. . . EXHIBIT 12.1 CALPINE CORPORATION RATIO OF EARNINGS TO FIXED CHARGES YTD 2004 YEAR ENDED DECEMBER 31, 2000 2001 2002 2003 2004 ---------- ---------- ---------- ---------- ---------- COMPUTATION OF EARNINGS: (IN THOUSANDS) Pretax income (loss) before adjustment for minority interest in consolidated subsidiaries and income or loss from equity investees .......................... 486,841 799,707 23,722 46,131 (669,115) Fixed Charges ............................. 351,576 785,279 1,077,762 1,234,857 1,552,155 Amortization of capitalized interest ...... 447 1,382 10,693 19,539 27,121 Distributed income of equity investees .... 29,979 5,983 14,117 141,627 29,869 Interest capitalized ...................... (206,973) (498,723) (575,446) (444,584) (376,058) Distribution of HIGH TIDES ................ (45,076) (62,412) (62,632) (46,610) -- ---------- ---------- ---------- ---------- ---------- Total Earnings ............................ 616,794 1,031,216 488,216 950,960 563,972 COMPUTATION OF FIXED CHARGES: Interest expensed and capitalized ......... 285,346 689,694 978,123 1,150,890 1,516,860 Estimate of interest within rental expense 21,154 33,173 37,007 37,357 35,295 Distribution on HIGH TIDES ................ 45,076 62,412 62,632 46,610 -- ---------- ---------- ---------- ---------- ---------- Total fixed charges ....................... 351,576 785,279 1,077,762 1,234,857 1,552,155 RATIO OF EARNINGS TO FIXED CHARGES ........ 1.75x 1.31x -- -- -- (i) - --------------------------- (i) For the year ended December 31, 2004, the Company had an earnings- to-fixed-charges coverage deficiency of approximately $988.2 million, primarily as a result of (1) a pre-tax charge to earnings of $202.1 million for oil and gas asset, (2) increased interest costs due to recent debt financings to support our growth, and (3) a decrease in average spark spreads per megawatt-hour and higher fuel expense in 2004 as compared with the same period in 2003.