NorthWestern Energy
Electricity Rates, Plans & Statistics
About NorthWestern Energy
NorthWestern Energy supplies electricity to 3 states throughout the nation. Electricity companies must regularly report the total number of customers they have to government agencies. On the most recent reports the provider disclosed 453,115 customers receiving their services. Around 0.45% of these customers are industrial properties, 19.50% are commercial accounts and 80.05% are residential accounts. The average residential electricity price for customers of NorthWestern Energy is around 12.06 cents per kilowatt hour. This is 10.50% lower than the national average price of 13.47 cents. They sold 2,326,804 megawatt hours through wholesale channels to other electricity suppliers in 2020. Electricity generation and wholesale power purchases made up 46.32% and 53.47%, respectively, of the total electricity sourced by the company. Electricity plants the company owns produced 4,921,994 megawatt hours and an additional 5,681,277 megawatt hours were acquired by way of wholesale channels. NorthWestern Energy made $1,050,012,900 in 2020. Exactly $87,872,600 of that revenue came from electricity sales on the wholesale market and $876,747,900 came from sales to retail electricity customers.
Customers of the company pay an average monthly residential power bill of $91.14. This is 23.61% lower than the national average of $119.32. Electricity plants owned by NorthWestern Energy produce 5,059,211.02 megawatt hours, which is the 176th highest in the US out of 3510 suppliers. Electricity production facilities owned by the company use non-renewable fuels to generate 40.01% of their total electricity generation, or 2,024,330.02 megawatt hours. They rank 197th out of 3510 companies in the nation. Wind turbines operated by the supplier generate 496,075 megawatt hours, which is 9.81% of the electricity generation by the supplier.
Luckily, NorthWestern Energy offers net metering choices to consumers. Without net metering, solar panel installation is significantly less attractive economically, as consumers have no way to sell extra electricity back into the grid.
Energy loss is a fact of life when working with electricity transmission. NorthWestern Energy currently averages a loss of around 6.05% of the total electricity they produce. These averages allow us to compare the grid efficiencies of the providers who operate around the United States. NorthWestern Energy has received a ranking of 1154th best out of 3510 providers who report energy loss in the US.
NorthWestern Energy Rate & Electric Bills
NorthWestern Energy residential electric rates are highest in January and the highest average bill is in October.
Historical Electricity Rates:
NorthWestern Energy Overview
- Company Type:
Investor Owned
- Headquarters:
11 East Park Street
Butte, Montana 59701
United States of America
NorthWestern Energy Contact
- Website: www.northwesternenergy.com
- Customer Service Phone: (800) 245-6977
- Contact Page: contactus.northwesternenergy.com
- Social Media:
NorthWestern Energy Service
- Rates & Plans: www.northwesternenergy.com
- States Served:
- Montana
- South Dakota
- Wyoming
- Counties Served:
- Yellowstone County
- Gallatin County
- Missoula County
- Flathead County
- Cascade County
- Major Cities Served: See all cities
- Table Of Contents:
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About NorthWestern Energy
NorthWestern Energy is 21st out of 3510 electricity suppliers in the country in megawatt hours produced from hydroelectric power use.
NorthWestern Energy is the 124th largest electricity company out of 3510 electricity companies in the United States based on megawatt hours sold.
NorthWestern Energy generates 1,988,929.93 megawatt hours of electricity from the use of coal, ranking NorthWestern Energy 124th out of 3510 suppliers in the country.
NorthWestern Energy generates 3,034,881 megawatt hours (or 59.99% of their total production) from the use of renewable fuel sources in their power plants.
NorthWestern Energy's electricity production plants produce 30,570.47 megawatt hours from the use of natural gas.



Energy Loss
NorthWestern Energy's energy loss due to business operations.
Total Energy Loss
643,092 MWh
1154 National Rank
NorthWestern Energy Energy Makeup
NorthWestern Energy Coverage Map

NorthWestern Energy State Coverage
State
| Customers
| Sales ($)
| State Rank Based On Revenue
| % of Provider's Residential Sales in State
|
---|---|---|---|---|
Montana | 388,553 | 729,241,175 | 1 | 83.47% |
South Dakota | 64,018 | 170,498,000 | 4 | 16.5% |
Wyoming | 544 | 4,110,980 | 22 | 0.04% |
NorthWestern Energy County Coverage
County
| Population
| Providers
| Avg. County Rate (¢)
| Avg. Electric Bill
|
---|---|---|---|---|
Aurora County | 2,747 | 3 | 11.97 | $145.05/mo |
Beadle County | 19,149 | 2 | 13.01 | $168.14/mo |
Beaverhead County | 9,371 | 2 | 9.97 | $103.06/mo |
Big Horn County | 13,124 | 6 | 12.20 | $105.98/mo |
Big Stone County | 5,166 | 4 | 12.01 | $189.63/mo |
Blaine County | 7,044 | 3 | 12.57 | $101.59/mo |
Bon Homme County | 7,003 | 3 | 11.30 | $134.73/mo |
Broadwater County | 6,774 | 2 | 9.97 | $103.07/mo |
Brookings County | 34,375 | 8 | 11.37 | $130.63/mo |
Brown County | 38,301 | 5 | 11.04 | $140.99/mo |
Power Plants Owned by NorthWestern Energy
Plant
| City/County
| State
| Primary Fuel Type
| Production (MWh)
| Emission (kg)
| Emissions/MWh
| Toxic Chemical Release
| Closing Date
|
---|---|---|---|---|---|---|---|---|
Colstrip | MT | Coal | 10,010,332 | 10,402,443,379.64 | 1,039.17 | Yes | ||
Mercer County | ND | Coal | 2,464,159 | 2,807,133,176.46 | 1,139.19 | |||
Big StoneNorthWestern Energy (23.40%)Montana-Dakota Utilities Co (22.70%)Otter Tail Power Company (53.90%)
| Grant County | SD | Coal | 1,640,595.01 | 1,637,301,933.83 | 997.99 | Yes | |
George Neal SouthNorthWestern Energy (8.68%)Graettinger, Iowa Electric Utility (0.17%)Northwest Iowa Power Cooperative (4.86%)Cedar Falls Electric Utility (2.50%)Webster City Utilities (2.60%)Interstate Power and Light (25.70%)Milford Electric (0.35%)Grundy Center Municipal Utilities (0.33%)Corn Belt Power Cooperative (8.70%)Laurens Municipal Power and Communications (0.52%)Spencer Municipal Utilities (1.21%)Bancroft Municipal Utilities (0.35%)MidAmerican Energy (40.57%)Algona Municipal Utilities (2.94%)Coon Rapids Municipal Utilities (0.52%)
| Woodbury County | IA | Coal | 1,448,006 | 1,411,074,556.22 | 974.49 | ||
Thompson FallsNorthWestern Energy (100.00%)
| Sanders County | MT | Conventional Hydroelectric | 480,176 | ||||
Cascade County | MT | Conventional Hydroelectric | 459,044 | |||||
Rainbow (MT)NorthWestern Energy (100.00%)
| Cascade County | MT | Conventional Hydroelectric | 402,133 | ||||
Beethoven WindNorthWestern Energy (100.00%)
| Bon Homme County | SD | Wind | 309,749 | ||||
Cascade County | MT | Conventional Hydroelectric | 307,622 | |||||
CochraneNorthWestern Energy (100.00%)
| Cascade County | MT | Conventional Hydroelectric | 302,298 |
NorthWestern Energy Fuel Makeup
Cities NorthWestern Energy Has Coverage
- Aberdeen, SD
- Albee, SD
- Alberton, MT
- Alexandria, SD
- Alpena, SD
- Altamont, SD
- Andover, SD
- Arlington, SD
- Armour, SD
- Artesian, SD
- Ashton, SD
- Astoria, SD
- Avon, SD
- Badger, SD
- Bancroft, SD
- Bearcreek, MT
- Belgrade, MT
- Belt, MT
- Big Sandy, MT
- Big Stone City, SD
- Big Timber, MT
- Billings, MT
- Blunt, SD
- Boulder, MT
- Bowdle, SD
- Bozeman, MT
- Bradley, SD
- Brandt, SD
- Brentford, SD
- Bridger, MT
- Bridgewater, SD
- Bristol, SD
- Britton, SD
- Broadland, SD
- Broadview, MT
- Brookings, SD
- Browning, MT
- Bruce, SD
- Bryant, SD
- Bushnell, SD
- Butler, SD
- Butte-Silver Bow, MT
- Canova, SD
- Carthage, SD
- Cascade, MT
- Castlewood, SD
- Cavour, SD
- Chamberlain, SD
- Chelsea, SD
- Chester, MT
- Chinook, MT
- Choteau, MT
- Claremont, SD
- Clark, SD
- Clear Lake, SD
- Clinton, MN
- Clyde Park, MT
- Colstrip, MT
- Columbia, SD
- Columbia Falls, MT
- Columbus, MT
- Conde, SD
- Conrad, MT
- Corona, SD
- Corsica, SD
- Cresbard, SD
- Cut Bank, MT
- Dante, SD
- Darby, MT
- De Smet, SD
- Deer Lodge, MT
- Delmont, SD
- Denton, MT
- Dillon, MT
- Dimock, SD
- Dodson, MT
- Doland, SD
- Dolton, SD
- Drummond, MT
- Dutton, MT
- East Helena, MT
- Emery, SD
- Ennis, MT
- Erwin, SD
- Estelline, SD
- Ethan, SD
- Fairfield, MT
- Farmer, SD
- Faulkton, SD
- Florence, SD
- Forsyth, MT
- Fort Benton, MT
- Fort Peck, MT
- Fort Pierre, SD
- Frankfort, SD
- Frederick, SD
- Freeman, SD
- Fromberg, MT
- Fulton, SD
- Garden City, SD
- Gary, SD
- Geddes, SD
- Geraldine, MT
- Glasgow, MT
- Goodwin, SD
- Grass Range, MT
- Great Falls, MT
- Grenville, SD
- Groton, SD
- Hamilton, MT
- Hardin, MT
- Harlem, MT
- Harlowton, MT
- Harrold, SD
- Havre, MT
- Hayti, SD
- Hazel, SD
- Hecla, SD
- Helena, MT
- Henry, SD
- Hetland, SD
- Highmore, SD
- Hingham, MT
- Hitchcock, SD
- Hobson, MT
- Hosmer, SD
- Hot Springs, MT
- Howard, SD
- Huron, SD
- Hysham, MT
- Ipswich, SD
- Iroquois, SD
- Joliet, MT
- Jordan, MT
- Judith Gap, MT
- Kalispell, MT
- Kevin, MT
- Kimball, SD
- Kranzburg, SD
- La Bolt, SD
- Lake Andes, SD
- Lake Norden, SD
- Lake Preston, SD
- Lane, SD
- Langford, SD
- Laurel, MT
- Lavina, MT
- Lesterville, SD
- Letcher, SD
- Lewistown, MT
- Libby, MT
- Lily, SD
- Lima, MT
- Livingston, MT
- Lodge Grass, MT
- Malta, MT
- Manhattan, MT
- Mellette, SD
- Melstone, MT
- Menno, SD
- Milbank, SD
- Miles City, MT
- Miller, SD
- Missoula, MT
- Mitchell, SD
- Moore, MT
- Mount Vernon, SD
- Naples, SD
- Nashua, MT
- Neihart, MT
- Northville, SD
- Oacoma, SD
- Oldham, SD
- Olivet, SD
- Onaka, SD
- Opheim, MT
- Orient, SD
- Ortonville, MN
- Parkston, SD
- Philipsburg, MT
- Pickstown, SD
- Pierpont, SD
- Pierre, SD
- Pinesdale, MT
- Plains, MT
- Plankinton, SD
- Platte, SD
- Polson, MT
- Pukwana, SD
- Ramona, SD
- Ravinia, SD
- Raymond, SD
- Red Lodge, MT
- Redfield, SD
- Ree Heights, SD
- Revillo, SD
- Rockham, SD
- Ronan, MT
- Roscoe, SD
- Roslyn, SD
- Roundup, MT
- Ryegate, MT
- Saco, MT
- Salem, SD
- Scotland, SD
- Seneca, SD
- Shelby, MT
- Sheridan, MT
- South Shore, SD
- Spencer, SD
- Springfield, SD
- St. Ignatius, MT
- St. Lawrence, SD
- Stanford, MT
- Stevensville, MT
- Stickney, SD
- Stockholm, SD
- Strandburg, SD
- Stratford, SD
- Sunburst, MT
- Superior, MT
- Tabor, SD
- Thompson Falls, MT
- Three Forks, MT
- Tolstoy, SD
- Toronto, SD
- Townsend, MT
- Tripp, SD
- Tulare, SD
- Turton, SD
- Twin Bridges, MT
- Twin Brooks, SD
- Tyndall, SD
- Utica, SD
- Valier, MT
- Verdon, SD
- Vienna, SD
- Vilas, SD
- Virgil, SD
- Virginia City, MT
- Volga, SD
- Wagner, SD
- Walkerville, MT
- Wallace, SD
- Warner, SD
- Watertown, SD
- Waubay, SD
- Webster, SD
- Wessington, SD
- Wessington Springs, SD
- West Yellowstone, MT
- Westport, SD
- White, SD
- White Lake, SD
- White Sulphur Springs, MT
- Whitefish, MT
- Whitehall, MT
- Willow Lake, SD
- Wilmot, SD
- Winifred, MT
- Wolf Point, MT
- Wolsey, SD
- Woonsocket, SD
- Yale, SD
- Yankton, SD
* City coverage generated based on government data. Always verify you can get service from the provider.
NorthWestern Energy Reviews
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NorthWestern Energy FAQ:
How many counties does NorthWestern Energy supply electricity to?
There are 90 counties that receive at least some electricity coverage by NorthWestern Energy including Montana, South Dakota, and Wyoming.
What percentage of NorthWestern Energy's electricity is produced using nonrenewable fuel types?
Power production facilities owned by or associated with NorthWestern Energy produce 40.01% of their electricity using nonrenewable fuel types.
What is the average BUNDLED electricity rate for NorthWestern Energy customers?
NorthWestern Energy's current average BUNDLED electricity rate is 12.06 cents per kilowatt hour (¢/kWh), compared to the average United States BUNDLED rate of 13.47 cents.
How many states does NorthWestern Energy offer service to?
NorthWestern Energy offers service in 3 states in the US.
How many power plants are owned by or associated with NorthWestern Energy?
NorthWestern Energy is associated with or owns 23 power plants.
What is the average bundled bill for NorthWestern Energy customers each month?
Consumers of NorthWestern Energy pay, on average, a monthly bundled bill of $91.14.
What percentage of NorthWestern Energy's electricity is generated using renewable fuels?
Power facilities owned by or associated with NorthWestern Energy produce 59.99% of their electricity from renewable fuels.
What is the phone number for NorthWestern Energy?
NorthWestern Energy's customer service phone number is (800) 245-6977
What cities does NorthWestern Energy provider electricity in?
NorthWestern Energy serves 265 cities in the country.