massoutage

County annual report · FIPS 15007

2020 Kauai County, HI Power Outage Report

In 2020, customers in Kauai County, HI went without power for an average of 6.1 hours, a total of 212K customer-hours (Hawaii average 2.7 hours). That ranks 1st worst of 3 Hawaii counties and 1228th of 3,019 nationally.

Summary data CSVJSON
Avg hrs / customer
6.1
34,835 customers
Customer-hours out
212K
Peak customers out
4,231
Outages ≥1,000 out
13
0 of 10,000+ · 68 total
Longest outage
64d 5h
began January 1, 2020
Rank in state
1st/3
1228th of 3,019 US

Compared with HI, the US and 2019

Kauai County, HI average hours without power per customer compared with state and national averages, 2020Kauai County 6.1 hours, Hawaii average 2.7 hours, US average 8.7 hours, Kauai County, 2019 10.9 hoursKauai CountyKauai County6.1hHawaii averageHawaii average2.7hUS averageUS average8.7hKauai County, 2019Kauai County, 201910.9h
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Average hours without power per customer in 2020; last bar is this county in 2019.

Month by month

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Kauai County, HI customer-hours without power by month, 2020Jan 11K, Feb 18K, Mar 24K, Apr 41K, May 25K, Jun 7,204, Jul 26K, Aug 9,797, Sep 13K, Oct 12K, Nov 15K, Dec 9,754020k40k60k11KJan18KFeb24KMar41KApr25KMay7,204Jun26KJul9,797Aug13KSep12KOct15KNov9,754Dec
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Customer-hours; April was the worst month.

Kauai County year over year

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Kauai County, HI: average hours without power per customer by year2015: no data; 2016: no data; 2017: no data; 2018: no data; 2019: 10.9h, coverage 66%; 2020: 6.1h, coverage 67%; 2021: 5.7h, coverage 100%; 2022: 8.2h, coverage 100%; 2023: 14.6h; 2024: 14.3h; 2025: 10.5h0510150%50%100%n/a2015n/a2016n/a2017n/a201810.9h20196.1h20205.7h20218.2h202214.6h202314.3h202410.5h2025
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Average hours without power per customer. Line: EAGLE-I coverage, share of customers tracked (right axis).

Coverage line is EAGLE-I's share of Hawaii customers tracked each year.

Biggest outages in Kauai County, 2020

The 10 outage episodes with the most customers out at once. Times are UTC.

CSVJSON
#Started (UTC)Ended (UTC)DurationPeak outCustomer-hours
1May 12, 2020 14:15June 4, 2020 16:3023d 2h4,23114K
2March 28, 2020 09:30April 21, 2020 12:4524d 3h3,73742K
3September 7, 2020 00:15September 17, 2020 12:1510d 12h3,4443,379
4July 14, 2020 22:45July 23, 2020 20:158d 21h2,8417,797
5August 24, 2020 19:45September 5, 2020 05:4511d 10h2,8407,894
6January 1, 2020 00:00March 5, 2020 05:1564d 5h2,34831K
7July 23, 2020 23:00August 11, 2020 13:0018d 14h2,15314K
8April 21, 2020 15:30May 12, 2020 12:4520d 21h2,06317K
9December 14, 2020 05:15December 15, 2020 05:301d1,9512,143
10December 6, 2020 17:15December 12, 2020 16:305d 23h1,7512,351

Outage episodes by size in 2020: 23 reached 100+ customers, 13 reached 1,000+ customers, 0 reached 10,000+ customers.

Utility reliability filed with the EIA

SAIDI (average outage time per customer) and SAIFI (average interruptions per customer) that utilities serving Kauai County reported on EIA Form 861 for 2020, or their most recent earlier filing. Utility-wide figures, not county-specific.

CSVJSON
UtilityEIA yearSAIDISAIFISAIDI excl. major eventsSAIFI excl. major events
Kauai Island Utility Cooperative-----

About this data

  • Outage figures come from DOE/ORNL EAGLE-I, which records customers out by county every 15 minutes. EAGLE-I tracked about 67% of Hawaii's customers in 2020; utilities it does not see are not counted.
  • Hours per customer = outage customer-minutes ÷ 34,835 customers (ORNL modeled county customer count), including major storm days. It is comparable across counties but is not the SAIDI a utility files.
  • An outage event is a continuous stretch with customers out; counts at 100, 1,000 and 10,000+ use its peak.
  • Years loaded: 2015–2025. Kauai County has data for 2019–2025.

Cite this report

MassOutage (massoutage.com), Kauai County, HI annual power outage report, 2020, data as of Oct 3, 2026 02:41 UTC, sources: DOE EAGLE-I (https://eagle-i.doe.gov/); EAGLE-I modeled customer counts (MCC) (https://figshare.com/). https://massoutage.com/reports/2020/hawaii/kauai-county

summary CSVJSONyears CSVJSONmonths CSVJSONevents CSVJSONutilities CSVJSON