<ARTICLE>                     5
<MULTIPLIER>                                   1,000
       
                             
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                              DEC-31-1998
<PERIOD-START>                                 JAN-01-1998
<PERIOD-END>                                   DEC-31-1998
<CASH>                                         55,708
<SECURITIES>                                   0
<RECEIVABLES>                                  80,281
<ALLOWANCES>                                   1,688
<INVENTORY>                                    0
<CURRENT-ASSETS>                               149,538
<PP&E>                                         4,093,464
<DEPRECIATION>                                 169,272
<TOTAL-ASSETS>                                 4,314,333
<CURRENT-LIABILITIES>                          130,575
<BONDS>                                        2,008,716
<PREFERRED-MANDATORY>                          0
<PREFERRED>                                    397,500
<COMMON>                                       599
<OTHER-SE>                                     1,776,943
<TOTAL-LIABILITY-AND-EQUITY>                   4,314,333
<SALES>                                        498,001
<TOTAL-REVENUES>                               514,187
<CGS>                                          154,323
<TOTAL-COSTS>                                  246,028
<OTHER-EXPENSES>                               20,776
<LOSS-PROVISION>                               0
<INTEREST-EXPENSE>                             97,011
<INCOME-PRETAX>                                126,037
<INCOME-TAX>                                   0
<INCOME-CONTINUING>                            126,037
<DISCONTINUED>                                 0
<EXTRAORDINARY>                                387
<CHANGES>                                      0
<NET-INCOME>                                   95,558
<EPS-PRIMARY>                                  1.74
<EPS-DILUTED>                                  1.74