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OUTAGE SEVERITY
0%2%5%15%40%100%
Customers Out
1,777
of 12,213,184 served

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Mountain Region Power Outage Summary

As of September 4, 2026 at 11:02 AM ET, 1,777 of 12,213,184 tracked electric customers (0.01%) in the Mountain region of the United States are without power, across 8 states.

Customers Out
1,777
Customers Served
12,213,184
Share Without Power
0.01%
States in Region
8
Utility Providers
93

Most Affected Counties in the Mountain region

Percentage %Customers Out
  1. 1Maricopa County2,290,310 Served0.04%906
  2. 2Jefferson County388,712 Served0.06%238
  3. 3Salt Lake County322,135 Served0.05%158
  4. 4Mesa County94,740 Served0.09%86
  5. 5Madison County25,010 Served0.32%79

Most Affected Utilities in the Mountain region

Percentage %Customers Out
  1. 1Arizona Public Service Company1,384,566 Served0.07%905
  2. 2Xcel Energy2,304,076 Served0.02%398
  3. 3Rocky Mountain Power1,273,256 Served0.01%170
  4. 4NorthWestern Energy442,415 Served0.02%91
  5. 5Montana-Dakota Utilities31,075 Served0.15%47

Outages by State in the Mountain region

Arizona3,335,670 Served9130.03%Colorado3,227,949 Served4120.01%Utah1,163,748 Served1700.01%Montana681,962 Served1490.02%New Mexico1,132,670 Served73<0.01%Idaho951,226 Served41<0.01%Nevada1,428,923 Served13<0.01%Wyoming291,036 Served6<0.01%

All Counties in the Mountain region

Ada County278,142 Served10<0.01%Adams County251,009 Served4<0.01%Adams County2,712 Served00.00%Alamosa County10,672 Served1<0.01%Albany County24,203 Served00.00%Apache County27,490 Served00.00%Arapahoe County461,236 Served32<0.01%Archuleta County12,142 Served00.00%Baca County2,901 Served10.03%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 County1,213 Served00.00%Bernalillo County369,877 Served00.00%Big Horn County4,751 Served00.00%Big Horn County4,230 Served00.00%Bingham County37,028 Served00.00%Blaine County6,320 Served30.05%Blaine County14,067 Served00.00%Boise County3,913 Served00.00%Bonner County38,582 Served00.00%Bonneville County27,743 Served1<0.01%Boulder County223,970 Served1<0.01%Boundary County4,175 Served00.00%Box Elder County20,282 Served00.00%Broadwater County7,266 Served00.00%Broomfield County44,418 Served00.00%Butte County1,194 Served00.00%Cache County53,609 Served1<0.01%Camas County315 Served00.00%Campbell County12,514 Served1<0.01%Canyon County76,821 Served00.00%Carbon County16,243 Served00.00%Carbon County16,401 Served00.00%Carbon County15,000 Served1<0.01%Caribou County1,536 Served00.00%Carson City1,141 Served00.00%Carter County5 Served00.00%Cascade County35,697 Served3<0.01%Cassia County14,104 Served00.00%Catron County3,794 Served00.00%Chaffee County21,212 Served00.00%Chaves County34,557 Served1<0.01%Cheyenne County1,956 Served40.20%Chouteau County7,261 Served30.04%Churchill County10,518 Served00.00%Cibola County10,981 Served00.00%Clark County642 Served10.16%Clark County1,108,393 Served3<0.01%Clear Creek County11,983 Served00.00%Clearwater County5,988 Served00.00%Cochise County44,742 Served00.00%Coconino County49,943 Served50.01%Conejos County10,749 Served00.00%Converse County10,217 Served00.00%Costilla County5,006 Served00.00%Crook County7,054 Served00.00%Crowley County4,215 Served00.00%Curry County24,405 Served00.00%Custer County10,797 Served00.00%Custer County5,757 Served470.82%Daggett County239 Served00.00%Daniels County1,106 Served00.00%Davis County149,318 Served2<0.01%Dawson County3,286 Served00.00%De Baca County51 Served00.00%Deer Lodge County9,737 Served00.00%Delta County14,413 Served1<0.01%Denver County382,855 Served36<0.01%Dolores County850 Served00.00%Dona Ana County85,981 Served120.01%Douglas County86,171 Served1<0.01%Douglas County4,505 Served00.00%Duchesne County13,184 Served20.02%Eagle County43,543 Served00.00%Eddy County47,261 Served70.01%El Paso County324,983 Served3<0.01%Elbert County3,513 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 County73,559 Served00.00%Franklin County6,094 Served00.00%Fremont County55,772 Served00.00%Fremont County12,959 Served30.02%Fremont County20,109 Served30.01%Gallatin County46,711 Served00.00%Garfield County40,727 Served00.00%Garfield County8,768 Served00.00%Gem County5,388 Served00.00%Gila County7,396 Served00.00%Gilpin County16,203 Served00.00%Glacier County906 Served00.00%Golden Valley County1,571 Served00.00%Gooding County5,678 Served00.00%Goshen County3,752 Served10.03%Graham County62 Served11.61%Grand County21,493 Served00.00%Grand County24,337 Served00.00%Granite County7,615 Served00.00%Grant County24,973 Served40.02%Guadalupe County570 Served00.00%Gunnison County2,744 Served00.00%Hidalgo County3,736 Served20.05%Hill County17,031 Served00.00%Hinsdale County2,136 Served00.00%Hot Springs County5,342 Served00.00%Huerfano County1,614 Served00.00%Humboldt County7,695 Served10.01%Idaho County12,713 Served00.00%Iron County24,708 Served00.00%Jackson County1,538 Served00.00%Jefferson County388,712 Served2380.06%Jefferson County9,809 Served00.00%Jefferson County12,299 Served00.00%Jerome County7,244 Served00.00%Johnson County9,784 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 Served10.03%Kootenai County100,127 Served260.03%La Paz County1,568 Served00.00%La Plata County35,151 Served00.00%Lake County9,939 Served00.00%Lake County20,693 Served00.00%Lander County3,744 Served00.00%Laramie County46,498 Served00.00%Larimer County130,764 Served00.00%Las Animas County8,708 Served00.00%Latah County21,457 Served00.00%Lea County47,166 Served70.01%Lemhi County5,726 Served00.00%Lewis and Clark County75,141 Served00.00%Lewis County2,573 Served00.00%Liberty County2,350 Served00.00%Lincoln County3,387 Served00.00%Lincoln County15,312 Served00.00%Lincoln County24,386 Served00.00%Lincoln County4,289 Served00.00%Lincoln County10,339 Served00.00%Logan County17,094 Served00.00%Los Alamos County96 Served00.00%Luna County23,632 Served40.02%Lyon County13,887 Served00.00%Madison County25,010 Served790.32%Madison County20,350 Served00.00%Maricopa County2,290,310 Served9060.04%McCone County88 Served00.00%McKinley County13,515 Served00.00%Meagher County6,554 Served00.00%Mesa County94,740 Served860.09%Millard County11,255 Served00.00%Mineral County1,718 Served00.00%Mineral County9,505 Served00.00%Mineral County1,998 Served00.00%Minidoka County4,997 Served00.00%Missoula County54,951 Served1<0.01%Moffat County10,741 Served00.00%Mohave County138,848 Served00.00%Montezuma County17,358 Served00.00%Montrose County24,281 Served00.00%Morgan County13,940 Served1<0.01%Morgan County10,120 Served00.00%Musselshell County5,998 Served00.00%Natrona County23,541 Served00.00%Navajo County39,108 Served00.00%Nez Perce County23,143 Served00.00%Nye County62,295 Served00.00%Oneida County4,171 Served00.00%Otero County11,675 Served00.00%Otero County53,428 Served330.06%Ouray County4,534 Served00.00%Owyhee County12,769 Served00.00%Park County9,811 Served00.00%Park County8,838 Served00.00%Park County6,023 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 County519,803 Served1<0.01%Pinal County104,482 Served00.00%Pitkin County13,434 Served00.00%Piute County3,752 Served00.00%Platte County950 Served00.00%Pondera County7,567 Served30.04%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 County30,963 Served00.00%Rich County13,865 Served00.00%Richland County6,918 Served00.00%Rio Arriba County7,918 Served00.00%Rio Blanco County5,316 Served00.00%Rio Grande County14,042 Served00.00%Roosevelt County4,805 Served00.00%Roosevelt County7,679 Served00.00%Rosebud County5,595 Served00.00%Routt County20,896 Served00.00%Saguache County5,709 Served00.00%Salt Lake County322,135 Served1580.05%San Juan County1,082 Served00.00%San Juan County5,604 Served00.00%San Juan County52,918 Served00.00%San Miguel County7,944 Served00.00%San Miguel County10,419 Served00.00%Sanders County14,054 Served00.00%Sandoval County97,242 Served00.00%Sanpete County8,234 Served00.00%Santa Cruz County21,918 Served00.00%Santa Fe County104,347 Served00.00%Sedgwick County1,501 Served00.00%Sevier County25,515 Served00.00%Sheridan County3,259 Served00.00%Sheridan County12,999 Served00.00%Shoshone County10,308 Served00.00%Sierra County7,132 Served20.03%Silver Bow County12,101 Served30.02%Socorro County9,456 Served00.00%Stillwater County8,421 Served00.00%Storey County135 Served00.00%Sublette County10,985 Served00.00%Summit County50,449 Served1<0.01%Summit County16,419 Served1<0.01%Sweet Grass County3,418 Served00.00%Sweetwater County21,493 Served00.00%Teller County5,057 Served00.00%Teton County9,961 Served30.03%Teton County10,131 Served00.00%Teton County18,107 Served00.00%Tooele County39,473 Served1<0.01%Toole County2 Served00.00%Torrance County10,237 Served1<0.01%Treasure County8 Served00.00%Twin Falls County70,392 Served00.00%Uinta County12,464 Served00.00%Uintah County50,261 Served2<0.01%Union County1,989 Served00.00%Utah County107,070 Served1<0.01%Valencia County47,977 Served00.00%Valley County6,626 Served00.00%Valley County6,032 Served00.00%Wasatch County9,588 Served00.00%Washakie County5,641 Served00.00%Washington County3,348 Served00.00%Washington County51,362 Served00.00%Washington County7,876 Served00.00%Washoe County189,647 Served9<0.01%Wayne County1,281 Served00.00%Weber County142,394 Served2<0.01%Weld County197,694 Served1<0.01%Weston County9,791 Served00.00%Wheatland County2,717 Served00.00%Wibaux County395 Served00.00%Yavapai County77,216 Served00.00%Yellowstone County38,624 Served40.01%Yuma County12,784 Served00.00%Yuma County7,361 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%Garfield County6,605 ServedData Unavailable — last reading September 2, 2026 at 12:30 AM ETN/AGreenlee County0 ServedData Unavailable — last reading September 2, 2026 at 12:30 AM 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

Arizona Public Service Company1,384,566 Served9050.07%Xcel Energy2,304,076 Served3980.02%Rocky Mountain Power1,273,256 Served1700.01%NorthWestern Energy442,415 Served910.02%Montana-Dakota Utilities31,075 Served470.15%Public Service Company of New Mexico686,555 Served26<0.01%Avista Corporation153,052 Served260.02%Rio Grande Electric Cooperative438 Served184.11%El Paso Electric107,429 Served120.01%NV Energy1,400,194 Served11<0.01%Idaho Power Company613,269 Served10<0.01%Sun River Electric Coop6,032 Served70.12%Salt River Project1,153,344 Served6<0.01%Columbus Electric Coop4,852 Served6+ (partial — 1 state unavailable)0.12%+K. C. Electric Association6,624 Served50.08%United Power136,193 Served4<0.01%Yellowstone Electric Coop23,714 Served40.02%Moon Lake Electric20,437 Served40.02%Colorado Springs Utilities264,330 Served3<0.01%High Plains Power14,040 Served30.02%Grand Valley Power20,082 Served2<0.01%Lea County Electric Cooperative11,229 Served20.02%Sierra Electric Coop4,467 Served20.04%Tucson Electric Power Company458,000 Served1<0.01%Poudre Valley REA57,168 Served1<0.01%Sulphur Springs Valley Electric Coop53,435 Served1<0.01%Provo Power Dept40,282 Served1<0.01%Delta-Montrose Electric Assn.37,405 Served1<0.01%Powder River Energy Corp27,187 Served1<0.01%Valley Electric Association25,535 Served1<0.01%Central New Mexico Electrical Coop19,591 Served1<0.01%Central Valley Electric Coop14,904 Served1<0.01%San Luis Valley REC12,729 Served1<0.01%Southeast Colorado Power10,613 Served1<0.01%Morgan County REA9,187 Served10.01%Carbon Power and Light6,686 Served10.01%Wyrulec Company5,423 Served10.02%Harney Electric Cooperative1,425 Served10.07%Black Hills Energy149,214 Served00.00%UniSource Energy Services107,000 Served00.00%Flathead Electric Coop82,341 Served00.00%Fort Collins Utilities79,616 Served00.00%Mountain View Electric Association66,825 Served00.00%Holy Cross Energy62,877 Served00.00%Trico Electric Coop56,993 Served00.00%La Plata Electric Coop47,694 Served00.00%Mohave Electric Coop47,045 Served00.00%Farmington Electric Utility44,581 Served00.00%Jemez Mountains Electric Coop39,581 Served00.00%Navopache Electric Coop37,994 Served00.00%Dixie Power35,797 Served00.00%Kootenai Electric Cooperative Inc32,546 Served00.00%Lower Valley Energy30,006 Served00.00%Yampa Valley EA29,052 Served00.00%Northern Lights Inc.26,102 Served00.00%Mountain Parks Electric24,023 Served00.00%San Isabel Electric Association23,159 Served00.00%Continental Divide Electric Coop23,156 Served00.00%Fall River REC22,030 Served00.00%Mission Valley Power21,616 Served00.00%Otero County Electric Coop20,785 Served00.00%Empire Electric Association20,469 Served00.00%Garkane Energy Coop18,454 Served00.00%Missoula Electric Coop17,652 Served00.00%San Miguel Power15,153 Served00.00%Sangre De Cristo EA14,594 Served00.00%Socorro Electric Coop12,690 Served00.00%Ravalli Electric coop12,392 Served00.00%Vigilante Electric Coop11,565 Served00.00%Clearwater Power10,814 Served00.00%Kaysville Power10,753 Served00.00%Y-W Electric Association8,731 Served00.00%High West Energy8,713 Served00.00%Highline Electric Association8,430 Served00.00%Fergus Electric Coop7,240 Served00.00%Beartooth Electric Coop7,092 Served00.00%Lincoln Electric Coop6,923 Served00.00%Tongue River Electric Company5,348 Served00.00%Raft River REC5,249 Served00.00%Gunnison County EA4,870 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%White River Electric3,485 Served00.00%Inland Power & Light2,302 Served00.00%McKenzie Electric Coop170 Served00.00%Tri-County Electric Cooperative38 Served00.00%Mountrail-Williams Electric Coop13 Served00.00%Plumas-Sierra Rural Electric Cooperative6 Served00.00%Electrical District No. 332,759 ServedData Unavailable — last reading September 1, 2026 at 11:00 AM 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 4, 2026 at 11:02 AM ET