**Exhbit      12.5**

| **CILCORP                  INC.****Computation                  of Ratio of Earnings to Fixed Charges****(Thousands                  of Dollars, Except Ratios)** |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|                                                                                                                                                              |   |   |   |   |
|                                                                                                                                                              | **Nine                  Months** |   | **Year** |   |
|                                                                                                                                                              | **Ended** |   | **Ended** |   |
|                                                                                                                                                              | **September                  30,** |   | **December                  31,** |   |
|                                                                                                                                                              | **2006** |   | **2005** |   |
| Net                  income from continuing operations                                                                                                            | $ | 23,896 |   | $ | 3,222 |   |
| Less-                  Change in accounting principle                                                                                                             |   | - |   |   | (2,497 | ) |
| Add-                  Taxes (benefit) based on income (loss)                                                                                                      |   | (4,976 | ) |   | (3,164 | ) |
| Net                  income before income taxes and change in accountingprinciple                                                                                 |   | 18,920 |   |   | 2,555 |   |
|                                                                                                                                                              |   |   |   |   |   |   |
| Add-                  fixed charges:                                                                                                                              |   |   |   |   |   |   |
| Interest                  on long term debt                                                                                                                       |   | 37,693 |   |   | 50,562 |   |
| Estimated                  interest cost within rental expense                                                                                                    |   | 215 |   |   | 390 |   |
| Amortization                  of net debt premium, discount,and                  expenses                                                                         |   | 517 |   |   | 693 |   |
| Subsidiary                  preferred stock dividends                                                                                                             |   | 1,458 |   |   | 1,988 |   |
| Adjust                  preferred stock dividends to pre-taxbasis                                                                                                 |   | 304 |   |   | 1,293 |   |
| Total                  fixed charges                                                                                                                              |   | 40,187 |   |   | 54,926 |   |
| Less:                  Adjustment of preferred stock dividends to pre-tax basis                                                                                   |   | 304 |   |   | 1,293 |   |
|                                                                                                                                                              |   |   |   |   |   |   |
| Earnings                  available for fixed charges                                                                                                             |   | 58,803 |   |   | 56,188 |   |
|                                                                                                                                                              |   |   |   |   |   |   |
| Ratio                  of earnings to fixed charges                                                                                                               |   | 1.46 |   |   | 1.02 |   |
|                                                                                                                                                              |   |   |   |   |   |   |