EXHIBIT 12

MONONGAHELA POWER COMPANY AND SUBSIDIARIES

COMPUTATION IN SUPPORT OF RATIO OF EARNINGS TO FIXED
CHARGES



|                                               |  |                          |         |   |      |   |         |      |  |   |        |   |  |      |         |   |  |   |        |  
|---------------------------------------------- |  | ------------------------ | ------- | - | ---- | - | ------- | ---- |  | - | ------ | - |  | ---- | ------- | - |  | - | ------ | -
|                                               |  | Years Ended December 31, |        
|($ in thousands)                               |  | 2006                     |         |   | 2005 |   |         | 2004 |  |   | 2003   |   |  | 2002 |        
|Earnings:                                      |  |                          |         |   |      |   |         |      |  |   |        |   |  |      |         |   |  |   |        |  
|Income from continuing operations              |  | $                        | 70,104  |   |      | $ | 9,180   |      |  | $ | 16,432 |   |  | $    | 71,952  |   |  | $ | 32,436 |  
|Exclude amounts reflected in line above:       |  |                          |         |   |      |   |         |      |  |   |        |   |  |      |         |   |  |   |        |  
|Income tax expense (benefit)                   |  |                          | 27,560  |   |      |   | (14,756 | )    |  |   | (3,812 | ) |  |      | 39,187  |   |  |   | 8,303  |  
|Amortization of capitalized interest           |  |                          |        |   |      |   |        |      |  |   |       |   |  |      |        |   |  |   | 184    |  
|Income distributions of equity investee        |  |                          | 7,121   |   |      |   | 5,008   |      |  |   | 2,871  |   |  |      | 2,871   |   |  |   | 3,216  |  
|Income from unconsolidated equity investees    |  |                          | (5,690  | ) |      |   | (7,149  | )    |  |   | (6,292 | ) |  |      | (4,784  | ) |  |   | (4,273 | )
|Add fixed charges (see below)                  |  |                          | 43,143  |   |      |   | 45,375  |      |  |   | 44,861 |   |  |      | 45,711  |   |  |   | 45,394 |  
|Less amounts included in fixed charges:        |  |                          |         |   |      |   |         |      |  |   |        |   |  |      |         |   |  |   |        |  
|Capitalized interest                           |  |                          |        |   |      |   |        |      |  |   |       |   |  |      |        |   |  |   | (2,604 | )
|                                               |  |                          |         |   |      |   |         |      |  |   |        |   |  |      |         |   |  |   |        |  
|Total Earnings (as defined)                    |  | $                        | 142,238 |   |      | $ | 37,658  |      |  | $ | 54,060 |   |  | $    | 154,937 |   |  | $ | 82,656 |  
|                                               |  |                          |         |   |      |   |         |      |  |   |        |   |  |      |         |   |  |   |        |  
|                                               |  |                          |         |   |     
|Fixed charges:                                 |  |                          |         |   |      |   |         |      |  |   |        |   |  |      |         |   |  |   |        |  
|Interest expensed and capitalized              |  | $                        | 41,999  |   |      | $ | 44,038  |      |  | $ | 43,619 |   |  | $    | 44,361  |   |  | $ | 43,374 |  
|Estimated interest component of rental expense |  |                          | 1,144   |   |      |   | 1,337   |      |  |   | 1,242  |   |  |      | 1,350   |   |  |   | 2,020  |  
|                                               |  |                          |         |   |      |   |         |      |  |   |        |   |  |      |         |   |  |   |        |  
|Total Fixed Charges (as defined)               |  | $                        | 43,143  |   |      | $ | 45,375  |      |  | $ | 44,861 |   |  | $    | 45,711  |   |  | $ | 45,394 |  
|                                               |  |                          |         |   |      |   |         |      |  |   |        |   |  |      |         |   |  |   |        |  
|Ratio of Earnings to Fixed Charges             |  |                          | 3.30    | x |      |   | 0.83    | x    |  |   | 1.21   | x |  |      | 3.39    | x |  |   | 1.82   | x
|                                               |  |                          |         |   |      |   |         |      |  |   |        |   |  |      |         |   |  |   |        |