Sherman County power outages

Oregon outage history from 2017 to 2023, with the largest outages and a backup battery estimate.

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

Sherman County, Oregon had 1 major outage from 2017 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 7 years of records.

0.1major outages per year
1 of 7years with a major outage
13 hrslongest major outage
Sep, Dechardest months

September and December made up 62% of this county's outage time. The largest outage on record began Sep 14, 2020, reached 991 customers, and left at least 200 customers out for 12.8 hours.

Outage time per resident, rated Oregon counties
MostLeast

Outage impact by year

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

0
5K
10K
15K
20K
2017'172018'182019'192020'202021'212022'222023'23
Show yearly numbers
YearCustomer-hoursReported outagesMajor outages
20171,13710
20186,88040
20191,08620
202015,21251
20211,04220
202242820
20237,00950

When outages hit

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

0%
10%
20%
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40%
JanJFebFMarMAprAMayMJunJJulJAugASepSOctONovNDecD

Largest outages on record

Start dateHoursPeak customersCustomer-hours
Sep 14, 202012.899112,380
Dec 27, 20185.29905,070
Aug 27, 20235.55022,749
Dec 26, 20233.21,0062,547
May 31, 20205.03141,519

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.