Exhibit 23           Consent of Arthur Andersen, LLP, Independent Accountants


CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS

As independent  public  accountants,  we hereby consent to the  incorporation by
reference  in  this  registration   statement,   as  amended  (Registration  No.
333-53657)   of  our  report  dated   January  25,  2001   included  in  KeySpan
Corporation's Form 10-K for the year ended December 31, 2000.

/s/ Arthur Andersen LLP
ARTHUR ANDERSEN LLP


New York, New York
April 11, 2001