National Grid

Customers Tracked:
3,080,963
Customers Out:
2,308
Last Updated:
6/11/2026 11:48:57 PM GMT

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New York

CountyCustomers TrackedCustomers Out
Albany148,6142
Allegany7,1250
Cattaraugus32,181339
Cayuga9612
Chautauqua41,4040
Chenango2010
Clinton9860
Columbia21,313783
Cortland18,5501
Erie288,2453
Essex12,7580
Franklin19,9860
Fulton30,4612
Genesee27,52618
Hamilton6,7410
Herkimer24,6850
Jefferson58,4460
Lewis15,1490
Livingston16,7120
Madison24,1580
Monroe21,6890
Montgomery24,1200
Niagara83,5170
Oneida100,9471
Onondaga204,491111
Ontario4,7003
Orleans19,70497
Oswego57,469205
Otsego3,8420
Rensselaer69,0100
Saratoga104,5990
Schenectady74,7931
Schoharie14,3150
St. Lawrence44,0140
Warren45,7790
Washington25,8110
Wyoming3,6120

Massachusetts

CountyCustomers TrackedCustomers Out
Berkshire35,68068
Bristol119,0870
Essex281,380335
Franklin8,9325
Hampden30,08923
Hampshire32,3760
Middlesex243,802108
Nantucket14,4630
Norfolk152,438167
Plymouth117,6595
Suffolk34,0610
Worcester312,38229