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|MCN ENERGY ENTERPRISES INC. AND SUBSIDIARIES      |  | EXHIBIT 12-2
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|COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES
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|(DOLLARS IN THOUSANDS)                           

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|--------------------------------------------------- | ------------------------ | - | ------------- | ------ |  | ------------ | ------------- | ------- | ------------ | ------------- | -------- | ------------ | ------------- | - | ------------ | ------------- |  | - | ------ | ------ | 
|                                                    |                          |   |               |        |  |              | Twelve Months |         |              | Twelve Months |          |              | Twelve Months |   |              | Twelve Months | 
|                                                    |                          |   | Twelve Months |        |  | Ended        |               |         | Ended        |               |          | Ended        |               |   | Ended        |              
|                                                    |                          |   | Ended         |        |  | December 31, |               |         | December 31, |               |          | December 31, |               |   | December 31, |              
|                                                    |                          |   | December 31,  |        |  | 1999         |               |         | 1998         |               |          | 1997         |               |   | 1996         |              
|                                                    |                          |   | 2000          |        |  | (Restated)*  |               |         | (Restated)*  |               |          | (Restated)*  |               |   | (Restated)*  |              
|                                                    |                          |   |               |        |  |              |               |         |              |               |          |              |               |   |              |              
|EARNINGS AS  DEFINED (1)
Pre-tax income (loss)      |                          | $ | 15,959        |        |  | $            | (194,046      | )       |              | $             | (623,322 | )            |               | $ | 2,626        |               |  | $ | 46,203 |       
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|Fixed charges (2)                                   |                          |   | 92,438        |        |  |              | 96,007        |         |              |               | 92,822   |              |               |   | 65,891       |               |  |   | 41,628 |       
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|Earnings as defined                                 |                          | $ | 108,397       |        |  | $            | (98,039       | )       |              | $             | (530,500 | )            |               | $ | 68,517       |               |  | $ | 87,831 |       
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|FIXED CHARGES
AS   DEFINED (1)
Interest, expensed   |                          | $ | 90,682        |        |  | $            | 94,236        |         |              | $             | 90,451   |              |               | $ | 64,434       |               |  | $ | 40,523 |       
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|Interest, capitalized                               |                          |   | 1,043         |        |  |              | 6,408         |         |              |               | 15,239   |              |               |   | 15,002       |               |  |   | 8,002  |       
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|Amortization of debt discounts, premium
and expense |                          |   | 1,729         |        |  |              | 1,607         |         |              |               | 1,915    |              |               |   | 1,183        |               |  |   | 982    |       
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|Interest implicit in rentals                        |                          |   | 27            |        |  |              | 164           |         |              |               | 456      |              |               |   | 274          |               |  |   | 123    |       
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|                                                    | Fixed charges as defined |   | $             | 93,481 |  |              | $             | 102,415 |              |               | $        | 108,061      |               |   | $            | 80,893        |  |   | $      | 49,630 | 
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|Ratio of Earnings to Fixed Charges                  |                          |   | 1.16          |        |  |              |               |         |              |               |          |              |               |   | .85          |               |  |   | 1.77   |       
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|Coverage Deficiency                                 |                          |   |               |        |  | $            | 200,454       |         |              | $             | 638,561  |             
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---

|*   |  | Income has been restated in the appropriate accounting periods to
reflect the new method of accounting for inventory as described in Note 3
to the Consolidated Financial Statements.
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|(1) |  | Earnings and fixed charges are defined and computed in accordance with Item
503 of Regulation S-K.                                                                                   
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|(2) |  | Fixed charges added to earnings are adjusted to exclude interest
capitalized during the period.