massoutage

County annual report · FIPS 33011

2016 Hillsborough County, NH Power Outage Report

In 2016, customers in Hillsborough County, NH went without power for an average of 2.9 hours, a total of 569K customer-hours (New Hampshire average 3.2 hours). That ranks 6th worst of 10 New Hampshire counties and 1018th of 2,391 nationally.

Summary data CSVJSON
Avg hrs / customer
2.9
196,402 customers
Customer-hours out
569K
Peak customers out
20,735
Outages ≥1,000 out
56
3 of 10,000+ · 1,028 total
Longest outage
2d 2h
began July 23, 2016
Rank in state
6th/10
1018th of 2,391 US

Compared with NH, the US and 2015

Hillsborough County, NH average hours without power per customer compared with state and national averages, 2016Hillsborough County 2.9 hours, New Hampshire average 3.2 hours, US average 3.9 hours, Hillsborough County, 2015 1.5 hoursHillsborough CountyHillsborough County2.9hNew Hampshire averageNew Hampshire average3.2hUS averageUS average3.9hHillsborough County, 2015Hillsborough County,…1.5h
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Average hours without power per customer in 2016; last bar is this county in 2015.

Month by month

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Hillsborough County, NH customer-hours without power by month, 2016Jan 18K, Feb 23K, Mar 53K, Apr 14K, May 40K, Jun 50K, Jul 199K, Aug 28K, Sep 61K, Oct 29K, Nov 22K, Dec 33K050k100k150k200k18KJan23KFeb53KMar14KApr40KMay50KJun199KJul28KAug61KSep29KOct22KNov33KDec
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Customer-hours; July was the worst month.

Hillsborough County year over year

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Hillsborough County, NH: average hours without power per customer by year2015: 1.5h; 2016: 2.9h; 2017: 9.5h; 2018: 4.7h, coverage 88%; 2019: 1.4h, coverage 99%; 2020: 4.8h, coverage 99%; 2021: 2.1h, coverage 99%; 2022: 4.8h, coverage 99%; 2023: 10.1h; 2024: 6.9h; 2025: 2.3h0510150%50%100%1.5h20152.9h20169.5h20174.7h20181.4h20194.8h20202.1h20214.8h202210.1h20236.9h20242.3h2025
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Average hours without power per customer. Line: EAGLE-I coverage, share of customers tracked (right axis).

Coverage line is EAGLE-I's share of New Hampshire customers tracked each year.

Biggest outages in Hillsborough County, 2016

The 10 outage episodes with the most customers out at once. Times are UTC.

CSVJSON
#Started (UTC)Ended (UTC)DurationPeak outCustomer-hours
1July 23, 2016 22:00July 26, 2016 00:302d 2h20,735164K
2May 15, 2016 14:30May 15, 2016 21:457h 15m17,81817K
3March 29, 2016 12:00March 29, 2016 21:459h 45m16,1936,567
4July 18, 2016 15:15July 19, 2016 08:4517h 30m7,18516K
5September 11, 2016 13:45September 12, 2016 05:0015h 15m6,46742K
6March 1, 2016 06:15March 1, 2016 19:4513h 30m4,64516K
7September 6, 2016 12:30September 6, 2016 19:156h 45m4,6223,077
8March 31, 2016 14:30March 31, 2016 23:459h 15m4,2625,330
9January 21, 2016 12:30January 21, 2016 19:457h 15m4,1371,933
10November 11, 2016 16:45November 12, 2016 08:1515h 30m3,86313K

Outage episodes by size in 2016: 219 reached 100+ customers, 56 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 Hillsborough County reported on EIA Form 861 for 2016, or their most recent earlier filing. Utility-wide figures, not county-specific.

CSVJSON
UtilityEIA yearSAIDISAIFISAIDI excl. major eventsSAIFI excl. major events
Public Service Co of NH20163.3 hrs1.572.3 hrs1.39
Liberty Utilities (Granite State Electri20162.7 hrs1.742.3 hrs1.67

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 2016; utilities it does not see are not counted.
  • Hours per customer = outage customer-minutes ÷ 196,402 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. Hillsborough County has data for 2015–2025.

Cite this report

MassOutage (massoutage.com), Hillsborough County, NH annual power outage report, 2016, 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/2016/new-hampshire/hillsborough-county

summary CSVJSONyears CSVJSONmonths CSVJSONevents CSVJSONutilities CSVJSON