National Grid

Customers Tracked:
3,081,369
Customers Out:
21,604
Last Updated:
6/19/2026 1:15:46 AM GMT

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New York

CountyCustomers TrackedCustomers Out
Albany148,7035,947
Allegany7,130158
Cattaraugus32,178299
Cayuga96423
Chautauqua41,4172,690
Chenango2012
Clinton9851
Columbia21,3180
Cortland18,55449
Erie288,217568
Essex12,75687
Franklin19,990235
Fulton30,462177
Genesee27,528226
Hamilton6,74233
Herkimer24,68759
Jefferson58,42823
Lewis15,1591
Livingston16,716167
Madison24,15816
Monroe21,687255
Montgomery24,143104
Niagara83,5082
Oneida100,94383
Onondaga204,558712
Ontario4,70059
Orleans19,70672
Oswego57,487113
Otsego3,8421,349
Rensselaer69,042244
Saratoga104,6302,667
Schenectady74,773168
Schoharie14,3161,107
St. Lawrence43,99736
Warren45,7881,211
Washington25,8191,224
Wyoming3,611258

Massachusetts

CountyCustomers TrackedCustomers Out
Berkshire35,680434
Bristol119,0581
Essex281,423327
Franklin8,9381
Hampden30,0910
Hampshire32,3660
Middlesex243,83764
Nantucket14,4676
Norfolk152,462127
Plymouth117,678149
Suffolk34,0580
Worcester312,46870