**Exhibit      12.5**

| **CILCORP                INC.****Computation                of Ratio of Earnings to Fixed Charges****(Thousands                of Dollars, Except Ratios)** |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------|
|                                                                                                                                                        |   |   |   |   |   |   |
|                                                                                                                                                        |   |   |   |   |   |   |
|                                                                                                                                                        |   | **3                Months Ended**  |   |   | **Year                Ended** |   |
|                                                                                                                                                        |   | **March                31,**  |   |   | **December                31,** |   |
|                                                                                                                                                        |   | **2007** |   |   | **2006** |   |
| Net                income from continuing operations                                                                                                        | $ | 19,996 |   | $ | 21,004 |   |
| Less-                Change in accounting principle                                                                                                         |   | - |   |   | - |   |
| Add-                Taxes (benefit) based on income (loss)                                                                                                  |   | 9,947 |   |   | (10,944 | ) |
|                                                                                                                                                        |   |   |   |   |   |   |
| Net                income before income taxes and change in accounting                principle                                                             |   | 29,943 |   |   | 10,060 |   |
|                                                                                                                                                        |   |   |   |   |   |   |
| Add-                fixed charges:                                                                                                                          |   |   |   |   |   |   |
| Interest                on long term debt                                                                                                                   |   | 13,733 |   |   | 51,574 |   |
| Estimated                interest cost within rental expense                                                                                                |   | 84 |   |   | 289 |   |
| Amortization                of net debt premium, discount,and                expenses                                                                       |   | 308 |   |   | 801 |   |
| Subsidiary                preferred stock dividends                                                                                                         |   | 475 |   |   | 1,933 |   |
| Adjust                preferred stock dividends to pre-taxbasis                                                                                             |   | 236 |   |   | (1,007 | ) |
| Total                fixed charges                                                                                                                          |   | 14,836 |   |   | 53,590 |   |
| Less:                Adjustment of preferred stock dividends to pre-tax basis                                                                               |   | 236 |   |   | (1,007 | ) |
|                                                                                                                                                        |   |   |   |   |   |   |
| Earnings                available for fixed charges                                                                                                         | $ | 44,543 |   | $ | 64,657 |   |
|                                                                                                                                                        |   |   |   |   |   |   |
| Ratio                of earnings to fixed charges                                                                                                           |   | 3.00 |   |   | 1.20 |   |