Lewis County power outages

Idaho outage history from 2015 to 2023, with the largest outages and a backup battery estimate.

This county is not rated. Its numbers may not reflect what residents experienced.

Lewis County, Idaho had 2 major outages from 2015 to 2023

Not rated

We show this record but do not rank it because the history is short, the population is very small, or customer counts look too high for the population. Treat these numbers with caution. Data confidence: Low, with 9 years of records.

0.2major outages per year
2 of 9years with a major outage
22 hrslongest major outage
Aug, Mayhardest months

August and May made up 71% of this county's outage time. The largest outage on record began Aug 29, 2015, reached 11,126 customers, and left at least 200 customers out for 21.8 hours.

Outage time per resident, rated Idaho counties
MostLeast

Outage impact by year

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

0
25K
50K
75K
100K
2015'152016'162017'172018'182019'192020'202021'212022'222023'23
Show yearly numbers
YearCustomer-hoursReported outagesMajor outages
201598,418291
20162,75250
201733,129121
20184,67840
20195,580120
20201,35040
20211,52620
20221,10120
20233,16820

When outages hit

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

0%
20%
40%
60%
80%
JanJFebFMarMAprAMayMJunJJulJAugASepSOctONovNDecD

Largest outages on record

Start dateHoursPeak customersCustomer-hours
Aug 29, 201521.811,12656,801
Aug 31, 201716.21,29817,758
Oct 26, 20154.28,34711,163
Aug 30, 20176.01,9986,169
May 20, 20154.51,1144,921

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.

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.