Exhibit 12.4

Illinois Power Company Computation of Ratios of Earnings to Fixed Charges and Combined Fixed Charges and Preferred Stock Dividend Requirements (Thousands of Dollars, Except Ratios)
	Three Months Ended  March 31, 2006
Net income from continuing operations	$	3,679
Add- Taxes based on income		2,342
Net income before income taxes		6,021
Add- fixed charges:
Interest on long term debt		10,756
Amortization of net debt premium, discount, expenses and losses		848
Total fixed charges		11,604
Earnings available for fixed charges		17,625
Ratio of earnings to fixed charges		1.51
Earnings required for combined fixed charges and preferred stock dividends:
Preferred stock dividends		574
Adjustment to pre-tax basis		366
		940
Combined fixed charges and preferred stock dividend requirements	$	12,544
Ratio of earnings to combined fixed charges and preferred stock dividend requirements		1.40