Exhibit (12)
Commonwealth Edison Company
Form 10-Q 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 June 30, December 31,
No. 1999 1998
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1 Net income/(loss) before extraordinary items $ 642,306 $ 594,206
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2 Net provisions for income taxes and investment tax credits deferred
3 charged to-
4 Operations $ 361,980 $ 355,667
5 Other income (17,129) (4,741)
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6 $ 344,851 $ 350,926
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7 Fixed charges-
8 Interest on debt $ 501,746 $ 450,226
9 Estimated interest component of nuclear fuel and
10 other lease payments, rentals and other interest 68,088 74,568
11 Amortization of debt discount, premium and expense 9,663 10,369
12 Company-obligated mandatorily redeemable preferred securities
13 dividend requirements of subsidiary trusts holding solely the
14 Company's subordinated debt securities 29,710 29,710
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15 $ 609,207 $ 564,873
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16 Preferred and preference stock dividend requirements-
17 Provisions for preferred and preference stock dividends $ 46,215 $ 56,884
18 Taxes on income required to meet provisions for
19 preferred and preference stock dividends 30,249 37,232
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20 $ 76,464 $ 94,116
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21 Fixed charges and preferred and preference stock
22 dividend requirements $ 685,671 $ 658,989
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23 Earned for fixed charges and preferred and preference stock
24 dividend requirements $1,596,364 $1,510,005
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25 Ratios of earnings to fixed charges (line 24 divided by line 15) 2.62 2.67
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26 Ratios of earnings to fixed charges and preferred and preference
27 stock dividend requirements (line 24 divided by line 22) 2.33 2.29
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