Exhibit 23.1 [LETTERHEAD OF COZEN AND O'CONNOR] June 30, 2000 South Jersey Gas Company One South Jersey Plaza Route 54 Folsom, New Jersey 08037 Ladies and Gentlemen: We hereby consent to the reference to our firm under the caption "Experts" in the Pricing Supplement dated June 30, 2000, relating to $10,000,000 aggregate principal amount of Secured Medium Term Notes, Series A 2000-1 due August 1, 2018, which forms a part of the Registration Statement on Form S-3 (File No. 333-62019) of South Jersey Gas Company (the "Company")and to the filing hereof with the Securities and Exchange Commission as an exhibit to the Company's Current Report on Form 8-K dated June 30, 2000. Very truly yours, /s/ Cozen and O'Connor