Exhibit 24 DATE: March 2, 1998 TO: Louis E. Buck, Jr. Laurence M. Hamric FROM: Edwin Lupberger, et. al. SUBJECT: Power of Attorney; 1997 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, 1997 pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934. The Company and the undersigned, in their respective capacities as directors and/or officers of said Company as specified in Attachment I, do each hereby make, constitute and appoint Louis E. Buck, Jr. 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/ Edwin Lupberger Edwin Lupberger Chairman of the Board, President Chief Executive Officer and Principal Financial Officer /s/ W. Frank Blount /s/ John A. Cooper, Jr. W. Frank Blount John A. Cooper, Jr. /s/ Lucie J. Fjeldstad /s/ Norman C. Francis Lucie J. Fjeldstad Norman C. Francis /s/ Robert v.d. Luft /s/ Edwin Lupberger Robert v.d. Luft Edwin Lupberger /s/ Kinnaird R. McKee /s/ Paul W. Murrill Kinnaird R. McKee Paul W. Murrill /s/ James R. Nichols /s/ Eugene H. Owen James R. Nichols Eugene H. Owen /s/ John N. Palmer, Sr. /s/ Robert D. Pugh John N. Palmer, Sr. Robert D. Pugh /s/ Bismark A. Steinhagen /s/ Wm. Clifford Smith Bismark A. Steinhagen Wm. Clifford Smith Entergy Corporation Chairman of the Board, Chief Executive Officer, Principal Financial Officer and Director (principal executive officer and principal financial officer) - Edwin Lupberger Directors - W. Frank Blount, John A. Cooper, Jr., Lucie J. Fjeldstad, Norman C. Francis, Robert v.d. Luft, Kinnaird R. McKee, Edwin Lupberger, Paul W. Murrill, James R. Nichols, Eugene H. Owen, John N. Palmer, Sr., Robert D. Pugh, Wm. Clifford Smith, Bismark A. Steinhagen. DATE: March 2, 1998 TO: Louis E. Buck, Jr. Laurence M. Hamric FROM: Edwin Lupberger, et. al. SUBJECT: Power of Attorney; 1997 Form 10-K Entergy Arkansas, Inc., Entergy Gulf States, Inc., Entergy Louisiana, Inc., Entergy Mississippi, Inc., Entergy New Orleans, Inc., System Energy Resources, Inc., and Entergy London Investments plc (collectively referred to herein as the Companies) will file with the Securities and Exchange Commission their respective Annual Reports on Form 10-K for the year ended December 31, 1997 pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934. The Companies and the undersigned, in their respective capacities as directors and/or officers of said Companies as specified in Attachment I, do each hereby make, constitute and appoint Louis E. Buck 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. Entergy Gulf States, Inc. Entergy Louisiana, Inc. Entergy Mississippi, Inc. Entergy New Orleans, Inc. System Energy Resources, Inc. Entergy London Investments plc By: /s/ Edwin Lupberger Edwin Lupberger Chairman of the Board Chief Executive Officer and Principal Financial Officer /s/ Michael B. Bemis Michael B. Bemis /s/ John J. Cordaro /s/ Karen R. Johnson John J. Cordaro Karen R. Johnson /s/ Frank F. Gallaher /s/ Donald C. Hintz Frank F. Gallaher Donald C. Hintz /s/ Jerry D. Jackson /s/ R. Drake Keith Jerry D. Jackson R. Drake Keith /s/ Edwin Lupberger /s/ Jerry L. Maulden Edwin Lupberger Jerry L. Maulden /s/ Donald E. Meiners /s/ Daniel F. Packer Donald E. Meiners Daniel F. Packer Entergy Arkansas, Inc. Chairman of the Board, Chief Executive Officer, Principal Financial Officer and Director (principal executive officer and principal financial officer) - Edwin Lupberger Directors -Frank F. Gallaher, Donald C. Hintz, Jerry D. Jackson, R. Drake Keith, Edwin Lupberger, Jerry L. Maulden. Entergy Gulf States, Inc. Chairman of the Board, Chief Executive Officer, Principal Financial Officer and Director (principal executive officer and principal financial officer) - Edwin Lupberger Directors - John J. Cordaro, Frank F. Gallaher, Donald C. Hintz, Jerry D. Jackson, Karen R. Johnson, Edwin Lupberger, Jerry L. Maulden. Entergy Louisiana, Inc. Chairman of the Board, Chief Executive Officer, Principal Financial Officer and Director (principal executive officer and principal financial officer) - Edwin Lupberger Directors - Frank F. Gallaher, John J. Cordaro, Donald C. Hintz, Jerry D. Jackson, Edwin Lupberger, Jerry L. Maulden. Entergy Mississippi, Inc. Chairman of the Board, Chief Executive Officer, Principal Financial Officer and Director (principal executive officer and principal financial officer) - Edwin Lupberger Directors -Frank F. Gallaher, Donald C. Hintz, Jerry D. Jackson, Edwin Lupberger, Jerry L. Maulden, Donald E. Meiners. Entergy New Orleans, Inc. Chairman of the Board, Chief Executive Officer, Principal Financial Officer and Director (principal executive officer and principal financial officer) - Edwin Lupberger Directors - Jerry D. Jackson, Edwin Lupberger, Jerry L. Maulden, Daniel F. Packer. System Energy Resources, Inc. President, Chief Executive Officer, Principal Financial Officer and Director (principal executive officer) - Donald C. Hintz Chairman of the Board and Principal Financial Officer (principal financial officer) - Edwin Lupberger Directors - Donald C. Hintz, Edwin Lupberger, Jerry L. Maulden. Entergy London Investments plc Chairman of the Board, Chief Executive Officer, Principal Financial Officer and Director (principal executive officer and principal financial officer) - Edwin Lupberger Directors - Michael B. Bemis, Edwin Lupberger