An issue at a Norwich Public Utilities substation Saturday night left thousands of customers in the dark.
According to the utility company, the outage happened around 11 p.m. and was the a result of an equipment failure at their Bean Hill substation.
At one point, about 4,000 total customers, primarily those in the northeast section of the city, were without power.
All customers had their power back within three to four hours after the initial outage occurred.
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