Kauai County, Hawaii Power Outages, 2019 to 2023

Kauai County, Hawaii had 9 major outages from 2019 to 2023

Above middle outage time among US counties

Residents here averaged 0.93 times the US outage time per person and 1.42 times the Hawaii rate. It ranks 2 of 3 in the state, where 1 has the most. Data confidence: Medium, with 5 years of records.

1.8major outages per year

3 of 5years with a major outage

44 hrslongest major outage

Dec, Febhardest months

December and February made up 44% of this county's outage time. The largest outage on record began Dec 25, 2019, reached 19,077 customers, and left at least 200 customers out for 13.0 hours.

Outage time per resident, rated Hawaii counties

MostLeast

Outage impact by year

Customer-hours without power. 1,000 customers out for 2 hours is 2,000 customer-hours.

100K

200K

300K

400K

2019'192020'202021'212022'222023'23

Show yearly numbers

Year	Customer-hours	Reported outages	Major outages
2019	324,070	48	6
2020	116,718	88	1
2021	96,477	69	0
2022	131,192	70	2
2023	168,972	111	0

When outages hit

Share of this county's customer-hours by month.

10%

20%

30%

40%

JanJFebFMarMAprAMayMJunJJulJAugASepSOctONovNDecD

Largest outages on record

Start date	Hours	Peak customers	Customer-hours
Dec 25, 2019	13.0	19,077	82,848
Dec 21, 2019	44.5	2,885	46,235
Dec 25, 2019	11.8	9,970	38,243
Dec 24, 2019	2.5	19,589	25,301
Jul 13, 2022	17.5	12,536	24,970

Hours measure how long at least 200 customers in the county were out. Most customers get power back sooner.

Size your backup battery

Start with what you would keep running. Wattages are typical averages, so check your own appliances.

Phones, Wi-Fi, lights, about 60 WRefrigerator, about 60 WChest freezer, about 40 WGas furnace fan, about 160 W

Hours to cover: 24

1,700 Whof battery capacity, allowing for about 15% conversion loss

If anyone relies on medical equipment, plan that with their provider. Run portable fuel generators outdoors only, at least 20 feet from doors, windows and vents. See the outage checklist.

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How to read this

A major outage lasted at least 8 hours and reached customers equal to at least 1% of county residents.
Records cover outages of at least 200 customers in a county. They do not show what happened on your street.
Utilities that do not report can make a county look better than it is. Data ends in 2023. Read the full method.