Power outages in Cottage Grove, TN
Live outages for Cottage Grove and the surrounding area, updated every 10 minutes. Cottage Grove has 66 residents.
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No live outage data for Cottage Grove yet.
Outage map
Cottage GroveHenry County
Outage history in Henry County, which includes Cottage Grove
2014–2025 recordHenry County averaged 82.3 significant outages a year in 2023–2025, more than most Tennessee counties.
In the 12 months to December 2025, there were 78. Half were over within 1 hour; the longest lasted 16 hours, starting March 15, 2025.
The largest on record began March 3, 2023, with 13,970 customers out at once.
82.3significant outages a year (2023–2025)
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At least 1% of the area's customers, and at least 100, without power at the same time. Outages less than 6 hours apart count as one.1.5 hourstypical (median) length
i
Half of significant outages here ended sooner than this, and half lasted longer.3.3 dayslongest on record (March 2023)
13,970most customers out at once
| Largest events (start) | Peak out | LastediHow long this area stayed at or above the significant-outage line, not how long any one home was without power. | Customer-hoursiCustomers out multiplied by hours out, added up over the event. 1,000 customers out for 3 hours is 3,000 customer-hours. |
|---|---|---|---|
| March 3, 2023 | 13,970 | 3.3 days | 342,824 |
| July 18, 2023 | 10,954 | 29 hours | 48,445 |
| May 3, 2020 | 9,930 | 3.1 days | 165,806 |
| May 4, 2021 | 7,825 | 1.5 hours | 6,483 |
| May 28, 2021 | 6,723 | 2.5 hours | 13,731 |
Recorded outages from EAGLE-I, Oak Ridge National Laboratory (CC BY 4.0).i
From EAGLE-I, Oak Ridge National Laboratory's record of utility outage data every 15 minutes since 2014 (CC BY 4.0). It covered about 9 in 10 U.S. customers.