Ameren (AEE) 10-K 2004 FY Annual report

Exhibit 12.5

CILCORP INC. Computation Of Ratio Of Earnings To Fixed Charges (Thousands of Dollars, Except Ratios)
	Year Ended December 31,									1/01/03 Thru			1/31/03 Thru			Year Ended December 31,
	2000			2001			2002			1/30/03(1)			12/31/03(1)			2004
Net income from continuing operations	$	11,385		$	25,428		$	24,658		$	5,385		$	14,400		$	10,367
Income taxes		10,380			22,182			6,841			2,922			5,946			(8,526	)
Fixed charges		82,590			79,268			76,605			5,573			54,219			55,562
Less:
Preference security dividend requirements of consolidated subsidiaries		(4,935	)		(3,579	)		(3,579	)		(283	)		(3,061	)		(2,408	)
Total earnings	$	99,420		$	123,299		$	104,525		$	13,597		$	71,504		$	54,995
Fixed Charges:
Interest expense		76,052			74,710			71,407			5,203			49,760			52,759
Estimated interest cost within rental expense		1,603			979			1,619			87			1,398			395
Earnings required for preferred dividends:
Preference dividends of consolidated subsidiaries		4,935			3,579			3,579			180			1,947			2,062
Adjustment to pre-tax basis		-			-			-			103			1,114			346
		4,935			3,579			3,579			283			3,061			2,408
Total fixed charges	$	82,590		$	79,268		$	76,605		$	5,573		$	54,219		$	55,562
Ratio of Earnings to Fixed Charges		1.20			1.55			1.36			2.43			1.31			-
(1) Ameren Corporation purchased CILCORP Inc. and subsidiaries on January 31, 2003.
(2) Earnings were inadequate to cover fixed charges by $567 thousand for the year ended Decmber 31, 2004.