PowerOutageHistory
BReliability Grade

Lake CountyPower Outage History

20172025 · Oregon

Better than average — fewer or shorter outages than most counties.

How grades are calculated

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Reliability Rank
Higher percentile = more reliable
Nationwide68th pct
In Oregon70th pct
Total events
116
Avg duration
4.2 hrs
Longest outage
70 hrs
Customers served
6,216
Utility customers in county

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
Feb 2, 202555 hrs2,351 (38%)Winter Storm
Apr 14, 2024<1 hr2,343 (38%)Unnamed event
Jun 22, 20212 hrs2,341 (38%)Wildfire
Oct 31, 2024<1 hr2,333 (38%)Unnamed event
Jun 26, 20241 hrs2,014 (32%)Wildfire

Over the 9 years from 2017 to 2025, Lake County recorded 116 distinct power outage events, averaging 4.2 hours per event.

The single worst outage on record in Lake County started February 2, 2025 (Winter Storm), lasting 55 hours and leaving up to 2,351 customers without power (38% of the county) at its peak.

July has historically been the worst month for outages in Lake County, with 18 events recorded during that month across the dataset.

Based on this history, Lake County earns a Reliability Grade of B, placing it in the 68th percentile nationally for grid reliability (higher percentile = more reliable).

Sized for Lake County's outage profile

See more picks in our Best Small Power Stations (Under 1,000Wh) roundup.

Outage-prep kit

See our outage-prep guides.

Similar counties in Oregon

Counties with the closest reliability grade and national percentile to Lake County.

CountyGradeNational percentile
Grant CountyB70th
Benton CountyB64th
Crook CountyB63rd
Umatilla CountyB73rd
Union CountyB74th

Most reliable counties in Oregon

The top 3 counties in Oregon by reliability grade and percentile.

CountyGradeNational percentile
Harney CountyA94th
Wasco CountyA93rd
Deschutes CountyA87th

Least reliable counties in Oregon

The bottom 3 counties in Oregon by reliability grade and percentile.

CountyGradeNational percentile
Clackamas CountyF8th
Marion CountyF12th
Lincoln CountyF19th

Most reliable counties nationally

The top 3 counties nationally by reliability grade and percentile.

CountyStateGradeNational percentile
Clay CountySouth DakotaA100th
Clearwater CountyMinnesotaA99th
Limestone CountyAlabamaA99th

Least reliable counties nationally

The bottom 3 counties nationally by reliability grade and percentile.

CountyStateGradeNational percentile
Clay CountyWest VirginiaF0th
Lincoln CountyWest VirginiaF0th
Cameron ParishLouisianaF0th

FAQ

How often does power go out in Lake County?

Between 2017 and 2025, Lake County recorded 116 outage events, averaging 4.2 hours each.

What is Lake County's reliability grade?

Lake County has a Reliability Grade of B, in the 68th national percentile.

What was the worst power outage in Lake County?

The worst outage on record started February 2, 2025 (Winter Storm), lasting 55 hours and affecting up to 2,351 customers.

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Data: ORNL EAGLE-I Recorded Electricity Outages (2014–2025), CC BY 4.0. Storm names: NOAA Storm Events Database. Last data refresh: 2025. See methodology.