On February 13, 2013, Calpine Corporation (the "Company") issued a press release announcing its financial and operating results for the fourth quarter ended December 31, 2012. A copy of the press release is being furnished as Exhibit 99.1 hereto. As set forth in the press release, the Company will host a conference call to discuss its financial and operating results for the fourth quarter and full year 2012 on Wednesday, February 13, 2013, at 10 a.m. ET / 9
a.m. CT. A listen-only webcast of the call may be accessed through the Company's website at www.calpine.com, or by dialing 800-447-0521 in the United States or 847-413-3238 outside the United States. The confirmation code is 34044836.

An archived recording of the call will be made available on the Company's website and can be accessed by dialing 888-843-7419 in the United States or 630-652-3042 outside the United States and providing confirmation code 34044836. Presentation materials to accompany the conference call will be made available on the Company's website on February 13, 2013.

The information in this Form 8-K, including Exhibit 99.1, shall not be deemed "filed" for purposes of Section 18 of the Securities and Exchange Act of 1934, as amended (the "1934 Act"), nor shall it be deemed "incorporated by reference" into any filing under the Securities Act of 1933, as amended, or the 1934 Act, except as may be expressly set forth by specific reference in such filing.

(d) Exhibits

Exhibit No.   Description

   99.1       Calpine Corporation Press Release dated February 13, 2013.*


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