1 EXHIBIT (12) CMS ENERGY CORPORATION Ratio of Earnings to Fixed Charges (Millions of Dollars) Years Ended December 31 1997 1996 1995 1994 1993 --------------------------------- Earnings as defined (a) Consolidated net income $ 268 $ 240 $ 204 $ 179 $ 155 Income taxes 117 139 118 92 75 Exclude equity basis subsidiaries (80) (85) (57) (18) (6) Fixed charges as defined, adjusted to exclude capitalized interest of $16, $8, $8, $6 and $5 for the years ended December 31, 1997, 1996, 1995, 1994, and 1993, respectively 314 275 268 226 241 --------------------------------- Earnings as defined $ 619 $ 569 $ 533 $ 479 $ 465 ============================================================================ Fixed charges as defined (a) Interest on long-term debt $ 273 $ 230 $ 224 $ 193 $ 204 Estimated interest portion of lease rental 8 10 9 9 11 Other interest charges 49 43 42 30 32 --------------------------------- Fixed charges as defined $ 330 $ 283 $ 275 $ 232 $ 247 ============================================================================ Ratio of earnings to fixed charges 1.88 2.01 1.94 2.07 1.88 ============================================================================ NOTES: (a) Earnings and fixed charges as defined in instructions for Item 503 of Regulation S-K. 2 EXHIBIT (12) CMS ENERGY CORPORATION RATIO OF EARNINGS TO FIXED CHARGES AND PREFERRED SECURITIES DIVIDENDS AND DISTRIBUTIONS (MILLIONS OF DOLLARS) YEARS ENDED DECEMBER 31 ------------------------------------ 1997 1996 1995 1994 1993 ---- ---- ---- ---- ---- Earnings as defined(a) Consolidated net income..................................... $268 $240 $204 $179 $155 Income taxes................................................ 117 139 118 92 75 Exclude equity basis subsidiaries........................... (80) (85) (57) (18) (6) Fixed charges as defined, adjusted to exclude capitalized interest of $16, $8, $8, $6 and $5 for the years ended December 31, 1997, 1996, 1995, 1994, and 1993, respectively.............................................. 357 310 295 249 253 ---- ---- ---- ---- ---- Earnings as defined......................................... $662 $604 $560 $502 $477 ==== ==== ==== ==== ==== Fixed charges as defined(a) Interest on long-term debt.................................. $273 $230 $224 $193 $204 Estimated interest portion of lease rental.................. 8 10 9 9 11 Other interest charges...................................... 49 43 42 30 32 Preferred securities dividends and distributions............ 67 54 42 36 17 ---- ---- ---- ---- ---- Fixed charges as defined.................................... $397 $337 $317 $268 $264 ==== ==== ==== ==== ==== Ratio of earnings to fixed charges and preferred securities dividends and distributions............................... 1.67 1.79 1.77 1.87 1.81 ==== ==== ==== ==== ==== NOTES: (a) Earnings and fixed charges as defined in instructions for Item 503 of Regulation S-K.