Exhibit 12(a) ------------- SOUTH JERSEY GAS COMPANY Calculation of Ratio of Earnings To Fixed Charges (IN THOUSANDS) Fiscal Year Ended December 31, -------------------------------------------------------- 1997 1996 1995 1994 1993 -------------------------------------------------------- Net Income* $22,000 $19,389 $15,991 $11,200 $15,619 Federal Income Taxes, Net 11,559 10,627 9,278 5,881 7,832 Fixed Charges** 18,103 19,574 19,545 14,648 14,127 Capitalized Interest (107) (114) (98) (120) (191) -------------------------------------------------------- Total Available for Coverage $51,555 $49,476 $44,716 $31,609 $37,387 ======================================================== Total Available 2.9x 2.5x 2.3x 2.2x 2.7x - ------------------------------ Fixed Charges <FN> * Net Income before Dividends on Preferred Securities and a Cumulative Effect of a Change in Accounting Principle. ** Fixed charges consist of interest charges (rentals are not material). </FN> Exhibit 12(b) ------------ SOUTH JERSEY GAS COMPANY Calculation of Ratio of Earnings To Fixed Charges Plus Preferred Security Dividend Requirements (IN THOUSANDS) Fiscal Year Ended December 31, ------------------------------------------------------------ 1997 1996 1995 1994 1993 ------------------------------------------------------------ Net Income* $19,898 $19,215 $15,813 $11,017 $15,432 Federal Income Taxes, Net 11,559 10,627 9,278 5,881 7,832 Fixed Charges** 18,103 19,574 19,545 14,648 14,127 Preferred Securities - Dividends 2,102 174 178 183 187 ------------------------------------------------------------ Sub-Total 20,205 19,748 19,723 14,831 14,314 ------------------------------------------------------------ Capitalized Interest (107) (114) (98) (120) (191) ------------------------------------------------------------ Total Available for Coverage $51,555 $49,476 $44,716 $31,609 $37,387 ============================================================ Total Available 2.6x 2.5x 2.3x 2.1x 2.6x - ----------------------------------- Fixed Charges <FN> * Net Income before a Cumulative Effect of a Change in Accounting Principle (1993). ** Fixed charges consist of interest charges (rentals are not material). </FN>