|                                              |                                                                                                              |               |       |   |   |   |   |   |   | Exhibit 12.1 |
|---------------------------------------------------|-------------------------------------------------------------------------------------------------------------------|--------------------|------------|--------|--------|--------|--------|--------|--------|--------------|
|                                              |                                                                                                              |               |       |   |   |   |   |   |   |         |   |   |   |   |   |
| GREAT PLAINS ENERGY INCORPORATED                  |
|                                              |                                                                                                              |               |       |   |   |   |   |   |   |         |   |   |   |   |   |
| COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES |
|                                              |                                                                                                              |               |       |   |   |   |   |   |   |         |   |   |   |   |
|                                              |                                                                                                              | Three Months Ended |       |
|                                              |                                                                                                              | March 31           |       |
|                                              |                                                                                                              |               | 2010       |   | 2009   | 2008   | 2007   | 2006   | 2005   |
|                                              |                                                                                                              |               | (millions) |
| Income from continuing operations                 |                                                                                                              | $                  | 20.3       |   |   | $      | 151.9  |   | $      | 119.7        |   | $ | 120.9 |   | $ | 136.7 |   | $ | 142.9 |   |
| Add                                               |                                                                                                              |               |       |   |   |   |   |   |   |         |   |   |   |   |   |   |   |   |   |   |
| Equity investment loss                            |                                                                                                              |               | -          |   |   |   | 0.4    |   |   | 1.3          |   |   | 2.0 |   |   | 1.9 |   |   | 0.4 |   |
|                                              | Income subtotal                                                                                                   |               |       | 20.3   |   |   |   | 152.3  |   |         | 121.0 |   |   | 122.9 |   |   | 138.6 |   |   | 143.3 |   |
|                                              |                                                                                                              |               |       |   |   |   |   |   |   |         |   |   |   |   |   |   |   |   |   |   |   |
| Add                                               |                                                                                                              |               |       |   |   |   |   |   |   |         |   |   |   |   |   |   |   |   |   |   |
| Taxes on income                                   |                                                                                                              |               | 9.7        |   |   |   | 29.5   |   |   | 63.8         |   |   | 44.9 |   |   | 60.3 |   |   | 22.2 |   |
| Kansas City earnings tax                          |                                                                                                              |               | 0.2        |   |   |   | 0.4    |   |   | 0.3          |   |   | 0.5 |   |   | 0.5 |   |   | 0.5 |   |
|                                              | Total taxes on income                                                                                             |               |       | 9.9    |   |   |   | 29.9   |   |         | 64.1 |   |   | 45.4 |   |   | 60.8 |   |   | 22.7 |   |
|                                              |                                                                                                              |               |       |   |   |   |   |   |   |         |   |   |   |   |   |   |   |   |   |   |   |
| Interest on value of leased property              |                                                                                                              |               | 1.5        |   |   |   | 6.5    |   |   | 3.6          |   |   | 3.9 |   |   | 4.1 |   |   | 6.2 |   |
| Interest on long-term debt                        |                                                                                                              |               | 54.1       |   |   |   | 203.6  |   |   | 126.2        |   |   | 74.1 |   |   | 62.6 |   |   | 64.3 |   |
| Interest on short-term debt                       |                                                                                                              |               | 2.1        |   |   |   | 10.3   |   |   | 18.2         |   |   | 26.4 |   |   | 9.2 |   |   | 4.5 |   |
| Other interest expense and amortization (a)       |                                                                                                              |               | -          |   |   |   | 4.7    |   |   | (1.4         | ) |   | 5.8 |   |   | 3.9 |   |   | 4.3 |   |
|                                              |                                                                                                              |               |       |   |   |   |   |   |   |         |   |   |   |   |   |   |   |   |   |   |   |
|                                              | Total fixed charges                                                                                               |               |       | 57.7   |   |   |   | 225.1  |   |         | 146.6 |   |   | 110.2 |   |   | 79.8 |   |   | 79.3 |   |
|                                              |                                                                                                              |               |       |   |   |   |   |   |   |         |   |   |   |   |   |   |   |   |   |   |   |
| Earnings before taxes on                          |                                                                                                              |               |       |   |   |   |   |   |   |         |   |   |   |   |   |   |   |   |   |   |
|                                              | income and fixed charges                                                                                          |               | $          | 87.9   |   |   | $      | 407.3  |   | $            | 331.7 |   | $ | 278.5 |   | $ | 279.2 |   | $ | 245.3 |   |
|                                              |                                                                                                              |               |       |   |   |   |   |   |   |         |   |   |   |   |   |   |   |   |   |   |   |
| Ratio of earnings to fixed charges                |                                                                                                              |               | 1.52       |   |   |   | 1.81   |   |   | 2.26         |   |   | 2.53 |   |   | 3.50 |   |   | 3.09 |   |
|                                              |                                                                                                              |               |       |   |   |   |   |   |   |         |   |   |   |   |   |   |   |   |   |   |   |
| (a)                                               | On January 1, 2007, Great Plains Energy elected to make an accounting policy change to recognize interest related |
|                                              | to uncertain tax positions in interest expense.                                                                   |