1 EXHIBIT 12-16 THE DETROIT EDISON COMPANY COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES AND PREFERRED STOCK DIVIDENDS Year Ended December 31 ------------------------------------------------------ 1998 1997 1996 ---- ---- ---- (Millions, except for ratio and percent) Net income.................................... $ 418 $ 417 $ 328 -------------- --------------- -------------- Taxes based on income: Current income taxes....................... 280 308 224 Deferred taxes - net....................... (5) (6) 16 Investment tax credit adjustments - net.... (15) (14) (15) Municipal and state........................ 3 4 3 -------------- --------------- -------------- Total taxes based on income............ 263 292 228 -------------- --------------- -------------- Fixed charges: Interest on long-term debt................. 254 262 275 Amortization of debt discount, premium and expense.............................. 11 11 12 Other interest............................. 13 9 4 Interest factor of rents................... 34 34 34 -------------- --------------- -------------- Total fixed charges.................... 312 316 325 -------------- --------------- -------------- Earnings before taxes based on income and fixed charges.......................... $ 993 $ 1,025 $ 881 ============== =============== ============== Preferred stock dividends..................... $ 6 $ 12 $ 16 Dividends meeting requirement of IRC Section 247............................ 4 4 4 Percent deductible for income tax purposes.... 40.00% 40.00% 40.00% Amount deductible............................. 2 2 2 Amount not deductible......................... 4 10 14 Ratio of pretax income to net income.......... 1.63 1.70 1.70 Dividend factor for amount not deductible..... 7 17 24 Amount deductible............................. 2 2 2 -------------- --------------- -------------- Total preferred stock dividend factor.. 9 19 26 Total fixed charges.................... 312 316 325 -------------- --------------- -------------- Total fixed charges and preferred stock dividends...................... $ 321 $ 335 $ 351 ============== =============== ============== Ratio of earnings to fixed charges and preferred stock dividends.................. 3.09 3.06 2.51