Exhibit 24 Page 1 of 2 SOUTH JERSEY INDUSTRIES, INC. POWER OF ATTORNEY Each of the undersigned, in his capacity as an officer or director, or both, as the case may be, of South Jersey Industries, Inc., a New Jersey corporation, does hereby appoint William F. Ryan, Gerald S. Levitt, and G.L. Baulig, and each of them, severally, as his or her true and lawful attorneys or attorney to execute in his or her name, place and stead, in his or her capacity as a director or officer, or both, as the case may be, of said corporation, its Annual Report for the fiscal year ended December 31, 1996 on Form 10-K, pursuant to Section 13 of the Securities Exchange Act of 1934, and any and all amendments thereto and instruments necessary or incidental in connection therewith, and to file the same with the Securities and Exchange Commission; and does hereby provide that each of said attorneys shall have power to act hereunder with or without the other said attorneys, and shall have full power of substitution and resubstitution and that each of said attorneys shall have full power and authority to do and perform in the name and on behalf of the undersigned in any and all capacities every act whatsoever required to be done in the premises, as fully and to all intents and purposes as he or she might or could do in person, hereby ratifying and approving the acts of said attorneys and each of them. IN WITNESS WHEREOF, the undersigned have executed this instrument, this 25th day of March 1997. /s/ William F. Ryan William F. Ryan, President and Director /s/ Frank L. Bradley, Jr. Frank L. Bradley, Jr., Director /s/ Anthony G. Dickson Anthony G. Dickson, Director /s/ Richard L. Dunham Richard L. Dunham, Director Re: Power of Attorney -- 10-K Page 2 of 2 /s/ Thomas L. Glenn, Jr. Thomas L. Glenn, Jr., Director /s/ Vincent E. Hoyer Vincent E. Hoyer, Director /s/ Clarence D. McCormick Clarence D. McCormick, Director /s/ Peter M. Mitchell Peter M. Mitchell, Director /s/ Jackson Neall Jackson Neall, Director /s/ Frederick R. Raring Frederick R. Raring, Director /s/ Shirli M. Vioni Shirli M. Vioni, Director /s/ Gerald S. Levitt Gerald S. Levitt, Vice President /s/ George L. Baulig George L. Baulig, Secretary and Treasurer /s/ William J. Smethurst, Jr. William J. Smethurst, Jr., Assistant Secretary and Assistant Treasurer