Exhibit 12 SCANA CORPORATION CALCULATIONS OF BOND RATIO FOR THE YEAR ENDED DECEMBER 31, 1993 (Thousands of Dollars) Net earnings(1) $316,061 Divide by annualized interest charges on: Bonds authenticated under the Company's First and Refunding Mortgage Bond Indenture $84,714 Other indebtedness (1) $ 821 Total annualized interest charges $ 85,535 Bond Ratio 3.70 (1) As defined under SCE&G's First and Refunding Mortgage Bond Indenture. 80 SCANA CORPORATION CALCULATIONS OF PREFERRED STOCK RATIO FOR THE YEAR ENDED DECEMBER 31, 1993 (Thousands of Dollars) Net Earnings (1) $231,190 Divide by annualized interest charges on: Bonds authenticated under SCE&G's mortgage bond indentures $84,714 Other indebtedness (1) $ 912 Preferred Dividend Requirements $ 6,156 Total annualized interest charges $ 91,782 Preferred stock ratio 2.52 (1) As defined under SCE&G's Restated Articles of Incorporation. 81 SCANA CORPORATION COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES For Each of the Five Years Ended December 31, 1993 (Thousands of Dollars) Years Ended December 31, 1993 1992 1991 1990 1989 Fixed Charges as defined: Interest on long-term debt.................. $ 96,916 $ 92,178 $ 87,854 $ 84,563 $ 86,178 Amortization of debt premium, discount and expense (net).............................. 1,779 874 835 681 711 Other interest expense...................... 8,672 8,819 7,649 10,552 7,533 Interest component of rentals............... 2,853 929 897 951 983 Total Fixed Charges (A)................. $110,220 $102,800 $ 97,235 $ 96,747 $ 95,405 Earnings, as defined: Income...................................... $174,198 $124,063 $142,557 $188,514 $129,888 Income taxes................................ 91,562 60,252 75,325 108,202 54,322 Total fixed charges above................... 110,220 102,800 97,235 96,747 95,405 Total Earnings (B)...................... $375,980 $287,115 $315,117 $393,463 $279,615 Ratio of Earnings to fixed charges (B/A)...... 3.41 2.79 3.24 4.07 2.93 82