Power County power outages

Idaho outage history from 2016 to 2023, with the largest outages and a backup battery estimate.

Power County, Idaho had 4 major outages from 2016 to 2023

Above middle outage time among US counties

Residents here averaged 1.26 times the US outage time per person and 2.61 times the Idaho rate. It ranks 8 of 35 in the state, where 1 has the most. Data confidence: High, with 8 years of records.

0.5major outages per year
3 of 8years with a major outage
48 hrslongest major outage
May, Sephardest months

May and September made up 51% of this county's outage time. The largest outage on record began May 31, 2020, reached 1,859 customers, and left at least 200 customers out for 47.8 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
2016'162017'172018'182019'192020'202021'212022'222023'23
Show yearly numbers
YearCustomer-hoursReported outagesMajor outages
20168,892100
201733,090201
20183,48560
20194,149120
202096,456192
202115,81990
202237,592171
20237,13090

When outages hit

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

0%
10%
20%
30%
40%
JanJFebFMarMAprAMayMJunJJulJAugASepSOctONovNDecD

Largest outages on record

Start dateHoursPeak customersCustomer-hours
May 31, 202047.81,85943,154
Sep 8, 202029.21,77718,046
Sep 15, 20176.03,05717,867
Jun 25, 20229.21,78815,554
Aug 13, 20205.21,8599,760

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.