Exhibit 12.6

Central Illinois Light Company

Computation of Ratios of Earnings to Fixed Charges and Combined

Fixed Charges and Preferred Stock Dividend Requirements

(Thousands of Dollars, Except Ratios)

	Year Ended December 31,
	2004		2005			2006		2007			2008
Net income from continuing operations	$	32,384	$	25,296		$	47,012	$	75,984		$	69,638
Less- Change in accounting principle		—		(2,497	)		—		—			—
Add- Taxes based on income		5,450		16,357			9,966		39,195			38,673
Net income before income taxes and change in accounting principle		37,834		44,150			56,978		115,179			108,311
Add- fixed charges:
Interest on long term debt		15,179		13,918			18,044		26,071	(1)		19,724	(1)
Estimated interest cost within rental expense		395		390			289		343			429
Amortization of net debt premium, discount, and expenses		611		473			705		1,065			1,112
Total fixed charges		16,185		14,781			19,038		27,479			21,265
Earnings available for fixed charges		54,019		58,931			76,016		142,658			129,576
Ratio of earnings to fixed charges		3.33		3.98			3.99		5.19			6.09
Earnings required for combined fixed charges and preferred stock dividends:
Preferred stock dividends		2,062		1,998			1,933		1,869			1,354
Adjustment to pre-tax basis		346		1,293			410		977			752
		2,408		3,291			2,343		2,846			2,106
Combined fixed charges and preferred stock dividend requirements	$	18,593	$	18,072		$	21,381	$	30,325		$	23,371
Ratio of earnings to combined fixed charges and preferred stock dividend requirements		2.90		3.26			3.55		4.70			5.54

⁽¹⁾ Includes FIN 48 interest expense