PowerOutageHistory
Reliability Grade
F
Least reliable
2014-2025
Oregon

Marion CountyPower Outage History

20142025 · Oregon
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What this grade means

Bottom 20% least reliable nationally — frequent and/or long outages. This county ranks in the least reliable fifth of all US counties in our dataset: some combination of frequent outages, long restoration times, or customers affected puts it near the bottom nationally. Backup power is worth prioritizing here rather than treating it as optional.

Takeaway
High outage risk
Reliability Rank
Fuller bar = more reliable
Nationwide12th pct
In Oregon#33 of 34
See full Oregon rankings →
Total events
1,212
Recorded 2014–2025
Avg duration
4.7 hrs
Per outage event
Longest outage
203 hrs
Single worst event on record
Customers served
137,302
Utility customers in county

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
Feb 12, 2021148 hrs117,645 (86%)Unnamed event
Dec 17, 202570 hrs51,158 (37%)Unnamed event
Feb 18, 202163 hrs34,532 (25%)Unnamed event
Dec 27, 202264 hrs20,242 (15%)Unnamed event
Apr 7, 201765 hrs19,325 (14%)Unnamed event

Was There an Outage on a Specific Date?

Pick a date to see whether a power outage was recorded for Marion County, Oregon that day.

Over the 12 years from 2014 to 2025, Marion County recorded 1,212 distinct power outage events, averaging 4.7 hours per event.

The single worst outage on record in Marion County started February 12, 2021, lasting 148 hours and leaving up to 117,645 customers without power (86% of the county) at its peak.

August has historically been the worst month for outages in Marion County, with 142 events recorded during that month across the dataset.

Based on this history, Marion County earns a Reliability Grade of F, placing it in the 12th percentile nationally for grid reliability (higher percentile = more reliable).

Similar counties in Oregon

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

CountyGradeNational percentile
Clackamas CountyF8th
Lincoln CountyF19th
Tillamook CountyD20th
Clatsop CountyD25th
Wallowa CountyD26th

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.

FAQ

How often does power go out in Marion County?

Between 2014 and 2025, Marion County recorded 1,212 outage events, averaging 4.7 hours each.

What is Marion County's reliability grade?

Marion County has a Reliability Grade of F, in the 12th national percentile.

What was the worst power outage in Marion County?

The worst outage on record started February 12, 2021, lasting 148 hours and affecting up to 117,645 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.