massoutage

County annual report · FIPS 34035

2019 Somerset County, NJ Power Outage Report

In 2019, customers in Somerset County, NJ went without power for an average of 3.3 hours, a total of 572K customer-hours (New Jersey average 4.7 hours). That ranks 11th worst of 21 New Jersey counties and 1535th of 2,945 nationally.

Summary data CSVJSON
Avg hrs / customer
3.3
172,530 customers
Customer-hours out
572K
Peak customers out
9,880
Outages ≥1,000 out
50
0 of 10,000+ · 628 total
Longest outage
14d 18h
began March 3, 2019
Rank in state
11th/21
1535th of 2,945 US

Compared with NJ, the US and 2018

Somerset County, NJ average hours without power per customer compared with state and national averages, 2019Somerset County 3.3 hours, New Jersey average 4.7 hours, US average 4.7 hours, Somerset County, 2018 12.0 hoursSomerset CountySomerset County3.3hNew Jersey averageNew Jersey average4.7hUS averageUS average4.7hSomerset County, 2018Somerset County, 201812.0h
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Average hours without power per customer in 2019; last bar is this county in 2018.

Month by month

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Somerset County, NJ customer-hours without power by month, 2019Jan 13K, Feb 95K, Mar 39K, Apr 35K, May 17K, Jun 42K, Jul 122K, Aug 45K, Sep 15K, Oct 46K, Nov 56K, Dec 46K050k100k150k13KJan95KFeb39KMar35KApr17KMay42KJun122KJul45KAug15KSep46KOct56KNov46KDec
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Customer-hours; July was the worst month.

Somerset County year over year

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Somerset County, NJ: average hours without power per customer by year2015: 1.8h; 2016: 3.8h; 2017: 2.7h; 2018: 12.0h, coverage 99%; 2019: 3.3h, coverage 98%; 2020: 13.1h, coverage 99%; 2021: 3.2h, coverage 99%; 2022: 2.3h, coverage 99%; 2023: 2.1h; 2024: 3.3h; 2025: 3.3h0510150%50%100%1.8h20153.8h20162.7h201712.0h20183.3h201913.1h20203.2h20212.3h20222.1h20233.3h20243.3h2025
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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 Jersey customers tracked each year.

Biggest outages in Somerset County, 2019

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

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#Started (UTC)Ended (UTC)DurationPeak outCustomer-hours
1February 25, 2019 00:15February 28, 2019 02:453d 2h9,88067K
2October 20, 2019 13:30October 21, 2019 22:451d 9h8,73914K
3October 31, 2019 11:30November 4, 2019 11:003d 23h8,72041K
4July 21, 2019 11:45July 26, 2019 02:304d 14h6,484100K
5August 18, 2019 01:15August 19, 2019 12:001d 10h6,30421K
6January 30, 2019 19:30January 31, 2019 08:1512h 45m6,2393,173
7December 7, 2019 06:00December 7, 2019 07:301h 30m5,8058,708
8October 7, 2019 11:00October 7, 2019 19:158h 15m5,5397,802
9December 9, 2019 11:15December 10, 2019 01:3014h 15m5,1565,118
10September 26, 2019 22:15September 28, 2019 04:451d 6h4,6732,251

Outage episodes by size in 2019: 143 reached 100+ customers, 50 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 Somerset County reported on EIA Form 861 for 2019, or their most recent earlier filing. Utility-wide figures, not county-specific.

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UtilityEIA yearSAIDISAIFISAIDI excl. major eventsSAIFI excl. major events
Public Service Elec & Gas Co20183.0 hrs1.0855 min0.79
Jersey Central Power & Lt Co201821.5 hrs2.172.7 hrs1.36

About this data

  • Outage figures come from DOE/ORNL EAGLE-I, which records customers out by county every 15 minutes. EAGLE-I tracked about 98% of New Jersey's customers in 2019; utilities it does not see are not counted.
  • Hours per customer = outage customer-minutes ÷ 172,530 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. Somerset County has data for 2015–2025.

Cite this report

MassOutage (massoutage.com), Somerset County, NJ annual power outage report, 2019, 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/2019/new-jersey/somerset-county

summary CSVJSONyears CSVJSONmonths CSVJSONevents CSVJSONutilities CSVJSON