massoutage

County annual report · FIPS 22095

2015 St. John the Baptist Parish, LA Power Outage Report

In 2015, customers in St. John the Baptist Parish, LA went without power for an average of 5.2 hours, a total of 115K customer-hours (Louisiana average 5.8 hours). That ranks 40th worst of 64 Louisiana counties and 542nd of 2,484 nationally.

Summary data CSVJSON
Avg hrs / customer
5.2
22,092 customers
Customer-hours out
115K
Peak customers out
4,954
Outages ≥1,000 out
18
0 of 10,000+ · 390 total
Longest outage
3d 19h
began October 16, 2015
Rank in state
40th/64
542nd of 2,484 US

Compared with LA, the US

St. John the Baptist Parish, LA average hours without power per customer compared with state and national averages, 2015St. John the Baptist Parish 5.2 hours, Louisiana average 5.8 hours, US average 2.9 hoursSt. John the Baptist ParishSt. John the Baptist…5.2hLouisiana averageLouisiana average5.8hUS averageUS average2.9h
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Average hours without power per customer in 2015.

Month by month

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St. John the Baptist Parish, LA customer-hours without power by month, 2015Jan 4,425, Feb 17K, Mar 420, Apr 17K, May 16K, Jun 10K, Jul 5,397, Aug 6,233, Sep 2,177, Oct 5,106, Nov 1,271, Dec 29K010k20k30k4,425Jan17KFeb420Mar17KApr16KMay10KJun5,397Jul6,233Aug2,177Sep5,106Oct1,271Nov29KDec
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Customer-hours; December was the worst month.

St. John the Baptist Parish year over year

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St. John the Baptist Parish, LA: average hours without power per customer by year2015: 5.2h; 2016: 23.6h; 2017: 3.0h; 2018: 6.4h, coverage 89%; 2019: 8.6h, coverage 89%; 2020: 14.1h, coverage 90%; 2021: 338.9h, coverage 90%; 2022: 9.2h, coverage 91%; 2023: 9.7h; 2024: 25.6h; 2025: 6.9h01002003004000%50%100%5.2h201523.6h20163.0h20176.4h20188.6h201914.1h2020338.9h20219.2h20229.7h202325.6h20246.9h2025
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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 St. John the Baptist Parish, 2015

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

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#Started (UTC)Ended (UTC)DurationPeak outCustomer-hours
1August 5, 2015 20:00August 6, 2015 00:154h 15m4,9542,400
2August 2, 2015 07:45August 2, 2015 11:153h 30m4,8361,220
3February 17, 2015 03:45February 17, 2015 08:304h 45m4,58514K
4April 27, 2015 15:00April 29, 2015 17:452d 2h3,70515K
5July 30, 2015 21:30July 31, 2015 02:305h2,4803,244
6December 28, 2015 09:15December 29, 2015 06:4521h 30m1,93225K
7October 7, 2015 19:15October 7, 2015 20:451h 30m1,685425
8May 25, 2015 22:15May 27, 2015 00:301d 2h1,4784,538
9May 13, 2015 22:30May 15, 2015 22:302d1,3222,048
10January 20, 2015 22:15January 21, 2015 06:308h 15m1,3103,190

Outage episodes by size in 2015: 38 reached 100+ customers, 18 reached 1,000+ customers, 0 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 St. John the Baptist Parish reported on EIA Form 861 for 2015, 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 LLC20156.2 hrs2.082.9 hrs1.63

About this data

  • Outage figures come from DOE/ORNL EAGLE-I, which records customers out by county every 15 minutes. EAGLE-I tracked about n/a of Louisiana's customers in 2015; utilities it does not see are not counted.
  • Hours per customer = outage customer-minutes ÷ 22,092 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. St. John the Baptist Parish has data for 2015–2025.

Cite this report

MassOutage (massoutage.com), St. John the Baptist Parish, LA annual power outage report, 2015, 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/2015/louisiana/st-john-the-baptist-parish

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