massoutage

County annual report · FIPS 24003

2017 Anne Arundel County, MD Power Outage Report

In 2017, customers in Anne Arundel County, MD went without power for an average of 1.6 hours, a total of 416K customer-hours (Maryland average 1.9 hours). That ranks 15th worst of 24 Maryland counties and 1769th of 2,786 nationally.

Summary data CSVJSON
Avg hrs / customer
1.6
253,751 customers
Customer-hours out
416K
Peak customers out
7,529
Outages ≥1,000 out
37
0 of 10,000+ · 358 total
Longest outage
12d 18h
began July 9, 2017
Rank in state
15th/24
1769th of 2,786 US

Compared with MD, the US and 2016

Anne Arundel County, MD average hours without power per customer compared with state and national averages, 2017Anne Arundel County 1.6 hours, Maryland average 1.9 hours, US average 7.4 hours, Anne Arundel County, 2016 2.1 hoursAnne Arundel CountyAnne Arundel County1.6hMaryland averageMaryland average1.9hUS averageUS average7.4hAnne Arundel County, 2016Anne Arundel County,…2.1h
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Average hours without power per customer in 2017; last bar is this county in 2016.

Month by month

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Anne Arundel County, MD customer-hours without power by month, 2017Jan 12K, Feb 14K, Mar 98K, Apr 25K, May 31K, Jun 25K, Jul 60K, Aug 73K, Sep 15K, Oct 35K, Nov 23K, Dec 6,321025k50k75k100k12KJan14KFeb98KMar25KApr31KMay25KJun60KJul73KAug15KSep35KOct23KNov6,321Dec
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Customer-hours; March 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, 2017

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

CSVJSON
#Started (UTC)Ended (UTC)DurationPeak outCustomer-hours
1March 12, 2017 15:00March 18, 2017 06:455d 15h7,52972K
2March 1, 2017 12:30March 4, 2017 20:003d 7h6,76621K
3June 30, 2017 11:15July 4, 2017 18:304d 7h4,63911K
4October 16, 2017 09:30October 17, 2017 02:3017h4,0157,534
5November 1, 2017 01:45November 1, 2017 18:0016h 15m3,83410K
6August 2, 2017 08:30August 9, 2017 06:306d 22h3,81823K
7August 11, 2017 10:00August 14, 2017 14:003d 4h3,35719K
8June 28, 2017 23:45June 30, 2017 03:001d 3h3,2653,241
9August 14, 2017 17:45August 26, 2017 12:3011d 18h2,88021K
10February 24, 2017 20:45February 26, 2017 12:451d 16h2,4944,289

Outage episodes by size in 2017: 107 reached 100+ customers, 37 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 Anne Arundel County reported on EIA Form 861 for 2017, or their most recent earlier filing. Utility-wide figures, not county-specific.

CSVJSON
UtilityEIA yearSAIDISAIFISAIDI excl. major eventsSAIFI excl. major events
Baltimore Gas & Electric Co20171.6 hrs0.8374 min0.72

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 2017; 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, 2017, 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/2017/maryland/anne-arundel-county

summary CSVJSONyears CSVJSONmonths CSVJSONevents CSVJSONutilities CSVJSON