National Grid

Customers Tracked:
3,084,938
Customers Out:
8,486
Last Updated:
3/18/2026 7:14:21 AM GMT

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New York

CountyCustomers TrackedCustomers Out
Albany149,009259
Allegany7,1440
Cattaraugus32,2780
Cayuga9630
Chautauqua41,4581
Chenango2030
Clinton98020
Columbia21,3620
Cortland18,5910
Erie288,8480
Essex12,693326
Franklin19,95090
Fulton30,538111
Genesee27,5400
Hamilton6,711905
Herkimer24,7090
Jefferson58,3650
Lewis15,1610
Livingston16,7210
Madison24,1600
Monroe21,8300
Montgomery24,2661
Niagara83,7490
Oneida101,3140
Onondaga204,9610
Ontario4,7010
Orleans19,7370
Oswego57,5570
Otsego3,8360
Rensselaer69,20215
Saratoga104,4831,019
Schenectady74,992737
Schoharie14,3387
St. Lawrence44,0550
Warren45,6744,252
Washington25,83787
Wyoming3,6150

Massachusetts

CountyCustomers TrackedCustomers Out
Berkshire35,5986
Bristol119,2602
Essex281,65918
Franklin8,9290
Hampden30,081125
Hampshire32,3846
Middlesex244,26823
Nantucket14,3900
Norfolk152,4522
Plymouth117,64688
Suffolk33,9300
Worcester312,810386