. . . EXHIBIT 12-26 THE DETROIT EDISON COMPANY COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES Nine Months Ended September 30 Twelve Months Ended December 31 ------------ ----------------------------------------------- (Millions of Dollars) 2006 2005 2004 2003 2002 2001 ----------- ------- ------- ------- ------- ------- EARNINGS: Pretax earnings..................................... $ 382 $ 426 $ 214 $ 397 $ 534 $ 320 Fixed charges ...................................... 221 280 294 294 322 314 ----------- ------- ------- ------- ------- ------- NET EARNINGS ........................................... $ 603 $ 706 $ 508 $ 691 $ 856 $ 634 ----------- ------- ------- ------- ------- ------- FIXED CHARGES: Interest expense.................................... $ 208 $ 267 $ 280 $ 284 $ 319 $ 306 Adjustments ..................................... 13 13 14 10 3 8 ----------- ------- ------- ------- ------- ------- FIXED CHARGES .......................................... $ 221 $ 280 $ 294 $ 294 $ 322 $ 314 ----------- ------- ------- ------- ------- ------- Ratio of earnings to fixed charges ..................... 2.73 2.52 1.73 2.35 2.66 2.02 =========== ======= ======= ======= ======= =======