National Grid

Customers Tracked:
3,080,778
Customers Out:
17,780
Last Updated:
9/3/2026 2:19:23 AM GMT

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New York

CountyCustomers TrackedCustomers Out
Albany148,7600
Allegany7,125907
Cattaraugus32,1703,710
Cayuga967123
Chautauqua41,374231
Chenango2020
Clinton9900
Columbia21,2830
Cortland18,51538
Erie287,6143,280
Essex12,7442
Franklin20,0010
Fulton30,4000
Genesee27,5342,638
Hamilton6,7440
Herkimer24,6290
Jefferson58,3765
Lewis15,1540
Livingston16,705478
Madison24,1550
Monroe21,719596
Montgomery24,0800
Niagara83,4051,678
Oneida100,7550
Onondaga204,3673
Ontario4,698316
Orleans19,6652,222
Oswego57,4260
Otsego3,8340
Rensselaer68,9470
Saratoga104,5991
Schenectady74,6890
Schoharie14,2961
St. Lawrence43,9400
Warren45,8442
Washington25,8100
Wyoming3,6141,388

Massachusetts

CountyCustomers TrackedCustomers Out
Berkshire35,6580
Bristol118,9480
Essex281,5051
Franklin8,9520
Hampden30,0640
Hampshire32,3330
Middlesex243,9841
Nantucket14,6000
Norfolk152,7395
Plymouth117,677154
Suffolk34,2680
Worcester312,9200