Maui County, Hawaii Power Outages, 2020 to 2023

Maui County, Hawaii had 14 major outages from 2020 to 2023

Higher outage time among US counties

Residents here averaged 2.24 times the US outage time per person and 3.42 times the Hawaii rate. It ranks 1 of 3 in the state, where 1 has the most. Data confidence: Medium, with 4 years of records.

3.5major outages per year

2 of 4years with a major outage

1,177 hrslongest major outage

Aug, Sephardest months

August and September made up 84% of this county's outage time. The largest outage on record began Sep 4, 2023, reached 1,702 customers, and left at least 200 customers out for 1177.0 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.

2020'202021'212022'222023'23

Show yearly numbers

Year	Customer-hours	Reported outages	Major outages
2020	95,002	12	0
2021	301,486	39	6
2022	207,830	31	0
2023	2,979,197	44	8

When outages hit

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

20%

40%

60%

80%

JanJFebFMarMAprAMayMJunJJulJAugASepSOctONovNDecD

Largest outages on record

Start date	Hours	Peak customers	Customer-hours
Sep 4, 2023	1177.0	1,702	772,861
Aug 10, 2023	93.8	12,627	742,357
Aug 8, 2023	32.8	14,114	410,481
Aug 16, 2023	160.5	4,155	330,680
Aug 24, 2023	247.0	3,229	294,594

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.