NorthWestern Energy

Customers Tracked:
500,710
Customers Out:
7
Last Updated:
9/7/2025 9:25:18 PM GMT

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South Dakota

CountyCustomers TrackedCustomers Out
Aurora5330
Beadle8,8630
Bon Homme1,8060
Brown7,0160
Brule2,1160
Charles Mix4,0060
Clark2,0620
Codington1,4300
Davison6,4860
Day1,9260
Deuel50
Douglas1,1330
Edmunds130
Faulk1,1590
Hamlin240
Hand1540
Hughes4760
Hutchinson7,0250
Hyde7210
Jerauld2470
Kingsbury220
Marshall20
Sanborn7630
Spink1,8250
Turner50
Yankton4,7880

Montana

CountyCustomers TrackedCustomers Out
Beaverhead2,5700
Big Horn1,8770
Blaine3,3160
Broadwater2,7370
Carbon6,2670
Cascade17,8450
Chouteau2,8090
Deer Lodge4,6480
Fergus5,0180
Gallatin24,0140
Garfield50
Golden Valley6080
Granite3,6240
Hill7,2410
Jefferson4,5770
Judith Basin1,3690
Lewis And Clark36,0160
Liberty1,0150
Madison11,6810
Meagher3,0540
Mineral4,3620
Missoula19,4800
Musselshell2,0440
Park3,8180
Phillips2,5600
Pondera3,1900
Powell2,3600
Ravalli9,1037
Rosebud1,3360
Sanders4,2110
Silver Bow5,6520
Stillwater2,3660
Sweet Grass1,5430
Teton3,6780
Toole10
Unknown00
Valley3,2020
Wheatland1,1710
Yellowstone7,8760

Wyoming

CountyCustomers TrackedCustomers Out
Park2260
Teton420