Kauai Island Utility Cooperative, HI
Power reliability at Kauai Island Utility Cooperative
Kauai Island Utility Cooperative customers in Hawaii had 3.5 interruptions last year, 5.6 hours without power in total - above the typical US utility's outage time by about 2×. That is 19% more outage time than the Hawaii state average of 4.7 hours a year.
What a typical outage at Kauai Island Utility Cooperative looks like
A single outage here averages 1.6 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.
Do Kauai Island Utility Cooperative customers need a generator
Serving 35,470 customers here, Kauai Island Utility Cooperative customers lose more power than most of the country sees, so a generator is worth getting rather than an overreaction.
How Kauai Island Utility Cooperative's record was measured
Kauai Island Utility Cooperative filed these numbers itself, as a member-owned cooperative, under EIA Form 861 - a federal reliability report covering its entire Hawaii territory, serving 35,470 customers here, not a single street or outage. See Hawaii as a whole, across every utility that filed: Hawaii's outage record. The full scoring method lives in the methodology guide.