Connecticut power outages

We don't have a live outage feed for any utility in Connecticut yet. Check your utility's own outage map below; we'll add live counts as public data becomes available.

Right now

No live utility feed in Connecticut yet.

Outage history in Connecticut

2014–2025 record

Connecticut averaged 5.3 significant outages a year in 2023–2025, about typical for states.

In the 12 months to December 2025, there were 5. Half were over within 7 hours; the longest lasted 26 hours, starting December 19, 2025.

The largest on record began August 4, 2020, with 725,700 customers out at once.

Outages are most common in February.

5.3significant outages a year (2023–2025)
iAt 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.
5 hourstypical (median) length
iHalf of significant outages here ended sooner than this, and half lasted longer.
7.2 dayslongest on record (August 2020)
725,700most customers out at once
Largest events (start)Peak outLasted
iHow long this area stayed at or above the significant-outage line, not how long any one home was without power.
Customer-hours
iCustomers out multiplied by hours out, added up over the event. 1,000 customers out for 3 hours is 3,000 customer-hours.
August 4, 2020725,7007.2 days59,060,261
October 30, 2017180,4762.1 days4,571,465
March 7, 2018170,0412.8 days5,229,166
May 15, 2018134,81614 hours1,471,199
June 23, 2015107,97326 hours1,328,253

Recorded outages from EAGLE-I, Oak Ridge National Laboratory (CC BY 4.0).

iFrom 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.