|                                                                                         |   | Year Ended December      31, |    |         | Twelve      Months Ended |         |   | Nine Months      Ended  |    |
|----------------------------------------------------------------------------------------------|--------|------------------------------|---------|--------------|--------------------------|--------------|--------|-----------------------------------|---------|
|                                                                                         |   | 2004                         |    | 2005         |                     | 2006         |   | 2007                              |    | 2008 |   |   | 9/30/2009 |   |   | 9/30/2009 |   |
|  EARNINGS                                                                               |   |                    |    |    |                     |    |   |                         |    |    |   |   |   |   |   |   |   |
| Income      Before Income Taxes and      Equity Earnings                                |   | $                            | 127,417 |         | $                        | 114,341      |   | $                                 | 138,289 |   | $ | 87,333 |   | $ | 129,489 |   | $ | 176,699 |   | $  | 137,903 |   |
| Fixed      Charges (as below)                                                                |   |                         | 58,094  |         |                     | 55,808       |   |                              | 63,242  |   |   | 79,435 |   |   | 119,516 |   |   | 122,646 |   |   | 78,260 |   |
| Total      Earnings                                                                          |   | $                            | 185,511 |         | $                        | 170,149      |   | $                                 | 201,531 |   | $ | 166,768 |   | $ | 249,005 |   | $  | 299,345 |   | $  | 216,163 |   |
|                                                                                         |   |                         |    |         |                     |         |   |                              |    |   |   |   |   |   |   |   |   |   |   |   |   |   |
| FIXED      CHARGES                                                                           |   |                         |    |         |                     |         |   |                              |    |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Interest      Expense                                                                        |   | $                            | 54,261  |         | $                        | 50,089       |   | $                                 | 55,213  |   | $ | 60,619 |   | $ | 93,150 |   | $  | 87,973 |   | $  | 51,894 |   |
| Credit      for Allowance for Borrowed Funds         Used During Construction |   |                         | 312     |         |                     | 1,198        |   |                              | 2,208   |   |   | 9,795 |   |   | 19,800 |   |   | 27,973 |   |   | 21,341 |   |
| Trust      Dividends                                                                         |   |                         | (179    | )            |                     | (179         | )      |                              | (179    | ) |   | (179 | ) |   | (134 | )  |   | - |   |   | - |   |
| Estimated      Interest Element in Lease Rentals                                             |   |                         | 3,700   |         |                     | 4,700        |   |                              | 6,000   |   |   | 9,200 |   |   | 6,700 |   |   | 6,700 |   |   | 5,025 |   |
| Total      Fixed Charges                                                                     |   | $                            | 58,094  |         | $                        | 55,808       |   | $                                 | 63,242  |   | $ | 79,435 |   | $ | 119,516 |   | $  | 122,646 |   | $  | 78,260 |   |
|                                                                                         |   |                         |    |         |                     |         |   |                              |    |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Ratio      of Earnings to Fixed Charges                                                      |   |                         | 3.19    |         |                     | 3.04         |   |                              | 3.18    |   |   | 2.09 |   |   | 2.08 |   |   | 2.44 |   |   | 2.76 |   |