Power outages in Hartford, CT
Live outages for Hartford and the surrounding area, updated every 10 minutes. Hartford has 121,981 residents.
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No live outage data for Hartford yet.
Outage map
HartfordCapitol Planning Region
Outage history in Capitol Planning Region, which includes Hartford
2014–2025 recordCapitol Planning Region averaged 63 significant outages a year in 2023–2025, more than most Connecticut counties.
In the 12 months to December 2025, there were 189. Half were over within 4 hours; the longest lasted 2.9 days, starting June 23, 2025.
The largest on record began December 19, 2025, with 14,677 customers out at once.
Outages are most common in September.
63significant 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.4 hourstypical (median) length
i
Half of significant outages here ended sooner than this, and half lasted longer.2.9 dayslongest on record (June 2025)
14,677most 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. |
|---|---|---|---|
| December 19, 2025 | 14,677 | 2.6 days | 163,770 |
| July 3, 2025 | 6,966 | 1.8 days | 56,058 |
| October 28, 2025 | 5,623 | 2 hours | 2,780 |
| July 20, 2025 | 5,531 | 23 hours | 19,085 |
| December 22, 2025 | 3,914 | 6.5 hours | 3,777 |
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.