Exhibit 21 The eight registrants, Entergy Corporation, System Energy Resources, Inc., Entergy Arkansas, Inc., Entergy Gulf States, Inc., Entergy London Investments plc, Entergy Louisiana, Inc., Entergy Mississippi, Inc., and Entergy New Orleans, Inc., and their active subsidiaries, are listed below: State or Other Jurisdiction of Incorporation Entergy Corporation Delaware System Energy Resources, Inc. (a) Arkansas Entergy Arkansas, Inc. (a) Arkansas Entergy Arkansas Capital I (b) Delaware The Arklahoma Corporation (b) Arkansas Entergy Gulf States, Inc. (a) Texas Entergy Gulf States Capital I (c) Delaware Varibus Corporation (c) Texas GSG&T, Inc. (c) Texas Southern Gulf Railway Company (c) Texas Prudential Oil & Gas, Inc. (c) Texas Entergy Louisiana, Inc. (a) Louisiana Entergy Louisiana Capital I (d) Delaware Entergy Mississippi, Inc. (a) Mississippi Entergy New Orleans, Inc. (a) Louisiana System Fuels, Inc. (e) Louisiana Entergy Services, Inc. (a) Delaware Entergy Power, Inc. (a) Delaware Entergy Operations, Inc. (a) Delaware Entergy Enterprises, Inc. (a) Louisiana Entergy S.A. (a) Argentina Entergy Power Development Corporation (a) Delaware Entergy Integrated Solutions, Inc. Delaware Entergy Pakistan, Ltd. Delaware Entergy Power Asia, Ltd. Cayman Islands Entergy International Holdings Ltd. LLC (a) Delaware Entergy International Ltd. LLC Delaware Entergy Global Power Operations Corporation (a) Delaware Entergy Power Operations U.S., Inc. Delaware Entergy Power Operations Corporation Delaware EP Edegel, Inc. Delaware Entergy Power CBA Holding Ltd. Bermuda EPG Cayman Holding I Cayman Islands EPG Cayman Holding II Cayman Islands Entergy Victoria LDC Cayman Islands Entergy Victoria Holding, LDC Cayman Islands CitiPower Trust Australia CitiPower Ltd. Australia Entergy Power Edesur Holding Ltd. (a) Bermuda Entergy Power Marketing Corp. (a) Delaware Entergy Power Holding II, Ltd. Cayman Islands Entergy Power Operations Holdings Ltd. Cayman Islands Entergy Power Operations Pakistan LDC Cayman Islands Entergy Nuclear, Inc. Delaware Entergy Power Cayman Investments, Ltd. Cayman Islands Entergy Power Peru S.A. Peru Entergy do Brasil LTDA Brazil Entergy Technology Holding Company (a) Delaware Entergy Power International Holdings Delaware Corporation (a) Entergy Power Generation Corporation (a) Delaware Entergy Power Saltend, Ltd. Cayman Islands Entergy Power Chile, Inc. Delaware Entergy London Limited England Entergy London Investments plc England London Electricity plc England _______________________ (a)Entergy Corporation owns all of the Common Stock of System Energy Resources, Inc., Entergy Arkansas Inc., Entergy Gulf States, Inc., Entergy Louisiana, Inc., Entergy Mississippi, Inc., Entergy New Orleans, Inc., Entergy Services, Inc., Entergy Power, Inc., Entergy Operations, Inc., Entergy Enterprises, Inc., Entergy S.A., Entergy Power Development Corporation, Entergy International Holdings Ltd. LLC, Entergy Power Edesur Holding Ltd., Entergy Power Marketing Corp., Entergy Power International Holdings Corporation, Entergy Power Generation Corporation, Entergy Global Power Operations Corporation and Entergy Technology Holding Company. (b)Entergy Arkansas, Inc. 100 % of the common stock of Entergy Arkansas Capital I and 34% of the Common Stock of The Arklahoma Corporation. (c)Entergy Gulf States, Inc. owns all of the Common Stock of Entergy Gulf States Capital I, Varibus Corporation, GSG&T, Inc., Southern Gulf Railway Company, and Prudential Oil & Gas, Inc. (d)Entergy Louisiana, Inc. owns all of the common stock of Entergy Louisiana Capital I. (e)The capital stock of System Fuels, Inc. is owned in proportions of 35%, 33%, 19% and 13% by Entergy Arkansas, Inc., Entergy Louisiana, Inc., Entergy Mississippi, Inc., and Entergy New Orleans, Inc., respectively.