Groton Dept of Utilities, CT
Power reliability at Groton Dept of Utilities
Groton Dept of Utilities customers in Connecticut had 0.4 interruptions last year, 71 minutes total - a bit below the typical US utility's outage time. That is 66% less outage time than the Connecticut state average of 3.5 hours a year.
What a typical outage at Groton Dept of Utilities looks like
3.3 hours is this grid's average outage length - long enough that a standby generator, not a portable or battery unit, is the more realistic fit. Why outage length, not count, picks the backup: how often vs how long.
The generator question for Groton Dept of Utilities
Serving 16,395 customers here, Outages at Groton Dept of Utilities run below the national norm, so a generator is not urgent - still worth checking if you have medical equipment or a sump pump that cannot go without power.
Where this number comes from
Groton Dept of Utilities filed these numbers itself, as a municipally-owned utility, under EIA Form 861 - a federal reliability report covering its entire Connecticut territory, serving 16,395 customers here, not a single street or outage. See Connecticut as a whole, across every utility that filed: Connecticut's outage record. How the verdict bands are set is in the methodology.