Exhibit 12.4
Ameren Energy Generating Company
Computation of Ratio of Earnings to Fixed Charges
(Thousands of Dollars, Except Ratios)
| Nine Months Ended September 30, 2012 | Year Ended December 31, 2011(a) | |||||||
Earnings available for fixed charges, as defined: | ||||||||
Net income from continuing operations attributable to Ameren Energy Generating Company | $ | 7,771 | $ | 44,153 | ||||
Net income attributable to noncontrolling interest | (5,752 | ) | 1,061 | |||||
Taxes based on income | 1,513 | 32,285 | ||||||
Fixed charges excluding capitalized interest | 40,121 | 61,975 | ||||||
Amortization of capitalized interest | 1,089 | 1,176 | ||||||
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Earnings available for fixed charges, as defined | $ | 44,742 | $ | 140,650 | ||||
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Fixed charges, as defined: | ||||||||
Interest expense on short-term and long-term debt(b) | $ | 39,398 | $ | 61,020 | ||||
Capitalized interest | 9,437 | 2,886 | ||||||
Estimated interest cost within rental expense | 217 | 284 | ||||||
Amortization of net debt premium, discount, and expenses | 506 | 671 | ||||||
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Total fixed charges, as defined | $ | 49,558 | $ | 64,861 | ||||
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Ratio of earnings to fixed charges | — | (c) | 2.17 | |||||
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| (a) | During 2011, Genco recorded a charge to earnings of $35 million related to the closure of two energy centers and an asset impairment. See Note 17 - Goodwill, Impairment and Other Charges under Part II, Item 8 of the 2011 Form 10-K for additional information. |
| (b) | Includes interest expense related to uncertain tax positions |
| (c) | Earnings are inadequate to cover fixed charges by $5 million for the nine months ended September 30, 2012. |