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,
	2002		2003		2004		2005			2006
Net income from continuing operations	$	50,128	$	44,883	$	32,384	$	25,296		$	47,012
Less- Change in accounting principle		—		24,080		—		(2,497	)		—
Add- Taxes based on income		26,472		11,905		5,450		16,357			9,966
Net income before income taxes and change in accounting principle		76,600		32,708		37,834		44,150			56,978
Add- fixed charges:
Interest on long term debt		27,196		16,358		15,179		13,918			18,044
Estimated interest cost within rental expense		1,619		1,468		395		390			289
Amortization of net debt premium, discount, and expenses		544		708		611		473			705
Total fixed charges		29,359		18,534		16,185		14,781			19,038
Earnings available for fixed charges		105,959		51,242		54,019		58,931			76,016
Ratio of earnings to fixed charges		3.60		2.76		3.33		3.98			3.99
Earnings required for combined fixed charges and preferred stock dividends:
Preferred stock dividends		2,159		2,127		2,062		1,998			1,933
Adjustment to pre-tax basis		1,140		1,217		346		1,293			410
		3,299		3,344		2,408		3,291			2,343
Combined fixed charges and preferred stock dividend requirements	$	32,658	$	21,878	$	18,593	$	18,072		$	21,381
Ratio of earnings to combined fixed charges and preferred stock dividend requirements		3.24		2.34		2.90		3.26			3.55