massoutage

Power outages by state

Across a decade of EAGLE-I records, North Carolina has the most power-outage exposure of any US state — its customers average about 23.3 hrs without power per year (SAIDI). Arizona has the least, at about 87 min. The full ranking of all 50 states with EAGLE-I history is below; lower is better.

#StateAvg SAIDI (hrs/yr)Total eventsWorst yearPeak customers out
1North Carolina23.3 hrs627,5052024(66.1 hrs)245,938
2Louisiana22.6 hrs402,8922021(99.7 hrs)204,888
3Maine19.4 hrs107,4962023(38.9 hrs)109,526
4West Virginia16.7 hrs253,9292024(21.6 hrs)59,406
5Michigan12.0 hrs401,9692021(26.6 hrs)311,048
6Florida11.1 hrs473,8992017(49.3 hrs)1,777,800
7South Carolina8.9 hrs300,7372024(50.1 hrs)270,050
8Mississippi8.3 hrs376,6382020(18.5 hrs)97,348
9Virginia7.8 hrs596,7322018(18.7 hrs)136,046
10Vermont7.6 hrs74,3032022(13.6 hrs)21,446
11Texas7.3 hrs1,110,7412024(25.5 hrs)1,660,703
12Georgia7.1 hrs847,5482024(25.8 hrs)178,832
13Oklahoma7.1 hrs373,9622020(27.7 hrs)193,316
14Arkansas7.0 hrs365,1942023(13.6 hrs)74,812
15New Hampshire6.9 hrs71,5112017(14.3 hrs)80,811
16Oregon6.6 hrs118,5592021(20.6 hrs)125,115
17Kentucky6.2 hrs513,1432023(14.9 hrs)141,810
18Alaska6.2 hrs25,7032022(13.2 hrs)66,516
19Rhode Island5.8 hrs31,9292017(13.5 hrs)84,135
20Washington5.5 hrs126,3562024(12.1 hrs)518,386
21California5.5 hrs197,3122019(9.6 hrs)1,717,886
22Alabama5.4 hrs359,9982020(22.1 hrs)143,114
23Pennsylvania5.3 hrs412,4932025(9.8 hrs)270,977
24Hawaii5.2 hrs8,8902023(10.5 hrs)66,478
25New Jersey5.1 hrs143,6692020(17.5 hrs)216,332
26Ohio5.0 hrs566,8662024(9.0 hrs)223,470
27Tennessee5.0 hrs343,2762023(11.1 hrs)155,108
28Massachusetts4.5 hrs109,7962018(12.6 hrs)351,202
29Iowa4.4 hrs320,6512020(27.4 hrs)114,873
30Missouri4.4 hrs409,7612023(9.4 hrs)311,925
31Indiana4.1 hrs393,0842025(6.4 hrs)66,663
32New York4.0 hrs336,0582020(10.4 hrs)599,357
33Montana3.7 hrs53,9512024(8.5 hrs)55,225
34Nebraska3.7 hrs68,5792024(12.1 hrs)157,876
35Idaho3.4 hrs94,8782021(5.7 hrs)45,980
36Wisconsin3.2 hrs312,4352021(4.7 hrs)89,708
37Maryland3.2 hrs149,1202022(5.5 hrs)120,582
38Utah3.1 hrs79,7662020(8.7 hrs)119,719
39Kansas3.1 hrs259,7012023(4.3 hrs)118,716
40South Dakota3.0 hrs46,9312022(6.9 hrs)41,253
41Minnesota2.7 hrs214,4122022(4.0 hrs)84,596
42Illinois2.6 hrs449,9842020(5.9 hrs)279,858
43New Mexico2.6 hrs93,3982024(5.2 hrs)117,576
44Colorado2.6 hrs154,3512024(4.7 hrs)156,331
45Delaware2.5 hrs25,5812020(4.3 hrs)61,872
46District of Columbia2.2 hrs10,4962018(4.8 hrs)76,819
47Nevada1.9 hrs51,9922025(3.8 hrs)54,821
48Wyoming1.9 hrs60,3722025(3.8 hrs)43,178
49North Dakota1.6 hrs33,0222023(4.1 hrs)20,585
50Arizona87 min33,6602023(2.1 hrs)718,642

SAIDI is the average time a customer is without power per year (including major storm days), computed from DOE/ORNL EAGLE-I county records — see our methodology. For a single year's detail see the annual reports, or the biggest outages in US history.