Yamhill County power outages

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

Yamhill County, Oregon had 30 major outages from 2015 to 2023

Above middle outage time among US counties

Residents here averaged 1.02 times the US outage time per person and 0.91 times the Oregon rate. It ranks 12 of 32 in the state, where 1 has the most. Data confidence: High, with 9 years of records.

3.3major outages per year
8 of 9years with a major outage
132 hrslongest major outage
Feb, Sephardest months

February and September made up 59% of this county's outage time. The largest outage on record began Feb 13, 2021, reached 9,175 customers, and left at least 200 customers out for 132.5 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
0.5M
1M
1.5M
2M
2015'152016'162017'172018'182019'192020'202021'212022'222023'23
Show yearly numbers
YearCustomer-hoursReported outagesMajor outages
201577,233371
201683,118342
2017253,261333
201829,980250
201974,950262
2020302,310286
20211,067,070456
2022428,030446
2023168,553444

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
Feb 13, 2021132.59,175750,870
Apr 7, 201754.511,962189,178
Sep 8, 202043.08,946173,654
Sep 9, 202248.55,930169,486
Dec 27, 202263.28,081132,862

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.