** Exhibit      12.5**

| **CILCORP                    INC.****Computation                    of Ratio of Earnings to Fixed Charges****(Thousands                    of Dollars, Except Ratios)** |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|                                                                                                                                                                    |   |   |   |   |
|                                                                                                                                                                    | **Six                    Months** |   | **Year** |   |
|                                                                                                                                                                    | **Ended** |   | **Ended** |   |
|                                                                                                                                                                    | **June                    30,** |   | **December                    31,** |   |
|                                                                                                                                                                    |   | **2006** |   |   | **2005** |   |
| Net                    income from continuing operations                                                                                                                | $ | 8,885 |   | $ | 3,222 |   |
| Less-                    Change in accounting principle                                                                                                                 |   | - |   |   | (2,497 | ) |
| Add-                    Taxes (benefit) based on income (loss)                                                                                                          |   | (3,098 | ) |   | (3,164 | ) |
| Net                    income before income taxes and change in accounting principle                                                                                    |   | 5,787 |   |   | 2,555 |   |
|                                                                                                                                                                    |   |   |   |   |   |   |
| Add-                    fixed charges:                                                                                                                                  |   |   |   |   |   |   |
| Interest                    on long term debt                                                                                                                           |   | 25,050 |   |   | 50,562 |   |
| Estimated                    interest cost within rental expense                                                                                                        |   | 138 |   |   | 390 |   |
| Amortization                    of net debt premium, discount,and                    expenses                                                                           |   | 267 |   |   | 693 |   |
| Subsidiary                    preferred stock dividends                                                                                                                 |   | 983 |   |   | 1,988 |   |
| Adjust                    preferred stock dividends to pre-taxbasis                                                                                                     |   | 309 |   |   | 1,293 |   |
| Total                    fixed charges                                                                                                                                  |   | 26,747 |   |   | 54,926 |   |
| Less:                    Adjustment of preferred stock dividends to pre-tax basis                                                                                       |   | 309 |   |   | 1,293 |   |
|                                                                                                                                                                    |   |   |   |   |   |   |
| Earnings                    available for fixed charges                                                                                                                 |   | 32,225 |   |   | 56,188 |   |
|                                                                                                                                                                    |   |   |   |   |   |   |
| Ratio                    of earnings to fixed charges                                                                                                                   |   | 1.20 |   |   | 1.02 |   |