Exhibit 12 SOUTH JERSEY GAS COMPANY Calculation of Ratio of Earnings from Continuing Operations to Fixed Charges (IN THOUSANDS) Fiscal Year Ended December 31, ------------------------------------------------------------------ 12 Months Ended March 31, 2005 2004 2003 2002 2001 2000 -------------- ------------------------------------------------------------------ Net Income* $33,320 $31,462 $26,608 $23,222 $21,527 $21,855 Income Taxes, Net 24,411 22,969 19,619 17,372 15,693 16,703 Fixed Charges** 18,890 18,639 19,868 20,972 23,409 24,255 Capitalized Interest (864) (733) (564) (359) (221) (24) ------------- ----------------------------------------------------------------- Total Available for Coverage $75,757 $72,337 $65,531 $61,207 $60,408 $62,789 ============== ================================================================= Total Available 4.0x 3.9x 3.3x 2.9x 2.6x 2.6x - --------------------- Fixed Charges <FN> * Net Income before Discontinued Operations ** Fixed charges consist of interest charges and preferred dividend requirement amounting to $135,000 for the 12 months ended March 31, 2005, and fiscal years ended 2004, 2003 and 2002; $139,000 in 2001 and $151,000 in 2000 (rentals are not material). </FN>