massoutage

2023 US Power Outage Report

In 2023, the average US customer tracked by EAGLE-I went without power for about 6.7 hours, the 5th worst of the 11 loaded years (2015–2025). Figures include major storm days.

Avg hrs / customer
6.7
Customer-hours out
1002.2M
EAGLE-I coverage
n/a
of US customers
Largest county peak
348,829
customers out at once
Outage events
1,326,305
Counties reporting
2,994

2023 in context

US: average hours without power per customer by year2015: 2.8h; 2016: 3.8h; 2017: 7.3h; 2018: 5.3h, coverage 88%; 2019: 4.6h, coverage 91%; 2020: 8.0h, coverage 89%; 2021: 8.4h, coverage 92%; 2022: 6.2h, coverage 92%; 2023: 6.7h; 2024: 11.2h; 2025: 5.3h0510150%50%100%2.8h20153.8h20167.3h20175.3h20184.6h20198.0h20208.4h20216.2h20226.7h202311.2h20245.3h2025
Use the arrow keys to read values.
Average hours without power per customer. Line: EAGLE-I coverage, share of customers tracked (right axis).

Month by month, 2023

Customer-hours without power each month; June was the worst.

CSVJSON
US customer-hours without power by month, 2023Jan 69.6M, Feb 132.2M, Mar 136.9M, Apr 68.7M, May 36.6M, Jun 147.9M, Jul 120.7M, Aug 113.7M, Sep 58.0M, Oct 28.2M, Nov 28.1M, Dec 61.7M050M100M150M69.6MJan132.2MFeb136.9MMar68.7MApr36.6MMay147.9MJun120.7MJul113.7MAug58.0MSep28.2MOct28.1MNov61.7MDec
Use the arrow keys to read values.

Hardest-hit counties in 2023

Top 25 two ways: per customer (counties tracking at least 1,000 customers, so tiny counties don't swing the list) and total customer-hours (where the most people were affected).

CSVJSON
#CountyHrs / customerCustomer-hoursCustomersPeak outEvents
1Sierra County, CA177.8368K2,0722,072129
2Marion County, TX163.2817K5,0055,005518
3Robertson County, TX147.0405K2,7552,755762
4Durham County, NC141.3849K6,0086,008673
5Austin County, TX136.21.3M9,7809,780334
6Mono County, CA132.8737K5,5515,551181
7Madison County, FL130.31.2M9,4159,415587
8Franklin County, TX119.9657K5,4815,481592
9Lafayette County, FL116.1539K4,6454,645523
10Taylor County, FL113.61.4M12,05612,056607
11New Hanover County, NC110.4281K2,5442,544926
12Mariposa County, CA110.3801K7,2627,262407
13Lenawee County, MI110.03.8M34,33633,294657
14Del Norte County, CA108.01.7M16,19512,963497
15Leon County, TX105.4789K7,4897,489736
16Limestone County, TX97.0411K4,2414,241768
17Hamilton County, FL95.7850K8,8887,855570
18Upshur County, TX95.31.7M18,22418,224800
19Somerset County, ME93.71.8M19,52419,524670
20Suwannee County, FL91.42.6M27,98524,384762
21Wayne County, MI89.239.4M441,528311,0486
22Edmonson County, KY88.9578K6,5056,505395
23Windham County, VT85.61.3M15,12115,121742
24Tuolumne County, CA85.42.0M23,61023,610434
25Dallas County, AR85.0276K3,2463,246356

States in 2023

Ranked by average hours without power per customer. Change compares with the closest earlier loaded year; coverage is EAGLE-I's share of the state's customers.

CSVJSON
#StateHrs / customervs prior yrCustomer-hoursPeak outCoverage
1Maine38.6▲ 75%31.7M414,055n/a
2Michigan26.5▲ 154%128.3M839,576n/a
3Kentucky14.9▲ 165%34.8M528,390n/a
4Oklahoma14.1▲ 303%29.2M359,659n/a
5Arkansas13.6▲ 99%22.5M136,571n/a
6West Virginia13.6▼ 26%13.7M83,669n/a
7Louisiana12.8▲ 86%30.9M185,921n/a
8Mississippi11.1▲ 75%16.5M171,904n/a
9Tennessee11.1▲ 21%37.5M365,501n/a
10North Carolina10.8▼ 37%21.2M236,427n/a
11Vermont10.7▼ 21%4.1M37,070n/a
12Hawaii10.5▲ 288%5.3M35,221n/a
13New Hampshire9.5▲ 10%7.1M84,493n/a
14Missouri9.4▲ 169%21.6M109,292n/a
15Alaska8.4▼ 36%2.2M66,842n/a
16Texas8.0▲ 103%109.9M439,426n/a
17California7.9▲ 63%124.8M547,151n/a
18Ohio6.8▼ 6%38.3M440,642n/a
19Georgia6.6▲ 81%34.0M299,403n/a
20Alabama6.3▲ 59%16.1M154,753n/a
21Indiana5.9▲ 35%19.2M226,126n/a
22Massachusetts5.1▲ 56%16.9M291,468n/a
23Pennsylvania4.9▲ 33%29.9M267,143n/a
24Virginia4.6▼ 54%18.2M114,154n/a
25Kansas4.3▲ 79%6.3M133,788n/a
26Illinois4.0▲ 149%23.9M233,274n/a
27North Dakota4.0▲ 42%1.9M20,098n/a
28Maryland3.6▼ 35%9.6M136,397n/a
29Florida3.4▼ 84%37.8M282,313n/a
30Wisconsin3.4▼ 27%10.3M142,121n/a
31Nevada3.1▲ 84%4.4M73,664n/a
32Oregon3.0▼ 56%6.3M24,129n/a
33Minnesota3.0▼ 26%8.1M138,483n/a
34New Mexico2.8▲ 8%2.8M56,008n/a
35South Carolina2.7▼ 39%7.6M58,975n/a
36Washington2.6▼ 60%9.1M57,520n/a
37District of Columbia2.5▲ 66%820K26,583n/a
38Utah2.5▼ 9%3.1M19,752n/a
39Idaho2.4▼ 18%2.2M15,267n/a
40New Jersey2.4▲ 16%10.0M52,293n/a
41Delaware2.3▲ 38%1.2M74,961n/a
42South Dakota2.3▼ 67%1.1M17,018n/a
43New York2.2▼ 39%18.7M105,066n/a
44Colorado2.1▼ 20%5.9M40,181n/a
45Arizona2.0▼ 1%6.5M92,227n/a
46Wyoming2.0▼ 18%644K11,899n/a
47Iowa2.0▲ 24%3.2M47,462n/a
48Rhode Island2.0▲ 44%993K35,797n/a
49Montana1.8▼ 49%1.1M7,536n/a
50Nebraska1.2▼ 2%1.0M38,371n/a
51Connecticut--4.0M86,770n/a

Territories in 2023

Reported on their own: not ranked with the states, and not part of the national figures above.

TerritoryHrs / customerCustomer-hoursCoverage
U.S. Virgin Islands41.82.4Mn/a
Puerto Rico34.351.0Mn/a

Biggest single outages of 2023

The 25 county outage episodes with the most customers out at once.

CSVJSON
#CountyStarted (UTC)Ended (UTC)DurationPeak outCustomer-hours
1Sacramento County, CAJanuary 1, 2023 00:00January 17, 2023 06:0016d 6h348,8298.1M
2Wayne County, MIJanuary 1, 2023 00:00March 24, 2023 14:4582d 14h311,04826.7M
3Hidalgo County, TXApril 27, 2023 07:45May 16, 2023 03:4518d 20h200,5504.3M
4Travis County, TXJanuary 30, 2023 13:15February 19, 2023 00:0019d 10h185,02512.9M
5Tulsa County, OKJune 18, 2023 03:00July 7, 2023 05:4519d 2h171,63614.1M
6Oakland County, MIFebruary 6, 2023 12:15March 24, 2023 14:4546d 2h142,45714.0M
7Santa Clara County, CAFebruary 20, 2023 16:45April 7, 2023 11:4545d 19h138,9825.5M
8Shelby County, TNJuly 17, 2023 09:00August 18, 2023 09:3032d138,8515.6M
9Shelby County, TNJune 11, 2023 13:45July 17, 2023 05:4535d 16h120,8227.6M
10Wayne County, MIJune 11, 2023 13:45September 17, 2023 19:1598d 5h120,52610.8M
11Tarrant County, TXMarch 2, 2023 12:15March 19, 2023 08:3016d 20h107,1751.1M
12Dallas County, TXFebruary 21, 2023 11:45March 13, 2023 09:0019d 21h105,9071.0M
13Davidson County, TNMarch 3, 2023 12:30March 13, 2023 06:009d 17h104,3592.2M
14Tarrant County, TXJuly 10, 2023 02:15September 17, 2023 19:1569d 17h101,6411.7M
15Milwaukee County, WIMarch 10, 2023 03:15March 13, 2023 07:303d 4h89,7081.1M
16Harris County, TXJune 11, 2023 13:45July 19, 2023 23:3038d 9h88,0951.8M
17Middlesex County, MADecember 18, 2023 07:45December 22, 2023 09:304d 1h85,5791.3M
18Hennepin County, MNJune 23, 2023 06:00July 2, 2023 03:008d 21h84,596576K
19St. Louis city, MOJune 15, 2023 09:15July 22, 2023 02:3036d 17h83,6855.2M
20Jackson County, MOFebruary 8, 2023 14:30February 10, 2023 04:001d 13h83,40032K
21Maricopa County, AZSeptember 1, 2023 01:30September 2, 2023 19:301d 18h83,324317K
22Jefferson County, KYMarch 3, 2023 08:30March 11, 2023 04:007d 19h82,5785.1M
23Macomb County, MIFebruary 6, 2023 00:45March 24, 2023 14:4546d 14h81,9465.1M
24Contra Costa County, CAMarch 13, 2023 13:30March 19, 2023 04:305d 15h80,9881.0M
25Washtenaw County, MIFebruary 13, 2023 14:15March 24, 2023 14:4539d79,0287.4M

Federally reported major disturbances

100 DOE OE-417 emergency filings for 2023, largest first. Utilities file these for major events; they overlap with, but are not the same as, the EAGLE-I episodes above.

CSVJSON
BeganEvent typeArea affectedCustomers affectedDemand loss (MW)
December 18, 2023- Weather or natural disasterISO New England730,000-
February 22, 2023Severe WeatherMichigan:623,3586,200
March 2, 2023Severe WeatherTexas: Montague County, Cooke County, Grayson County, Fannin County, Lamar County, Young County, Jack County, Wise County, Denton County, Collin County, Hunt County, Delta County, Hopkins County, Stephens County, Palo Pinto County, Parker County, Tarrant County, Dallas County, Rockwall County, Kaufman County, Van Zandt County, Rains County, Eastland County, Erath County, Hood County, Somervell County, Johnson County, Ellis County, Henderson County, Comanche County, Mills County, Hamilton County, Bosque County, Hill County, Navarro County, Freestone County, Anderson County, Lampasas County, Coryell County, Bell County, McLennan County, Falls County, Limestone County, Leon County, Milam County, Robertson County;470,000-
January 31, 2023Severe WeatherTexas: Dallas County, Anderson County, Bosque County, Collin County, Comanche County, Cooke County, Delta County, Denton County, Ellis County, Erath County, Fannin County, Freestone County, Hamilton County, Henderson County, Hill County, Hood County, Hopkins County, Hunt County, Jack County, Johnson County, Kaufman County, Lamar County, Navarro County, Palo Pinto County, Parker County, Rains County, Red River County, Rockwall County, Somervell County, Tarrant County, Van Zandt County, Wichita County, Wise County;360,000-
March 3, 2023Severe WeatherKentucky: Oldham County, Jefferson County, Fayette County, Franklin County, Hardin County, Hart County, Hopkins County, Jessamine County, Muhlenberg County, Nelson County, Scott County, Shelby County, Spencer County, Washington County, Woodford County, Bullitt County, Meade County, Lyon County, LaRue County, Henry County, Grayson County, Boyle County, Christian County, Anderson County; Virginia: Wise County;346,000-
February 22, 2023Severe WeatherMichigan: Van Buren County, Kalamazoo County, St. Joseph County, Calhoun County, Branch County, Hillsdale County, Jackson County, Washtenaw County, Monroe County, Lenawee County, Ingham County, Barry County, Allegan County, Ottawa County, Eaton County, Ingham County, Shiawassee County, Clinton County;261,043-
July 26, 2023- Weather or natural disasterMichigan: Oakland County, Wayne County, Macomb County, Washtenaw County, Livingston County;246,000-
December 16, 2023- Generator loss or failureLUMA Energy230,330220
July 18, 2023- Weather or natural disasterTennessee: Shelby County;216,0001,200
March 3, 2023Severe WeatherMichigan:200,0000
September 8, 2023- Weather or natural disasterTexas: Tarrant County, Dallas County;190,000-
January 7, 2023Severe WeatherCalifornia: Sacramento County;185,434458
February 1, 2023Severe WeatherTexas: Travis County;173,879370
December 18, 2023- Generator loss or failureLUMA Energy170,316115
April 29, 2023Severe WeatherTexas: Hidalgo County, Cameron County, Willacy County, Starr County;168,419-
July 14, 2023- Weather or natural disasterMissouri: Kansas:163,156-
January 12, 2023Severe WeatherAlabama: Georgia:162,0001,158
March 25, 2023Severe WeatherOhio: West Virginia: Virginia:160,801-
February 25, 2023Severe WeatherCalifornia: Los Angeles County;153,555-
October 4, 2023- Weather or natural disasterTexas:153,000-
June 29, 2023- Weather or natural disasterIndiana140,000-
September 24, 2023- Weather or natural disasterTexas: Dallas County, Tarrant County, McLennan County, Angelina County, Bell County, Williamson County, Smith County;130,000-
December 17, 2023- Generator loss or failureLUMA Energy127,58580
December 15, 2023- Generator loss or failureLUMA Energy126,197120
July 28, 2023- Weather or natural disasterIllinois: Winnebago County, Cook County, Will County, DeKalb County, Kendall County;122,921-
June 25, 2023- Weather or natural disasterTennessee120,000-
April 1, 2023Severe WeatherOhio: West Virginia: Virginia:118,000-
March 3, 2023Severe WeatherTennessee: Davidson County;115,000-
September 8, 2023- Weather or natural disasterConnecticut: Massachusetts: Maine: Rhode Island: Vermont: New Hampshire:114,000-
January 24, 2023Severe WeatherTexas: Harris County;100,731-
March 9, 2023Severe WeatherWisconsin: Walworth County, Waukesha County, Milwaukee County, Racine County, Ozaukee County, Kenosha County;100,000250
July 20, 2023- Weather or natural disasterMichigan:90,354-
July 28, 2023- Weather or natural disasterWisconsin: Jefferson County, Waukesha County, Milwaukee County, Sheboygan County, Washington County, Ozaukee County, Walworth County, Kenosha County, Racine County; Michigan:85,000213
March 14, 2023Severe WeatherConnecticut: Massachusetts: Vermont: Rhode Island: New Hampshire: Maine:83,000-
March 31, 2023Severe WeatherMinnesota: Ramsey County, Hennepin County, Dakota County, Washington County;80,000-
February 27, 2023Severe WeatherMichigan: Newaygo County, Oceana County, Ionia County, Montcalm County, Jackson County, Van Buren County, Washtenaw County, Hillsdale County, Lenawee County;76,000-
September 16, 2023- Weather or natural disasterConnecticut: Massachusetts: Maine: Rhode Island: Vermont: New Hampshire:75,000-
February 2, 2023Severe WeatherArkansas: Mississippi: Texas:74,426-
July 30, 2023- Weather or natural disasterMissouri: Kansas:72,173-
June 25, 2023- Weather or natural disasterWisconsin, Michigan70,000175
March 25, 2023Severe WeatherMichigan:67,8935,800
March 31, 2023Severe WeatherIllinois:65,000-
June 25, 2023- Weather or natural disasterArkansas, Mississippi64,732-
July 28, 2023- Weather or natural disasterMaryland: Harford County;61,000-
January 25, 2023Severe WeatherArkansas: Texas: Louisiana: Mississippi:60,958-
March 31, 2023Severe WeatherArkansas:58,368-
March 3, 2023Severe WeatherOhio: Kentucky:57,186-
February 23, 2023Severe WeatherWisconsin: Kenosha County, Racine County, Milwaukee County, Walworth County, Jefferson County, Waukesha County; Michigan:57,000143
July 29, 2023- Weather or natural disasterMaryland: Montgomery County;54,158-
May 1, 2023Severe WeatherConnecticut: Massachusetts: Rhode Island: Maine: New Hampshire: Vermont:54,000-
July 29, 2023- Weather or natural disasterMaryland:53,630-
July 28, 2023- Weather or natural disasterWest Virginia: Virginia:52,098-
December 19, 2023- Generator loss or failureLUMA Energy50,20477
March 3, 2023Severe WeatherAlabama: Georgia: Mississippi:48,384346
January 23, 2023Severe WeatherConnecticut: Rhode Island: Massachusetts: Vermont: New Hampshire: Maine:41,000-
December 23, 2023- Generator loss or failureLUMA Energy37,85065
December 25, 2023- Generator loss or failureLUMA Energy36,100105
July 20, 2023- Weather or natural disasterGeorgia:35,257640
July 22, 2023- OtherMississippi: Washington County, Sharkey County, Sunflower County;32,781130
September 25, 2023- Transmission equipment failureLouisiana: East Baton Rouge Parish;23,380103
March 3, 2023System OperationsMississippi:12,01438
March 23, 2023Actual Physical Attack/VandalismNevada: Clark County;11,47924
January 7, 2023Transmission InterruptionTexas: Jasper County, Tyler County;9,82320
September 29, 2023- Weather or natural disasterCalifornia: Butte County;9,08218
December 27, 2023- Weather or natural disasterOtter Tail Power Co8,00014
January 2, 2023Severe WeatherArkansas: Union County; Louisiana: Ouachita Parish;6,84920
June 22, 2023- Transmission equipment failureLouisiana6,24217
June 24, 2023- Vandalism - TheftMichigan5,2005
April 16, 2023Suspicious ActivityTexas: Louisiana: Arkansas: Mississippi:3,900-
January 1, 2023VandalismFlorida: Citrus County;3,50919
February 21, 2023Actual Physical Attack/VandalismFlorida: Orange County;2,547-
January 5, 2023Transmission InterruptionLouisiana: Concordia Parish;1,63123
July 17, 2023- VandalismNew York: Broome County;6420
May 11, 2023Suspicious ActivityMichigan: Eaton County;378-
May 13, 2023Actual Physical Attack/VandalismNorth Dakota: Williams County;3278
May 13, 2023Actual Physical Attack/VandalismNorth Dakota: Williams County;327166
March 4, 2023Transmission InterruptionLouisiana:33965
October 26, 2023- Transmission equipment failureTexas: Orange County;26-
April 17, 2023Actual Physical Attack/VandalismSouth Carolina: Aiken County;839
October 15, 2023- OtherCalifornia: Sacramento County;672
May 13, 2023Actual Physical Attack/VandalismNorth Dakota: Williams County;264
December 14, 2023- UnknownWestern Area Power Administration - Upper Great Plains Region - (NCR01036)120
April 18, 2023System OperationsSouth Dakota: Stanley County;14
September 15, 2023- Suspicious activityIllinois: Grundy County;00
September 18, 2023- Suspicious activityTexas: Cameron County;00
February 13, 2023VandalismWisconsin: Chippewa County;00
January 28, 2023Suspicious ActivityIllinois: Franklin County;00
July 28, 2023- Physical attack - Vandalism - OtherWashington: King County;00
February 8, 2023Suspicious ActivityPennsylvania: Lawrence County;00
February 6, 2023System OperationsFlorida: Hillsborough County;00
July 10, 2023- Transmission equipment failureTexas: El Paso County;00
March 3, 2023Suspicious ActivityTexas: Tarrant County;00
July 9, 2023- Vandalism - TheftOregon: Lane County;00
July 7, 2023- VandalismCalifornia: San Diego County;00
March 3, 2023Suspicious ActivityIllinois: Cook County;00
February 7, 2023Suspicious ActivityNew York: Queens County;00
July 6, 2023- OtherFlorida: Hillsborough County;00
January 2, 2023VandalismNew Mexico:0432
February 7, 2023Suspicious ActivityIllinois: DuPage County;00
January 1, 2023VandalismCalifornia: Riverside County;00
EAGLE-I tracked about n/a of US electricity customers in 2023; utilities it does not see are missing from every figure here. “Hrs per customer” divides outage customer-minutes by modeled county customers (a SAIDI-like measure including major event days), so it is not the EIA-861 SAIDI utilities file.