KEYSPAN GAS EAST CORPORATION

                                POWER OF ATTORNEY



            WHEREAS,  KeySpan Gas East Corporation,  a New York corporation (the
"Company"),  intends to file with the Securities and Exchange  Commission  under
the Securities  Exchange Act of 1934, as amended,  an Annual Report on Form 10-K
as  prescribed  by said  Commission  pursuant  to said  Act  and the  rules  and
regulations promulgated thereunder.

            NOW,  THEREFORE,  in my capacity either as a director or officer, or
both as the case may be, of the Company,  I do hereby appoint ANNE C. JORDAN and
PAUL R. NICK and each of them severally,  as my attorneys-in-fact  with power to
execute in my name and place,  and in my  capacity as a  director,  officer,  or
both,  as the case may be, of KeySpan Gas East  Corporation,  said  Report,  any
amendment  to said  Report  and  any  other  documents  required  in  connection
therewith, and to file the same with the Securities and Exchange Commission.

            IN WITNESS WHEREOF, I have executed this power of attorney this 13th
day of April, 2000.




                                /s/Wallace P. Parker, Jr.
                                ------------------------
                                Wallace P. Parker, Jr.
                                Director















<PAGE>







                          KEYSPAN GAS EAST CORPORATION

                                POWER OF ATTORNEY



            WHEREAS,  KeySpan Gas East Corporation,  a New York corporation (the
"Company"),  intends to file with the Securities and Exchange  Commission  under
the Securities  Exchange Act of 1934, as amended,  an Annual Report on Form 10-K
as  prescribed  by said  Commission  pursuant  to said  Act  and the  rules  and
regulations promulgated thereunder.

            NOW,  THEREFORE,  in my capacity either as a director or officer, or
both as the case may be, of the Company,  I do hereby appoint ANNE C. JORDAN and
PAUL R. NICK and each of them severally,  as my attorneys-in-fact  with power to
execute in my name and place,  and in my  capacity as a  director,  officer,  or
both,  as the case may be, of KeySpan Gas East  Corporation,  said  Report,  any
amendment  to said  Report  and  any  other  documents  required  in  connection
therewith, and to file the same with the Securities and Exchange Commission.

            IN WITNESS WHEREOF, I have executed this power of attorney this 13th
day of April, 2000.




                             /s/George B. Jongeling
                             ----------------------
                             George B. Jongeling
                             Director



Exhibit 24.2

                                 WRITTEN CONSENT
                            OF THE BOARD OF DIRECTORS
                                       OF
                          KEYSPAN GAS EAST CORPORATION
                       D/B/A BROOKLYN UNION OF LONG ISLAND


      The  undersigned,   being  all  of  the  Directors  of  KeySpan  Gas  East
Corporation  d/b/a Brooklyn Union of Long Island,  a New York  corporation  (the
"Corporation"),  acting by written consent without a meeting pursuant to Section
708(b) of the New York Business Corporation Law, hereby adopt the following:

      RESOLVED,  That the proper officers of the Corporation be, and hereby are,
      and each of them with the full  authority  without  the others  hereby is,
      authorized,  empowered  and  directed,  in the name and on  behalf  of the
      Corporation,  to execute  the  Corporation's  Form 10-K for the year ended
      December 31,  1999,  and to execute any  amendment  to such Form 10-K,  to
      procure all necessary  signatures thereon,  and to file such Form 10-K and
      any  amendment  when  so  executed  (together  with  appropriate  exhibits
      thereto) with the Securities Exchange Commission;

      RESOLVED,  That the proper  officers of the Corporation  are,  authorized,
      empowered  and  directed in the name and on behalf of the  Corporation  to
      execute and deliver any and all such documents, certificates, instruments,
      agreements, or regulatory filing, including any amendments, modifications,
      or  supplements  thereto,  and to take all such further action as any such
      officer  or  other  such  authorized   person  deems  necessary,   proper,
      convenient,  or desirable in order to carry out the foregoing  resolutions
      and to effectuate the purposes and intents thereof, the taking of any such
      action to be conclusive  evidence of the approval thereof by the directors
      of the Corporation; and

      RESOLVED,  that the  President  and  Chief  Executive  Officer,  the Chief
      Financial Officer, any Vice President, the Treasurer, the Controller,  the
      Chief  Accounting  Officer or the Secretary of the Corporation be and each
      of them shall be  considered  a proper  officer for each of the  foregoing
      resolutions; and

      FURTHER  RESOLVED,  That all actions  previously  taken and all documents,
      instruments, certificates and the like previously executed by directors or
      officers of the Corporation or other authorized persons in connection with
      the matters  referred to in the foregoing  resolutions be hereby approved,
      ratified and confirmed in all respects.




<PAGE>


      IN WITNESS WHEREOF,  the undersigned have executed this Written Consent as
      of this 13th day of April, 2000.

                                          /s/Wallace P. Parker, Jr.
                                          -------------------------
                                          Wallace P. Parker, Jr., Director

                                          /s/George B. Jongeling
                                          ----------------------
                                          George B. Jongeling, Director