Document:

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                                                                EXHIBIT 10.1.8.2

                              AMENDMENT NO.1 TO THE
            SECOND AMENDMENT PLEDGE AGREEMENT (MEMBERSHIP INTERESTS)

                  THIS AMENDMENT NO.1, dated as of November 18, 2003 (this
"Amendment"), to the Second Amendment Pledge Agreement (Membership Interests),
dated as of July 16, 2003, (as the same may be amended, supplemented or
otherwise modified from time to time, the "Pledge Agreement"), made by Calpine
Corporation, a Delaware corporation (the "Company"), in favor of The Bank of New
York, as Collateral Trustee (together with any successor(s) thereto in such
capacity, the "Collateral Trustee") for the benefit of the Secured Parties.

                                   WITNESSETH:

                  WHEREAS, the Company may, from time to time, eliminate and
restructure its Subsidiaries in connection with ordinary course corporate
reorganization, provided that the assets held by any such subsidiaries are
transferred to the Company or otherwise remain a part of the Collateral, subject
to the terms and conditions of the Secured Debt Documents;

                  WHEREAS, the pledge of the equity interests of South Point
Energy Center LLC was released and the pledge of the equity interests of Calpine
Auburndale Holdings, LLC was created in connection with certain restructurings
by the Company; and

                  WHEREAS, the Company now wishes to amend the Pledge Agreement
in certain respects, as hereinafter provided.

                                    AGREEMENT

                  NOW THEREFORE, in consideration of the premises and the mutual
agreements set forth, the receipt and sufficiency of which are hereby
acknowledged, the parties hereto hereby agree as follows:

                  1. Definitions. Unless otherwise defined herein or the context
otherwise requires, terms used in this Amendment, including in its preamble and
recitals, have the respective meanings assigned to such terms in the Collateral
Trust Agreement dated as of July 16, 2003, among the Company, Quintana Minerals
(USA), Inc., JOQ Canada, Inc., Quintana Canada Holdings, LLC, The Bank of Nova
Scotia, as Agent under the Credit Agreement, Wilmington Trust Company, as
Trustee under the 2007 Indenture, the 2010 Indenture and the 2013 Indenture,
Goldman Sachs Credit Partners L.P., as Administrative Agent under the Term Loan
Agreement, and the Collateral Trustee.

                  2. Amendment to Attachment 1 to the Pledge Agreement.
Attachment 1 to the Pledge Agreement is hereby amended as follows:

                  (a)      deleting therefrom South Point Energy Center LLC as a
                  Pledged Interest Issuer; and

                  (b)      adding therein Calpine Auburndale Holdings, LLC as a
                  Pledged Interest Issuer.

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                  The fully amended and restated Attachment 1 is attached
hereto.

                  3. Representations and Warranties. The Company hereby
represents and warrants to the Collateral Trustee that (a) this Amendment has
been duly authorized, executed and delivered by the Company and constitutes its
valid and legally binding obligation, enforceable against it in accordance with
its terms, subject to bankruptcy, insolvency, fraudulent transfer,
reorganization, moratorium and similar laws of general applicability relating to
or affecting creditors' rights and to general equity principles; and (b) the
execution and delivery of this Amendment (i) does not require any consent,
approval, authorization or order of, or filing with, any governmental agency or
body or any court, except such as have been obtained or made and are in full
force and effect as of the date hereof and (ii) will not violate any applicable
law or regulation or the charter, by-laws or other organizational documents of
the Company or any order of any governmental agency or body, or breach or
conflict with any material agreement to which the Company is a party or by which
the Company is bound.

                  4. Effectiveness. This Amendment shall become effective upon
fulfillment of the following conditions precedent: (a) receipt by the Collateral
Trustee of the duly executed signature page of this Amendment signed on behalf
of the Company and (b) receipt by the Collateral Trustee of an Officer's
Certificate and an Opinion of Company Counsel, dated the date hereof, in
accordance with section 7.1 of the Collateral Trust Agreement. This Amendment
may be executed in counterparts and all of the said counterparts taken together
shall be deemed to constitute one and the same instrument. Delivery of an
executed signature page of this Amendment by facsimile transmission shall be
effective as delivery of a manually executed counterpart hereof.

                  5. Continuing Effect of the Pledge Agreement. Except as
expressly set forth herein, this Amendment shall not by implication or otherwise
limit, impair, constitute a waiver of, or otherwise affect the rights and
remedies of the Secured Parties, the Collateral Trustee or the Company under the
Pledge Agreement and shall not alter, modify, amend or in any way affect any of
the terms, conditions, obligations, covenants or agreements contained in the
Pledge Agreement, all of which are ratified and affirmed in all respects and
shall continue in full force and effect. Nothing herein shall be deemed to
entitle the Company to a consent to, or a waiver, amendment, modification or
other change of, any of the terms, conditions, obligations, covenants or
agreements contained in the Pledge Agreement in similar or different
circumstances. This Amendment shall apply and be effective only with respect to
the provisions of the Pledge Agreement specifically referred to herein. After
this Amendment becomes effective in accordance with Section 4 hereof, any
reference to the Pledge Agreement shall mean the Pledge Agreement as amended and
modified hereby.

                  6. Applicable Law. This Amendment and the right and
obligations of the parties hereunder shall be governed by, and shall be
construed and enforced in accordance with, the laws of the State of New York
without regard to conflict of laws principles thereof.

                  7. Headings. Headings herein are include herein for
convenience of reference only and shall not constitute a part hereof for any
other purpose or be given any substantive effect.

                                       -2-
<PAGE>

                  IN WITNESS WHEREOF, the parties hereto have caused this
Amendment to be duly executed and delivered by their respective officers
thereunto duly authorized as of the date first above written.

                                   CALPINE CORPORATION

                                   By:  ANN B. CURTIS
                                       -----------------------------------------
                                       Name:  Ann B. Curtis
                                       Title:  Executive Vice President

                                   THE BANK OF NEW YORK, NOT IN ITS
                                   INDIVIDUAL CAPACITY, BUT SOLELY AS COLLATERAL
                                   TRUSTEE

                                   By:  MICHAEL PITFICK
                                       -----------------------------------------
                                       Name:  Michael Pitfick
                                       Title:  Assistant Vice President

<PAGE>

                                                                    ATTACHMENT 1
                                                                              TO
                                                           AMENDMENT NO.1 TO THE
                                               SECOND AMENDMENT PLEDGE AGREEMENT
                                                           (MEMBERSHIP INTEREST)

                          PLEDGED MEMBERSHIP INTERESTS

<TABLE>
<CAPTION>
                                                             % OF
                                                          MEMBERSHIP
                                                           INTEREST
       PLEDGED INTEREST ISSUER:                             PLEDGED
---------------------------------------                   ----------
<S>                                                       <C>
Calpine Natural Gas Holdings, LLC                            100%

Calpine Marketing, LLC                                       100%

Anacapa Land Company LLC                                     100%

Calpine Pittsburgh, LLC                                      100%

CPN Blue Spruce Holdings, LLC                                100%

Calpine Calistoga Holdings, LLC                              100%

Chippokes Energy Center, LLC                                 100%

Palmetto Energy Center, LLC                                  100%

Blue Heron Energy Center, LLC                                100%

Calpine Sonoran Pipeline, LLC                                100%

Los Esteros Critical Energy Center, LLC                      100%

Calpine Natural Gas GP, LLC                                  100%

Calpine Auburndale Holdings, LLC                             100%
</TABLE><PAGE>

                                                               Exhibit 10.1.10.2

                               FIRST AMENDMENT TO
                           COLLATERAL TRUST AGREEMENT

                  THIS FIRST AMENDMENT TO THE COLLATERAL TRUST AGREEMENT (this
"Amendment") is made as of the 18th day of November, 2003, by and among Calpine
Corporation, a Delaware corporation (the "Company"), Quintana Minerals (USA),
Inc., a Delaware corporation ("Quintana Minerals"), JOQ Canada, Inc., a Delaware
corporation ("JOQ Canada"), Quintana Canada Holdings LLC, a Delaware limited
liability company ("Quintana Canada, and together with Quintana Minerals and JOQ
Canada, the "Canadian Guarantors"), The Bank of Nova Scotia, as Credit Agreement
Agent (together with its successors in such capacity, the "Credit Agreement
Agent"), Wilmington Trust Company, as Trustee under the 2007 Indenture (together
with its successors in such capacity, the "2007 Trustee"), Wilmington Trust
Company, as Trustee under the 2010 Indenture (together with its successors in
such capacity, the "2010 Trustee"), Wilmington Trust Company, as Trustee under
the 2013 Indenture (together with its successors in such capacity, the "2013
Trustee"), Goldman Sachs Credit Partners L.P., as Term Loan Administrative Agent
(together with its successors in such capacity, the "Term Loan Administrative
Agent"), and The Bank of New York, as Collateral Trustee (together with its
successors in such capacity, the "Collateral Trustee")

                                    RECITALS

                  WHEREAS, the Company, the Canadian Guarantors, the Credit
Agreement Agent, the 2007 Trustee, the 2010 Trustee, the 2013 Trustee, the Term
Loan Administrative Agent and the Collateral Trustee have entered into the
Collateral Trust Agreement, dated as of July 16, 2003 (as amended and as may be
further amended from time to time, the "Collateral Trust Agreement");

                  WHEREAS, the Company, the Canadian Guarantors and the
Collateral Trustee now wish to amend the Collateral Trust Agreement in certain
respects, as hereinafter provided.

                                    AGREEMENT

                  NOW THEREFORE, in consideration of the premises and the mutual
agreements set forth, the receipt and sufficiency of which are hereby
acknowledged, the parties hereto hereby agree as follows:

                  1. Definitions. Unless otherwise defined herein or the context
otherwise requires, terms used in this Amendment, including in its preamble and
recitals, shall have the respective meanings assigned to such terms in the
Collateral Trust Agreement.

                  2. Amendment to Section 1.1 (Defined Terms). Section 1.1 of
the Collateral Trust Agreement is hereby amended by deleting the word "and"
before the number "(7)" in the definition of "Pledged Power Project"; by
deleting the period at the end of the number "(7)" and by adding at the end of
such definition the clause "; and (8) from and after November 18, 2003, the
Fremont Energy Center in Fremont, Ohio."

                  3. Representations and Warranties. The Company and each
Guarantor hereby represents and warrants to the Collateral Trustee that (a) this
Amendment has been duly

<PAGE>

authorized, executed and delivered by the Company or Guarantor, as applicable,
and constitutes its valid and legally binding obligation, enforceable against it
in accordance with its terms, subject to bankruptcy, insolvency, fraudulent
transfer, reorganization, moratorium and similar laws of general applicability
relating to or affecting creditors' rights and to general equity principles, and
(b) the execution and delivery of this Amendment (i) does not require any
consent, approval, authorization or order of, or filing with, any governmental
agency or body or any court, except such as have been obtained or made and are
in full force and effect as of the date hereof and (ii) will not violate any
applicable law or regulation or the charter, by-laws or other organizational
documents of the Company or Guarantor, as applicable, or any order of any
governmental agency or body, or breach or conflict with any material agreement
to which the Company or Guarantor, as applicable, is a party or by which the
Company or Guarantor, as applicable, is bound.

                  4. Effectiveness. This Amendment shall become effective upon
fulfillment of the following conditions precedent: (a) each of the Company, the
Canadian Guarantors and the Collateral Trustee shall have delivered a duly
executed counterpart of this Amendment, and (b) the Collateral Trustee shall
have received an Officer's Certificate and an Opinion of Company Counsel, dated
the date hereof, in accordance with Section 7.1 of the Collateral Trust
Agreement.

                  5. Continuing Effect of the Collateral Trust Agreement. Except
as expressly set forth herein, this Amendment shall not by implication or
otherwise limit, impair, constitute a waiver of, or otherwise affect the rights
and remedies of the Collateral Trustee, the Company or the Canadian Guarantors
under the Collateral Trust Agreement and shall not alter, modify, amend or in
any way affect any of the terms, conditions, obligations, covenants or
agreements contained in the Collateral Trust Agreement, all of which are
ratified and affirmed in all respects and shall continue in full force and
effect. Nothing herein shall be deemed to entitle the Company or the Canadian
Guarantors to a consent to, or a waiver, amendment, modification or other change
of, any of the terms, conditions, obligations, covenants or agreements contained
in the Collateral Trust Agreement in similar or different circumstances. This
Amendment shall apply and be effective only with respect to the provisions of
the Collateral Trust Agreement specifically referred to herein. After this
Amendment becomes effective in accordance with Section 4 hereof, any reference
to the Collateral Trust Agreement shall mean the Collateral Trust Agreement as
amended and modified hereby.

                  6. Governing Law. This Amendment and the right and obligations
of the parties hereunder shall be governed by, and shall be construed and
enforced in accordance with, the laws of the State of New York without regard to
conflict of laws principles.

                  7. Counterparts. This Amendment may be executed in any number
of counterparts, each of which when so executed and delivered shall be deemed an
original, but all such counterparts together shall constitute but one and the
same instrument. The delivery of an executed signature of this Amendment by
facsimile transmission shall be effective as delivery of a manually executed
counterpart hereof.

                  8. Headings. Section headings herein are included herein for
convenience of reference only and shall not constitute a part hereof for any
other purpose or be given any substantive effect.

                                       -2-
<PAGE>

                  IN WITNESS WHEREOF, the parties hereto have caused this
Amendment to be duly executed and delivered by their respective officers
thereunto duly authorized as of the date first above written.

                                         COMPANY:

                                         CALPINE CORPORATION

                                         By:  ROBERT D. KELLY
                                            ------------------------------------
                                            Name: Robert D. Kelly
                                            Title: Executive Vice President and
                                                   Chief Financial Officer

CANADIAN GUARANTORS:

The undersigned Canadian Guarantors hereby consent and agree to the foregoing
Amendment and agree that their Guarantee as set forth in the Guarantee and
Collateral Agreement, dated as of July 16, 2003, by the Company and the Canadian
Guarantors in favor of the Collateral Trustee, remains in full force and effect:

QUINTANA MINERALS (USA), INC.

By:  ROBERT D. KELLY
   ------------------------------------
Name: Robert D. Kelly
Title:

JOQ CANADA, INC.

By:  ROBERT D. KELLY
   ------------------------------------
Name: Robert D. Kelly
Title:

QUINTANA CANADA HOLDINGS LLC

By:  ROBERT D. KELLY
   ------------------------------------
Name: Robert D. Kelly
Title:

<PAGE>

                                         COLLATERAL TRUSTEE:

                                         THE BANK OF NEW YORK,
                                         as Collateral Trustee

                                         By:  MICHAEL PITFICK
                                            ------------------------------------
                                            Name: Michael Pitfick
                                            Title: Assistant Vice President

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