UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of

the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): November 5, 2003

CALPINE CORPORATION

(A Delaware Corporation)

Commission File Number: 001-12079

I.R.S. Employer Identification No. 77-0212977

50 West San Fernando Street

San Jose, California 95113

Telephone: (408) 995-5115

TABLE OF CONTENTS

	ITEM 12. RESULTS OF OPERATIONS AND FINANCIAL CONDITION
SIGNATURES
EXHIBIT INDEX
EXHIBIT 99.1

ITEM 12. RESULTS OF OPERATIONS AND FINANCIAL CONDITION

On November 5, 2003, the Registrant issued the press release attached hereto as Exhibit 99.1 reporting the quarter and nine months ended September 30, 2003 financial results and providing an update on liquidity, refinancing transactions and earnings guidance for 2003.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

CALPINE CORPORATION

By: /s/ Charles B. Clark, Jr.

Charles B. Clark, Jr.
Senior Vice President and Controller
Chief Accounting Officer

Date: November 5, 2003

EXHIBIT INDEX

Exhibit	Description
99.1	Press release