Pacific Gas and Electric Company, Northern California Power Agency Williams Power Company Inc. Powerex Corporation Reliant Energy Power Generation, Inc. Duke Energy North America, Llc, Duke Energy Trading and Marketing, Llc, (Collectively, "Duke Energy") California Electricty Oversight Board Dynegy Power Marketing, Inc., El Segundo Power Llc, Long Beach Generation Llc, Cabrillo Power I Llc, and Cabrillo Power II LLC (Collectively, "Dynegy") M-S-R Public Power Agency the Modesto Irrigation District City of Santa Clara, California the Modesto Irrigation District City of Redding, California Avista Energy Inc. Puget Sound Energy, Inc., Intervenors v. Federal Energy Regulatory Commission, California Independent System Operator Corporation, Intervenor. California Independent System Operator Corporation, Duke Energy North America, Llc, Duke Energy Trading and Marketing, Llc, (Collectively, "Duke Energy"), Intervenor v. Federal Energy Regulatory Commission

464 F.3d 861 PACIFIC GAS AND ELECTRIC COMPANY, Petitioner, Northern California Power Agency; Williams Power Company Inc.; Powerex Corporation; Reliant Energy Power Generation, Inc.; Duke Energy North America, Llc, Duke Energy Trading and Marketing, Llc, (Collectively, "Duke Energy"); California Electricty Oversight Board; Dynegy Power Marketing, Inc., El Segundo Power Llc, Long Beach Generation Llc, Cabrillo Power I Llc, and Cabrillo Power II Llc (Collectively, "Dynegy"); M-S-R Public Power Agency; The Modesto Irrigation District; City of Santa Clara, California; The Modesto Irrigation District; City of Redding, California; Avista Energy Inc.; Puget Sound Energy, Inc., Intervenors, v. FEDERAL ENERGY REGULATORY COMMISSION, Respondent, California Independent System Operator Corporation, Intervenor. California Independent System Operator Corporation, Petitioner, Duke Energy North America, Llc, Duke Energy Trading and Marketing, Llc, (Collectively, "DUKE ENERGY"), Intervenor, v. Federal Energy Regulatory Commission, Respondent-Appellee. No. 04-70635. No. 04-71613. United States Court of Appeals, Ninth Circuit. Argued November 14, 2005. Submission Deferred November 16, 2005.…