massoutage

County annual report · FIPS 50009

2015 Essex County, VT Power Outage Report

In 2015, customers in Essex County, VT went without power for an average of 19.4 hours, a total of 42K customer-hours (Vermont average 2.6 hours). That ranks 1st worst of 14 Vermont counties and 123rd of 2,484 nationally.

Summary data CSVJSON
Avg hrs / customer
19.4
2,162 customers
Customer-hours out
42K
Peak customers out
1,224
Outages ≥1,000 out
1
0 of 10,000+ · 174 total
Longest outage
1d 2h
began January 21, 2015
Rank in state
1st/14
123rd of 2,484 US

Compared with VT, the US

Essex County, VT average hours without power per customer compared with state and national averages, 2015Essex County 19.4 hours, Vermont average 2.6 hours, US average 2.9 hoursEssex CountyEssex County19.4hVermont averageVermont average2.6hUS averageUS average2.9h
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Average hours without power per customer in 2015.

Month by month

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Essex County, VT customer-hours without power by month, 2015Jan 9,562, Feb 354, Mar 513, Apr 10K, May 1,962, Jun 4,086, Jul 10K, Aug 2,607, Sep 1,081, Oct 787, Nov 503, Dec 18105k10k15k9,562Jan354Feb513Mar10KApr1,962May4,086Jun10KJul2,607Aug1,081Sep787Oct503Nov181Dec
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Customer-hours; April was the worst month.

Essex County year over year

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Essex County, VT: average hours without power per customer by year2015: 19.4h; 2016: 15.2h; 2017: 31.9h; 2018: 26.8h, coverage 100%; 2019: 47.9h, coverage 100%; 2020: 17.4h, coverage 100%; 2021: 14.3h, coverage 100%; 2022: 30.3h, coverage 100%; 2023: 27.2h; 2024: 25.5h; 2025: 15.7h02040600%50%100%19.4h201515.2h201631.9h201726.8h201847.9h201917.4h202014.3h202130.3h202227.2h202325.5h202415.7h2025
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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 Vermont customers tracked each year.

Biggest outages in Essex County, 2015

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

CSVJSON
#Started (UTC)Ended (UTC)DurationPeak outCustomer-hours
1April 4, 2015 04:15April 4, 2015 06:152h1,2242,448
2October 8, 2015 14:15October 8, 2015 16:152h923464
3April 20, 2015 21:30April 21, 2015 02:305h7392,600
4April 26, 2015 23:45April 27, 2015 02:002h 15m7391,517
5January 10, 2015 09:45January 10, 2015 12:302h 45m7251,587
6June 16, 2015 17:15June 16, 2015 22:004h 45m6022,710
7April 3, 2015 14:00April 3, 2015 17:453h 45m5982,112
8January 21, 2015 15:45January 22, 2015 17:451d 2h595744
9April 14, 2015 03:00April 14, 2015 07:004h5681,020
10January 20, 2015 06:30January 20, 2015 10:153h 45m5361,124

Outage episodes by size in 2015: 38 reached 100+ customers, 1 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 Essex County reported on EIA Form 861 for 2015, or their most recent earlier filing. Utility-wide figures, not county-specific.

CSVJSON
UtilityEIA yearSAIDISAIFISAIDI excl. major eventsSAIFI excl. major events
Vermont Electric Cooperative, Inc20153.5 hrs1.883.5 hrs1.88
Green Mountain Power Corp-----
Village of Lyndonville - (VT)-----

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 Vermont's customers in 2015; utilities it does not see are not counted.
  • Hours per customer = outage customer-minutes ÷ 2,162 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. Essex County has data for 2015–2025.

Cite this report

MassOutage (massoutage.com), Essex County, VT 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/vermont/essex-county

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