----

| EXHIBIT                      12                                              |                                        |
|-----------------------------------------------------------------------------------|---------------------------------------------|
| **MIDAMERICAN                      ENERGY COMPANY**                               | ** **                                  |
| **COMPUTATION                      OF RATIOS OF EARNINGS TO FIXED CHARGES**       |                                        |
| AND                      COMPUTATION OF RATIOS OF EARNINGS TO FIXED CHARGES       |                                        |
| PLUS                      PREFERRED STOCK DIVIDEND REQUIREMENTS                   |                                        |
| (In                      Thousands)                                               |                                        |
| (Unaudited)                                                                       |                                        |
|                                                                              |                                        |
|                                                                              | Nine                      Months            |   |   |   |   |   |   |   |   |   |   |   |
|                                                                              | Ended                                       |   | Twelve                      Months Ended December 31,  |   |
|                                                                              | Sept.                        30, 2005  |   | 2004 |   | 2003 |   | 2002 |   | 2001 |   | 2000 |   |
|                                                                              |                                        |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Net                      income from continuing operations                        | $                                           | 170,931 |   | $ | 210,455 |   | $ | 188,597 |   | $ | 175,821 |   | $ | 152,778 |   | $ | 165,456 |   |
|                                                                              |                                        |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Add                      (Deduct):                                                |                                        |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Total                      income taxes                                           |                                        | 83,684 |   |   | 102,155 |   |   | 131,261 |   |   | 120,230 |   |   | 112,452 |   |   | 110,461 |   |
| Interest                      on long-term debt                                   |                                        | 58,086 |   |   | 71,949 |   |   | 72,207 |   |   | 71,401 |   |   | 60,880 |   |   | 61,120 |   |
| Other                      interest charges                                       |                                        | 5,959 |   |   | 5,728 |   |   | 3,813 |   |   | 3,412 |   |   | 8,401 |   |   | 9,056 |   |
| Preferred                      stock dividends of                      subsidiary |                                        |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
|  trust                                                                       |                                        | - |   |   | - |   |   | - |   |   | 1,574 |   |   | 7,980 |   |   | 7,980 |   |
| Interest                      on leases                                           |                                        | 104 |   |   | 155 |   |   | 108 |   |   | 201 |   |   | 137 |   |   | 154 |   |
|                                                                              |                                        | 147,833 |   |   | 179,987 |   |   | 207,389 |   |   | 196,818 |   |   | 189,850 |   |   | 188,771 |   |
|                                                                              |                                        |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Earnings                      available for fixed charges                         |                                        | 318,764 |   |   | 390,442 |   |   | 395,986 |   |   | 372,639 |   |   | 342,628 |   |   | 354,227 |   |
|                                                                              |                                        |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Fixed                      Charges:                                               |                                        |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Interest                      on long-term debt                                   |                                        | 58,086 |   |   | 71,949 |   |   | 72,207 |   |   | 71,401 |   |   | 60,880 |   |   | 61,120 |   |
| Other                      interest charges                                       |                                        | 5,959 |   |   | 5,728 |   |   | 3,813 |   |   | 3,412 |   |   | 8,401 |   |   | 9,056 |   |
| Preferred                    stock                    dividends of subsidiary     |                                        |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| trust                                                                             |                                        | - |   |   | - |   |   | - |   |   | 1,574 |   |   | 7,980 |   |   | 7,980 |   |
| Interest                      on leases                                           |                                        | 104 |   |   | 155 |   |   | 108 |   |   | 201 |   |   | 137 |   |   | 154 |   |
| Total                      fixed charges                                          |                                        | 64,149 |   |   | 77,832 |   |   | 76,128 |   |   | 76,588 |   |   | 77,398 |   |   | 78,310 |   |
|                                                                              |                                        |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Ratio                      of earnings to fixed charges                           |                                        | 4.97 |   |   | 5.02 |   |   | 5.20 |   |   | 4.87 |   |   | 4.43 |   |   | 4.52 |   |
|                                                                              |                                        |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Preferred                      stock dividends                                    | $                                           | 935 |   | $ | 1,245 |   | $ | 1,416 |   | $ | 2,933 |   | $ | 4,544 |   | $ | 4,955 |   |
| Ratio                    of net income                    before income taxes     |                                        |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
|  to                      net income                                          |                                        | 1.4896 |   |   | 1.4854 |   |   | 1.6960 |   |   | 1.6838 |   |   | 1.7360 |   |   | 1.6676 |   |
| Preferred                    stock                    dividend requirements       |                                        |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
|  before                      income tax                                      |                                        | 1,393 |   |   | 1,849 |   |   | 2,402 |   |   | 4,939 |   |   | 7,888 |   |   | 8,263 |   |
| Fixed                    charges plus                    preferred stock          |                                        |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| dividend                      requirements                                        |                                        | 65,542 |   |   | 79,681 |   |   | 78,530 |   |   | 81,527 |   |   | 85,286 |   |   | 86,573 |   |
|                                                                              |                                        |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Ratio                    of earnings to                    fixed charges plus     |                                        |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| preferred                      stock dividend requirements                        |                                        |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| (pre-income                      tax basis)                                       |                                        | 4.86 |   |   | 4.90 |   |   | 5.04 |   |   | 4.57 |   |   | 4.02 |   |   | 4.09 |   |