Exhibit 12.6

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, 2009		Year Ended December 31, 2008
Net income from continuing operations	$	100,978	$	69,638
Add- Taxes based on income		54,592		38,673
Net income before income taxes		155,570		108,311
Add- fixed charges:
Interest on short-term and long-term debt (1)		27,300		19,724
Estimated interest cost within rental expense		687		429
Amortization of net debt premium, discount, and expenses		1,042		1,112
Total fixed charges		29,029		21,265
Earnings available for fixed charges		184,599		129,576
Ratio of earnings to fixed charges		6.35		6.09
Earnings required for combined fixed charges and preferred stock dividends:
Preferred stock dividends		654		1,354
Adjustment to pretax basis		353		752
		1,007		2,106
Combined fixed charges and preferred stock dividend requirements	$	30,036	$	23,371
Ratio of earnings to combined fixed charges and preferred stock dividend requirements		6.14		5.54

⁽¹⁾ Includes FIN 48 interest expense