SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, DC 20549

SCHEDULE 13D
(Rule 13d-101)

INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT
TO RULE 13d-1(a) AND AMENDMENTS THERETO FILED PURSUANT TO
RULE 13d-2(a)

(Amendment No. 10)

Calpine Corporation*

(Name of Issuer)

Common Stock, $.001 par value

(Title of Class of Securities)

131347304

(CUSIP Number)

Philip Falcone
450 Park Avenue
30th Floor
New York, New York 10022

(Name, Address and Telephone Number of Person
Authorized to Receive Notices and Communications)

December 8, 2009

(Date of Event which Requires Filing of This Statement)

* IMPORTANT NOTE: THE SECURITIES SET FORTH IN THIS REPORT ARE DIRECTLY BENEFICIALLY OWNED BY HARBINGER CAPITAL PARTNERS MASTER FUND I, LTD. AND/OR HARBINGER CAPITAL PARTNERS SPECIAL SITUATIONS FUND, L.P. (COLLECTIVELY, THE "FUNDS"). ALL OTHER REPORTING PERSONS ARE INCLUDED WITHIN THIS REPORT DUE TO THEIR AFFILIATION WITH ONE OR BOTH OF THE FUNDS.

If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of Rule 13d-1(e), 13d-1(f) or 13d-1(g), check the following box
[_].

Note: Schedules filed in paper format shall include a signed original and five copies of the schedule, including all exhibits. See Rule 13d-7 for other parties to whom copies are to be sent.



The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter disclosures provided in a prior cover page.

The information required on the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).


CUSIP No. 131347304
 ---------------------

1. NAME OF REPORTING PERSONS
 I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

 Harbinger Capital Partners Master Fund I, Ltd.

2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

 (a) [_]
 (b) [X]

3. SEC USE ONLY


4. SOURCE OF FUNDS*

 WC

5. CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
 PURSUANT TO ITEMS 2(d) OR 2(e) [_]

6. CITIZENSHIP OR PLACE OF ORGANIZATION

 Cayman Islands

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON

7. SOLE VOTING POWER

 0

8. SHARED VOTING POWER

 32,810,270

9. SOLE DISPOSITIVE POWER

 0

10. SHARED DISPOSITIVE POWER

 32,810,270

11. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

 32,810,270

12. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES* [_]

13. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

 7.4%

14. TYPE OF REPORTING PERSON*

 CO


CUSIP No. 131347304
 ---------------------

1. NAME OF REPORTING PERSONS
 I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

 Harbinger Capital Partners LLC

2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
 (a) [_]
 (b) [X]

3. SEC USE ONLY


4. SOURCE OF FUNDS*

 AF

5. CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED

 PURSUANT TO ITEMS 2(d) OR 2(e) [_]

6. CITIZENSHIP OR PLACE OF ORGANIZATION

 Delaware

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON

7. SOLE VOTING POWER

 0

8. SHARED VOTING POWER

 32,810,270

9. SOLE DISPOSITIVE POWER

 0

10. SHARED DISPOSITIVE POWER

 32,810,270

11. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

 32,810,270

12. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES* [_]

13. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

 7.4%

14. TYPE OF REPORTING PERSON*

 OO


CUSIP No. 131347304
 ---------------------

1. NAME OF REPORTING PERSONS
 I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

 Harbinger Capital Partners Special Situations Fund, L.P.

2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
 (a) [_]
 (b) [X]

3. SEC USE ONLY


4. SOURCE OF FUNDS*

 WC

5. CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
 PURSUANT TO ITEMS 2(d) OR 2(e) [_]

6. CITIZENSHIP OR PLACE OF ORGANIZATION

 Delaware

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON

7. SOLE VOTING POWER

 0

8. SHARED VOTING POWER

 14,699,663

9. SOLE DISPOSITIVE POWER

 0

10. SHARED DISPOSITIVE POWER

 14,699,663

11. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

 14,699,663

12. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES* [_]


13. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

 3.3%

14. TYPE OF REPORTING PERSON*

 PN


CUSIP No. 131347304
 ---------------------

1. NAME OF REPORTING PERSONS
 I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

 Harbinger Capital Partners Special Situations GP, LLC

2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
 (a) [_]
 (b) [X]

3. SEC USE ONLY


4. SOURCE OF FUNDS*

 AF

5. CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
 PURSUANT TO ITEMS 2(d) OR 2(e) [_]

6. CITIZENSHIP OR PLACE OF ORGANIZATION

 Delaware

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON

7. SOLE VOTING POWER

 0

8. SHARED VOTING POWER

 14,699,663

9. SOLE DISPOSITIVE POWER

 0

10. SHARED DISPOSITIVE POWER

 14,699,663

11. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

 14,699,663

12. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES* [_]

13. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

 3.3%

14. TYPE OF REPORTING PERSON*

 OO


CUSIP No. 131347304
 ---------------------

1. NAME OF REPORTING PERSONS
 I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

 Harbinger Holdings, LLC

2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
 (a) [_]
 (b) [X]

3. SEC USE ONLY


4. SOURCE OF FUNDS*

 AF

5. CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
 PURSUANT TO ITEMS 2(d) OR 2(e) [_]

6. CITIZENSHIP OR PLACE OF ORGANIZATION

 Delaware

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON

7. SOLE VOTING POWER

 0

8. SHARED VOTING POWER

 47,509,933

9. SOLE DISPOSITIVE POWER

 0

10. SHARED DISPOSITIVE POWER

 47,509,933

11. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

 47,509,933

12. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES* [_]

13. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

 10.7%

14. TYPE OF REPORTING PERSON*

 OO


CUSIP No. 131347304
 ---------------------

1. NAME OF REPORTING PERSONS
 I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

 Philip Falcone

2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
 (a) [_]
 (b) [X]

3. SEC USE ONLY


4. SOURCE OF FUNDS*
 AF

5. CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
 PURSUANT TO ITEMS 2(d) OR 2(e) [_]

6. CITIZENSHIP OR PLACE OF ORGANIZATION

 U.S.A.

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON

7. SOLE VOTING POWER

 0

8. SHARED VOTING POWER

 47,509,933

9. SOLE DISPOSITIVE POWER

 0

10. SHARED DISPOSITIVE POWER

 47,509,933

11. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

 47,509,933

12. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES* [_]


13. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

 10.7%

14. TYPE OF REPORTING PERSON*

 IN


CUSIP No. 131347304
 ---------------------

Item 1. Security and Issuer.

NO MATERIAL CHANGE FROM THE SCHEDULE 13D/A FILED ON October 16, 2009.
--------------------------------------------------------------------------------

Item 2. Identity and Background.

NO MATERIAL CHANGE FROM THE SCHEDULE 13D/A FILED ON October 16, 2009.
--------------------------------------------------------------------------------

Item 3. Source and Amount of Funds or Other Consideration.

As of the date hereof the Master Fund may be deemed to beneficially own
32,810,270 Shares.

As of the date hereof Harbinger LLC may be deemed to beneficially own
32,810,270 Shares.

As of the date hereof the Special Fund may be deemed to beneficially own
14,699,663 Shares.

As of the date hereof HCPSS may be deemed to beneficially own 14,699,663 Shares.

As of the date hereof Harbinger Holdings may be deemed to beneficially own
47,509,933 Shares.

As of the date hereof Philip Falcone may be deemed to beneficially own
47,509,933 Shares.

No borrowed funds were used to purchase the Shares, other than any borrowed
funds used for working capital purposes in the ordinary course of business.
--------------------------------------------------------------------------------

Item 4. Purpose of Transaction.

ITEM 4 TO THE SCHEDULE 13D/A FILED BY THE REPORTING PERSONS ON October 16, 2009
IS AMENDED BY ADDING THE FOLLOWING TO THE END THEREOF:

On December 8, 2009 and December 9, 2009, Kelson Investments, S.ar.l., an
indirect wholly owned subsidiary of the Master Fund and Special Fund ("Kelson
Sarl"), sold 8.4 million and 882,248 Shares, respectively. The proceeds of
these sales will be used to pay off a loan (the "Loan") made to Kelson Canada,
Inc., an affiliate of Kelson Sarl and wholly owned subsidiary of the Master Fund
and Special Fund ("Kelson Canada"). These Shares were pledged as collateral for
the Loan.
--------------------------------------------------------------------------------

Item 5. Interest in Securities of the Issuer.

(a, b) As of the date hereof, the Master Fund may be deemed to be the beneficial
owner of 32,810,270 Shares, constituting 7.4% of the Shares of the Issuer,
based upon 442,374,038 Shares outstanding as of the date of this filing.


The Master Fund has the sole power to vote or direct the vote of 0 Shares; has the shared power to vote or direct the vote of 32,810,270 Shares; has sole power to dispose or direct the disposition of 0 Shares; and has shared power to dispose or direct the disposition of 32,810,270 Shares.

(a, b) As of the date hereof, Harbinger LLC may be deemed to be the beneficial owner of 32,810,270 Shares, constituting 7.4% of the Shares of the Issuer, based upon 442,374,038 Shares outstanding as of the date of this filing.

Harbinger LLC has the sole power to vote or direct the vote of 0 Shares; has the shared power to vote or direct the vote of 32,810,270 Shares; has sole power to dispose or direct the disposition of 0 Shares; and has shared power to dispose or direct the disposition of 32,810,270 Shares.

(a, b) As of the date hereof, the Special Fund may be deemed to be the beneficial owner of 14,699,663 Shares, constituting 3.3% of the Shares of the Issuer, based upon 442,374,038 Shares outstanding as of the date of this filing.

The Special Fund has the sole power to vote or direct the vote of 0 Shares; has the shared power to vote or direct the vote of 14,699,663 Shares; has sole power to dispose or direct the disposition of 0 Shares; and has shared power to dispose or direct the disposition of 14,699,663 Shares.

(a, b) As of the date hereof, HCPSS may be deemed to be the beneficial owner of 14,699,663 Shares, constituting 3.3% of the Shares of the Issuer, based upon 442,374,038 Shares outstanding as of the date of this filing.

HCPSS has the sole power to vote or direct the vote of 0 Shares; has the shared power to vote or direct the vote of 14,699,663 Shares; has sole power to dispose or direct the disposition of 0 Shares; and has shared power to dispose or direct the disposition of 14,699,663 Shares.

(a, b) As of the date hereof, Harbinger Holdings may be deemed to be the beneficial owner of 47,509,933 Shares, constituting 10.7% of the Shares of the Issuer, based upon 442,374,038 Shares outstanding as of the date of this filing.

Harbinger Holdings has the sole power to vote or direct the vote of 0 Shares; has the shared power to vote or direct the vote of 47,509,933 Shares; has sole power to dispose or direct the disposition of 0 Shares; and has shared power to dispose or direct the disposition of 47,509,933 Shares.

(a, b) As of the date hereof, Philip Falcone may be deemed to be the beneficial owner of 47,509,933 Shares, constituting 10.7% of the Shares of the Issuer, based upon 442,374,038 Shares outstanding as of the date of this filing.

Mr. Falcone has the sole power to vote or direct the vote of 0 Shares; has the shared power to vote or direct the vote of 47,509,933 Shares; has sole power to dispose or direct the disposition of 0 Shares; and has shared power to dispose or direct the disposition of 47,509,933 Shares.



(c) The trading dates, number of Shares purchased and sold and price per share for all transactions and distributions in the Shares by the Reporting Persons in the past sixty days are set forth in Exhibit B.

Item 6. Contracts, Arrangements, Understandings or Relationships with Respect to Securities of the Issuer.

NO MATERIAL CHANGE FROM THE SCHEDULE 13D/A FILED ON October 16, 2009.

Item 7. Material to be Filed as Exhibits.

THE FOLLOWING MATERIALS ARE FILED AS EXHIBITS TO THIS SCHEDULE 13D/A:
Exhibit A: Agreement between the Reporting Persons to file jointly Exhibit B: Schedule of Transactions in the Shares of the Issuer


SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Harbinger Capital Partners Master Fund I, Ltd. By: Harbinger Capital Partners LLC
By: Harbinger Holdings, LLC, Managing Member

By: /s/ Philip Falcone
-----------------------------------

Harbinger Capital Partners LLC
By: Harbinger Holdings, LLC, Managing Member

By: /s/ Philip Falcone
-----------------------------------

Harbinger Capital Partners Special Situations Fund, L.P.
By: Harbinger Capital Partners Special Situations GP, LLC
By: Harbinger Holdings, LLC, Managing Member

By: /s/ Philip Falcone
-----------------------------------

Harbinger Capital Partners Special Situations GP, LLC
By: Harbinger Holdings, LLC, Managing Member

By: /s/ Philip Falcone
-----------------------------------

Harbinger Holdings, LLC

By: /s/ Philip Falcone
-----------------------------------

/s/ Philip Falcone
-----------------------------------
Philip Falcone



December 10, 2009

Attention. Intentional misstatements or omissions of fact constitute federal criminal violations (see 18 U.S.C. 1001).


Exhibit A

AGREEMENT

The undersigned agree that this Schedule 13D, Amendment No. 10, dated December 10, 2009 relating to the Common Stock, $.001 par value of Calpine Corporation shall be filed on behalf of the undersigned.

Harbinger Capital Partners Master Fund I, Ltd. By: Harbinger Capital Partners LLC
By: Harbinger Holdings, LLC, Managing Member

By: /s/ Philip Falcone
-----------------------------------

Harbinger Capital Partners LLC
By: Harbinger Holdings, LLC, Managing Member

By: /s/ Philip Falcone
-----------------------------------

Harbinger Capital Partners Special Situations Fund, L.P.
By: Harbinger Capital Partners Special Situations GP, LLC
By: Harbinger Holdings, LLC, Managing Member

By: /s/ Philip Falcone
-----------------------------------

Harbinger Capital Partners Special Situations GP, LLC
By: Harbinger Holdings, LLC, Managing Member

By: /s/ Philip Falcone
-----------------------------------

Harbinger Holdings, LLC

By: /s/ Philip Falcone
-----------------------------------

/s/ Philip Falcone
-----------------------------------
Philip Falcone



December 10, 2009


Exhibit B

Transactions in the Common Stock, $.001 par value

TRANSACTIONS BY HARBINGER CAPITAL PARTNERS MASTER FUND I, LTD.

 Date of Number of Shares Price per Share
 Transaction Purchase/(Sold)

12/2/2009 (336,000) $11.24
12/3/2009 (65,269) $11.19
12/4/2009 (160,352) $11.02
12/7/2009 (85,600) $11.03
12/8/2009 (5,600,000) $11.00
12/9/2009 (589,645) $11.30
12/9/2009 (136,000) $11.35

TRANSACTIONS BY HARBINGER CAPITAL PARTNERS SPECIAL SITUATIONS FUND, L.P.

 Date of Number of Shares Price per Share
Transaction Purchase/(Sold)

12/8/2009 (2,800,000) $11.00
12/9/2009 (292,603) $11.30
12/9/2009 (64,000) $11.35

SK 26666 0002 1054762

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