NorthWestern Energy

Customers Tracked:
500,710
Customers Out:
7
Last Updated:
11/2/2026 12:13:39 PM GMT

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South Dakota

CountyCustomers TrackedCustomers Out
Aurora9950
Beadle8,8780
Bon Homme1,8710
Brown7,0120
Brule2,1160
Charles Mix4,5210
Clark2,2620
Codington1,4300
Davison6,4860
Day2,3570
Deuel150
Douglas1,1330
Edmunds40
Faulk1,1650
Hamlin670
Hand1740
Hughes4760
Hutchinson7,0260
Hyde1,0740
Jerauld3580
Kingsbury2750
Marshall20
Sanborn7650
Spink1,8380
Turner50
Yankton4,8430

Montana

CountyCustomers TrackedCustomers Out
Beaverhead2,5690
Big Horn1,8180
Blaine3,2960
Broadwater2,8103
Carbon7,3910
Cascade17,3294
Chouteau2,8580
Deer Lodge4,7630
Fergus5,0240
Gallatin27,3490
Garfield50
Golden Valley6130
Granite3,8200
Hill7,2730
Jefferson6,7160
Judith Basin1,3870
Lewis And Clark37,6890
Liberty1,0240
Madison11,8760
Meagher2,8510
Mineral4,1790
Missoula19,4330
Musselshell2,0540
Park8,7430
Phillips2,7570
Pondera3,2530
Powell3,3970
Ravalli10,3040
Rosebud1,3360
Sanders4,6550
Silver Bow6,6270
Stillwater2,7620
Sweet Grass1,8360
Teton3,7500
Toole10
Unknown00
Valley3,5140
Wheatland1,2020
Yellowstone8,5810

Wyoming

CountyCustomers TrackedCustomers Out
Park2820
Teton420