CONSTELLATION ENERGY GROUP, INC. AND SUBSIDIARIES

                               COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES


                                                                                       12 Months Ended
                                                   --------------------------------------------------------------------------
                                                    March        December      December       December       December       December
                                                     2001          2000          1999           1998           1997           1996
                                                   --------      -------       -------        -------        -------        --------
                                                                               (In Millions of Dollars)
                                                                                                           

Income from Continuing Operations
   (Before Extraordinary Loss and
   Cumulative Effect of Change in
   Accounting Principle)                           $ 376.5       $ 345.3       $ 326.4        $ 305.9        $ 254.1        $ 272.3
Taxes on Income, Including Tax Effect for
      BGE Preference Stock Dividends                 234.0         221.4         182.5          169.3          145.1          148.3
                                                   --------      -------       -------        -------        -------        --------
Adjusted Income                                    $ 610.5       $ 566.7       $ 508.9        $ 475.2        $ 399.2       $  420.6
                                                   --------      -------       -------        -------        -------        --------
Fixed Charges:
      Interest and Amortization of
          Debt Discount and Expense and
          Premium on all Indebtedness              $ 262.7       $ 261.5       $ 245.7        $ 255.3        $ 234.2       $  203.9
      Earnings required for BGE Preference
          Stock Dividends                             21.8          21.9          21.0           33.8           45.1           59.4
      Capitalized Interest                            34.5          21.1           2.7            3.6            8.4           15.7
      Interest Factor in Rentals                       2.0           2.2           1.8            1.9            1.9            1.5
                                                   --------      -------       -------        -------        -------        --------
      Total Fixed Charges                          $ 321.0       $ 306.7       $ 271.2        $ 294.6        $ 289.6       $  280.5


Earnings (1)                                       $ 897.0       $ 852.3       $ 777.4        $ 766.2        $ 680.4       $  685.4
                                                   ========      =======       =======        =======        =======        ========


Ratio of Earnings to Fixed Charges                    2.79          2.78          2.87           2.60           2.35           2.44




(1)  Earnings are deemed to consist of income from continuing operations (before
     extraordinary loss and cumulative effect of change in accounting principle)
     that includes earnings of Constellation Energy's consolidated subsidiaries,
     equity  in the net  income of  unconsolidated  subsidiaries,  income  taxes
     (including deferred income taxes,  investment tax credit  adjustments,  and
     the tax effect of BGE's  preference  stock  dividends),  and fixed  charges
     other than capitalized interest.