The Waterbury mayor's office is reporting outages at Waterbury City Hall and the Silas Bronson Library.
The power was still out in both places at 11:30 p.m., according to Mayor Neil M. O'Leary.
Eversource, formerly known as Connecticut Light & Power, has crews working on restoring the power.
As of 11:44 a.m., 31 Eversource customers were without power in Waterbury. There were also 138 power outages reported in Stonington and 32 in Enfield, according to the outage map.
The power company has not released information on the cause of the power outages.
More information will be provided when it becomes available.