County annual report · FIPS 33009
2015 Grafton County, NH Power Outage Report
In 2015, customers in Grafton County, NH went without power for an average of 1.7 hours, a total of 83K customer-hours (New Hampshire average 2.3 hours). That ranks 8th worst of 10 New Hampshire counties and 1386th of 2,484 nationally.
Compared with NH, the US
Coverage line is EAGLE-I's share of New Hampshire customers tracked each year.
Biggest outages in Grafton County, 2015
The 10 outage episodes with the most customers out at once. Times are UTC.
| # | Started (UTC) | Ended (UTC) | Duration | Peak out | Customer-hours |
|---|---|---|---|---|---|
| 1 | August 24, 2015 04:30 | August 24, 2015 06:30 | 2h | 4,590 | 9,180 |
| 2 | July 19, 2015 22:30 | July 20, 2015 22:30 | 1d | 2,504 | 8,713 |
| 3 | June 14, 2015 11:00 | June 14, 2015 14:15 | 3h 15m | 2,205 | 3,310 |
| 4 | August 3, 2015 21:45 | August 4, 2015 17:45 | 20h | 1,953 | 11K |
| 5 | November 11, 2015 03:45 | November 11, 2015 10:45 | 7h | 1,888 | 2,966 |
| 6 | May 27, 2015 20:00 | May 28, 2015 13:30 | 17h 30m | 1,436 | 7,830 |
| 7 | August 4, 2015 18:30 | August 4, 2015 23:45 | 5h 15m | 1,306 | 1,626 |
| 8 | November 5, 2015 16:45 | November 5, 2015 19:15 | 2h 30m | 1,281 | 775 |
| 9 | March 15, 2015 12:30 | March 15, 2015 19:45 | 7h 15m | 1,018 | 6,357 |
| 10 | September 9, 2015 22:45 | September 10, 2015 04:00 | 5h 15m | 970 | 2,729 |
Outage episodes by size in 2015: 49 reached 100+ customers, 9 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 Grafton County reported on EIA Form 861 for 2015, 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 | 2015 | 1.9 hrs | 1.09 | 1.8 hrs | 1.05 |
| Liberty Utilities (Granite State Electri | 2015 | 2.2 hrs | 0.80 | 75 min | 0.72 |
| New Hampshire Elec Coop Inc | - | - | - | - | - |
| Precinct of Woodsville | - | - | - | - | - |
| Town of Ashland | - | - | - | - | - |
| Town of Littleton - (NH) | - | - | - | - | - |
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 2015; utilities it does not see are not counted.
- Hours per customer = outage customer-minutes ÷ 49,895 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. Grafton County has data for 2015–2025.
Cite this report
MassOutage (massoutage.com), Grafton County, NH annual power outage report, 2015, 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/2015/new-hampshire/grafton-county