City of Rock Hill, SC
City of Rock Hill's outage record
City of Rock Hill customers in South Carolina rarely lose power at all: 0.8 interruptions last year, adding up to just 69 minutes without electricity over the whole year. That is 54% less outage time than the South Carolina state average of 2.5 hours a year.
Outage length, and what it means for a generator
A single outage here averages 1.5 hours. That is squarely in battery-power-station range; a fuel generator is overkill for most of these. The frequency-versus-duration guide covers why length decides the kind of backup.
The generator question for City of Rock Hill
Most City of Rock Hill customers keep power almost all year. Serving 40,729 customers here, You probably do not need a generator unless you already have another reason to want one.
The source behind this number
City of Rock Hill filed these numbers itself, as a municipally-owned utility, under EIA Form 861 - a federal reliability report covering its entire South Carolina territory, serving 40,729 customers here, not a single street or outage. Every other utility in South Carolina is covered too: see South Carolina's full record. How the verdict bands are set is in the methodology.