Long Island Power Authority, NY
Power reliability at Long Island Power Authority
This is one of the steadier grids on file: Long Island Power Authority's New York customers went without power for only 68 minutes across 0.8 separate outages last year. That is 41% less outage time than the New York state average of 1.9 hours a year.
What a typical outage at Long Island Power Authority looks like
A single outage here averages 86 minutes. That is squarely in battery-power-station range; a fuel generator is overkill for most of these. More on that split in how often versus how long an outage runs.
What this means for buying a generator
Most Long Island Power Authority customers keep power almost all year. Serving 1,155,937 customers here, You probably do not need a generator unless you already have another reason to want one.
Where this number comes from
Long Island Power Authority filed these numbers itself, as a state-run utility, under EIA Form 861 - a federal reliability report covering its entire New York territory, serving 1,155,937 customers here, not a single street or outage. Every other utility in New York is covered too: see New York's full record. How the verdict bands are set is in the methodology.