Exhibit 12

ALLEGHENY ENERGY, INC. AND SUBSIDIARIES

COMPUTATION IN SUPPORT OF RATIO OF EARNINGS TO FIXED
CHARGES



|                                                                         |  |                          |         |   |      |   |         |      |  |   |         |   |  |      |         |   |  |   |         |  
|------------------------------------------------------------------------ |  | ------------------------ | ------- | - | ---- | - | ------- | ---- |  | - | ------- | - |  | ---- | ------- | - |  | - | ------- | -
|                                                                         |  | Years Ended December 31, |        
|(Dollar amounts in thousands)                                            |  | 2008                     |         |   | 2007 |   |         | 2006 |  |   | 2005    |   |  | 2004 |        
|Earnings (Losses):                                                       |  |                          |         |   |      |   |         |      |  |   |         |   |  |      |         |   |  |   |         |  
|Income from continuing operations                                        |  | $                        | 395,447 |   |      | $ | 412,214 |      |  | $ | 318,735 |   |  | $    | 75,145  |   |  | $ | 129,732 |  
|Exclude amounts reflected in line above:                                 |  |                          |         |   |      |   |         |      |  |   |         |   |  |      |         |   |  |   |         |  
|Income tax expense                                                       |  |                          | 203,966 |   |      |   | 250,805 |      |  |   | 173,543 |   |  |      | 64,771  |   |  |   | 79,669  |  
|Minority interest in income (loss) of subsidiaries                       |  |                          | 443     |   |      |   | 3,121   |      |  |   | 2,562   |   |  |      | 587     |   |  |   | (882    | )
|Preferred dividends of subsidiary                                        |  |                          |        |   |      |   | 700     |      |  |   | 1,172   |   |  |      | 4,071   |   |  |   | 5,037   |  
|Amortization of capitalized interest                                     |  |                          | 2,413   |   |      |   | 1,923   |      |  |   | 1,644   |   |  |      | 2,695   |   |  |   | 2,288   |  
|Loss (income) from unconsolidated equity investees                       |  |                          | (1,795  | ) |      |   | (334    | )    |  |   | (325    | ) |  |      | 770     |   |  |   | 663     |  
|Add fixed charges (see below)                                            |  |                          | 273,823 |   |      |   | 216,835 |      |  |   | 286,769 |   |  |      | 453,559 |   |  |   | 419,448 |  
|Less amounts included in fixed charges:                                  |  |                          |         |   |      |   |         |      |  |   |         |   |  |      |         |   |  |   |         |  
|Capitalized interest                                                     |  |                          | (34,583 | ) |      |   | (20,028 | )    |  |   | (6,943  | ) |  |      | (3,065  | ) |  |   | (3,432  | )
|Preference security dividend requirements of consolidated subsidiary (a) |  |                          |        |   |      |   | (1,123  | )    |  |   | (1,739  | ) |  |      | (7,284  | ) |  |   | (7,967  | )
|                                                                         |  |                          |         |   |      |   |         |      |  |   |         |   |  |      |         |   |  |   |         |  
|Total Earnings (Losses) (as defined)                                     |  | $                        | 839,714 |   |      | $ | 864,113 |      |  | $ | 775,418 |   |  | $    | 591,249 |   |  | $ | 624,556 |  
|                                                                         |  |                          |         |   |      |   |         |      |  |   |         |   |  |      |         |   |  |   |         |  
|Fixed charges:                                                           |  |                          |         |   |      |   |         |      |  |   |         |   |  |      |         |   |  |   |         |  
|Interest expensed and capitalized                                        |  | $                        | 269,368 |   |      | $ | 211,129 |      |  | $ | 280,483 |   |  | $    | 440,787 |   |  | $ | 404,505 |  
|Estimated interest component of rental expense                           |  |                          | 4,455   |   |      |   | 4,584   |      |  |   | 4,547   |   |  |      | 5,488   |   |  |   | 6,976   |  
|Preference security dividend requirements of consolidated subsidiary (a) |  |                          |        |   |      |   | 1,123   |      |  |   | 1,739   |   |  |      | 7,284   |   |  |   | 7,967   |  
|                                                                         |  |                          |         |   |      |   |         |      |  |   |         |   |  |      |         |   |  |   |         |  
|Total Fixed Charges (as defined)                                         |  | $                        | 273,823 |   |      | $ | 216,836 |      |  | $ | 286,769 |   |  | $    | 453,559 |   |  | $ | 419,448 |  
|                                                                         |  |                          |         |   |      |   |         |      |  |   |         |   |  |      |         |   |  |   |         |  
|Ratio of Earnings to Fixed Charges (b)                                   |  |                          | 3.07x   |   |      |   | 3.99x   |      |  |   | 2.70x   |   |  |      | 1.30x   |   |  |   | 1.49x   |  
|                                                                         |  |                          |         |   |      |   |         |      |  |   |         |   |  |      |         |   |  |   |         |  



|(a) | The preference security dividend requirement represents the amount of pre-tax earnings required to pay the dividends on outstanding preference securities.
|--- | ----------------------------------------------------------------------------------------------------------------------------------------------------------

|(b) | The ratio of earnings to fixed charges excludes $(4.5) million and $0.5 million of interest expense (benefit) on uncertain tax positions for the years ended December 31, 2008 and
December 31, 2007, respectively, which was recorded as a component of income tax expense.
|--- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------