EXHIBIT 12.1 THE AES CORPORATION AND SUBSIDIARIES STATEMENT RE: CALCULATIONS OF RATIO OF EARNINGS TO FIXED CHARGES (In millions, unaudited) Three Months Year Ended December 31, Ended --------------------------------------- March 31, 1994 1995 1996 1997 1998 1999 ----- ----- ----- ----- ----- ------------ Actual: COMPUTATION OF EARNINGS: Income from continuing operations before income taxes............... $ 151 $ 175 $ 207 $ 284 $ 546 $ (1) Adjustment for undistributed equity earnings, net of distributions......... (12) (5) (34) (78) (107) 109 Interest expense....................... 122 122 138 228 460 125 Depreciation of previously capitalized interest.......................... 4 4 4 4 6 2 Net amortization of issuance costs..... 4 5 6 16 25 8 ----- ----- ----- ----- ----- ----- Earnings $ 269 $ 301 $ 321 $ 454 $ 930 $ 243 ===== ===== ===== ===== ===== ===== COMPUTATION OF FIXED CHARGES: Interest expensed and capitalized amounts (including construction related fixed charges)............ $ 124 $ 132 $ 165 $ 295 $ 539 $ 143 Net amortization of issuance costs (including capitalized amounts)... 4 5 6 16 25 8 ----- ----- ----- ----- ----- ----- Fixed charges.......................... $ 128 $ 137 $ 171 $ 311 $ 564 $ 151 ===== ===== ===== ===== ===== ===== Ratio of earnings to fixed charges 2.10x 2.20x 1.88x 1.46x 1.65x 1.61x