massoutage

2015 US Power Outage Report

In 2015, the average US customer tracked by EAGLE-I went without power for about 2.8 hours, the 11th worst of the 11 loaded years (2015–2025). Figures include major storm days.

Avg hrs / customer
2.8
Customer-hours out
389.8M
EAGLE-I coverage
n/a
of US customers
Largest county peak
217,351
customers out at once
Outage events
826,844
Counties reporting
2,498

2015 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, 2015

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

CSVJSON
US customer-hours without power by month, 2015Jan 15.8M, Feb 24.2M, Mar 20.1M, Apr 24.8M, May 28.6M, Jun 65.3M, Jul 41.6M, Aug 42.5M, Sep 23.3M, Oct 25.3M, Nov 41.8M, Dec 36.6M020M40M60M80M15.8MJan24.2MFeb20.1MMar24.8MApr28.6MMay65.3MJun41.6MJul42.5MAug23.3MSep25.3MOct41.8MNov36.6MDec
Use the arrow keys to read values.

Hardest-hit counties in 2015

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
1Caddo County, OK122.71.7M13,54013,540841
2Clay County, WV113.8280K2,4632,463237
3Wirt County, WV101.2285K2,8132,813278
4Alcona County, MI98.3595K6,0505,149296
5Calhoun County, WV94.7331K3,5003,500275
6Ritchie County, WV92.7462K4,9844,984318
7Doddridge County, WV81.5317K3,8913,891212
8Ogemaw County, MI80.7942K11,6819,196392
9Tyler County, WV79.5381K4,7874,787285
10Gilmer County, WV77.3356K4,6014,601248
11Braxton County, WV75.7542K7,1576,148382
12Culberson County, TX75.576K1,0001,00030
13Kiowa County, OK72.7304K4,1754,175213
14Durham County, NC71.4429K6,0086,008823
15Chatham County, NC71.0270K3,7973,797686
16Harmon County, OK67.299K1,4711,21845
17Oscoda County, MI67.1339K5,0442,730231
18New Hanover County, NC64.8165K2,5442,544939
19Huron County, MI64.1676K10,54510,545302
20Collingsworth County, TX60.175K1,2491,24959
21Berrien County, MI59.3760K12,80512,148681
22Pocahontas County, WV59.0271K4,5994,599301
23Wheeler County, TX57.3133K2,3202,320161
24Crawford County, MI57.0469K8,2185,683318
25Roane County, WV54.3443K8,1586,137361

States in 2015

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
1West Virginia17.3-17.5M86,474n/a
2Washington9.1-26.4M374,211n/a
3Michigan6.8-32.8M178,422n/a
4North Carolina6.5-12.7M138,331n/a
5Rhode Island5.9-3.0M123,163n/a
6Louisiana5.8-14.0M192,123n/a
7Oklahoma5.1-10.4M111,121n/a
8New Jersey4.5-18.6M320,340n/a
9Arkansas3.7-6.1M38,921n/a
10Pennsylvania3.2-19.7M240,995n/a
11Oregon3.2-3.3M70,452n/a
12California3.1-37.6M131,005n/a
13Delaware3.1-1.6M45,915n/a
14Indiana2.9-9.0M49,441n/a
15Maine2.8-2.2M24,450n/a
16Alaska2.8-119K11,508n/a
17Virginia2.6-10.5M106,413n/a
18Vermont2.6-1.0M7,773n/a
19Mississippi2.6-3.6M28,025n/a
20Idaho2.6-2.1M53,595n/a
21District of Columbia2.5-829K6,662n/a
22South Carolina2.5-7.1M82,760n/a
23Ohio2.5-14.1M74,245n/a
24Tennessee2.4-6.2M45,013n/a
25Kentucky2.3-5.2M40,123n/a
26New Hampshire2.3-1.7M30,946n/a
27Montana2.3-271K7,295n/a
28Illinois2.3-13.5M207,255n/a
29Kansas2.2-3.1M29,329n/a
30Missouri2.2-5.9M105,852n/a
31Maryland2.0-5.4M95,215n/a
32Texas1.9-26.0M103,744n/a
33Georgia1.8-9.3M122,761n/a
34Minnesota1.7-4.5M58,414n/a
35New York1.6-13.6M53,637n/a
36Florida1.6-18.0M50,884n/a
37New Mexico1.6-1.4M16,512n/a
38Wisconsin1.5-4.5M54,298n/a
39Massachusetts1.5-4.8M50,678n/a
40Colorado1.2-3.2M21,215n/a
41Iowa1.1-1.7M14,801n/a
42Nevada1.0-1.4M37,008n/a
43Nebraska0.8-537K12,030n/a
44South Dakota0.7-147K6,882n/a
45North Dakota0.6-137K15,146n/a
46Alabama0.5-530K48,366n/a
47Arizona0.4-1.1M23,163n/a
48Wyoming0.4-5,287327n/a
49Connecticut--3.5M107,973n/a

Biggest single outages of 2015

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

CSVJSON
#CountyStarted (UTC)Ended (UTC)DurationPeak outCustomer-hours
1Spokane County, WANovember 18, 2015 15:45December 1, 2015 09:4512d 18h217,3519.1M
2Spokane County, WANovember 17, 2015 17:45November 18, 2015 15:0021h 15m217,3511.7M
3Cook County, ILMarch 11, 2015 10:00March 13, 2015 10:302d144,53846K
4Orange County, CAJune 8, 2015 04:00June 11, 2015 14:303d 10h124,111256K
5King County, WAAugust 25, 2015 13:45September 8, 2015 00:3013d 10h117,2621.9M
6King County, WANovember 12, 2015 08:45November 18, 2015 15:006d 6h114,5071.5M
7Delaware County, PAJune 23, 2015 09:30June 29, 2015 09:005d 23h107,2293.1M
8Camden County, NJJune 23, 2015 09:30June 29, 2015 09:155d 23h93,8244.2M
9Bergen County, NJAugust 20, 2015 11:30August 22, 2015 02:301d 15h93,11434K
10Gloucester County, NJJune 23, 2015 13:00June 29, 2015 09:155d 20h81,6575.2M
11Chester County, PAJune 23, 2015 20:30June 29, 2015 09:005d 12h75,7182.3M
12Hudson County, NJAugust 20, 2015 18:00August 21, 2015 02:158h 15m73,09624K
13Jackson County, MOJune 22, 2015 03:00June 29, 2015 09:007d 6h73,0661.6M
14Harris County, TXJanuary 1, 2015 00:00January 6, 2015 23:005d 23h68,9201.5M
15San Diego County, CASeptember 20, 2015 20:15September 20, 2015 22:152h68,54996K
16Tarrant County, TXApril 16, 2015 11:15April 21, 2015 18:155d 7h67,373678K
17King County, WAOctober 12, 2015 13:45November 1, 2015 04:0019d 14h64,221291K
18Wayne County, MIJune 7, 2015 02:15June 29, 2015 09:0022d 6h61,7041.8M
19Burlington County, NJJune 23, 2015 21:30June 29, 2015 09:155d 11h60,1661.7M
20Cape May County, NJJune 23, 2015 22:15June 26, 2015 17:452d 19h56,097121K
21King County, WANovember 18, 2015 15:45November 23, 2015 07:154d 15h55,641436K
22Whatcom County, WAAugust 26, 2015 14:30September 5, 2015 09:159d 18h54,3721.7M
23Kent County, RIAugust 4, 2015 10:30August 4, 2015 17:457h 15m53,780318K
24Kent County, RIAugust 4, 2015 18:30August 5, 2015 03:158h 45m53,428406K
25Harris County, TXJanuary 11, 2015 10:30January 26, 2015 17:3015d 7h52,685129K
EAGLE-I tracked about n/a of US electricity customers in 2015; 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.