2022 New Hampshire Power Outage Report
In 2022, the average New Hampshire customer went without power for about 8.6 hours, the 10th worst of 51 states (US average 6.2 hours). Figures from DOE/ORNL EAGLE-I, including major storm days.
Avg hrs / customer
8.6
vs prior year
▲ 151%
vs 2021
Customer-hours out
6.4M
Peak customers out
134,259
across the state at once
EAGLE-I coverage
99%
of NH customers
Counties reporting
10
New Hampshire year over year
Month by month, 2022
Customer-hours without power across New Hampshire; December was the worst.
All 10 New Hampshire counties, 2022
Ranked by average hours without power per customer. Each county links to its annual report.
| # | County | Hrs / customer | Customer-hours | Customers | Peak out | Events |
|---|---|---|---|---|---|---|
| 1 | Carroll County | 32.0 | 833K | 26,009 | 16,569 | 673 |
| 2 | Belknap County | 24.2 | 786K | 32,434 | 19,985 | 631 |
| 3 | Sullivan County | 19.5 | 392K | 20,079 | 8,776 | 513 |
| 4 | Coos County | 15.1 | 362K | 24,038 | 6,516 | 426 |
| 5 | Grafton County | 14.5 | 725K | 49,895 | 9,802 | 745 |
| 6 | Merrimack County | 6.6 | 770K | 115,899 | 28,015 | 865 |
| 7 | Cheshire County | 6.5 | 235K | 36,014 | 6,095 | 646 |
| 8 | Rockingham County | 5.8 | 898K | 154,048 | 35,505 | 1,015 |
| 9 | Strafford County | 5.4 | 482K | 89,738 | 17,206 | 643 |
| 10 | Hillsborough County | 4.8 | 941K | 196,402 | 25,082 | 1,017 |
Biggest New Hampshire outages of 2022
Up to 25 county outage episodes with the most customers out at once.
| # | County | Started (UTC) | Ended (UTC) | Duration | Peak out | Customer-hours |
|---|---|---|---|---|---|---|
| 1 | Rockingham County, NH | December 23, 2022 05:00 | December 28, 2022 03:30 | 4d 22h | 35,505 | 639K |
| 2 | Merrimack County, NH | December 23, 2022 03:45 | December 27, 2022 20:00 | 4d 16h | 28,015 | 525K |
| 3 | Hillsborough County, NH | December 23, 2022 07:45 | December 27, 2022 05:00 | 3d 21h | 25,082 | 505K |
| 4 | Hillsborough County, NH | June 7, 2022 12:15 | June 8, 2022 02:45 | 14h 30m | 22,267 | 17K |
| 5 | Belknap County, NH | December 18, 2022 23:00 | January 1, 2023 00:00 | 13d 1h | 19,985 | 575K |
| 6 | Strafford County, NH | December 23, 2022 09:00 | December 27, 2022 23:45 | 4d 14h | 17,206 | 363K |
| 7 | Carroll County, NH | December 16, 2022 17:30 | December 20, 2022 07:00 | 3d 13h | 16,569 | 369K |
| 8 | Rockingham County, NH | August 22, 2022 15:15 | August 22, 2022 20:00 | 4h 45m | 13,365 | 5,464 |
| 9 | Strafford County, NH | June 19, 2022 22:15 | June 19, 2022 23:45 | 1h 30m | 12,807 | 5,382 |
| 10 | Rockingham County, NH | June 19, 2022 22:15 | June 19, 2022 23:30 | 1h 15m | 12,273 | 4,134 |
| 11 | Hillsborough County, NH | March 8, 2022 02:45 | March 9, 2022 04:00 | 1d 1h | 12,171 | 41K |
| 12 | Hillsborough County, NH | December 16, 2022 17:00 | December 19, 2022 09:15 | 2d 16h | 10,585 | 166K |
| 13 | Grafton County, NH | December 23, 2022 05:30 | December 27, 2022 23:15 | 4d 17h | 9,802 | 320K |
| 14 | Grafton County, NH | December 16, 2022 13:00 | December 20, 2022 04:45 | 3d 15h | 9,727 | 165K |
| 15 | Grafton County, NH | July 21, 2022 17:45 | July 23, 2022 03:45 | 1d 10h | 9,431 | 34K |
| 16 | Carroll County, NH | December 23, 2022 07:00 | January 1, 2023 00:00 | 8d 17h | 9,178 | 237K |
| 17 | Sullivan County, NH | December 16, 2022 17:30 | December 20, 2022 08:00 | 3d 14h | 8,776 | 173K |
| 18 | Sullivan County, NH | December 14, 2022 17:15 | December 14, 2022 19:15 | 2h | 8,672 | 7,303 |
| 19 | Belknap County, NH | December 16, 2022 19:00 | December 18, 2022 22:00 | 2d 3h | 6,923 | 79K |
| 20 | Strafford County, NH | May 17, 2022 12:30 | May 18, 2022 02:00 | 13h 30m | 6,812 | 12K |
| 21 | Coos County, NH | December 23, 2022 07:45 | December 27, 2022 04:15 | 3d 20h | 6,516 | 156K |
| 22 | Coos County, NH | December 17, 2022 04:00 | December 18, 2022 16:30 | 1d 12h | 6,289 | 81K |
| 23 | Cheshire County, NH | December 16, 2022 15:00 | December 19, 2022 18:15 | 3d 3h | 6,095 | 113K |
| 24 | Grafton County, NH | April 19, 2022 08:45 | April 20, 2022 21:00 | 1d 12h | 5,970 | 38K |
| 25 | Rockingham County, NH | July 21, 2022 18:45 | July 23, 2022 05:00 | 1d 10h | 5,791 | 17K |
EAGLE-I tracked about 99% of New Hampshire's electricity customers in 2022; outages at utilities it does not see are not counted. Hours per customer divide outage customer-minutes by modeled county customers.
Part of the 2022 US Power Outage Report.
Data from DOE EAGLE-I, every source we read.