Exhibit 12.5

Central Illinois Light Company

Computation of Ratio of Earnings to Fixed Charges and Combined

Fixed Charges and Preferred Stock Dividend Requirements

(Thousands of Dollars, Except Ratios)

	Nine Months Ended September 30, 2010		Year Ended December  31, 2009
Net income from continuing operations	$	62,173	$	135,102
Add- Taxes based on income		29,026		71,980
Net income before income taxes		91,199		207,082
Add- fixed charges:
Interest on short-term and long-term debt (a)		32,334		39,981
Estimated interest cost within rental expense		778		966
Amortization of net debt premium, discount, and expenses		553		1,227
Total fixed charges		33,665		42,174
Earnings available for fixed charges		124,864		249,256
Ratio of earnings to fixed charges		3.70		5.91
Earnings required for combined fixed charges and preferred stock dividends:
Preferred stock dividends		583		872
Adjustment to pretax basis		272		464
		855		1,336
Combined fixed charges and preferred stock dividend requirements	$	34,520	$	43,510
Ratio of earnings to combined fixed charges and preferred stock dividend requirements		3.61		5.72

^(a) Includes interest expense related to uncertain tax positions