UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                              Washington, DC 20549


                                    FORM 8-K


                             Current Report Pursuant
                          to Section 13 or 15(d) of the
                         Securities Exchange Act of 1934



       Date of report (Date of earliest event reported): October 26, 2005


                               KEYSPAN CORPORATION
             (Exact Name of Registrant as Specified in Its Charter)


                                    New York
                 (State or Other Jurisdiction of Incorporation)


       1-14161                                              11-3431358
(Commission File Number)                       (IRS Employer Identification No.)

175 East Old Country Road, Hicksville, New York                11801
 One MetroTech Center, Brooklyn, New York                      11201
 (Address of Principal Executive Offices)                    (Zip Code)

                           (516) 755-6650 (Hicksville)
                            (718) 403-1000 (Brooklyn)
              (Registrant's Telephone Number, Including Area Code)


                                       N/A
          (Former Name or Former Address, if Changed Since Last Report)





Item 1.01         Entry into a Material Definitive Agreement.
                  -------------------------------------------

     On  October  26,  2005,  KeySpan  Corporation's   ("KeySpan")  wholly-owned
subsidiary,  The  Brooklyn  Union Gas d/b/a  KeySpan  Energy  Delivery  New York
("KEDNY") entered into a Bond Purchase Agreement among the New York State Energy
Research  and  Development  Authority  ("NYSERDA")  and  Morgan  Stanley  &  Co.
Incorporated,  BNY Capital Markets, Inc. Sovereign Securities Corporation,  LLC,
the Williams  Capital Group,  L.P.  (collectively,  the "Series A Underwriters")
with  respect to the  issuance  by NYSERDA of  $82,000,000  aggregate  principal
amount of 4.70% Gas Facilities Revenue Bonds, 2005 Series A (KEDNY Project) (the
"Series A Refunding  Bonds").  The Series A Refunding  Bonds are being issued to
refund NYSERDA's $41,000,000 outstanding principal amount of Adjustable Rate Gas
Facilities   Revenue  Bonds,   Series  1989A  (KEDNY  project)  and  $41,000,000
outstanding  principal  amount of Adjustable Rate Gas Facilities  Revenue Bonds,
Series 1989B (KEDNY project).

     Pursuant  to the  terms of the Bond  Purchase  Agreement  for the  Series A
Refunding  Bonds,  the Series A  Underwriters  will purchase all of the Series A
Refunding Bonds at a price of 100% of the principal amount thereof. The Series A
Underwriters  will be paid a fee in an  amount  equal to 0.50% of the  principal
amount of the Series A Refunding  Bonds,  plus certain out of pocket expenses of
the Series A Underwriters, by KEDNY on November 1, 2005, the closing date of the
Series  A  Refunding  Bonds.   KEDNY  has  agreed  to  indemnify  the  Series  A
Underwriters  and NYSERDA against  certain  liabilities,  including  liabilities
under the federal securities laws. Subject to the initial public offering of the
Series A Refunding Bonds, the Series A Underwriters  reserve the right to change
the public  offering price and yield as they deem  necessary in connection  with
the marketing of the Series A Refunding Bonds.

     Additionally,  on October 26, 2005, KEDNY also entered into a Bond Purchase
Agreement  among the New York State Energy  Research and  Development  Authority
("NYSERDA")  and  Goldman  Sachs & Co.,  BNY  Capital  Markets,  Inc.  Sovereign
Securities Corporation, LLC, the Williams Capital Group, L.P. (collectively, the
"Series B Underwriters")  with respect to the issuance by NYSERDA of $55,000,000
aggregate principal amount of Gas Facilities Revenue Bonds, 2005 Series B (KEDNY
Project)  (the  "Series B Refunding  Bonds").  The Series A Refunding  Bonds are
being issued to refund NYSERDA's $55,000,000 outstanding principal amount of Gas
Facilities Revenue Bonds, Series C (KEDNY project).

     Pursuant  to the  terms of the Bond  Purchase  Agreement  for the  Series B
Refunding  Bonds,  the Series B  Underwriters  will purchase all of the Series B
Refunding Bonds at a price of 100% of the principal amount thereof. The Series B
Underwriters  will be paid a fee of $192,500  by KEDNY on November 1, 2005,  the
closing date of the Series B Refunding Bonds.  KEDNY has agreed to indemnify the
Series  B  Underwriters  and  NYSERDA  against  certain  liabilities,  including
liabilities  under the federal  securities  laws.  Subject to the initial public
offering of the Series B Refunding Bonds, the Series B Underwriters  reserve the
right to change the public  offering  price and yield as they deem  necessary in
connection with the marketing of the Series B Refunding Bonds.


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     Copies of the Bond Purchase Agreements for the Series A Refunding Bonds and
Series B Refunding  Bonds are attached  hereto as Exhibits 10.1 and 10.2 and are
incorporated herein by reference.

Item 9.01.        Financial Statements and Exhibits.
                  ----------------------------------

             (c)  Exhibits.


               (1)  Bond  Purchase  Agreement  for the  issuance  of $82 million
                    aggregate  principal  amount of 4.7% Gas Facilities  Revenue
                    Bonds (The Brooklyn Union Gas d/b/a KeySpan Energy  Delivery
                    New York Project), 2005, Series A

               (2)  Bond  Purchase  Agreement  for the  issuance  of $55 million
                    aggregate  principal amount of Gas Facilities  Revenue Bonds
                    (The Brooklyn  Union Gas d/b/a KeySpan  Energy  Delivery New
                    York Project), 2005, Series B










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                                   SIGNATURES


     Pursuant to the  requirements  of the Securities  Exchange Act of 1934, the
registrant  has duly  caused  this  report  to be  signed  on its  behalf by the
undersigned hereunto duly authorized.



                                              KEYSPAN CORPORATION

Dated: November 1, 2005                       By:    /s/Gerald Luterman
                                                     ------------------
                                              Name:  Gerald Luterman
                                              Title: Executive Vice President
                                                     and Chief Financial Officer











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                                INDEX TO EXHIBITS
                                -----------------


Exhibit No.      Exhibit                                                    Page
- -----------      -------                                                    ----

10.1             Bond Purchase Agreement for the issuance of $82 million      6
                 aggregate  principal  amount  of  4.7%  Gas  Facilities
                 Revenue  Bonds (The  Brooklyn  Union Gas d/b/a  KeySpan
                 Energy Delivery New York Project), 2005, Series A

10.2             Bond Purchase Agreement for the issuance of $55 million      40
                 aggregate  principal  amount of Gas Facilities  Revenue
                 Bonds  (The  Brooklyn  Union Gas d/b/a  KeySpan  Energy
                 Delivery New York Project), 2005, Series B











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