EIA data through August 2026 · updated 2026-10-29

Montana electricity rates

Montana homes paid 15.6¢ per kWh in August 2026 — +9% from a year earlier. That is #19 cheapest of 51; the U.S. average was 18.2¢.

MT average15.6¢Aug 2026

12-month average14.0¢

Rank (cheapest)#19of 51

Utilities15

ZIP codes399

Montana has retail electricity choice. Many households can buy electricity supply from a competing supplier, while the local utility still delivers it. The averages here combine utility and supplier sales as reported to the EIA; your state’s public utility commission lists licensed suppliers.

Montana electricity price trend

Montana averageU.S. average

Aug 202615.6¢per kWh

vs. 1 year ago+9%14.3¢

vs. 5 years ago+34.1%11.6¢

Record high15.6¢Aug 2026

Avg. home bill$122784 kWh, Aug

EIA forecast, Mountain14.7¢Dec 2027

Hover or tap the chart for exact monthly values. Source: EIA-861M (monthly, latest months preliminary); forecast: EIA Short-Term Energy Outlook (October 2026) for the Mountain region, which includes Arizona, Colorado, Idaho, Montana, Nevada, New Mexico, Utah, Wyoming.

Heating this winter? Compare heating oil, propane, gas and a heat pump in Montana →

Utilities in Montana

15 utilities · 10 report monthly

Monthly home price by utility

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Each line is one utility (EIA-861M, 10 utilities that report monthly); the teal line is the Montana average. Hover or tap a line — or a row in the table — to highlight it.

	│ = MT average, same period
NorthWestern Energy LLC (MT) Investor Owned · monthly data	16.4¢Jan–Aug 2026	+15%	+15%	$101	328,127
Adjustment 2024	12.2¢2024	-4.4%	—	$123	78,442
Flathead Electric Coop Inc. Cooperative · monthly data	10.6¢Jan–Aug 2026	-25.6%	+9.6%	$116	63,317
Yellowstone Valley Elec Co.-op Cooperative · monthly data	14.9¢Jan–Aug 2026	+4.8%	+11.8%	$121	21,182
Montana-Dakota Utilities Co. Investor Owned · monthly data	13.5¢Jan–Aug 2026	-5.3%	+4.7%	$98	19,616
USBIA-Mission Valley Power Federal · monthly data	9.6¢Jan–Aug 2026	-32.6%	+7.6%	$117	16,292
Missoula Electric Coop, Inc. Cooperative · monthly data	11.8¢Jan–Aug 2026	-17.1%	+12.4%	$113	14,686
Fergus Electric Coop, Inc. Cooperative	15.5¢2024	+21.5%	—	$124	6,682
Northern Lights, Inc. Cooperative	12.5¢2024	-2%	—	$134	3,985
Lower Yellowstone R E A, Inc. Cooperative	8.8¢2024	-30.9%	—	$104	3,499
Fall River Rural Elec Coop Inc. Cooperative	11.4¢2024	-10.8%	—	$114	1,508
Powder River Energy Corp Cooperative · monthly data	13.3¢Jan–Aug 2026	-6.7%	+4.7%	$107	52
McKenzie Electric Coop Inc. Cooperative · monthly data	9.7¢Jan–Aug 2026	-31.7%	+12.9%	$116	25
Black Hills Power, Inc. Investor Owned · monthly data	6.9¢Jan–Aug 2026	-51.7%	-1.1%	$60	12
Avista Corp Investor Owned · monthly data	8.7¢Jan–Aug 2026	-39.1%	+2%	$157	9

Bars: average home price (same color scale as the map). The thin line and “vs. MT avg.” use the Montana average of the same period — 2024 for yearly figures, 2026 so far for monthly ones. “vs. 2024” compares this year’s monthly average with the 2024 annual average. Click a column header to sort. Small utilities that report only totals are left out.

All ZIP codes in Montana

59001Absarokee 59002Acton 59003Ashland 59004Ashland 59006Ballantine 59007Bearcreek 59008Belfry 59010Bighorn 59011Big Timber 59012Birney 59013Boyd 59014Bridger 59015Broadview 59016Busby 59018Clyde Park 59019Columbus 59020Cooke City 59022Crow Agency 59024Custer 59025Decker 59026Edgar 59027Emigrant 59028Fishtail 59029Fromberg 59030Gardiner 59031Garryowen 59032Grass Range 59033Greycliff 59034Hardin 59035Fort Smith 59036Harlowton 59037Huntley 59038Hysham 59039Ingomar 59041Joliet 59043Lame Deer 59044Laurel 59046Lavina 59047Livingston 59050Lodge Grass 59052Mc Leod 59053Martinsdale 59054Melstone 59055Melville 59057Molt 59058Mosby 59059Musselshell 59061Nye 59062Otter 59063Park City 59064Pompeys Pillar 59065Pray 59066Pryor 59067Rapelje 59068Red Lodge 59069Reed Point 59070Roberts 59071Roscoe 59072Roundup 59073Roundup 59074Ryegate 59075Saint Xavier 59076Sanders 59077Sand Springs 59078Shawmut 59079Shepherd 59081Silver Gate 59082Springdale 59083Sumatra 59084Teigen 59085Two Dot 59086Wilsall 59087Winnett 59088Worden 59089Wyola 59101Billings 59102Billings 59103Billings 59104Billings 59105Billings 59106Billings 59107Billings 59108Billings 59111Billings 59112Billings 59114Billings 59115Billings 59116Billings 59117Billings 59201Wolf Point 59211Antelope 59212Bainville 59213Brockton 59214Brockway 59215Circle 59217Crane 59218Culbertson 59219Dagmar 59221Fairview 59222Flaxville 59223Fort Peck 59225Frazer 59226Froid 59230Glasgow 59231Saint Marie 59240Glentana 59241Hinsdale 59242Homestead 59243Lambert 59244Larslan 59247Medicine Lake 59248Nashua 59250Opheim 59252Outlook 59253Peerless 59254Plentywood 59255Poplar 59256Raymond 59257Redstone 59258Reserve 59259Richey 59260Richland 59261Saco 59262Savage 59263Scobey 59270Sidney 59273Vandalia 59274Vida 59275Westby 59276Whitetail 59301Miles City 59311Alzada 59312Angela 59313Baker 59314Biddle 59315Bloomfield 59316Boyes 59317Broadus 59318Brusett 59319Capitol 59322Cohagen 59323Colstrip 59324Ekalaka 59326Fallon 59327Forsyth 59330Glendive 59332Hammond 59333Hathaway 59336Ismay 59337Jordan 59338Kinsey 59339Lindsay 59343Olive 59344Plevna 59345Powderville 59347Rosebud 59349Terry 59351Volborg 59353Wibaux 59354Willard 59401Great Falls 59403Great Falls 59404Great Falls 59405Great Falls 59406Great Falls 59410Augusta 59411Babb 59412Belt 59414Black Eagle 59416Brady 59417Browning 59418Buffalo 59419Bynum 59420Carter 59421Cascade 59422Choteau 59424Coffee Creek 59425Conrad 59427Cut Bank 59430Denton 59432Dupuyer 59433Dutton 59434East Glacier Park 59435Ethridge 59436Fairfield 59440Floweree 59441Forest Grove 59442Fort Benton 59443Fort Shaw 59444Galata 59446Geraldine 59447Geyser 59448Heart Butte 59450Highwood 59451Hilger 59452Hobson 59453Judith Gap 59454Kevin 59456Ledger 59457Lewistown 59460Loma 59461Lothair 59462Moccasin 59463Monarch 59464Moore 59465Neihart 59466Oilmont 59467Pendroy 59468Power 59469Raynesford 59471Roy 59472Sand Coulee 59474Shelby 59477Simms 59479Stanford 59480Stockett 59482Sunburst 59483Sun River 59484Sweet Grass 59485Ulm 59486Valier 59487Vaughn 59489Winifred 59501Havre 59520Big Sandy 59521Box Elder 59522Chester 59523Chinook 59524Dodson 59525Gildford 59526Harlem 59527Hays 59528Hingham 59529Hogeland 59530Inverness 59531Joplin 59532Kremlin 59535Lloyd 59537Loring 59538Malta 59540Rudyard 59542Turner 59544Whitewater 59545Whitlash 59546Zortman 59547Zurich 59601Helena 59602Helena 59604Helena 59620Helena 59623Helena 59624Helena 59626Helena 59631Basin 59632Boulder 59633Canyon Creek 59634Clancy 59635East Helena 59636Fort Harrison 59638Jefferson City 59639Lincoln 59640Marysville 59642Ringling 59643Toston 59644Townsend 59645White Sulphur Springs 59647Winston 59648Wolf Creek 59701Butte 59702Butte 59703Butte 59707Butte 59710Alder 59711Anaconda 59713Avon 59714Belgrade 59715Bozeman 59716Big Sky 59718Bozeman 59719Bozeman 59720Cameron 59721Cardwell 59722Deer Lodge 59724Dell 59725Dillon 59727Divide 59728Elliston 59729Ennis 59730Gallatin Gateway 59731Garrison 59732Glen 59733Gold Creek 59735Harrison 59736Jackson 59739Lima 59740Mc Allister 59741Manhattan 59743Melrose 59745Norris 59746Polaris 59747Pony 59748Ramsay 59749Sheridan 59750Butte 59751Silver Star 59752Three Forks 59754Twin Bridges 59755Virginia City 59756Warm Springs 59758West Yellowstone 59759Whitehall 59760Willow Creek 59761Wisdom 59762Wise River 59771Bozeman 59772Bozeman 59801Missoula 59802Missoula 59803Missoula 59804Missoula 59806Missoula 59807Missoula 59808Missoula 59812Missoula 59820Alberton 59821Arlee 59823Bonner 59824Charlo 59825Clinton 59826Condon 59827Conner 59828Corvallis 59829Darby 59830De Borgia 59831Dixon 59832Drummond 59833Florence 59834Frenchtown 59835Grantsdale 59837Hall 59840Hamilton 59841Pinesdale 59842Haugan 59843Helmville 59844Heron 59845Hot Springs 59846Huson 59847Lolo 59848Lonepine 59851Milltown 59853Noxon 59854Ovando 59855Pablo 59856Paradise 59858Philipsburg 59859Plains 59860Polson 59863Ravalli 59864Ronan 59865Saint Ignatius 59866Saint Regis 59867Saltese 59868Seeley Lake 59870Stevensville 59871Sula 59872Superior 59873Thompson Falls 59874Trout Creek 59875Victor 59901Kalispell 59903Kalispell 59904Kalispell 59910Big Arm 59911Bigfork 59912Columbia Falls 59913Coram 59914Dayton 59915Elmo 59916Essex 59917Eureka 59918Fortine 59919Hungry Horse 59920Kila 59921Lake Mc Donald 59922Lakeside 59923Libby 59925Marion 59926Martin City 59927Olney 59928Polebridge 59929Proctor 59930Rexford 59931Rollins 59932Somers 59933Stryker 59934Trego 59935Troy 59936West Glacier 59937Whitefish

Averages, not a quote. Prices here are what each utility’s residential customers paid on average (revenue ÷ kWh sold, fixed charges included), as reported to the U.S. Energy Information Administration. Your own rate depends on your plan, season and usage — check your bill or your utility’s tariff.

Questions

What is the average electricity rate in Montana?

15.6¢ per kWh for residential customers in August 2026 (EIA-861M, preliminary); the 12-month average is 14.0¢.

How does Montana compare with other states?

Montana ranks #19 cheapest of 51 states and D.C. The U.S. average was 18.2¢ in August 2026.

Which utility in Montana has the lowest rates?

Among the larger utilities (over 10,000 homes), USBIA-Mission Valley Power averaged 8.9¢ per kWh in 2024. Rates depend on the plan; check the utility’s tariff.