Exhibit (12)
Commonwealth Edison Company
Form 10-K File No. 1-1839
Commonwealth Edison Company and Subsidiary Companies Consolidated
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Computation of Ratios of Earnings to Fixed Charges
and Ratios of Earnings to Fixed Charges and
Preferred and Preference Stock Dividend Requirements
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(Thousands of Dollars)
Twelve Months Ended
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December 31, December 31,
No. 1998 1997
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1 Net income (loss) before extraordinary item and cumulative effect of
2 change in accounting principle $ 594,206 $ (160,138)
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3 Net provisions for income taxes and investment tax credits deferred
4 charged to-
5 Operations $ 355,667 $ 307,056
6 Other income (4,741) (405,599)
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7 $ 350,926 $ (98,543)
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8 Fixed charges-
9 Interest on debt $ 450,226 $ 487,749
10 Estimated interest component of nuclear fuel and
11 other lease payments, rentals and other interest 74,568 70,468
12 Amortization of debt discount, premium and expense 10,369 21,951
13 Company-obligated mandatorily redeemable preferred securities
14 dividend requirements of subsidiary trusts holding solely the
15 Company's subordinated debt securities 29,710 28,860
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16 $ 564,873 $ 609,028
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17 Preferred and preference stock dividend requirements-
18 Provisions for preferred and preference stock dividends $ 56,884 $ 60,486
19 Taxes on income required to meet provisions for
20 preferred and preference stock dividends 37,232 39,623
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21 $ 94,116 $ 100,109
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22 Fixed charges and preferred and preference stock
23 dividend requirements $ 658,989 $ 709,137
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24 Earned for fixed charges and preferred and preference stock
25 dividend requirements $ 1,510,005 $ 350,347
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26 Ratios of earnings to fixed charges (line 25 divided by line 16) 2.67 0.58
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27 Ratios of earnings to fixed charges and preferred and preference
28 stock dividend requirements (line 25 divided by line 23) 2.29 0.49
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