Exhibit 12(a) SOUTH JERSEY GAS COMPANY Calculation of Ratio of Earnings from Continuing Operations To Fixed Charges (In Thousands) Fiscal Year Ended December 31, ---------------------------------------------------------------------------------------- 2001 2000 1999 1998 1997 ---------------------------------------------------------------------------------------- Net Income* $24,589 $24,929 $23,451 $17,972 $22,031 Income Taxes, Net 15,693 16,703 15,445 12,299 11,581 Fixed Charges** 20,347 21,181 20,949 19,235 18,103 Capitalized Interest (221) (24) (390) (167) (107) ---------------------------------------------------------------------------------------- Total Available for Coverage $60,408 $62,789 $59,455 $49,339 $51,608 ======================================================================================== Total Available 3.0x 3.0x 2.8x 2.6x 2.9x - ------------------------- Fixed Charges <FN> * Net Income before Dividends on Preferred Securities and Discontinued Operations. ** Fixed charges consist of interest charges (rentals are not material). </FN>