CONSTELLATION ENERGY GROUP, INC. AND SUBSIDIARIES

                COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES




                                                                           12 Months Ended
                                          -----------------------------------------------------------------------------------------
                                                 September      December       December       December       December      December
                                                   1999           1998          1997            1996           1995          1994
                                               ------------  -------------  ------------   ------------   ------------   -----------
                                                                              (In Millions of Dollars)

                                                                                                     
Net Income                                $        300.1  $       305.9  $      254.1  $       272.3  $       297.4  $       283.7
Taxes on Income, Including Tax Effect for
      BGE Preference Stock Dividends               166.8          169.3         145.1          148.3          152.0          137.6
                                              ------------  -------------  ------------   ------------   ------------   ------------
Adjusted Net Income                       $        466.9  $       475.2  $      399.2  $       420.6  $       449.4  $       421.3
                                              ------------  -------------  ------------   ------------   ------------   ------------
Fixed Charges:
      Interest and Amortization of
          Debt Discount and Expense and
          Premium on all Indebtedness     $        252.1  $       255.3  $      234.2  $       203.9  $       206.7  $       204.2
      Earnings required for BGE Preference
          Stock Dividends                           21.0           33.8          45.1           59.4           61.0           59.0
      Capitalized Interest                           2.3            3.6           8.4           15.7           15.0           12.4
      Interest Factor in Rentals                     1.8            1.9           1.9            1.5            2.1            2.0
                                              ------------  -------------  ------------   ------------   ------------   ------------
      Total Fixed Charges                 $        277.2  $       294.6  $      289.6  $       280.5  $       284.8  $       277.6
                                              ------------  -------------  ------------   ------------   ------------   ------------


Earnings (1)                              $        741.8  $       766.2  $      680.4  $       685.4  $       719.2  $       686.5
                                              ============  =============  ============   ============   ============   ============


Ratio of Earnings to Fixed Charges                  2.68           2.60          2.35           2.44           2.52           2.47




(1)   Earnings  are deemed to consist of net income  that  includes  earnings of
      Constellation Energy's consolidated subsidiaries, equity in the net income
      of BGE's  unconsolidated  subsidiary,  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.