2021 Hawaii Power Outage Report
In 2021, the average Hawaii customer went without power for about 6.0 hours, the 17th worst of 51 states (US average 8.4 hours). Figures from DOE/ORNL EAGLE-I, including major storm days.
Avg hrs / customer
6.0
vs prior year
▲ 125%
vs 2020
Customer-hours out
3.0M
Peak customers out
33,265
across the state at once
EAGLE-I coverage
100%
of HI customers
Counties reporting
4
Hawaii year over year
All 4 Hawaii counties, 2021
Ranked by average hours without power per customer. Each county links to its annual report.
| # | County | Hrs / customer | Customer-hours | Customers | Peak out | Events |
|---|---|---|---|---|---|---|
| 1 | Maui County | 12.8 | 943K | 73,551 | 6,897 | 41 |
| 2 | Hawaii County | 7.5 | 654K | 87,747 | 21,327 | 53 |
| 3 | Kauai County | 5.7 | 199K | 34,835 | 27,831 | 17 |
| 4 | Honolulu County | 4.0 | 1.2M | 308,098 | 27,525 | 620 |
Biggest Hawaii outages of 2021
Up to 25 county outage episodes with the most customers out at once.
| # | County | Started (UTC) | Ended (UTC) | Duration | Peak out | Customer-hours |
|---|---|---|---|---|---|---|
| 1 | Kauai County, HI | April 26, 2021 08:45 | May 11, 2021 21:15 | 15d 12h | 27,831 | 21K |
| 2 | Honolulu County, HI | September 23, 2021 13:15 | September 25, 2021 06:15 | 1d 17h | 27,525 | 75K |
| 3 | Honolulu County, HI | November 29, 2021 03:30 | November 30, 2021 06:30 | 1d 3h | 26,285 | 29K |
| 4 | Honolulu County, HI | March 10, 2021 16:30 | March 14, 2021 06:30 | 3d 14h | 25,482 | 92K |
| 5 | Hawaii County, HI | December 5, 2021 23:00 | December 6, 2021 14:00 | 15h | 21,327 | 83K |
| 6 | Honolulu County, HI | April 16, 2021 16:45 | April 18, 2021 02:30 | 1d 9h | 17,854 | 24K |
| 7 | Honolulu County, HI | April 12, 2021 14:30 | April 13, 2021 07:30 | 17h | 16,183 | 4,296 |
| 8 | Hawaii County, HI | July 3, 2021 00:15 | July 6, 2021 20:30 | 3d 20h | 14,109 | 47K |
| 9 | Honolulu County, HI | March 15, 2021 01:45 | March 18, 2021 09:45 | 3d 8h | 13,957 | 42K |
| 10 | Honolulu County, HI | February 2, 2021 10:45 | February 7, 2021 13:15 | 5d 2h | 13,277 | 102K |
| 11 | Honolulu County, HI | January 18, 2021 03:45 | January 22, 2021 11:15 | 4d 7h | 13,023 | 142K |
| 12 | Honolulu County, HI | August 21, 2021 14:30 | August 22, 2021 11:00 | 20h 30m | 12,127 | 29K |
| 13 | Hawaii County, HI | December 25, 2021 20:00 | December 25, 2021 20:15 | 15m | 11,926 | 2,982 |
| 14 | Honolulu County, HI | May 14, 2021 17:45 | May 17, 2021 10:15 | 2d 16h | 11,297 | 16K |
| 15 | Honolulu County, HI | August 18, 2021 11:00 | August 19, 2021 09:15 | 22h 15m | 10,281 | 7,651 |
| 16 | Honolulu County, HI | March 1, 2021 17:30 | March 7, 2021 12:00 | 5d 18h | 10,033 | 21K |
| 17 | Honolulu County, HI | September 18, 2021 18:00 | September 18, 2021 18:15 | 15m | 9,290 | 2,323 |
| 18 | Honolulu County, HI | September 3, 2021 13:15 | September 4, 2021 15:00 | 1d 1h | 7,977 | 23K |
| 19 | Honolulu County, HI | September 8, 2021 16:15 | September 9, 2021 07:45 | 15h 30m | 7,958 | 13K |
| 20 | Honolulu County, HI | December 6, 2021 01:00 | December 7, 2021 06:30 | 1d 5h | 7,796 | 49K |
| 21 | Honolulu County, HI | August 4, 2021 09:00 | August 5, 2021 15:15 | 1d 6h | 7,669 | 4,899 |
| 22 | Honolulu County, HI | May 11, 2021 10:00 | May 12, 2021 10:45 | 1d | 7,642 | 14K |
| 23 | Maui County, HI | December 6, 2021 06:45 | December 7, 2021 06:30 | 23h 45m | 6,897 | 89K |
| 24 | Hawaii County, HI | June 22, 2021 19:15 | June 23, 2021 02:15 | 7h | 6,845 | 14K |
| 25 | Honolulu County, HI | August 20, 2021 07:15 | August 20, 2021 09:15 | 2h | 6,582 | 6,594 |
EAGLE-I tracked about 100% of Hawaii's electricity customers in 2021; outages at utilities it does not see are not counted. Hours per customer divide outage customer-minutes by modeled county customers.
Part of the 2021 US Power Outage Report.
Data from DOE EAGLE-I, every source we read.