Exhibit 24 March 10, 2000 TO: Nathan E. Langston Laurence M. Hamric Re: Power of Attorney; 1999 Form 10-K Entergy Corporation, referred to herein as the Company, will file with the Securities and Exchange Commission its Annual Report on Form 10-K for the year ended December 31, 1999 pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934. The Company and the undersigned persons, in their respective capacities as directors and/or officers of the Company, as specified in Attachment I, do each hereby make, constitute and appoint Nathan Langston and Laurence M. Hamric, and each of them, their true and lawful Attorneys (with full power of substitution) for each of the undersigned and in his or her name, place and stead to sign and cause to be filed with the Securities and Exchange Commission the aforementioned Annual Report on Form 10-K and any amendments thereto. Yours very truly, ENTERGY CORPORATION By:/s/ J. Wayne Leonard J. Wayne Leonard Chief Executive Officer and Director ________________________ /s/ George W. Davis W. Frank Blount, Jr. George W. Davis Director Director /s/ Norman C. Francis /s/ Robert v.d. Luft Norman C. Francis Robert v.d. Luft Director Chairman of the Board Director /s/ J. Wayne Leonard /s/ Kinnaird R. McKee J. Wayne Leonard Kinnaird R. McKee Chief Executive Officer Director Director ___________________ ___________________ Thomas F. McLarty, III Paul W. Murrill Director Director /s/ James R. Nichols /s/ Eugene H. Owen James R. Nichols Eugene H. Owen Director Director /s/ William A. Percy, II /s/ Dennis H. Reilley William A. Percy, II Dennis H. Reilley Director Director _____________________ /s/ Bismark A. Steinhagen Wm. Clifford Smith Bismark A. Steinhagen Director Director /s/ C. John Wilder C. John Wilder Executive Vice President and Chief Financial Officer ATTACHMENT I Entergy Corporation Chief Executive Officer and Director - J. Wayne Leonard (principal executive officer) Executive Vice President and Chief Financial Officer - C. John Wilder (principal financial officer) Directors - W. Frank Blount, George W. Davis, Norman C. Francis, J. Wayne Leonard, Robert v.d. Luft, Kinnaird R. McKee, Thomas F. McLarty, III, Paul W. Murrill, James R. Nichols, Eugene H. Owen, William A. Percy, II, Dennis H. Reilley, Wm. Clifford Smith, Bismark A. Steinhagen. March 10, 2000 TO: Nathan E. Langston Laurence M. Hamric Re: Power of Attorney; 1999 Form 10-K Entergy Arkansas, Inc., Entergy Gulf States, Inc., Entergy Louisiana, Inc., Entergy Mississippi, Inc., Entergy New Orleans, Inc., and System Energy Resources, Inc. (collectively referred to herein as the Companies) will each file with the Securities and Exchange Commission its Annual Report on Form 10-K for the year ended December 31, 1999 pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934. The Companies and the undersigned person, in their respective capacities as directors and/or officers of the Companies, as specified in Attachment I, do each hereby make, constitute and appoint Nathan Langston and Laurence M. Hamric, and each of them, their true and lawful Attorneys (with full power of substitution) for each of the undersigned and in his or her name, place and stead to sign and cause to be filed with the Securities and Exchange Commission the aforementioned Annual Report on Form 10-K and any amendments thereto. Yours very truly, ENTERGY ARKANSAS, INC. (hereinafter "EAI") ENTERGY GULF STATES, INC. (hereinafter "EGSI") ENTERGY LOUISIANA, INC. (hereinafter "ELI") ENTERGY MISSISSIPPI, INC. (hereinafter "EMI") ENTERGY NEW ORLEANS, INC. (hereinafter "ENOI") SYSTEM ENERGY RESOURCES, INC. (hereinafter "SERI") /s/ Thomas J. Wright /s/ Jerry D. Jackson THOMAS J. WRIGHT JERRY D. JACKSON Chairman, President, and Chief Chairman of Entergy Gulf States, Inc. Executive Officer of Entergy and Entergy Louisiana, Inc., President Arkansas, Inc. and Chief Executive Officer - Louisiana of Entergy Gulf States, Inc. and President and Chief Executive Officer of Entergy Louisiana, Inc. /s/ Joseph F. Domino /s/ Carolyn C. Shanks JOSEPH F. DOMINO CAROLYN C. SHANKS President and Chief Executive Officer Chairman, President, and Chief of Entergy Gulf States, Inc. - Texas Executive Officer of Entergy Mississippi, Inc. /s/ Daniel F. Packer /s/ Jerry W. Yelverton DANIEL F. PACKER JERRY W. YELVERTON Chairman, President, and Chief Chairman, President, and Chief Executive Officer of Entergy Executive Officer of System New Orleans, Inc. Energy Resources, Inc. /s/ Joseph F. Domino /s/ Carolyn C. Shanks Joseph F. Domino Carolyn C. Shanks Director, President and Director, Chairman of the Chief Executive Officer- Board, President and Texas of EGSI Chief Executive Officer of EMI /s/ Donald C. Hintz /s/ Thomas J. Wright Donald C. Hintz Thomas J. Wright Director of EAI, EGSI, Director, Chairman of the ELI, EMI, ENOI and SERI Board, President and Chief Executive Officer of EAI /s/ Jerry D. Jackson /s/ Jerry W. Yelverton Jerry D. Jackson Jerry W. Yelverton Director, Chairman of the Director, Chairman of the Board of EGSI & ELI Board, President and President and Chief Chief Executive Officer Executive Officer- of SERI Louisiana of EGSI and President and Chief Executive Officer of ELI /s/ Daniel F. Packer /s/ C. John Wilder Daniel F. Packer C. John Wilder Director, Chairman of the Director, Executive Vice Board, President and President and Chief Chief Executive Officer Financial Officer of EAI, of ENOI EGSI, ELI, EMI, ENOI and SERI ATTACHMENT I Entergy Arkansas, Inc. Chairman of the Board, President and Chief Executive Officer - Thomas J. Wright (principal executive officer); Executive Vice President and Chief Financial Officer - C. John Wilder (principal financial officer). Directors - Thomas J. Wright, Donald C. Hintz and C. John Wilder Entergy Gulf States, Inc. Chairman of the Board, President and Chief Executive Officer-Louisiana - Jerry D. Jackson (principal executive officer); President and Chief Executive Officer-Texas - Joseph F. Domino (principal executive officer), Executive Vice President and Chief Financial Officer - C. John Wilder (principal financial officer). Directors - Jerry D. Jackson, Joseph F. Domino, Donald C. Hintz and C. John Wilder Entergy Louisiana, Inc. Chairman of the Board, President and Chief Executive Officer - Jerry D. Jackson (principal executive officer); Executive Vice President and Chief Financial Officer - C. John Wilder (principal financial officer). Directors - Donald C. Hintz, Jerry D. Jackson and C. John Wilder Entergy Mississippi, Inc. Chairman of the Board, President and Chief Executive Officer - Carolyn C. Shanks (principal executive officer); Executive Vice President and Chief Financial Officer - C. John Wilder (principal financial officer). Directors - Donald C. Hintz, Carolyn C. Shanks and C. John Wilder Entergy New Orleans, Inc. Chairman of the Board, President and Chief Executive Officer - Daniel F. Packer (principal executive officer); Executive Vice President and Chief Financial Officer - C. John Wilder (principal financial officer). Directors - Donald C. Hintz, Daniel F. Packer and C. John Wilder System Energy Resources, Inc. Chairman of the Board, President and Chief Executive Officer - Jerry W. Yelverton (principal executive officer); Executive Vice President and Chief Financial Officer - C. John Wilder (principal financial officer). Directors - Donald C. Hintz, C. John Wilder and Jerry W. Yelverton