Power Outages in St. Tammany Parish, LA
Is there a power outage in St. Tammany Parish, LA right now? Yes. As of October 19, 2026 19:55 UTC, about 5 customers are without power in St. Tammany Parish, LA across 1 reported incident.
St. Tammany Parish, LA is served by 3 tracked utilities. In 2025, the average customer here lost power for about 2.8 hours.
Cite this data
- URL
- https://massoutage.com/louisiana/st-tammany-parish
- As of
- October 19, 2026 19:55 UTC
- Publisher
- MassOutage
MassOutage, "Power Outages in St. Tammany Parish, LA", live data as of October 19, 2026 19:55 UTC. https://massoutage.com/louisiana/st-tammany-parish
Report an outage in St. Tammany Parish, LA
Report it to your electric utility; MassOutage can't take reports. For a downed line, stay at least 35 feet away and call 911.
No outage contact on file for Entergy Louisiana LLC, Washington-St Tammany E C, Inc and Cleco Power LLC; check your electric bill or the utility's website.
100%of this county's ~138,314 customers are served by utilities with a county-level live feed.
| Utility | Feed | Out | Served | % out | Small outages | Incidents | Utility ETR | As of |
|---|---|---|---|---|---|---|---|---|
| Cleco Power LLC | Live · county | 0 | 101,220 | 0.0% | - | - | - | |
| Washington-St Tammany E C, Inc | Live · county | 5 | 32,593 | 0.0% | - | - | - | |
| Entergy Louisiana LLC | Live · county | 0 | 4,280 | 0.0% | - | - | - |
Cleco Power LLC, Washington-St Tammany E C, Inc and Entergy Louisiana LLC reportevery 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, 2026Medicare beneficiaries in St. Tammany 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.
By ZIP code (13)
| ZIP | Power-dependent | Ventilators | O2 concentrators | Home dialysis |
|---|---|---|---|---|
| 70458 | 444 | 12 | 342 | ≤11 |
| 70433 | 391 | ≤11 | 245 | ≤11 |
| 70460 | 277 | 16 | 211 | ≤11 |
| 70461 | 276 | ≤11 | 201 | ≤11 |
| 70435 | 203 | ≤11 | 135 | ≤11 |
| 70452 | 202 | ≤11 | 162 | ≤11 |
| 70471 | 193 | ≤11 | 119 | ≤11 |
| 70448 | 162 | ≤11 | 103 | ≤11 |
| 70445 | 128 | ≤11 | 89 | ≤11 |
| 70420 | 92 | ≤11 | 55 | ≤11 |
| 70437 | 90 | ≤11 | 62 | ≤11 |
| 70447 | 83 | ≤11 | 55 | 0 |
| 70431 | 69 | ≤11 | 49 | ≤11 |
Emergency managers can request identified beneficiary lists through their state health department via the HHS emPOWER program.
Outage began, grew, restoration estimate changed, restored: by email, Slack, Teams, Discord or signed webhook, for St. Tammany Parish or any town and utility in it.
No active NWS alerts for St. Tammany Parish right now.
St. Tammany Parish has been under 69 National Weather Service alerts recently, most recently a Red Flag Warning on October 18, 2026.
- Tropical Cyclone Local Statement ×13
- Dense Fog Advisory ×11
- Tropical Storm Warning ×8
- Storm Surge Warning ×8
- Coastal Flood Advisory ×5
- Flood Watch ×4
Latest St. Tammany Parish, LA outage updates
A running log of how this outage has changed, updated automatically as utilities report in.
- RESOLVED
Power restored after 35m
- OUTAGE BEGAN
Outage began: 537 customers out (0.4% of the county)
- RESOLVED
Power restored after 25m
- OUTAGE BEGAN
Outage began: 556 customers out (0.4% of the county)
- RESOLVED
Power restored after 13m
- OUTAGE BEGAN
Outage began: 632 customers out (0.4% of the county)
- RESOLVED
Power restored after 45m
- OUTAGE BEGAN
Outage began: 650 customers out (0.4% of the county)
Hardest-hit cities in St. Tammany Parish
Where this event is concentrated across the county's towns and townships.
Live outage counts are tracked at the county level; a city-by-city split within St. Tammany Parishisn't available yet.
Historical reliability
In 2025, the average customer in St. Tammany Parish went about 2.8 hours without power. Peak simultaneous outage on record reached 130,114 customers.
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 2.8 hrs.
Worst year here was 2021 (peak 130,114 customers out) · decade average 13.5 hrs without power per customer/yr.
| Year | Outage events | Peak customers out | Avg hrs/customer |
|---|---|---|---|
| 2015 | 1,187 | 7,071 | 1.7 |
| 2016 | 1,048 | 7,622 | 1.7 |
| 2017 | 959 | 6,567 | 2.1 |
| 2018 | 952 | 12,363 | 2.3 |
| 2019 | 703 | 40,301 | 8.0 |
| 2020 | 827 | 80,509 | 16.5 |
| 2021 | 479 | 130,114 | 99.6 |
| 2022 | 654 | 6,642 | 2.4 |
| 2023 | 875 | 15,400 | 3.4 |
| 2024 | 833 | 33,719 | 8.1 |
| 2025 | 962 | 23,349 | 2.8 |
Cost of power in St. Tammany Parish
ENERGY & AI DEMAND →Estimated residential electricity price for St. Tammany 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.
- Entergy Louisiana LLC11.9¢961,871 cust
- Cleco Power LLC14.3¢252,816 cust
- Washington-St Tammany E C, Inc11.0¢51,187 cust
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. What that adds up to each month, by state and utility: average electric bill.
Very High hurricanes exposure · 13.5 hrs/yr of outages over the last decade.
Power outages in St. Tammany Parish: FAQ
- How often does St. Tammany Parish, LA lose power?
- Based on EAGLE-I records, St. Tammany Parish, LA logged 962 distinct outage events in 2025, averaging about 2.8 hours without power per customer over the year.
- What was the worst power outage in St. Tammany Parish, LA?
- The largest tracked outage peaked at 130,114 customers without power, beginning August 29, 2021 and lasting about 21d 11h.
- Is there a power outage in St. Tammany Parish, LA right now?
- Yes. As of October 19, 2026 19:55 UTC, about 5 customers are without power in St. Tammany Parish, LA across 1 reported incident.
- Which utilities serve St. Tammany Parish, LA?
- Tracked electric providers include Cleco Power LLC, Entergy Louisiana LLC, Washington-St Tammany E C, Inc.
Outages are tracked at the county level; these ZIP codes fall within St. Tammany Parish.
70420, 70431, 70433, 70435, 70437, 70445, 70447, 70448, 70452, 70457, 70458, 70460, 70461, 70463, 70464, 70471
Electric providers serving this county
From EIA-861 service territory, with official reliability where reported. Territory is filed by county, so these are the utilities with lines anywhere in St. Tammany Parish, not the one at a given address. All electric companies in Louisiana →
| Provider | Official SAIDI (EIA) | Live | Report outage |
|---|---|---|---|
| Entergy Louisiana LLC | 4.2 hrs | Live · county | - |
| Washington-St Tammany E C, Inc | 8.5 hrs | Live · county | - |
| Cleco Power LLC | - | Live · county | - |
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/22103 and /api/v1/counties/22103/history. Live data as of .