Jefferson County, Idaho Power Outages, 2017 to 2023

Jefferson County, Idaho had 2 major outages from 2017 to 2023

Lower outage time among US counties

Residents here averaged 0.35 times the US outage time per person and 0.71 times the Idaho rate. It ranks 21 of 35 in the state, where 1 has the most. Data confidence: High, with 7 years of records.

0.3major outages per year

2 of 7years with a major outage

28 hrslongest major outage

Sep, Aprhardest months

September and April made up 36% of this county's outage time. The largest outage on record began Sep 7, 2020, reached 2,686 customers, and left at least 200 customers out for 27.8 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.

25K

50K

75K

100K

2017'172018'182019'192020'202021'212022'222023'23

Show yearly numbers

Year	Customer-hours	Reported outages	Major outages
2017	8,839	12	0
2018	26,524	21	1
2019	17,476	24	0
2020	85,120	38	1
2021	22,312	34	0
2022	20,343	25	0
2023	25,343	32	0

When outages hit

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

10%

15%

20%

JanJFebFMarMAprAMayMJunJJulJAugASepSOctONovNDecD

Largest outages on record

Start date	Hours	Peak customers	Customer-hours
Sep 7, 2020	27.8	2,686	31,837
Jan 24, 2020	3.0	9,590	16,098
Apr 3, 2019	2.5	5,030	9,564
May 28, 2020	1.0	16,466	8,694
Apr 17, 2018	15.0	908	8,335

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.

Look up another county

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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.