massoutage

Operating region annual report

2021 Mayagüez Region, PR Power Outage Report

LUMA Energy's Mayagüez operating region, as EAGLE-I reports Puerto Rico. It covers Aguada, Aguadilla, Añasco, Cabo Rojo, Hormigueros, Isabela, Lares, Las Marías, Maricao, Mayagüez, Moca, Rincón, San Germán and San Sebastián. Source: LUMA's operational regions map (2/01/2024).

In 2021, customers in Mayagüez Region, PR went without power for an average of 37.3 hours, a total of 7.8M customer-hours (Puerto Rico average 27.3 hours). That ranks 1st worst of 6 Puerto Rico regions.

Summary data CSVJSON
Avg hrs / customer
37.3
209,201 customers
Customer-hours out
7.8M
Peak customers out
46,416
Outages ≥1,000 out
14
8 of 10,000+ · 46 total
Longest outage
99d 3h
began June 16, 2021
Rank in state
1st/6

Compared with PR, the US

Mayagüez Region, PR average hours without power per customer compared with state and national averages, 2021Mayagüez Region 37.3 hours, Puerto Rico average 27.3 hours, US average (50 states and DC) 8.4 hoursMayagüez RegionMayagüez Region37.3hPuerto Rico averagePuerto Rico average27.3hUS average (50 states and DC)US average (50 state…8.4h
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Average hours without power per customer in 2021.

Month by month

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Mayagüez Region, PR customer-hours without power by month, 2021Jan 86K, Feb 401K, Mar 363K, Apr 235K, May 1.2M, Jun 640K, Jul 1.4M, Aug 790K, Sep 1.4M, Oct 522K, Nov 451K, Dec 328K0500k1M1.5M86KJan401KFeb363KMar235KApr1.2MMay640KJun1.4MJul790KAug1.4MSep522KOct451KNov328KDec
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Customer-hours; July was the worst month.

Mayagüez Region year over year

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Mayagüez Region, PR: average hours without power per customer by year2015: no data; 2016: no data; 2017: no data; 2018: no data; 2019: no data; 2020: no data; 2021: 37.3h, coverage 100%; 2022: 369.3h, coverage 100%; 2023: 38.2h; 2024: 85.3h; 2025: 57.1h01002003004000%50%100%n/a2015n/a2016n/a2017n/a2018n/a2019n/a202037.3h2021369.3h202238.2h202385.3h202457.1h2025
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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 Puerto Rico customers tracked each year.

Biggest outages in Mayagüez Region, 2021

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

CSVJSON
#Started (UTC)Ended (UTC)DurationPeak outCustomer-hours
1September 24, 2021 04:15October 21, 2021 02:0026d 21h46,4161.4M
2June 16, 2021 17:00September 23, 2021 20:3099d 3h29,8782.9M
3October 21, 2021 05:16December 30, 2021 08:1570d 2h27,202894K
4May 3, 2021 13:00June 2, 2021 22:4530d 9h25,6071.4M
5February 10, 2021 12:00March 16, 2021 14:4534d 2h19,927607K
6March 16, 2021 18:45April 4, 2021 05:4518d 11h16,853121K
7April 4, 2021 22:00April 25, 2021 03:4520d 5h12,338216K
8January 27, 2021 10:30February 10, 2021 05:4513d 19h10,864141K
9June 2, 2021 23:30June 3, 2021 00:451h 15m6,8414,127
10June 3, 2021 04:30June 3, 2021 12:458h 15m4,19029K

Outage episodes by size in 2021: 16 reached 100+ customers, 14 reached 1,000+ customers, 8 reached 10,000+ customers.

About this data

  • Outage figures come from DOE/ORNL EAGLE-I, which records customers out by county every 15 minutes. EAGLE-I tracked about 100% of Puerto Rico's customers in 2021; utilities it does not see are not counted.
  • Hours per customer = outage customer-minutes ÷ 209,201 customers (the sum of ORNL's modeled municipio customer counts), 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. Mayagüez Region has data for 2021–2025.

Cite this report

MassOutage (massoutage.com), Mayagüez Region, PR annual power outage report, 2021, data as of Oct 14, 2026 13:35 UTC, sources: DOE EAGLE-I (https://eagle-i.doe.gov/); EAGLE-I modeled customer counts (MCC) (https://figshare.com/). https://massoutage.com/reports/2021/puerto-rico/mayaguez-region

summary CSVJSONyears CSVJSONmonths CSVJSONevents CSVJSONutilities CSVJSON