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                                                                    EXHIBIT 12.1


Reliant Mid-Atlantic Power Holdings, LLC and Affiliates
Computation of Ratio of Earnings to Fixed Charges
(Thousands of dollars)




                                              PERIOD FROM            PERIOD FROM              PERIOD FROM
                                           NOVEMBER 24, 1999       JANUARY 1, 2000            MAY 12, 2000
                                         TO DECEMBER 31, 2000      TO MAY 11, 2000        TO SEPTEMBER 30, 2000
                                         --------------------      ---------------        ---------------------
                                                                                

Income from continuing operations             (9,678)                 (6,687)                   93,213
Income taxes for continuing operations            --                      --                    65,560
                                              ------                  ------                   -------
                                              (9,678)                 (6,687)                  158,773

Fixed charges, as defined:
     Interest expense                         24,588                  45,538                    51,482
     Interest component of rentals
       charged to operating results               12                      50                     2,082
                                              ------                  ------                   -------
     Total fixed charges                      24,600                  45,588                    53,564
                                              ------                  ------                   -------

Earnings, as defined                          14,922                  38,901                   212,337

Ratio of earnings to fixed charges             0.607                   0.853                     3.964