Major Power Outage Events
This page lists out some of the Major events that this site has captured, and gives brief stats on how the events affected the power grid.
Recovery Dates shows how long it took to repair 99% of all affected customers.
For detailed historical data email [email protected] with your request.
Hurricane Milton
Event: 2024/10/09 - 2024/10/10
Recovery: 2024/10/10 - 2024/10/17
Max Outage Count
3,440,000
Total Customers Affected
Over 4,010,000
Estimated People Affected
Over 8,800,000
Hurricane Helene
Event: 2024/09/26 - 2024/09/28
Recovery: 2024/09/27 - 2024/10/12
Max Outage Count
4,790,000
Total Customers Affected
Over 7,400,000
Estimated People Affected
Over 16,200,000
State Breakdown
| State | Customers Affected |
|---|---|
| Florida | 1,690,000 |
| South Carolina | 1,590,000 |
| Georgia | 1,280,000 |
| North Carolina | 1,180,000 |
2023 March Winter Event
Event: 2023/03/03 - 2023/03/04
Recovery: 2023/03/04 - 2023/03/07
Max Outage Count
1,500,000
Total Customers Affected
Over 4,300,000
Estimated People Affected
Over 9,000,000
State Breakdown
| State | Customers Affected |
|---|---|
| Kentucky | 730,000 |
| Tennessee | 580,000 |
| Texas | 570,000 |
| Michigan | 400,000 |
| AL, OH, PA, GA, IN, NY, WV, FL | 100,000 - 200,000 |
2022 December winter storm
Event: 2022/12/23 - 2022/12/25
Recovery: 2022/12/23 - 2022/12/27
Max Outage Count
1,600,000
Total Customers Affected
Over 6,350,000
Estimated People Affected
Over 13,330,000
State Breakdown
| State | Customers Affected |
|---|---|
| North Carolina | 940,000 |
| Tennessee | 710,000 |
| Maine | 380,000 |
| Pennsylvania | 360,000 |
| GA, VA, TX, NY, OH, NH, SC | 200,000 - 300,000 |
| AL, KY, CT, MD, MA, VT, WA, NJ | 100,000 - 200,000 |
Hurricane Ian
Event: 2022/09/28 - 2022/10/01
Recovery: 2022/09/29 - 2022/10/06
Max Outage Count
2,780,000
Total Customers Affected
Over 4,450,000
Estimated People Affected
Over 9,620,000
State Breakdown
| State | Customers Affected |
|---|---|
| Florida | 3,280,000 |
| North Carolina | 579,000 |
| South Carolina | 378,000 |
| Virginia | 211,000 |
Hurricane Fiona
Event: 2022/09/18 - 2022/09/24
Recovery: 2022/09/19 - 2022/10/05
Max Outage Count
2,780,000
Total Customers Affected
Over 1,400,000
Estimated People Affected
Over 3,200,000
2021 February Winter Storms
Event: Texas Outage Event
Max Outage Count
4,400,000
Total Customers Affected
Over 5,600,000
Estimated People Affected
Over 11,700,000
2020 Derecho Event
Event: 2020/08/10 - 2020/08/11
Recovery: 2020/08/11 - 2020/08/17
Max Outage Count
1,400,000
Total Customers Affected
Over 1,900,000
Estimated People Affected
Over 4,100,000
State Breakdown
| State | Customers Affected |
|---|---|
| Illinois | 759,000 |
| Iowa | 585,000 |
| Indiana | 283,000 |
| Other | 345,000 |
Hurricane Isaias
Event: 2020/08/03 - 2020/08/05
Recovery: 2020/08/05 - 2020/08/10
Max Outage Count
3,800,000
Total Customers Affected
Over 6,400,000
Estimated People Affected
Over 13,800,000
State Breakdown
| State | Customers Affected |
|---|---|
| New Jersey | 1,650,000 |
| New York | 1,190,000 |
| Connecticut | 861,000 |
| Pennsylvania | 577,000 |
April 2020 Major Storm
Event: 2020/04/12 - 2019/04/14
Recovery: 2019/04/14 - 2019/04/17
Max Outage Count
1,440,000
Total Customers Affected
Over 4,300,000
Estimated People Affected
Over 9,300,000
State Breakdown
| State | Customers Affected |
|---|---|
| North Carolina | 399,000 |
| South Carolina | 391,000 |
| Texas | 353,000 |
| Alabama | 243,000 |
California 2019 PSPS
Event: 2019/10/23 - 2019/10/27
Recovery: 2019/10/28 - 2019/10/30
Max Outage Count
1,100,000
Total Customers Affected
Over 1,600,000
Estimated People Affected
Over 3,400,000
New England Storm
Event: 2019/10/16 - 2019/10/17
Recovery: 2019/10/17 - 2019/10/20
Max Outage Count
613,000
Total Customers Affected
Over 1,200,000
Estimated People Affected
Over 2,600,000
State Breakdown
| State | Customers Affected |
|---|---|
| Massachusetts | 322,000 |
| Maine | 274,000 |
| Pennsylvania | 154,000 |
| New York | 128,000 |
Thunderstorm Event
Event: 2019/07/19 - 2019/07/23
Recovery: 2019/07/23 - 2019/07/24
Max Outage Count
760,000
Total Customers Affected
Over 2,700,000
Estimated People Affected
Over 5,600,000
State Breakdown
| State | Customers Affected |
|---|---|
| Michigan | 686,000 |
| New Jersey | 519,000 |
| Wisconsin | 358,000 |
| Pennsylvania | 254,000 |
Hurricane Michael
Event: 2018/10/10 - 2018/10/12
Recovery: 2018/10/12 - 2018/10/25
Max Outage Count
1,600,000
Total Customers Affected
Over 3,100,000
Estimated People Affected
Over 6,800,000
State Breakdown
| State | Customers Affected |
|---|---|
| North Carolina | 843,000 |
| Virginia | 749,000 |
| Florida | 672,000 |
| Georgia | 512,000 |
Hurricane Florence
Event: 2018/09/13 - 2018/09/14
Recovery: 2018/09/14 - 2018/09/22
Max Outage Count
930,000
Total Customers Affected
Over 1,400,000
Estimated People Affected
Over 3,100,000
State Breakdown
| State | Customers Affected |
|---|---|
| North Carolina | 769,000 |
| South Carolina | 156,000 |
Snow Storm Benji
Event: 2017/12/07 - 2017/12/09
Recovery: 2017/12/09 - 2017/12/11
Max Outage Count
509,000
Total Customers Affected
Over 910,000
Estimated People Affected
Over 1,900,000
State Breakdown
| State | Customers Affected |
|---|---|
| Georgia | 289,167 |
| Texas | 105,809 |
| Louisiana | 104,261 |
Bombogenesis Storm
Event: 2017/10/29 - 2017/10/30
Recovery: 2017/10/30 - 2017/11/03
Max Outage Count
1,800,000
State Breakdown
| State | Customers Affected |
|---|---|
| Maine | 494,924 |
| Massachusetts | 318,387 |
| New Hampshire | 274,304 |
| Connecticut | 180,642 |
| Rhode Island | 149,467 |
Hurricane Irma
Event: 2017/09/09 - 2017/09/11
Recovery: 2017/09/11 - 2017/09/23
Max Outage Count
7,600,000
State Breakdown
| State | Customers Affected |
|---|---|
| Florida | 6,051,232 |
| Georgia | 1,329,496 |
| South Carolina | 273,733 |
Hurricane Harvey
Event: 2017/08/25 - 2017/08/29
Recovery: 2017/08/29 - 2017/09/12
Max Outage Count
309,000
State Breakdown
| State | Customers Affected |
|---|---|
| Texas | 309,204 |
Hurricane Matthew
Event: 2016/10/07 - 2016/10/08
Max Outage Count
1,500,000
State Breakdown
| State | Customers Affected |
|---|---|
| Florida | 850,000 |
| South Carolina | 400,000 |
| Georgia | 330,000 |