massoutage

County annual report · FIPS 24003

2015 Anne Arundel County, MD Power Outage Report

In 2015, customers in Anne Arundel County, MD went without power for an average of 2.5 hours, a total of 637K customer-hours (Maryland average 2.0 hours). That ranks 8th worst of 24 Maryland counties and 1054th of 2,484 nationally.

Summary data CSVJSON
Avg hrs / customer
2.5
253,751 customers
Customer-hours out
637K
Peak customers out
21,967
Outages ≥1,000 out
31
1 of 10,000+ · 273 total
Longest outage
22d 6h
began June 7, 2015
Rank in state
8th/24
1054th of 2,484 US

Compared with MD, the US

Anne Arundel County, MD average hours without power per customer compared with state and national averages, 2015Anne Arundel County 2.5 hours, Maryland average 2.0 hours, US average 2.9 hoursAnne Arundel CountyAnne Arundel County2.5hMaryland averageMaryland average2.0hUS averageUS average2.9h
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Average hours without power per customer in 2015.

Month by month

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Anne Arundel County, MD customer-hours without power by month, 2015Jan 15K, Feb 120K, Mar 22K, Apr 44K, May 44K, Jun 196K, Jul 77K, Aug 34K, Sep 29K, Oct 33K, Nov 13K, Dec 10K050k100k150k200k15KJan120KFeb22KMar44KApr44KMay196KJun77KJul34KAug29KSep33KOct13KNov10KDec
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Customer-hours; June was the worst month.

Anne Arundel County year over year

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Anne Arundel County, MD: average hours without power per customer by year2015: 2.5h; 2016: 2.1h; 2017: 1.6h; 2018: 4.3h, coverage 98%; 2019: 2.0h, coverage 97%; 2020: 2.4h, coverage 98%; 2021: 2.6h, coverage 99%; 2022: 4.2h, coverage 99%; 2023: 3.3h; 2024: 2.4h; 2025: 4.4h02460%50%100%2.5h20152.1h20161.6h20174.3h20182.0h20192.4h20202.6h20214.2h20223.3h20232.4h20244.4h2025
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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 Maryland customers tracked each year.

Biggest outages in Anne Arundel County, 2015

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

CSVJSON
#Started (UTC)Ended (UTC)DurationPeak outCustomer-hours
1June 7, 2015 02:15June 29, 2015 09:0022d 6h21,967181K
2February 14, 2015 14:00February 18, 2015 07:003d 17h8,14481K
3May 9, 2015 14:15May 16, 2015 04:306d 14h6,55617K
4June 30, 2015 12:00July 7, 2015 01:456d 13h6,52941K
5February 6, 2015 04:30February 7, 2015 05:151d5,79213K
6April 21, 2015 19:00April 24, 2015 18:452d 23h4,84722K
7February 2, 2015 14:30February 3, 2015 09:1518h 45m4,1454,734
8April 13, 2015 12:00April 21, 2015 18:158d 6h3,81814K
9April 7, 2015 10:15April 9, 2015 02:151d 16h3,6343,043
10May 25, 2015 19:00May 31, 2015 19:456d3,51413K

Outage episodes by size in 2015: 84 reached 100+ customers, 31 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 Anne Arundel County reported on EIA Form 861 for 2015, or their most recent earlier filing. Utility-wide figures, not county-specific.

CSVJSON
UtilityEIA yearSAIDISAIFISAIDI excl. major eventsSAIFI excl. major events
Baltimore Gas & Electric Co20151.7 hrs0.931.5 hrs0.89

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 Maryland's customers in 2015; utilities it does not see are not counted.
  • Hours per customer = outage customer-minutes ÷ 253,751 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. Anne Arundel County has data for 2015–2025.

Cite this report

MassOutage (massoutage.com), Anne Arundel County, MD 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/maryland/anne-arundel-county

summary CSVJSONyears CSVJSONmonths CSVJSONevents CSVJSONutilities CSVJSON