massoutage

County annual report · FIPS 50001

2023 Addison County, VT Power Outage Report

In 2023, customers in Addison County, VT went without power for an average of 6.0 hours, a total of 104K customer-hours (Vermont average 10.7 hours). That ranks 9th worst of 14 Vermont counties and 1285th of 2,977 nationally.

Summary data CSVJSON
Avg hrs / customer
6.0
17,215 customers
Customer-hours out
104K
Peak customers out
3,173
Outages ≥1,000 out
7
0 of 10,000+ · 494 total
Longest outage
2d 10h
began March 14, 2023
Rank in state
9th/14
1285th of 2,977 US

Compared with VT, the US and 2022

Addison County, VT average hours without power per customer compared with state and national averages, 2023Addison County 6.0 hours, Vermont average 10.7 hours, US average 7.1 hours, Addison County, 2022 26.5 hoursAddison CountyAddison County6.0hVermont averageVermont average10.7hUS averageUS average7.1hAddison County, 2022Addison County, 202226.5h
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Average hours without power per customer in 2023; last bar is this county in 2022.

Month by month

CSVJSON
Addison County, VT customer-hours without power by month, 2023Jan 4,292, Feb 534, Mar 29K, Apr 4,089, May 3,710, Jun 6,860, Jul 29K, Aug 8,154, Sep 9,714, Oct 1,487, Nov 4,799, Dec 1,777010k20k30k4,292Jan534Feb29KMar4,089Apr3,710May6,860Jun29KJul8,154Aug9,714Sep1,487Oct4,799Nov1,777Dec
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Customer-hours; March was the worst month.

Addison County year over year

CSVJSON
Addison County, VT: average hours without power per customer by year2015: 3.4h; 2016: 7.6h; 2017: 17.0h; 2018: 6.5h, coverage 100%; 2019: 3.4h, coverage 100%; 2020: 3.5h, coverage 100%; 2021: 4.9h, coverage 100%; 2022: 26.5h, coverage 100%; 2023: 6.0h; 2024: 21.8h; 2025: 3.5h01020300%50%100%3.4h20157.6h201617.0h20176.5h20183.4h20193.5h20204.9h202126.5h20226.0h202321.8h20243.5h2025
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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 Addison County, 2023

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

CSVJSON
#Started (UTC)Ended (UTC)DurationPeak outCustomer-hours
1April 26, 2023 11:45April 26, 2023 13:151h 30m3,1731,587
2June 24, 2023 22:15June 24, 2023 22:4530m1,882485
3June 2, 2023 03:30June 2, 2023 09:456h 15m1,8751,522
4March 14, 2023 11:00March 16, 2023 21:302d 10h1,76429K
5August 3, 2023 22:30August 4, 2023 08:159h 45m1,4172,807
6July 29, 2023 18:45July 29, 2023 22:303h 45m1,3051,951
7July 13, 2023 15:00July 15, 2023 22:452d 7h1,02319K
8September 7, 2023 19:15September 8, 2023 07:0011h 45m9937,233
9May 25, 2023 00:00May 25, 2023 00:3030m914457
10November 27, 2023 06:45November 27, 2023 22:1515h 30m7153,566

Outage episodes by size in 2023: 59 reached 100+ customers, 7 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 Addison County reported on EIA Form 861 for 2023, or their most recent earlier filing. Utility-wide figures, not county-specific.

CSVJSON
UtilityEIA yearSAIDISAIFISAIDI excl. major eventsSAIFI excl. major events
Vermont Electric Cooperative, Inc20238.1 hrs2.253.4 hrs1.38
Green Mountain Power Corp-----

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 2023; utilities it does not see are not counted.
  • Hours per customer = outage customer-minutes ÷ 17,215 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. Addison County has data for 2015–2025.

Cite this report

MassOutage (massoutage.com), Addison County, VT annual power outage report, 2023, 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/2023/vermont/addison-county

summary CSVJSONyears CSVJSONmonths CSVJSONevents CSVJSONutilities CSVJSON