National Grid

Customers Tracked:
3,081,140
Customers Out:
2,404
Last Updated:
8/30/2026 9:14:47 PM GMT

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New York

CountyCustomers TrackedCustomers Out
Albany148,8501,721
Allegany7,1180
Cattaraugus32,1550
Cayuga9660
Chautauqua41,38818
Chenango2020
Clinton9880
Columbia21,2830
Cortland18,5080
Erie287,6261
Essex12,7450
Franklin20,0010
Fulton30,3940
Genesee27,5280
Hamilton6,7440
Herkimer24,6250
Jefferson58,3720
Lewis15,1580
Livingston16,7000
Madison24,1290
Monroe21,6810
Montgomery24,0710
Niagara83,4250
Oneida100,7870
Onondaga204,46419
Ontario4,6970
Orleans19,6730
Oswego57,4311
Otsego3,8380
Rensselaer68,9305
Saratoga104,6142
Schenectady74,69780
Schoharie14,2971
St. Lawrence43,9560
Warren45,8710
Washington25,8110
Wyoming3,6120

Massachusetts

CountyCustomers TrackedCustomers Out
Berkshire35,6660
Bristol118,9620
Essex281,5341
Franklin8,9530
Hampden30,0740
Hampshire32,3400
Middlesex244,005288
Nantucket14,6000
Norfolk152,81718
Plymouth117,6970
Suffolk34,2721
Worcester312,885248