massoutage

County annual report · FIPS 22007

2019 Assumption Parish, LA Power Outage Report

In 2019, customers in Assumption Parish, LA went without power for an average of 55.3 hours, a total of 373K customer-hours (Louisiana average 10.2 hours). That ranks 4th worst of 64 Louisiana counties and 51st of 2,945 nationally.

Summary data CSVJSON
Avg hrs / customer
55.3
6,738 customers
Customer-hours out
373K
Peak customers out
12,744
Outages ≥1,000 out
8
1 of 10,000+ · 255 total
Longest outage
8d 1h
began July 12, 2019
Rank in state
4th/64
51st of 2,945 US

Compared with LA, the US and 2018

Assumption Parish, LA average hours without power per customer compared with state and national averages, 2019Assumption Parish 55.3 hours, Louisiana average 10.2 hours, US average 4.7 hours, Assumption Parish, 2018 9.0 hoursAssumption ParishAssumption Parish55.3hLouisiana averageLouisiana average10.2hUS averageUS average4.7hAssumption Parish, 2018Assumption Parish, 2…9.0h
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Average hours without power per customer in 2019; last bar is this county in 2018.

Month by month

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Assumption Parish, LA customer-hours without power by month, 2019Jan 25, Feb 259, Mar 829, Apr 12K, May 2,580, Jun 2,312, Jul 331K, Aug 1,926, Sep 2,720, Oct 7,054, Nov 9,623, Dec 2,2420100k200k300k400k25Jan259Feb829Mar12KApr2,580May2,312Jun331KJul1,926Aug2,720Sep7,054Oct9,623Nov2,242Dec
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Customer-hours; July was the worst month.

Assumption Parish year over year

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Assumption Parish, LA: average hours without power per customer by year2015: 40.9h; 2016: 28.9h; 2017: 14.7h; 2018: 9.0h, coverage 89%; 2019: 55.3h, coverage 89%; 2020: 23.6h, coverage 90%; 2021: 247.5h, coverage 90%; 2022: 13.2h, coverage 91%; 2023: 11.8h; 2024: 71.8h; 2025: 9.9h01002003000%50%100%40.9h201528.9h201614.7h20179.0h201855.3h201923.6h2020247.5h202113.2h202211.8h202371.8h20249.9h2025
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Average hours without power per customer. Line: EAGLE-I coverage, share of customers tracked (right axis).

Coverage line is EAGLE-I's share of Louisiana customers tracked each year.

Biggest outages in Assumption Parish, 2019

The 10 outage episodes with the most customers out at once. Times are UTC.

CSVJSON
#Started (UTC)Ended (UTC)DurationPeak outCustomer-hours
1July 12, 2019 20:00July 20, 2019 21:458d 1h12,744330K
2November 12, 2019 12:00November 12, 2019 16:004h3,2558,598
3April 27, 2019 23:15April 28, 2019 05:456h 30m2,2717,296
4September 7, 2019 09:00September 7, 2019 09:1515m1,365341
5December 19, 2019 08:45December 19, 2019 10:452h1,3502,021
6October 25, 2019 13:30October 25, 2019 14:301h1,3411,341
7May 4, 2019 11:15May 5, 2019 03:0015h 45m1,2551,233
8April 6, 2019 01:00April 6, 2019 04:153h 15m1,2431,255
9June 6, 2019 12:30June 6, 2019 23:3011h9711,243
10July 24, 2019 12:00July 24, 2019 16:004h951262

Outage episodes by size in 2019: 27 reached 100+ customers, 8 reached 1,000+ customers, 1 reached 10,000+ customers.

Utility reliability filed with the EIA

SAIDI (average outage time per customer) and SAIFI (average interruptions per customer) that utilities serving Assumption Parish reported on EIA Form 861 for 2019, or their most recent earlier filing. Utility-wide figures, not county-specific.

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UtilityEIA yearSAIDISAIFISAIDI excl. major eventsSAIFI excl. major events
Entergy Louisiana LLC20184.6 hrs1.843.5 hrs1.63
Cleco Power LLC-----
South Louisiana Elec Coop Assn-----

About this data

  • Outage figures come from DOE/ORNL EAGLE-I, which records customers out by county every 15 minutes. EAGLE-I tracked about 89% of Louisiana's customers in 2019; utilities it does not see are not counted.
  • Hours per customer = outage customer-minutes ÷ 6,738 customers (ORNL modeled county customer count), including major storm days. It is comparable across counties but is not the SAIDI a utility files.
  • An outage event is a continuous stretch with customers out; counts at 100, 1,000 and 10,000+ use its peak.
  • Years loaded: 2015–2025. Assumption Parish has data for 2015–2025.

Cite this report

MassOutage (massoutage.com), Assumption Parish, LA annual power outage report, 2019, data as of Oct 3, 2026 02:41 UTC, sources: DOE EAGLE-I (https://eagle-i.doe.gov/); EAGLE-I modeled customer counts (MCC) (https://figshare.com/); EIA Form 861 (utility reliability) (https://www.eia.gov/electricity/data/eia861/). https://massoutage.com/reports/2019/louisiana/assumption-parish

summary CSVJSONyears CSVJSONmonths CSVJSONevents CSVJSONutilities CSVJSON