St. Mary Parish, LA Power Outages
Utilities serving St. Mary Parish, Louisiana don't yet share live outage data with DOE's ODIN feed. Check your electric company's outage map (listed below) for real-time status.
St. Mary Parish on the Louisiana outage map
- Normal
- Minor
- Moderate
- Major
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- Limited data
Current outages
Weather alerts
No active outage-relevant weather alerts from the National Weather Service.
St. Mary Parish power outage history
Every significant outage recorded in St. Mary Parish since late 2014, with likely causes from NOAA storm reports
Since late 2014, DOE's EAGLE-I monitoring system has recorded 308 significant power outages in St. Mary Parish, meaning events that left at least 1% of customers in the dark. The largest (Jul 13–17, 2019) came when flooding left 17,613 customers (63.6% of the county) without power.
From 2018 to 2025, the average customer here lost about 10 hr 11 min of power per year, less than the Louisiana average of 28 hr 40 min. That ranks 58th of 64 Louisiana counties for outage time, where 1st has the most.
July is the riskiest month: it accounted for 39% of all customer outage time from 2018 to 2025. On 52 days in that period, at least 5% of customers were out at the same time. Outage time in St. Mary Parish has fallen recently: about 6 hr 37 min per customer per year in 2022–2025, versus 13 hr 44 min in 2018–2021.
The most recent significant outage on record (Dec 8, 2025) affected 1,095 customers (4%).
Worst outages on record
| # | When | Peak customers out | Days | Likely cause (NOAA) |
|---|---|---|---|---|
| 1 | Jul 13–17, 2019 | 17,613(63.6%) | 5 | Flooding |
| 2 | Sep 11–14, 2024 | 13,865(50%) | 4 | Hurricane Francine |
| 3 | Jul 27, 2017 | 7,936(28.6%) | 1 | Extreme heat |
| 4 | Sep 21–22, 2020 | 7,659(27.6%) | 2 | Hurricane Beta |
| 5 | Dec 24–25, 2022 | 7,342(26.5%) | 2 | Winter Storm Elliott |
Hours without power per customer, by year
When outages happen
Source: DOE/ORNL EAGLE-I recorded electricity outages, 2014–2025 (CC BY 4.0), with likely causes from the NOAA NCEI Storm Events Database. EAGLE-I coverage was partial before 2018, so averages use 2018–2025. Peak counts are the highest number of customers out at one time.
Who provides electricity in St. Mary Parish?
Electric companies with service territory in St. Mary Parish (EIA-861, 2025)
| Utility | Type | Customers (LA) | Avg. outage time / yr | Live data |
|---|---|---|---|---|
| Cleco | Investor Owned | 295,892 | Not reporting | |
| South Louisiana Elec Coop Assn | Cooperative | 21,297 | Not reporting | |
| Morgan City - (LA) | Municipal | 5,639 | Not reporting |
Customer counts are each utility's statewide total in Louisiana. Source: U.S. Energy Information Administration, Form EIA-861 & Electric Power Annual.
Local outage news
No St. Mary Parish outage headlines in the past week.
Nearby counties
St. Mary Parish power outage FAQ
Is the power out in St. Mary Parish right now?
No outages are currently reported for St. Mary Parish by participating utilities. Live coverage is limited here, so If your power is out, report it to your electric company.
Which electric company serves St. Mary Parish?
According to EIA-861 service territory data, Cleco Power LLC, South Louisiana Elec Coop Assn, Morgan City - (LA) provide electric service in St. Mary Parish, Louisiana.
What was the worst power outage in St. Mary Parish?
The largest outage recorded by DOE's EAGLE-I system since 2014 was Jul 13–17, 2019. It peaked at 17,613 customers without power (63.6% of the county). NOAA storm reports for that period point to flooding.
How often does the power go out in St. Mary Parish?
EAGLE-I has recorded 308 significant outages here since late 2014. From 2018 to 2025 the average customer lost about 10 hr 11 min of power per year, and on 52 days at least 5% of customers were out at once.
Cite this page
You may reuse our derived data under CC BY 4.0 with attribution. Underlying government data is public domain.
PowerOutageTracker.com. "St. Mary Parish, LA Power Outages." Accessed November 3, 2026. https://poweroutagetracker.com/outages/louisiana/st-mary-parish