<DOCUMENT>
<TYPE>EX-12
<SEQUENCE>3
<FILENAME>becoexh120601.txt
<TEXT>
<TABLE>
<CAPTION>

                                                Exhibit 12.1


                    Boston Edison Company
      Computation of Ratio of Earnings to Fixed Charges
              Twelve Months Ended June 30, 2001
                       (in thousands)


<S>                                           <C>

Net income from continuing operations            $ 159,911
Income taxes                                       109,608
Fixed charges (including securitization            127,928
  certificates)
   Total                                         $ 397,447
                                                  ========
Interest expense                                 $ 112,828
Interest component of rentals                       15,100
   Total                                         $ 127,928
                                                  ========
Ratio of earnings to fixed charges                    3.11
                                                      ====
</TABLE>

<TABLE>
<CAPTION>

                                                Exhibit 12.2


                    Boston Edison Company
      Computation of Ratio of Earnings to Fixed Charges
          and Preferred Stock Dividend Requirements
              Twelve Months Ended June 30, 2001
                       (in thousands)


<S>                                            <C>
Net income from continuing operations            $ 159,911
Income taxes                                       109,608
Fixed charges (including securitization            127,928
  certificates)
   Total                                         $ 397,447
                                                  ========
Interest expense                                 $ 112,828
Interest component of rentals                       15,100
   Subtotal                                      $ 127,928
                                                  ========
Preferred stock dividend requirements               10,046
   Total                                         $ 137,974
                                                  ========
Ratio of earnings to fixed charges                    2.88
                                                      ====
</TABLE>

</TEXT>
</DOCUMENT>