County annual report · FIPS 33015
2022 Rockingham County, NH Power Outage Report
In 2022, customers in Rockingham County, NH went without power for an average of 5.8 hours, a total of 898K customer-hours (New Hampshire average 8.6 hours). That ranks 8th worst of 10 New Hampshire counties and 1234th of 2,976 nationally.
Compared with NH, the US and 2021
Coverage line is EAGLE-I's share of New Hampshire customers tracked each year.
Biggest outages in Rockingham County, 2022
The 10 outage episodes with the most customers out at once. Times are UTC.
| # | Started (UTC) | Ended (UTC) | Duration | Peak out | Customer-hours |
|---|---|---|---|---|---|
| 1 | December 23, 2022 05:00 | December 28, 2022 03:30 | 4d 22h | 35,505 | 639K |
| 2 | August 22, 2022 15:15 | August 22, 2022 20:00 | 4h 45m | 13,365 | 5,464 |
| 3 | June 19, 2022 22:15 | June 19, 2022 23:30 | 1h 15m | 12,273 | 4,134 |
| 4 | July 21, 2022 18:45 | July 23, 2022 05:00 | 1d 10h | 5,791 | 17K |
| 5 | May 17, 2022 13:15 | May 18, 2022 02:15 | 13h | 5,183 | 8,184 |
| 6 | March 8, 2022 02:45 | March 9, 2022 03:00 | 1d | 4,476 | 7,067 |
| 7 | August 17, 2022 20:45 | August 18, 2022 00:45 | 4h | 4,281 | 1,306 |
| 8 | January 17, 2022 10:30 | January 18, 2022 03:30 | 17h | 3,682 | 11K |
| 9 | November 30, 2022 10:15 | December 2, 2022 03:15 | 1d 17h | 3,537 | 15K |
| 10 | June 16, 2022 01:30 | June 16, 2022 03:15 | 1h 45m | 3,285 | 5,259 |
Outage episodes by size in 2022: 162 reached 100+ customers, 40 reached 1,000+ customers, 3 reached 10,000+ customers.
Utility reliability filed with the EIA
SAIDI (average outage time per customer) and SAIFI (average interruptions per customer) that utilities serving Rockingham County reported on EIA Form 861 for 2022, or their most recent earlier filing. Utility-wide figures, not county-specific.
| Utility | EIA year | SAIDI | SAIFI | SAIDI excl. major events | SAIFI excl. major events |
|---|---|---|---|---|---|
| Public Service Co of NH | 2022 | 9.2 hrs | 1.44 | 79 min | 0.68 |
| Liberty Utilities (Granite State Electri | 2022 | 3.4 hrs | 1.14 | 84 min | 0.64 |
| Unitil Energy Systems | 2022 | 4.6 hrs | 1.40 | 71 min | 0.88 |
| New Hampshire Elec Coop Inc | - | - | - | - | - |
About this data
- Outage figures come from DOE/ORNL EAGLE-I, which records customers out by county every 15 minutes. EAGLE-I tracked about 99% of New Hampshire's customers in 2022; utilities it does not see are not counted.
- Hours per customer = outage customer-minutes ÷ 154,048 customers (ORNL modeled county customer count), including major storm days. It is comparable across counties but is not the SAIDI a utility files.
- An outage event is a continuous stretch with customers out; counts at 100, 1,000 and 10,000+ use its peak.
- Years loaded: 2015–2025. Rockingham County has data for 2015–2025.
Cite this report
MassOutage (massoutage.com), Rockingham County, NH annual power outage report, 2022, data as of Oct 3, 2026 02:41 UTC, sources: DOE EAGLE-I (https://eagle-i.doe.gov/); EAGLE-I modeled customer counts (MCC) (https://figshare.com/); EIA Form 861 (utility reliability) (https://www.eia.gov/electricity/data/eia861/). https://massoutage.com/reports/2022/new-hampshire/rockingham-county