Exhibit (12)
Commonwealth Edison Company
Form 8-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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Line December 31, December 31,
No. 1999 1998
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1 Net income before extraordinary items $ 650,308 $ 594,206
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2 Net provisions for income taxes and
3 investment tax credits deferred
4 charged to-
5 Operations $ 353,477 $ 355,667
6 Other income (25,544) (4,741)
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7 $ 327,933 $ 350,926
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8 Fixed charges-
9 Interest on debt $ 567,567 $ 478,404
10 Estimated interest component of nuclear
11 fuel and other lease payments, rentals
12 and other interest 65,705 74,568
13 Amortization of debt discount, premium and
14 expense 10,083 10,369
15 Company-obligated mandatorily redeemable
16 preferred securities dividend requirements
17 of subsidiary trusts holding solely the
18 Company's subordinated debt securities 29,710 29,710
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19 $ 673,065 $ 593,051
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20 Preferred and preference stock dividend
21 requirements-
22 Provisions for preferred and preference
23 stock dividends $ 23,756 $ 56,884
24 Taxes on income required to meet provisions
for preferred and preference stock dividends 15,543 37,232
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25 $ 39,299 $ 94,116
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26 Fixed charges and preferred and preference
27 stock dividend requirements $ 712,364 $ 687,167
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28 Earnings for fixed charges and preferred
29 and preference stock dividend requirements $1,651,306 $1,538,183
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30 Ratios of earnings to fixed charges
(line 29 divided by line 19) 2.45 2.59
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31 Ratios of earnings to fixed charges and
32 preferred and preference
33 stock dividend requirements
34 (line 29 divided by line 27) 2.32 2.24
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