Exhibit 27
 
                            Financial Data Schedule
 
                    Item 601(c) of Regulation S-K Commercial
              and Industrial Companies Article 5 of Regulation S-X
 
                (dollars in thousands, except per share amounts)


                                                                                                 December 31, 
 Item Number                                      Item Description                                   1993    

- - ------------------- ---------------------------------------------------------------------------- ------------ 
                                                                                           
5-02(1)             cash and cash items.........................................................     127,756 

5-02(1)             cash and cash items-joint ventures..........................................      14,943 

5-02(1)             cash and cash items-restricted..............................................      48,105 

5-02(2)             marketable securities.......................................................         N/A 

5-02(3)(a)(1)       notes and accounts receivable-trade.........................................      21,658 

5-02(4)             allowances for doubtful accounts............................................         N/A 

5-02(6)             inventory...................................................................         N/A 

5-02(9)             total current assets........................................................         N/A 

5-02(13)            property-power plant, net...................................................     458,974 

5-02(13)            property-equipment, net.....................................................       4,540 

5-02(14)            accumulated depreciation-plant..............................................      67,813 

5-02(14)            accumulated depreciation equipment..........................................       4,773 

5-02(18)            total assets................................................................     715,984 

5-02(21)            total current liabilities...................................................         N/A 

5-02(22)            bonds and mortgages and similar debt-senior notes...........................      35,730 

5-02(22)            bonds and mortgages and similar debt-convertible debentures.................     100,000 

5-02(28)            preferred stock-mandatory redemption........................................      58,800 

5-02(29)            preferred stock-no mandatory redemption.....................................         N/A 

5-02(30)            common stock................................................................       2,404 

5-02(31)            other stockholders' equity-additional paid-in capital.......................     100,965 

5-02(31)            other stockholders' equity-retained earnings................................     111,031 

5-02(32)            total liabilities and stockholders' equity..................................     715,984 

5-03(b)1(a)         net sales of tangible products..............................................     132,059 

5-03(b)1            total revenues..............................................................     149,253 

5-03(b)2(a)         cost of tangible goods sold.................................................         N/A 

5-03(b)2            total costs and expenses applicable to sales and revenues-plant operations..      25,362 

5-03(b)3            other costs and expenses-general and administration.........................      13,158 

5-03(b)3            other costs-royalties.......................................................       8,274 

5-03(b)5            provision for doubtful accounts and notes...................................         N/A 

5-03(b)(8)          interest and amortization of debt discount..................................      30,205 

5-03(b)(8)          interest and amortization-capitalized.......................................      (6,816) 

5-03(b)(10)         income before taxes and other items.........................................      61,258 

5-03(b)(11)         income tax expense..........................................................      18,184 

5-03(b)(14)         income continuing operations................................................      43,074 

5-03(b)(15)         discontinued operations.....................................................         N/A 

5-03(b)(17)         extra ordinary items........................................................         N/A 

5-03(b)(18)         cumulative effect-changes in accounting principle...........................       4,100 

5-03(b)(19)         net income..................................................................      47,174 

5-03(b)(20)         earnings per share primary..................................................        1.11 

5-03(b)(20)         earnings per share fully diluted............................................        1.11