Mountain Region Power Outage Summary
As of September 12, 2026 at 9:31 AM ET, 658 of 12,386,482 tracked electric customers (<0.01%) in the Mountain region of the United States are without power, across 8 states.
Customers Out
658
Customers Served
12,386,482
Share Without Power
<0.01%
States in Region
8
Utility Providers
93
Most Affected Counties in the Mountain region
Percentage %Customers Out- 1Crook County7,061 Served1.47%104
- 2Navajo County39,113 Served0.20%77
- 3Maricopa County2,290,310 Served<0.01%76
- 4Rio Blanco County5,316 Served1.17%62
- 5Franklin County6,094 Served0.80%49
Most Affected Utilities in the Mountain region
Percentage %Customers Out- 1Powder River Energy Corp27,210 Served0.39%105
- 2Rocky Mountain Power1,273,256 Served<0.01%99
- 3Xcel Energy2,335,842 Served<0.01%79
- 4Navopache Electric Coop79,247 Served0.10%77
- 5Sun River Electric Coop6,033 Served1.24%75
Outages by State in the Mountain region
All Counties in the Mountain region
Ada County278,142 Served00.00%Adams County252,974 Served1<0.01%Adams County2,712 Served00.00%Alamosa County10,689 Served00.00%Albany County24,216 Served00.00%Apache County27,490 Served00.00%Arapahoe County461,564 Served00.00%Archuleta County12,145 Served00.00%Baca County2,902 Served00.00%Bannock County27,321 Served00.00%Bear Lake County5,426 Served00.00%Beaver County8,747 Served00.00%Beaverhead County10,435 Served00.00%Benewah County5,837 Served00.00%Bent County1,216 Served00.00%Bernalillo County455,854 Served00.00%Big Horn County4,230 Served00.00%Big Horn County4,752 Served00.00%Bingham County37,028 Served00.00%Blaine County6,320 Served00.00%Blaine County14,067 Served00.00%Boise County3,913 Served00.00%Bonner County38,584 Served2<0.01%Bonneville County27,745 Served1<0.01%Boulder County224,005 Served00.00%Boundary County4,175 Served00.00%Box Elder County20,283 Served00.00%Broadwater County7,266 Served00.00%Broomfield County44,418 Served00.00%Butte County1,194 Served00.00%Cache County53,609 Served00.00%Camas County315 Served00.00%Campbell County12,520 Served1<0.01%Canyon County76,821 Served00.00%Carbon County15,007 Served00.00%Carbon County16,401 Served00.00%Carbon County16,243 Served00.00%Caribou County1,536 Served00.00%Carson City1,141 Served00.00%Carter County5 Served00.00%Cascade County35,697 Served70.02%Cassia County14,107 Served00.00%Catron County3,794 Served00.00%Chaffee County21,251 Served00.00%Chaves County36,945 Served00.00%Cheyenne County1,957 Served40.20%Chouteau County7,262 Served30.04%Churchill County10,518 Served00.00%Cibola County10,977 Served00.00%Clark County642 Served00.00%Clark County1,108,450 Served1<0.01%Clear Creek County11,983 Served00.00%Clearwater County5,989 Served00.00%Cochise County44,742 Served1<0.01%Coconino County49,943 Served00.00%Conejos County10,751 Served00.00%Converse County10,217 Served00.00%Costilla County6,039 Served00.00%Crook County7,061 Served1041.47%Crowley County4,215 Served00.00%Curry County24,405 Served00.00%Custer County10,799 Served1<0.01%Custer County5,757 Served00.00%Daggett County239 Served00.00%Daniels County1,106 Served00.00%Davis County149,318 Served4<0.01%Dawson County3,286 Served00.00%Deer Lodge County9,737 Served00.00%Delta County14,418 Served00.00%Denver County382,915 Served14<0.01%Dolores County850 Served00.00%Dona Ana County85,981 Served00.00%Douglas County88,323 Served00.00%Douglas County4,505 Served00.00%Duchesne County13,184 Served1<0.01%Eagle County43,576 Served00.00%Eddy County49,960 Served100.02%El Paso County325,435 Served2<0.01%Elbert County3,516 Served00.00%Elko County19,451 Served00.00%Elmore County28,840 Served00.00%Emery County9,151 Served00.00%Esmeralda County299 Served00.00%Eureka County156 Served00.00%Fallon County1,187 Served00.00%Fergus County12,958 Served00.00%Flathead County73,720 Served00.00%Franklin County6,094 Served490.80%Fremont County55,783 Served00.00%Fremont County20,115 Served40.02%Fremont County12,961 Served00.00%Gallatin County46,712 Served00.00%Garfield County44,211 Served00.00%Garfield County8,768 Served00.00%Gem County5,388 Served00.00%Gila County28,020 Served00.00%Gilpin County16,203 Served00.00%Glacier County908 Served00.00%Golden Valley County4,174 Served00.00%Gooding County5,678 Served00.00%Goshen County3,752 Served10.03%Graham County62 Served11.61%Grand County21,546 Served00.00%Grand County24,337 Served00.00%Granite County7,615 Served00.00%Grant County24,973 Served00.00%Gunnison County3,461 Served00.00%Hidalgo County3,736 Served20.05%Hill County17,031 Served00.00%Hinsdale County2,138 Served00.00%Hot Springs County5,342 Served00.00%Huerfano County1,614 Served00.00%Humboldt County7,695 Served00.00%Idaho County12,713 Served00.00%Iron County24,708 Served1<0.01%Jackson County1,538 Served00.00%Jefferson County392,724 Served15<0.01%Jefferson County9,809 Served00.00%Jefferson County12,299 Served00.00%Jerome County7,244 Served00.00%Johnson County9,800 Served00.00%Juab County5,571 Served00.00%Judith Basin County3,314 Served00.00%Kane County11,263 Served00.00%Kiowa County1,250 Served00.00%Kit Carson County3,842 Served00.00%Kootenai County100,164 Served00.00%La Paz County1,568 Served00.00%La Plata County35,155 Served00.00%Lake County9,939 Served00.00%Lake County21,162 Served2<0.01%Lander County3,744 Served00.00%Laramie County46,502 Served1<0.01%Larimer County132,364 Served00.00%Las Animas County8,712 Served20.02%Latah County21,461 Served00.00%Lea County53,588 Served00.00%Lemhi County5,726 Served00.00%Lewis and Clark County75,141 Served00.00%Lewis County2,574 Served00.00%Liberty County2,350 Served00.00%Lincoln County3,387 Served00.00%Lincoln County10,341 Served00.00%Lincoln County15,329 Served130.08%Lincoln County8,192 Served00.00%Lincoln County24,392 Served00.00%Logan County17,291 Served00.00%Los Alamos County96 Served00.00%Luna County23,632 Served70.03%Lyon County13,887 Served00.00%Madison County25,010 Served00.00%Madison County20,351 Served00.00%Maricopa County2,290,310 Served76<0.01%McCone County88 Served00.00%McKinley County13,515 Served1<0.01%Meagher County6,554 Served00.00%Mesa County97,581 Served00.00%Millard County11,255 Served00.00%Mineral County1,720 Served00.00%Mineral County9,506 Served00.00%Mineral County1,998 Served00.00%Minidoka County4,997 Served00.00%Missoula County54,965 Served00.00%Moffat County10,747 Served00.00%Mohave County138,859 Served00.00%Montezuma County17,363 Served00.00%Montrose County24,298 Served80.03%Morgan County14,013 Served00.00%Morgan County10,120 Served00.00%Musselshell County5,998 Served00.00%Natrona County23,541 Served2<0.01%Navajo County39,113 Served770.20%Nez Perce County23,147 Served00.00%Nye County62,299 Served00.00%Oneida County4,171 Served00.00%Otero County11,675 Served00.00%Otero County53,439 Served140.03%Ouray County4,536 Served00.00%Owyhee County12,769 Served00.00%Park County9,811 Served00.00%Park County6,023 Served00.00%Park County8,838 Served00.00%Payette County5,217 Served00.00%Pershing County5,059 Served00.00%Petroleum County457 Served00.00%Phillips County1,432 Served00.00%Phillips County5,102 Served00.00%Pima County519,814 Served00.00%Pinal County104,496 Served00.00%Pitkin County13,434 Served00.00%Piute County3,752 Served00.00%Platte County950 Served00.00%Pondera County7,567 Served230.30%Powder River County1,711 Served00.00%Powell County4,566 Served00.00%Power County4,907 Served00.00%Prairie County964 Served00.00%Prowers County1,611 Served00.00%Pueblo County31,394 Served00.00%Quay County6,947 Served00.00%Ravalli County30,964 Served00.00%Rich County13,865 Served00.00%Richland County6,918 Served00.00%Rio Arriba County7,918 Served00.00%Rio Blanco County5,316 Served621.17%Rio Grande County14,042 Served00.00%Roosevelt County4,805 Served00.00%Roosevelt County7,682 Served00.00%Rosebud County5,596 Served00.00%Routt County20,896 Served1<0.01%Saguache County5,867 Served00.00%Salt Lake County322,135 Served7<0.01%San Juan County1,082 Served00.00%San Juan County5,604 Served370.66%San Juan County52,919 Served00.00%San Miguel County7,944 Served00.00%San Miguel County10,422 Served00.00%Sanders County14,056 Served00.00%Sandoval County97,284 Served00.00%Sanpete County8,234 Served00.00%Santa Cruz County21,918 Served00.00%Santa Fe County104,351 Served00.00%Sedgwick County1,502 Served00.00%Sevier County25,515 Served00.00%Sheridan County13,173 Served00.00%Sheridan County3,259 Served00.00%Shoshone County10,309 Served00.00%Sierra County7,134 Served00.00%Silver Bow County12,101 Served00.00%Socorro County9,456 Served30.03%Stillwater County8,421 Served00.00%Storey County135 Served00.00%Sublette County10,985 Served00.00%Summit County50,543 Served00.00%Summit County16,419 Served00.00%Sweet Grass County3,418 Served00.00%Sweetwater County21,493 Served00.00%Teller County5,057 Served00.00%Teton County18,107 Served00.00%Teton County9,961 Served420.42%Teton County10,134 Served00.00%Tooele County39,473 Served00.00%Toole County2 Served00.00%Torrance County10,239 Served00.00%Treasure County8 Served00.00%Twin Falls County70,392 Served00.00%Uinta County12,464 Served00.00%Uintah County50,261 Served1<0.01%Union County1,989 Served00.00%Utah County107,070 Served1<0.01%Valencia County47,985 Served00.00%Valley County6,626 Served00.00%Valley County6,032 Served00.00%Wasatch County9,588 Served00.00%Washakie County5,641 Served00.00%Washington County3,349 Served00.00%Washington County7,876 Served00.00%Washington County51,385 Served00.00%Washoe County190,042 Served00.00%Wayne County1,281 Served00.00%Weber County142,394 Served00.00%Weld County204,757 Served480.02%Weston County9,792 Served00.00%Wheatland County2,717 Served00.00%Wibaux County395 Served00.00%Yavapai County77,216 Served00.00%Yellowstone County38,630 Served00.00%Yuma County7,365 Served00.00%Yuma County12,784 Served00.00%Colfax County0 Served00.00%Custer County0 Served00.00%Harding County0 Served00.00%Mora County0 Served00.00%Niobrara County0 Served00.00%Taos County0 Served00.00%De Baca County51 ServedData Unavailable — last reading September 9, 2026 at 7:21 PM ETN/AGarfield County6,605 ServedData Unavailable — last reading September 2, 2026 at 12:30 AM ETN/AGreenlee County20,624 ServedData Unavailable — last reading September 2, 2026 at 12:30 AM ETN/AGuadalupe County570 ServedData Unavailable — last reading September 9, 2026 at 7:21 PM ETN/ALincoln County0 ServedData Unavailable — last reading April 22, 2026 at 2:02 AM ETN/AWhite Pine County0 ServedData Unavailable — last reading April 22, 2026 at 2:02 AM ETN/A
Utility Providers Tracked in the Mountain region
Powder River Energy Corp27,210 Served1050.39%Rocky Mountain Power1,273,256 Served99<0.01%Xcel Energy2,335,842 Served79<0.01%Navopache Electric Coop79,247 Served770.10%Sun River Electric Coop6,033 Served751.24%White River Electric3,485 Served621.78%Arizona Public Service Company1,384,566 Served61<0.01%Rio Grande Electric Cooperative439 Served225.01%Salt River Project1,153,344 Served15<0.01%Lincoln Electric Coop6,923 Served130.19%Columbus Electric Coop4,852 Served9+ (partial — 1 state unavailable)0.19%+San Miguel Power15,155 Served80.05%High Plains Power14,046 Served60.04%K. C. Electric Association6,625 Served40.06%San Isabel Electric Association23,175 Served30.01%Socorro Electric Coop12,690 Served30.02%Colorado Springs Utilities264,782 Served2<0.01%Sulphur Springs Valley Electric Coop53,435 Served2<0.01%Northern Lights Inc.26,104 Served2<0.01%Mission Valley Power21,626 Served2<0.01%Moon Lake Electric20,437 Served2<0.01%NV Energy1,400,194 Served1<0.01%Provo Power Dept40,282 Served1<0.01%Yampa Valley EA29,058 Served1<0.01%Continental Divide Electric Coop23,152 Served1<0.01%Central Valley Electric Coop14,907 Served1<0.01%High West Energy8,717 Served10.01%Wyrulec Company5,423 Served10.02%Public Service Company of New Mexico686,641 Served00.00%Idaho Power Company613,269 Served00.00%Tucson Electric Power Company458,000 Served00.00%NorthWestern Energy442,415 Served00.00%El Paso Electric193,374 Served00.00%Avista Corporation153,099 Served00.00%Black Hills Energy149,214 Served00.00%United Power141,088 Served00.00%UniSource Energy Services107,000 Served00.00%Flathead Electric Coop82,982 Served00.00%Fort Collins Utilities79,616 Served00.00%Mountain View Electric Association66,828 Served00.00%Holy Cross Energy62,883 Served00.00%Poudre Valley REA57,183 Served00.00%Trico Electric Coop57,018 Served00.00%La Plata Electric Coop47,702 Served00.00%Mohave Electric Coop47,054 Served00.00%Farmington Electric Utility44,582 Served00.00%Jemez Mountains Electric Coop39,581 Served00.00%Delta-Montrose Electric Assn.37,427 Served00.00%Dixie Power35,822 Served00.00%Montana-Dakota Utilities33,859 Served00.00%Kootenai Electric Cooperative Inc32,546 Served00.00%Lower Valley Energy30,010 Served00.00%Valley Electric Association25,596 Served00.00%Mountain Parks Electric24,076 Served00.00%Yellowstone Electric Coop23,721 Served00.00%Fall River REC22,037 Served00.00%Otero County Electric Coop20,802 Served00.00%Empire Electric Association20,474 Served00.00%Grand Valley Power20,085 Served00.00%Garkane Energy Coop18,454 Served00.00%Missoula Electric Coop17,667 Served00.00%Sangre De Cristo EA14,595 Served00.00%San Luis Valley REC12,731 Served00.00%Ravalli Electric coop12,393 Served00.00%Vigilante Electric Coop11,565 Served00.00%Lea County Electric Cooperative11,234 Served00.00%Clearwater Power10,815 Served00.00%Kaysville Power10,753 Served00.00%Southeast Colorado Power10,617 Served00.00%Morgan County REA9,187 Served00.00%Y-W Electric Association8,736 Served00.00%Highline Electric Association8,431 Served00.00%Fergus Electric Coop7,240 Served00.00%Beartooth Electric Coop7,092 Served00.00%Carbon Power and Light6,706 Served00.00%Inland Power & Light6,205 Served00.00%Gunnison County EA5,591 Served00.00%Tongue River Electric Company5,349 Served00.00%Raft River REC5,253 Served00.00%Sierra Electric Coop4,469 Served00.00%Idaho County L&P Coop4,307 Served00.00%Lower Yellowstone REC4,200 Served00.00%Hill County Electric Coop3,981 Served00.00%Sheridan Electric Coop3,519 Served00.00%Harney Electric Cooperative1,425 Served00.00%Plumas-Sierra Rural Electric Cooperative401 Served00.00%McKenzie Electric Coop170 Served00.00%Tri-County Electric Cooperative38 Served00.00%Mountrail-Williams Electric Coop13 Served00.00%Electrical District No. 332,759 ServedData Unavailable — last reading September 1, 2026 at 11:00 AM ETN/ACentral New Mexico Electrical Coop19,597 ServedData Unavailable — last reading September 9, 2026 at 7:21 PM ETN/ACORE Electric Coop0 ServedData Unavailable — last reading April 22, 2026 at 7:16 AM ETN/ANebraska Public Power District0 ServedData Unavailable — last reading April 24, 2026 at 6:45 AM ETN/A
Outage data is collected directly from utility providers and refreshed approximately every 10 minutes. Last updated: September 12, 2026 at 9:31 AM ET
