PowerOutageHistory
F

St. John the Baptist Parish Power Outage History

20142025 · Louisiana

Bottom 20% least reliable nationally — frequent and/or long outages. How grades are calculated

Total events
846
Avg duration
3.7 hrs
Longest outage
339 hrs
National percentile
0th

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
Aug 30, 2021195 hrs19,726 (89%)Tropical Storm Ida
Aug 29, 202118 hrs19,076 (86%)Tropical Storm Ida
Aug 29, 20218 hrs19,071 (86%)Tropical Storm Ida
Sep 7, 2021339 hrs19,001 (86%)Tropical Storm Ida
Aug 30, 20211 hrs18,290 (83%)Tropical Storm Ida

Over the 12 years from 2014 to 2025, St. John the Baptist Parish recorded 846 distinct power outage events, averaging 3.7 hours per event.

The single worst outage on record in St. John the Baptist Parish started August 30, 2021 (Tropical Storm Ida), lasting 195 hours and leaving up to 19,726 customers without power (89% of the county) at its peak.

August has historically been the worst month for outages in St. John the Baptist Parish, with 104 events recorded during that month across the dataset.

Based on this history, St. John the Baptist Parish earns a Reliability Grade of F, placing it in the 0th percentile nationally for grid reliability (higher percentile = more reliable).

Sized for St. John the Baptist Parish's outage profile

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Outage-prep kit

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Similar counties in Louisiana

Counties with the closest reliability grade and national percentile to St. John the Baptist Parish.

CountyGradeNational percentile
St. Helena ParishF0th
Lafourche ParishF0th
Cameron ParishF0th
Beauregard ParishF0th
Calcasieu ParishF1st

FAQ

How often does power go out in St. John the Baptist Parish?

Between 2014 and 2025, St. John the Baptist Parish recorded 846 outage events, averaging 3.7 hours each.

What is St. John the Baptist Parish's reliability grade?

St. John the Baptist Parish has a Reliability Grade of F, in the 0th national percentile.

What was the worst power outage in St. John the Baptist Parish?

The worst outage on record started August 30, 2021 (Tropical Storm Ida), lasting 195 hours and affecting up to 19,726 customers.

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.