EXHIBIT 12

ALLEGHENY ENERGY, INC. 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 (loss) from continuing operations                                      |  | $                        | 318,735 |   |      | $ | 75,14   |      |  | $ | 129,732 |   |  | $    | (308,875 | ) |  | $ | (465,749 | )
|Exclude amounts reflected in line above:                                      |  |                          |         |   |      |   |         |      |  |   |         |   |  |      |          |   |  |   |          |  
|Income tax expense (benefit)                                                  |  |                          | 173,543 |   |      |   | 64,77   |      |  |   | 79,669  |   |  |      | (202,170 | ) |  |   | (313,112 | )
|Minority interest in income (loss) of subsidiaries                            |  |                          | 2,562   |   |      |   | 587     |      |  |   | (882    | ) |  |      | (7,174   | ) |  |   | (13,509  | )
|Preferred dividends of subsidiary                                             |  |                          | 1,172   |   |      |   | 4,071   |      |  |   | 5,037   |   |  |      | 5,037    |   |  |   | 5,037    |  
|Amortization of capitalized interest                                          |  |                          | 1,644   |   |      |   | 2,695   |      |  |   | 2,288   |   |  |      | 1,592    |   |  |   | 852      |  
|Loss (income) from unconsolidated equity investees                            |  |                          | (325    | ) |      |   | 770     |      |  |   | 663     |   |  |      | 948      |   |  |   | 33,767   |  
|Add fixed charges (see below)                                                 |  |                          | 286,769 |   |      |   | 453,559 |      |  |   | 419,448 |   |  |      | 454,461  |   |  |   | 299,343  |  
|Less amounts included in fixed charges:                                       |  |                          |         |   |      |   |         |      |  |   |         |   |  |      |          |   |  |   |          |  
|Capitalized interest                                                          |  |                          | (6,943  | ) |      |   | (3,065  | )    |  |   | (3,432  | ) |  |      | (15,394  | ) |  |   | (12,628  | )
|Preference security dividend requirements of consolidated subsidiary (Note 1) |  |                          | (1,739  | ) |      |   | (7,284  | )    |  |   | (7,967  | ) |  |      | (8,233   | ) |  |   | (8,284   | )
|                                                                              |  |                          |         |   |      |   |         |      |  |   |         |   |  |      |          |   |  |   |          |  
|Total Earnings (as defined)                                                   |  | $                        | 775,418 |   |      | $ | 591,249 |      |  | $ | 624,556 |   |  | $    | (79,808  | ) |  | $ | (474,283 | )
|                                                                              |  |                          |         |   |      |   |         |      |  |   |         |   |  |      |          |   |  |   |          |  
|Fixed charges:                                                                |  |                          |         |   |      |   |         |      |  |   |         |   |  |      |          |   |  |   |          |  
|Interest expensed and capitalized                                             |  | $                        | 280,483 |   |      | $ | 440,787 |      |  | $ | 404,505 |   |  | $    | 439,482  |   |  | $ | 280,298  |  
|Estimated interest component of rental expense                                |  |                          | 4,547   |   |      |   | 5,488   |      |  |   | 6,976   |   |  |      | 6,746    |   |  |   | 10,761   |  
|Preference security dividend requirements of consolidated subsidiary (Note 1) |  |                          | 1,739   |   |      |   | 7,284   |      |  |   | 7,967   |   |  |      | 8,233    |   |  |   | 8,284    |  
|                                                                              |  |                          |         |   |      |   |         |      |  |   |         |   |  |      |          |   |  |   |          |  
|Total Fixed Charges (as defined)                                              |  | $                        | 286,769 |   |      | $ | 453,559 |      |  | $ | 419,448 |   |  | $    | 454,461  |   |  | $ | 299,343  |  
|                                                                              |  |                          |         |   |      |   |         |      |  |   |         |   |  |      |          |   |  |   |          |  
|Ratio of Earnings to Fixed Charges                                            |  |                          | 2.70x   |   |      |   | 1.30x   |      |  |   | 1.49x   |   |  |      | (Note 2) |   |  |   | (Note 2) |  
|                                                                              |  |                          |         |   |      |   |         |      |  |   |         |   |  |      |          |   |  |   |          |  

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Notes:

|1 | The preference security dividend requirement represents the amount of pre-tax earnings required to pay the dividends on outstanding preference securities of a subsidiary held by
non-affiliates.
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|2 | For the years ended December 31, 2003 and 2002, there are deficiencies of earnings to cover fixed charges of $534,269 and $773,626, respectively.
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