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Power Outages in St. Mary Parish, LA

As of October 19, 2026 12:50 UTC, no outages are reported by Cleco Power LLC in St. Mary Parish, LA. Colquitt Electric Membership Corp has not reported outages here, but it only publishesactive outages, so that isn't a confirmed all-clear. There is no live feed for Morgan City - (LA) and South Louisiana Elec Coop Assn. In 2025, the average customer here lost power for about 1.7 hours.

St. Mary Parish, LA is served by 4 tracked utilities.

Cite this data
URL
https://massoutage.com/louisiana/st-mary-parish
As of
October 19, 2026 12:50 UTC
Publisher
MassOutage

MassOutage, "Power Outages in St. Mary Parish, LA", live data as of October 19, 2026 12:50 UTC. https://massoutage.com/louisiana/st-mary-parish

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St. Mary Parish, LA
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This county Loading live outagesout
No outages reported

No active outages are reported by Cleco Power LLC in St. Mary Parish.

Colquitt Electric Membership Corp only appearsin feeds while reporting outages, so no report isn't a confirmed all-clear.

No live feed for Morgan City - (LA) and South Louisiana Elec Coop Assn: outages in theirservice area won't show here.

Live status by utility · St. Mary Parish

66%of this county's ~28,210 customers are served by utilities with a county-level live feed.

Blind spots

We can't see outages for: Morgan City - (LA), South Louisiana Elec Coop Assn. Their customers are not in any number on this page; check their own outage maps.

Only visible while reporting outages: Colquitt Electric Membership Corp. Zero here is not a confirmed all-clear.

UtilityFeedOutServed% outSmall outagesIncidentsUtility ETRAs of
Cleco Power LLCLive · county018,6890.0%---
Colquitt Electric Membership CorpOutages onlynone reported------
Morgan City - (LA)No live feedcan't see------
South Louisiana Elec Coop AssnNo live feedcan't see------

Cleco Power LLC reportsevery town in the county on each poll, so 0 out is a real all-clear. ETRs are the utility's own estimates.

Electricity-dependent residents

HHS emPOWER · data October 7, 2026

Medicare beneficiaries in St. Mary Parishwho rely on electricity-dependent medical equipment (ventilators, oxygen concentrators, home dialysis, powered wheelchairs, and more). HHS reports counts of 1–10 as “≤11”. Medicare only, so the full at-risk population is larger.

Power-dependent
627
Oxygen service
134
Dialysis (facility)
99
Home health / hospice
161
By ZIP code (5)
ZIPPower-dependentVentilatorsO2 concentratorsHome dialysis
70538139≤11890
7039277≤11510
7034251≤11420
7051424≤1120≤11
70523140≤110

Emergency managers can request identified beneficiary lists through their state health department via the HHS emPOWER program.

🔔 Alerts for St. Mary Parish, LA

Outage began, grew, restoration estimate changed, restored: by email, Slack, Teams, Discord or signed webhook, for St. Mary Parish or any town and utility in it.

◢ ACTIVE WEATHER ALERTS · NWS

No active NWS alerts for St. Mary Parish right now.

Recent NWS alert activity · St. Mary Parish

St. Mary Parish has been under 15 National Weather Service alerts recently, most recently a Red Flag Warning on October 17, 2026.

  • Coastal Flood Advisory ×6
  • Dense Fog Advisory ×3
  • Wind Advisory ×2
  • Tsunami Warning ×1
  • Red Flag Warning ×1
  • Fire Weather Watch ×1
Outage trend · St. Mary Parish, LA
0customers out
Data as of Oct 19, 2026 12:50 UTC
St. Mary Parish, LA: customers without power, last 24 hoursPeak 0 customers out; latest 0 as of Oct 19, 2026 12:50 UTC. Each point is the highest reading in its interval.00.30.50.8112 PM6 PMOct 196 AM
Use the arrow keys to read values.
Times in EDT. Shaded stretches had no reading.

Hardest-hit cities in St. Mary Parish

Where this event is concentrated across the county's towns and townships.

No cities on file for this county

Historical reliability

In 2025, the average customer in St. Mary Parish went about 1.7 hours without power. Peak simultaneous outage on record reached 17,613 customers.

Official state benchmark (EIA 2025)Source: US EIA

The US EIA reports Louisiana utilities averaged 4.5 hrs without power per customer (SAIDI) in 2025, a cross-check on our county estimate of 1.7 hrs.

A decade of outages (2015–2025)
avg hrs without power / customer
St. Mary Parish average outage hours per customer by year2015–2025: 2015 1.6h, 2016 2.7h, 2017 3.2h, 2018 2.5h, 2019 33.2h, 2020 10.8h, 2021 8.5h, 2022 2.9h, 2023 3.1h, 2024 18.7h, 2025 1.7h. Highlighted: 2019.0102030401.6h20152.7h20163.2h20172.5h201833.2h201910.8h20208.5h20212.9h20223.1h202318.7h20241.7h2025
Use the arrow keys to read values.

Worst year here was 2019 (peak 17,613 customers out) · decade average 8.1 hrs without power per customer/yr.

YearOutage eventsPeak customers outAvg hrs/customer
20156292,5191.6
20167106,0462.7
20176327,9363.2
20185614,2392.5
201933517,61333.2
20205067,65910.8
20214746,8718.5
20225067,3422.9
20235294,3163.1
202451913,86518.7
20255434,9521.7

Cost of power in St. Mary Parish

ENERGY & AI DEMAND →

Estimated residential electricity price for St. Mary Parish, customer-weighted across the utilities serving it (US EIA, 2025). Retail prices aren't published at the county level; this is a derived estimate.

13.6¢/kWh
estimated residential average
▲ 32% since 2015
vs Louisiana avg 12.7¢
vs US avg 20.0¢
BY UTILITY · RESIDENTIAL ¢/kWh

Weighted by each utility's residential customer count (utilities report customers at the state level; a per-county share isn't published). Rising retail prices track a national demand surge; see energy & the data-center boom.

Worst recorded outages
STARTEDPEAK OUTDURATION
July 12, 201917,6135d 23h
September 11, 202413,8654d
July 27, 20177,9363h
October 8, 20207,1545d 7h
August 28, 20216,8713d 9h
See the biggest power outages in US history →
Natural hazards & outage risk
HIGH

Relatively High hurricanes exposure · 8.1 hrs/yr of outages over the last decade.

HurricaneRelatively High
TornadoRelatively Moderate

FEMA rates this county’s social vulnerability relatively high: outages hit harder where communities are less able to respond and recover.

All hazard rankings →

Power outages in St. Mary Parish: FAQ

How often does St. Mary Parish, LA lose power?
Based on EAGLE-I records, St. Mary Parish, LA logged 543 distinct outage events in 2025, averaging about 1.7 hours without power per customer over the year.
What was the worst power outage in St. Mary Parish, LA?
The largest tracked outage peaked at 17,613 customers without power, beginning July 12, 2019 and lasting about 5d 23h.
Is there a power outage in St. Mary Parish, LA right now?
No major outage is currently reported for St. Mary Parish, LA. Live coverage depends on whether local utilities report to ODIN.
Which utilities serve St. Mary Parish, LA?
Tracked electric providers include Cleco Power LLC, Colquitt Electric Membership Corp.
ZIP codes in St. Mary Parish

Outages are tracked at the county level; these ZIP codes fall within St. Mary Parish.

70340, 70342, 70392, 70514, 70522, 70523, 70538

Electric providers serving this county

From EIA-861 service territory, with official reliability where reported.

ProviderOfficial SAIDI (EIA)LiveReport outage
Cleco Power LLC-Live · county-
Colquitt Electric Membership Corp-Outages only-
South Louisiana Elec Coop Assn-No live feed-
Morgan City - (LA)-No live feed-

Data from DOE/ORNL ODIN, DOE EAGLE-I, EIA Form 861 (utility reliability), EIA electricity retail prices and FEMA National Risk Index, every source we read. Historical figures derive from the DOE/ORNL EAGLE-I dataset (EAGLE-I tracked roughly 0% of Louisiana customers). Machine-readable data: /api/v1/counties/22101 and /api/v1/counties/22101/history.