1 EXHIBIT 12 RELIANT ENERGY RESOURCES CORP. AND SUBSIDIARIES COMPUTATION OF RATIOS OF EARNINGS TO FIXED CHARGES (THOUSANDS OF DOLLARS) THREE MONTHS ENDED TWELVE MONTHS MARCH 31, ENDED MARCH 31, --------------- --------------- 1999 1999 --------------- --------------- Income from Continuing Operations.......................................... $ 70,973 102,969 Income Taxes from Continuing Operations.................................... 52,474 107,250 Non-Utility Interest Capitalized........................................... -- -- --------------- --------------- Income from Continuing Operations Before Income Taxes...................... 123,447 210,219 =============== =============== Fixed Charges Interest..................................................... 29,270 113,908 Amortization of debt discount and expense.................................. 491 654 Portion of Rents Considered to Represent an Interest Factor................ 2,143 9,519 --------------- --------------- Total Fixed Charges........................................................ 31,904 124,081 =============== =============== Income from Continuing Operations Before Income Taxes and Fixed Charges.... $ 155,351 $ 334,300 Ratio of Earnings to Fixed Charges......................................... 4.87 2.69 =============== ===============