massoutage

County annual report · FIPS 24005

2019 Baltimore County, MD Power Outage Report

In 2019, customers in Baltimore County, MD went without power for an average of 2.4 hours, a total of 902K customer-hours (Maryland average 2.6 hours). That ranks 10th worst of 24 Maryland counties and 1867th of 2,945 nationally.

Summary data CSVJSON
Avg hrs / customer
2.4
370,224 customers
Customer-hours out
902K
Peak customers out
16,929
Outages ≥1,000 out
32
4 of 10,000+ · 198 total
Longest outage
27d 16h
began October 16, 2019
Rank in state
10th/24
1867th of 2,945 US

Compared with MD, the US and 2018

Baltimore County, MD average hours without power per customer compared with state and national averages, 2019Baltimore County 2.4 hours, Maryland average 2.6 hours, US average 4.7 hours, Baltimore County, 2018 6.3 hoursBaltimore CountyBaltimore County2.4hMaryland averageMaryland average2.6hUS averageUS average4.7hBaltimore County, 2018Baltimore County, 20…6.3h
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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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Baltimore County, MD customer-hours without power by month, 2019Jan 31K, Feb 78K, Mar 29K, Apr 41K, May 114K, Jun 64K, Jul 311K, Aug 69K, Sep 25K, Oct 44K, Nov 79K, Dec 16K0100k200k300k400k31KJan78KFeb29KMar41KApr114KMay64KJun311KJul69KAug25KSep44KOct79KNov16KDec
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Customer-hours; July was the worst month.

Baltimore County year over year

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Baltimore County, MD: average hours without power per customer by year2015: 1.7h; 2016: 1.8h; 2017: 2.0h; 2018: 6.3h, coverage 98%; 2019: 2.4h, coverage 97%; 2020: 1.7h, coverage 98%; 2021: 2.8h, coverage 99%; 2022: 7.8h, coverage 99%; 2023: 4.6h; 2024: 3.3h; 2025: 5.5h024680%50%100%1.7h20151.8h20162.0h20176.3h20182.4h20191.7h20202.8h20217.8h20224.6h20233.3h20245.5h2025
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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 Baltimore County, 2019

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

CSVJSON
#Started (UTC)Ended (UTC)DurationPeak outCustomer-hours
1July 17, 2019 06:45July 18, 2019 01:3018h 45m16,92943K
2July 27, 2019 19:00August 15, 2019 07:3018d 12h12,68672K
3July 18, 2019 02:15July 27, 2019 18:159d 16h11,787195K
4May 28, 2019 08:00June 12, 2019 06:3014d 22h10,74498K
5July 9, 2019 09:30July 14, 2019 17:155d 7h4,96124K
6March 20, 2019 12:00March 24, 2019 06:003d 18h4,37014K
7April 25, 2019 10:15May 1, 2019 20:006d 9h4,19619K
8February 12, 2019 08:15February 15, 2019 00:302d 16h4,13628K
9October 16, 2019 11:15November 13, 2019 04:0027d 16h3,86291K
10March 11, 2019 12:00March 12, 2019 03:4515h 45m3,5442,180

Outage episodes by size in 2019: 98 reached 100+ customers, 32 reached 1,000+ customers, 4 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 Baltimore County reported on EIA Form 861 for 2019, or their most recent earlier filing. Utility-wide figures, not county-specific.

CSVJSON
UtilityEIA yearSAIDISAIFISAIDI excl. major eventsSAIFI excl. major events
Baltimore Gas & Electric Co20187.2 hrs1.321.6 hrs0.95

About this data

  • Outage figures come from DOE/ORNL EAGLE-I, which records customers out by county every 15 minutes. EAGLE-I tracked about 97% of Maryland's customers in 2019; utilities it does not see are not counted.
  • Hours per customer = outage customer-minutes ÷ 370,224 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. Baltimore County has data for 2015–2025.

Cite this report

MassOutage (massoutage.com), Baltimore County, MD 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/maryland/baltimore-county

summary CSVJSONyears CSVJSONmonths CSVJSONevents CSVJSONutilities CSVJSON