. . . EXHIBIT 12.1 ORION POWER HOLDINGS, INC. AND SUBSIDIARIES RATIO OF EARNINGS TO FIXED CHARGES THREE MONTHS ENDED MARCH 31, ---------------------------- 2003 (1) 2004 (1) ------------ ------------ (IN THOUSANDS, EXCEPT RATIO AMOUNTS) Fixed charges: Interest expense ..................................... $ 36,440 $ 36,117 Capitalized interest ................................. - - Interest within rent expense ......................... 156 158 ------------ ------------ Total fixed charges ................................ $ 36,596 $ 36,275 ============ ============ Earnings: Loss before income taxes and cumulative effect of accounting changes ................................. $ (7,327) $ (10,451) ------------ ------------ Plus - Fixed charges from above ........................... 36,596 36,275 Amortization of capitalized interest ............... 285 285 Less - Capitalized interest ............................... - - ------------ ------------ $ 29,554 $ 26,109 ============ ============ Ratio of earnings to fixed charges ..................... - - ============ ============ - ---------------- (1) For the three months ended March 31, 2003 and 2004, Orion Power's earnings were insufficient to cover its fixed charges by $7 million and $10 million, respectively.