| Illinois      Power CompanyComputation      of Ratios of Earnings to Fixed Charges and CombinedFixed      Charges and Preferred Stock Dividend Requirements(Thousands      of Dollars, Except Ratios) |                            |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---------------------------------|
|                                                                                                                                                                                                  |                            |   |   |   |   |
|                                                                                                                                                                                                  |                            |   |   |   |   |
|                                                                                                                                                                                                  |        9      Months Ended |   | Year      Ended |   |
|                                                                                                                                                                                                  | September      30,              |   |   | December      31, |   |
|                                                                                                                                                                                                  | 2008                            |   |   | 2007 |   |
| Net      income (loss) from continuing operations                                                                                                                                                     | $                               | (2,502 | ) |   | $ | 25,780 |   |
| Add-      Taxes (benefit) based on income                                                                                                                                                             |                            | (1,705 | ) |   |   | 15,341 |   |
|                                                                                                                                                                                                  |                            |   |   |   |   |   |   |
| Net      income (loss) before income taxes                                                                                                                                                            |                            | (4,207 | ) |   |   | 41,121 |   |
|                                                                                                                                                                                                  |                            |   |   |   |   |   |   |
| Add-      fixed charges:                                                                                                                                                                              |                            |   |   |   |   |   |   |
| Interest on long term      debt  (1)                                                                                                                                                        |                            | 65,295 |   |   |   | 69,085 |   |
| Estimated      interest cost within rental expense                                                                                                                                                    |                            | 398 |   |   |   | 234 |   |
| Amortization      of net debt premium, discount,expenses      and losses                                                                                                                              |                            | 6,995 |   |   |   | 8,454 |   |
| Total      fixed charges                                                                                                                                                                              |                            | 72,688 |   |   |   | 77,773 |   |
|                                                                                                                                                                                                  |                            |   |   |   |   |   |   |
| Earnings      available for fixed charges                                                                                                                                                             |                            | 68,481 |   |   |   | 118,894 |   |
|                                                                                                                                                                                                  |                            |   |   |   |   |   |   |
| Ratio      of earnings to fixed charges                                                                                                                                                               |                            | - | (2)  |   |   | 1.52 |   |
|                                                                                                                                                                                                  |                            |   |   |   |   |   |   |
| Earnings      required for combined fixedcharges      and preferred stock dividends:                                                                                                                  |                            |   |   |
| Preferred      stock dividends                                                                                                                                                                        |                            | 1,721 |   |   |   | 2,294 |   |
| Adjustment      to pre-tax basis                                                                                                                                                                      |                            | 1,173 |   |   |   | 1,365 |   |
|                                                                                                                                                                                                  |                            | 2,894 |   |   |   | 3,659 |   |
|                                                                                                                                                                                                  |                            |   |   |   |   |   |   |
| Combined      fixed charges and preferred stockdividend      requirements                                                                                                                             | $                               | 75,582 |   |   | $ | 81,432 |   |
|                                                                                                                                                                                                  |                            |   |   |   |   |   |   |
| Ratio      of earnings to combined fixed chargesand      preferred stock dividend requirements                                                                                                        |                            | - | (3)  |   |   | 1.46 |   |

| (1)  Includes      FIN 48 interest expense                                                                                                                                   |   |   |   |   |   |   |   |
|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------|--------|--------|--------|--------|--------|--------|
| (2)      Earnings were inadequate to cover fixed charges by $4,207,000 for the nine      months ended September 30, 2008.                                                              |   |
| (3)      Earnings were inadequate to cover combined fixed charges and preferred      stock dividend requirements by $7,101,000 for      the nine months ended September 30, 2008. |   |