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Daily Rules, Proposed Rules, and Notices of the Federal Government

DEPARTMENT OF ENERGY

Federal Energy Regulatory Commission

[ Docket No. EL09-62-000]

Calpine Corporation, Citigroup Energy Inc.,Dynegy Power Marketing, Inc., J.P. MorganVentures Energy Corporation, BE CA LLC,Mirant Energy Trading, LLC,NRG Energy, Inc., Powerex Corporation,and RRI Energy, Inc., Complainants v.California Independent System OperatorCorporation, Respondent.; Notice of Complaint

Take notice that on June 30, 2009, Calpine Corporation, Citigroup Energy Inc., Dynegy Power Marketing, Inc., J.P. Morgan Ventures Energy Corporation, BE CA, LLC, Mirant Energy Trading, LLC, NRG Energy, Inc., Powerex Corporation, and RRI Energy, Inc., (Complainants) filed a formal complaint against the California Independent System Operator Corporation (Respondent) pursuant to section 206 of the Federal Power Act, alleging that section 11.29.17.1 of Respondent's Market Redesign and Technology Upgrade Tariff is unjust and unreasonable and unduly discriminatory.

The Complainants certify that copies of the complaint were served on the contacts for Respondent as listed on the Commission's list of Corporate Officials.

Any person desiring to intervene or to protest this filing must file in accordance with Rules 211 and 214 of the Commission's Rules of Practice and Procedure (18 CFR 385.211, 385.214). Protests will be considered by the Commission in determining the appropriate action to be taken, but will not serve to make protestants parties to the proceeding. Any person wishing to become a party must file a notice of intervention or motion to intervene, as appropriate. The Respondent's answer and all interventions, or protests must be filed on or before the comment date. The Respondent's answer, motions to intervene, and protests must be served on the Complainants.

The Commission encourages electronic submission of protests and interventions in lieu of paper using the "eFiling" link athttp://www.ferc.gov.Persons unable to fileelectronically should submit an original and 14 copies of the protest or intervention to the Federal Energy Regulatory Commission, 888 First Street, NE., Washington, DC 20426.

This filing is accessible on-line athttp://www.ferc.gov,using the"eLibrary" link and is available for review in the Commission's Public Reference Room in Washington, DC. There is an "eSubscription" link on the Web site that enables subscribers to receive e-mail notification when a document is added to a subscribed docket(s). For assistance with any FERC Online service, please e-mailFERCOnlineSupport@ferc.gov,or call (866) 208-3676 (toll free). For TTY, call (202) 502-8659.

Comment Date:5 p.m. Eastern Time on July 20, 2009.

Kimberly D. Bose, Secretary.