BERLIN, CT — A power company report has detailed the electricity reliability in Berlin, part of a recently released Eversource Energy report that details reliability statewide.
Eversource claims electric reliability for Connecticut customers has improved over the past decade, citing grid upgrades, automation technology, and vegetation management.
The company announced recently that customers now experience an average of one power interruption every 20 months, representing a 15% improvement since 2017.
According to the report, Berlin residents experienced fewer and shorter power outages than the statewide average in 2025.
The utility reported serving 9,899 customers in Berlin during the year. According to the report, the average customer experienced one outage every 36 months, compared with the statewide average of one outage every 20 months.
Eversource also reported that the average Berlin customer experienced 38 minutes without power during 2025, less than half the statewide average outage duration of 81 minutes.
When outages did occur, it took Eversource an average of 113 minutes to restore service in Berlin.
The report identified equipment-related issues, tree-related incidents, and vehicle crashes as the leading causes of outages in recent years.
In 2025, vehicle-related outages accounted for a larger share of interruptions than in the previous two years, while tree-related outages declined compared with 2023 and 2024 levels.
According to the scorecard, 67 Berlin customers experienced three or more outages during the year. Another 88 customers experienced an outage lasting seven hours or longer.
Eversource released the data as part of its annual electric reliability scorecards, which provide town-by-town information for the 149 Connecticut municipalities the company serves.
“These scorecards help our customers understand how outages impact their area while highlighting some of the critical work we do every day to strengthen our electric system and make it more resilient,” Eversource Vice President of Electric Field Operations Don Scacco said in a statement.
Scacco said the company uses outage data and cost-benefit analyses to determine where investments are needed, including smart switch installations and enhanced tree-trimming programs.
The scorecards also detail the leading causes of outages in each municipality and summarize local reliability and resiliency projects completed by the utility.
Eversource said ongoing infrastructure work includes replacing aging utility poles and electric lines with stronger equipment designed to better withstand severe weather.
For Connecticut's town-by-town reliability scorecard, click on this link.
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