County annual report · FIPS 33019
2024 Sullivan County, NH Power Outage Report
In 2024, customers in Sullivan County, NH went without power for an average of 14.2 hours, a total of 286K customer-hours (New Hampshire average 14.2 hours). That ranks 4th worst of 10 New Hampshire counties and 686th of 2,990 nationally.
Compared with NH, the US and 2023
Coverage line is EAGLE-I's share of New Hampshire customers tracked each year.
Biggest outages in Sullivan County, 2024
The 10 outage episodes with the most customers out at once. Times are UTC.
| # | Started (UTC) | Ended (UTC) | Duration | Peak out | Customer-hours |
|---|---|---|---|---|---|
| 1 | February 29, 2024 00:30 | March 1, 2024 10:00 | 1d 9h | 4,585 | 19K |
| 2 | November 28, 2024 18:45 | November 30, 2024 05:45 | 1d 11h | 4,420 | 23K |
| 3 | April 3, 2024 23:00 | April 6, 2024 22:15 | 2d 23h | 4,265 | 79K |
| 4 | March 21, 2024 20:15 | March 26, 2024 23:15 | 5d 3h | 3,205 | 40K |
| 5 | June 20, 2024 21:00 | June 21, 2024 06:00 | 9h | 3,073 | 8,359 |
| 6 | July 16, 2024 20:00 | July 17, 2024 23:00 | 1d 3h | 2,896 | 10K |
| 7 | January 13, 2024 06:30 | January 15, 2024 05:30 | 1d 23h | 2,538 | 34K |
| 8 | August 9, 2024 21:00 | August 10, 2024 21:45 | 1d | 2,140 | 9,637 |
| 9 | March 10, 2024 06:15 | March 12, 2024 06:30 | 2d | 1,507 | 15K |
| 10 | August 20, 2024 03:45 | August 20, 2024 06:00 | 2h 15m | 1,216 | 2,736 |
Outage episodes by size in 2024: 56 reached 100+ customers, 12 reached 1,000+ customers, 0 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 Sullivan County reported on EIA Form 861 for 2024, 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 | 2024 | 13.1 hrs | 1.60 | 82 min | 0.74 |
| Liberty Utilities (Granite State Electri | 2024 | 6.2 hrs | 1.55 | 1.5 hrs | 0.82 |
| 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 n/a of New Hampshire's customers in 2024; utilities it does not see are not counted.
- Hours per customer = outage customer-minutes ÷ 20,079 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. Sullivan County has data for 2015–2025.
Cite this report
MassOutage (massoutage.com), Sullivan County, NH annual power outage report, 2024, 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/2024/new-hampshire/sullivan-county