Exhibit 12 SCANA CORPORATION COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES For the Twelve Months Ended March 31, 1994 (Thousands of Dollars) Twelve Months Ended March 31, 1994 Fixed Charges as defined: Interest on long-term debt.............. $ 98,925 Amortization of debt premium, discount and expense (net)...................... 2,105 Other interest expense.................. 6,809 Interest component of rentals........... 2,964 Total Fixed Charges (A)............. $110,803 Earnings, as defined: Income.................................. $179,186 Income taxes............................ 98,984 Total fixed charges above............... 110,803 Total Earnings (B).................. $388,973 Ratio of Earnings to fixed charges (B/A).. 3.51 18