1 EXHIBIT 12.RERC RELIANT ENERGY RESOURCES CORP. AND SUBSIDIARIES COMPUTATION OF RATIOS OF EARNINGS TO FIXED CHARGES (THOUSANDS OF DOLLARS) THREE MONTHS ENDED MARCH 31, 2001 -------------- Income from continuing operations........................................... $ 80,357 Income taxes for continuing operations...................................... 58,828 Capitalized interest........................................................ (302) -------------- 138,883 -------------- Fixed charges, as defined: Interest expense......................................................... 38,134 Capitalized interest..................................................... 302 Distribution on trust preferred securities............................... 7 Interest component of rentals charged to operating expense............... 2,747 -------------- Total fixed charges...................................................... 41,190 -------------- Earnings, as defined........................................................ $ 180,073 ============== Ratio of earnings to fixed charges.......................................... 4.37 ==============