County annual report · FIPS 50001
2018 Addison County, VT Power Outage Report
In 2018, customers in Addison County, VT went without power for an average of 6.5 hours, a total of 112K customer-hours (Vermont average 11.4 hours). That ranks 12th worst of 14 Vermont counties and 842nd of 2,798 nationally.
Compared with VT, the US and 2017
Coverage line is EAGLE-I's share of Vermont customers tracked each year.
Biggest outages in Addison County, 2018
The 10 outage episodes with the most customers out at once. Times are UTC.
| # | Started (UTC) | Ended (UTC) | Duration | Peak out | Customer-hours |
|---|---|---|---|---|---|
| 1 | April 16, 2018 06:15 | April 17, 2018 22:00 | 1d 15h | 1,616 | 15K |
| 2 | September 16, 2018 00:30 | September 16, 2018 02:00 | 1h 30m | 1,571 | 1,720 |
| 3 | November 27, 2018 10:15 | December 1, 2018 14:15 | 4d 4h | 1,524 | 41K |
| 4 | May 5, 2018 00:15 | May 6, 2018 21:45 | 1d 21h | 1,394 | 9,763 |
| 5 | October 29, 2018 18:00 | October 29, 2018 21:15 | 3h 15m | 1,209 | 1,513 |
| 6 | July 21, 2018 18:00 | July 21, 2018 22:45 | 4h 45m | 1,044 | 3,160 |
| 7 | May 3, 2018 14:00 | May 3, 2018 18:15 | 4h 15m | 885 | 1,109 |
| 8 | February 24, 2018 11:00 | February 24, 2018 16:15 | 5h 15m | 859 | 3,431 |
| 9 | January 24, 2018 00:00 | January 24, 2018 02:45 | 2h 45m | 691 | 227 |
| 10 | April 4, 2018 21:30 | April 6, 2018 18:45 | 1d 21h | 610 | 8,552 |
Outage episodes by size in 2018: 46 reached 100+ customers, 6 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 2018, 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 |
|---|---|---|---|---|---|
| Vermont Electric Cooperative, Inc | 2018 | 15.5 hrs | 3.39 | 6.0 hrs | 2.34 |
| 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 100% of Vermont's customers in 2018; 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, 2018, 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/2018/vermont/addison-county