
     certain Limited Guaranty, dated September 19, 1997 (the "O&M
     Guarantee"), in favor of the Borrower, pursuant to which NRG
     Energy guarantees, to a limited extent, payment by the Operator
     of liquidated damages under the Operation and Maintenance
     Agreement;

               WHEREAS, (i) the Borrower and the Operator would like
     to modify certain provisions of the Operation and Maintenance
     Agreement in accordance with the terms thereof and (ii) the
     Borrower would like to consent to the modification of certain
     provisions of the O&M Guarantee;

               WHEREAS, pursuant to the Credit Agreement, the
     Borrower must obtain the prior written consent of the Agent
     Bank to modify, or consent to the modification of, any
     provision of the Operation and Maintenance Agreement or the O&M
     Guarantee;

               WHEREAS, the Borrower is requesting that the Agent
     Bank consent to the proposed modifications of the Operation and
     Maintenance Agreement and the O&M Guarantee and the Agent Bank
     is willing to grant such consent;

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               WHEREAS, the Borrower has also requested that
     Schedule 5.7 to the Credit Agreement be amended as set forth
     herein and the Banks are willing to enter into such amendment;

               NOW, THEREFORE, in consideration of the foregoing and
     for other good and valuable consideration, the receipt and
     adequacy of which are hereby acknowledged, the Borrower, the
     Banks and the Agent Bank hereby agree as follows:

               1.  Acknowledgment and Consent.  The Agent Bank, in
     its capacity as such under the Credit Agreement, hereby (a)
     acknowledges that it has reviewed the form and substance of (i)
     the proposed First Amendment to Operation and Maintenance
     Agreement to be entered into between the Borrower and the
     Operator (the "O&M Amendment"), a copy of which is attached
     hereto as Exhibit A, and (ii) the proposed First Amendment to
     Limited Guaranty to be executed by the O&M Guarantor (the "O&M
     Guarantee Amendment"), a copy of which is attached hereto as
     Exhibit B, and (b) consents to (i) the execution by the
     Borrower of the O&M Amendment and the performance by the
     Borrower of the terms thereof in accordance with the Credit
     Agreement and (ii) the consent by the Borrower to the execution
     of the O&M Guarantee Amendment.

               2.  Amendment to Credit Agreement.  Section (C) of
     Schedule 5.7 to the Credit Agreement is hereby amended by
     deleting the phrase "at its own expense" from the first and
     second lines thereof.

               3.  Consent and Amendment Limited Precisely as
     Written; Ratification; References.  Each of the consents set
     forth in Section 1 hereof is limited precisely as written and
     shall not be deemed to be a consent to any modification of any
     other term of the Operation and Maintenance Agreement or the
     O&M Guarantee, or any of the documents referred to herein or
     therein or a consent to any modification of any other
     Transaction Document.  The amendment set forth in Section 2
     hereof is limited precisely as written and shall not be deemed
     to be a consent or waiver to, or modification of, any other
     term or condition in the Credit Agreement or any of the
     documents referred to herein or therein.  Except as expressly
     amended hereby, the Credit Agreement is ratified and confirmed
     in all respects.  On and after the date hereof, whenever the
     Credit Agreement is referred to in any of the Transaction
     Documents or in any of the other documents or papers to be
     executed and delivered in connection therewith or with the
     Credit Agreement, such term shall be deemed to mean the Credit
     Agreement as amended hereby.

               4.  Governing Law.  This Consent and Amendment shall
     be construed in accordance with and shall be governed by the
     Laws of the State of New York (without giving effect to the
     principles thereof relating to conflicts of law except Section
     5-1401 of the New York General Obligations Law).

                                   2

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               5.  Waiver of Jury Trial.  EACH OF THE BORROWER, THE
     BANKS AND THE AGENT BANK HEREBY IRREVOCABLY WAIVES ALL RIGHT OF
     TRIAL BY JURY IN ANY ACTION, PROCEEDING OR COUNTERCLAIM ARISING
     OUT OF OR IN CONNECTION WITH THIS CONSENT AND AMENDMENT OR ANY
     MATTER ARISING HEREUNDER.

               6.  Counterparts.  This Consent and Amendment may be
     executed in one or more counterparts and when signed by all
     parties listed below shall constitute a single binding
     agreement.


     [THE REMAINDER OF THIS PAGE IS INTENTIONALLY LEFT BLANK]

                                   3

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               IN WITNESS WHEREOF, the parties have caused this
     Consent and Amendment to be duly executed by their officers
     thereunto duly authorized as of the day and year first written
     above.


                                   NRG (MORRIS) COGEN, LLC


                                                                 By:  /s/ Craig
                                        Mataczynski
                                        Name:  Craig Mataczynski
                                        Title: President


                                   THE CHASE MANHATTAN BANK,
                                        as a Bank


                                   By:  /s/ Kevin P. O'Neill
                                        Name:  Kevin P. O'Neill
                                        Title: Vice President


                                   THE CHASE MANHATTAN BANK,
                                        as Agent Bank


                                   By:  /s/ Kevin P. O'Neill
                                        Name:  Kevin P. O'Neill
                                        Title: Vice President

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                                   THE BANK OF NEW YORK


                                   By:  /s/ John N. Watt
                                        Name:  John N. Watt
                                        Title: Vice President


                                   NATEXIS BANQUE


                                   By:  /s/ D.J.R. Osten
                                        Name:  D.J.R. Osten
                                        Title: First V.P.


                                   THE SUMITOMO TRUST AND BANKING
                                   COMPANY, LTD.


                                   By:  /s/ Suraj P. Bhatia
                                        Name:  Suraj P. Bhatia
                                        Title: Senior Vice President