Exhibit 12.5

CILCORP INC.

Computation of Ratio of Earnings to Fixed Charges

(Thousands of Dollars, Except Ratios)



|                                                              |  |                                 |           |                                  |   |        
|------------------------------------------------------------- |  | ------------------------------- | --------- | -------------------------------- | - | -------
|                                                              |  | Three Months EndedMarch 31,2009 |           | Year
Ended      December 31,2008
|Net income from continuing operations                         |  | $                               | (432,217) |                                  | $ | 43,542 
|Add- Taxes based on income                                    |  |                                 | 14,523    |                                  |   | 19,411 
|                                                              |  |                                 |           |                                  |   |        
|Net income before income taxes                                |  |                                 | (417,694) |                                  |   | 62,953 
|Add- fixed charges:                                           |  |                                 |           |                                  |   |        
|Interest on long term debt(1)                                 |  |                                 | 13,825    |                                  |   | 53,592 
|Estimated interest cost within rental expense                 |  |                                 | 205       |                                  |   | 430    
|Amortization of net debt premium, discount, and expenses      |  |                                 | 402       |                                  |   | 1,428  
|Subsidiary preferred stock dividends                          |  |                                 | 218       |                                  |   | 1,354  
|Adjust preferred stock dividends to pretax basis              |  |                                 | (7)       |                                  |   | 604    
|                                                              |  |                                 |           |                                  |   |        
|Total fixed charges                                           |  |                                 | 14,643    |                                  |   | 57,408 
|                                                              |  |                                 |           |                                  |   |        
|Less: Adjustment of preferred stock dividends to pretax basis |  |                                 | (7)       |                                  |   | 604    
|Earnings available for fixed charges                          |  | $                               | (403,044) |                                  | $ | 119,757
|                                                              |  |                                 |           |                                  |   |        
|Ratio of earnings to fixed charges                            |  |                                 | -(2)      |                                  |   | 2.08   
|                                                              |  |                                 |           |                                  |   |        



|(1) | Includes FIN 48 interest expense
|--- | --------------------------------



|(2) | Earnings are inadequate to cover fixed charges by $417.7 million for the three months ended March 31, 2009
|--- | ----------------------------------------------------------------------------------------------------------