Exhibit 99.1

KEYSPAN                                                         NEWS
- --------------------------------------------------------------------------------
CORPORATION                                            For Immediate Release





Contacts:  Investors                                       Media Relations
           George Laskaris                                 Andrea Staub
           718.403.2526                                    516.545.5052
                                                           516.824.1241 (pager)


                    KEYSPAN APPOINTS ROBERT J. FANI PRESIDENT
                           AND CHIEF OPERATING OFFICER

     Brooklyn,  New York, September 26, 2003 --- KeySpan Corporation  (NYSE:KSE)
today  announced  the  appointment  of  Robert J.  Fani as  President  and Chief
Operating  Officer,  effective October 1, 2003. The appointment was announced by
Robert B. Catell,  Chairman and Chief Executive  Officer,  to whom Mr. Fani will
report.

     "Bob Fani has  distinguished  himself across a spectrum of leadership roles
at KeySpan over the last 27 years.  He brings  leadership and strong  management
skills to the day-to-day  execution of our near and long-term  strategies," said
Mr. Catell.

     Wallace P.  Parker Jr.,  will  continue in his  position  as  President  of
KeySpan's Energy Delivery and Customer  Relationship Group. In this position, he
is responsible  for the Gas Business Unit, the fifth largest natural gas utility
in the  United  States.  He also  will  continue  in his role as CEO of  KeySpan
Services,  Inc., leading KeySpan's Home Energy Services,  Business Solutions and
Communications  businesses.  Mr. Parker brings a strong management background to
his role,  having served the company in a wide variety of  management  positions
since joining KeySpan in 1971.


     Also effective October 1st, Steven L. Zelkowitz,  currently  Executive Vice
President and Chief Administrative Officer at KeySpan, is appointed to President
of  KeySpan's  Energy  Assets and Supply  Group  which  includes  the  company's
electric  business,  energy  trading and supply  business,  and  KeySpan  Energy
Development   Corporation.   As  Chief  Administrative  Officer,  Mr.  Zelkowitz
demonstrates broad industry knowledge coupled with regulatory affairs expertise.






     "These  appointments  are an  important  step  in our  Board's  disciplined
succession  process,  as Messrs.  Fani, Parker and Zelkowitz continue to partner
with me in the Office of the  Chairman,"  said Mr. Catell.  "They  represent the
depth  and  continuity  of  the  KeySpan  leadership  team  and  assure  KeySpan
shareholders of the excellence of our company going forward."



     A member of the  Standard & Poor's 500 Index,  KeySpan  Corporation  (NYSE:
KSE) is the largest distributor of natural gas in the Northeast with 2.5 million
customers,  operating regulated natural gas utilities in New York, Massachusetts
and New  Hampshire  under the KeySpan  Energy  Delivery  service  company.  This
customer focused business is complemented by the Energy Services  business which
offers a portfolio of energy-related  products,  services and solutions to homes
and  businesses  under the KeySpan  Home Energy  Services  and KeySpan  Business
Solutions  companies.  KeySpan  is also  the  largest  investor  owned  electric
generator  in New  York  State.  We own  approximately  6,400  MW of  generating
capacity,  which provides power to 1.1 million LIPA customers on Long Island and
supplies 25% of New York City's  capacity  needs.  In addition to these  assets,
KeySpan  has  strategic  investments  in natural  gas  exploration,  production,
pipeline transportation,  distribution and storage, and Canadian gas processing.
KeySpan  has  headquarters  in  Brooklyn,  Boston  and Long  Island  and  12,000
employees.  For more detailed financial and strategic information,  please visit
our Investor Relations web page at http://investor.keyspanenergy.com.


















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