massoutage

Power outages by state

Across a decade of EAGLE-I records, Louisiana has the most power-outage exposure of any US state; its customers average about 21.7 hrs without power per year (SAIDI). Arizona has the least, at about 87 min. The full ranking of all 50 states (and DC) with EAGLE-I history is below; lower is better.

#StateAvg SAIDI (hrs/yr)County outagesWorst yearPeak customers out
1Louisiana21.7 hrs402,8922021(97.9 hrs)1,015,268
2Maine19.4 hrs107,4962023(38.6 hrs)481,891
3North Carolina17.5 hrs627,5052018(42.5 hrs)585,053
4West Virginia16.6 hrs253,9292024(21.6 hrs)162,447
5Michigan12.0 hrs401,9692021(26.6 hrs)873,852
6Florida11.0 hrs473,8992017(48.8 hrs)7,974,154
7South Carolina8.7 hrs300,7372024(48.3 hrs)1,294,179
8Mississippi8.2 hrs376,6382020(18.3 hrs)228,680
9Virginia7.6 hrs596,7322018(17.4 hrs)553,520
10Vermont7.6 hrs74,3032022(13.6 hrs)74,170
11Oklahoma7.1 hrs373,9622020(27.7 hrs)379,391
12Texas7.1 hrs1,110,7412024(24.4 hrs)3,787,625
13Georgia7.1 hrs847,5482024(25.3 hrs)1,291,216
14Arkansas7.0 hrs365,1942023(13.6 hrs)163,448
15New Hampshire6.9 hrs71,5112017(14.3 hrs)250,026
16Oregon6.6 hrs118,5592021(20.5 hrs)340,479
17Kentucky6.2 hrs513,1432023(14.9 hrs)528,390
18Alaska6.1 hrs25,7032022(13.1 hrs)66,842
19Rhode Island5.8 hrs31,9292017(13.5 hrs)149,469
20Washington5.5 hrs126,3562024(12.1 hrs)706,953
21California5.5 hrs197,3122019(9.3 hrs)2,734,535
22Alabama5.4 hrs359,9982020(21.9 hrs)485,028
23Pennsylvania5.3 hrs412,4932025(9.8 hrs)575,013
24Hawaii5.2 hrs8,8902023(10.5 hrs)66,563
25New Jersey5.1 hrs143,6692020(17.4 hrs)1,373,895
26Ohio5.0 hrs566,8662024(9.0 hrs)519,216
27Tennessee5.0 hrs343,2762023(11.1 hrs)365,501
28Massachusetts4.5 hrs109,7962018(12.5 hrs)716,141
29Iowa4.4 hrs320,6512020(27.3 hrs)487,454
30Missouri4.4 hrs409,7612023(9.4 hrs)177,283
31Indiana4.1 hrs393,0842025(6.4 hrs)226,126
32New York4.0 hrs336,0582020(10.4 hrs)1,173,487
33Montana3.7 hrs53,9512024(8.5 hrs)95,420
34Nebraska3.7 hrs68,5792024(12.1 hrs)219,263
35Idaho3.4 hrs94,8782021(5.6 hrs)90,415
36Wisconsin3.2 hrs312,4352021(4.7 hrs)174,130
37Maryland3.2 hrs149,1202022(5.5 hrs)353,911
38Utah3.1 hrs79,7662020(8.6 hrs)180,036
39Kansas3.1 hrs259,7012023(4.3 hrs)346,184
40South Dakota3.0 hrs46,9312022(6.9 hrs)76,306
41Minnesota2.7 hrs214,4122022(4.0 hrs)155,534
42Illinois2.6 hrs449,9842020(5.9 hrs)756,576
43New Mexico2.6 hrs93,3982024(5.2 hrs)143,000
44Colorado2.6 hrs154,3512024(4.7 hrs)701,699
45Delaware2.5 hrs25,5812020(4.3 hrs)74,961
46District of Columbia2.2 hrs10,4962018(4.8 hrs)76,819
47Nevada1.9 hrs51,9922025(3.8 hrs)73,664
48Wyoming1.9 hrs60,3722025(3.7 hrs)89,889
49North Dakota1.6 hrs33,0222023(4.0 hrs)32,121
50Arizona87 min33,6602022(2.0 hrs)127,384

Territories

Reported on their own: not ranked with the states above.

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.

Data from DOE EAGLE-I, every source we read.