Power outages in St. Mary's County, MD

We don't have a live outage feed for the utilities serving St. Mary's County yet. Southern Maryland Elec Coop Inc serves this county.

Right now

No live outage data for St. Mary's County yet.

Southern Maryland Elec Coop Incno live feed
iThis utility doesn't publish outage data we can read automatically, so it isn't in our totals. Its own outage map has its current outages.
Serves this county, per federal utility records
iFrom EIA Form 861, the U.S. Energy Information Administration's yearly survey of every electric utility and the areas it serves.
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Outage map

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County outline

Outage history in St. Mary's County

2014–2025 record

St. Mary's County averaged 31.7 significant outages a year in 2023–2025, more than most Maryland counties.

In the 12 months to December 2025, there were 33. Half were over within 1.5 hours; the longest lasted 22 hours, starting May 16, 2025.

The largest on record began January 3, 2022, with 14,054 customers out at once.

31.7significant outages a year (2023–2025)
iAt least 1% of the area's customers, and at least 100, without power at the same time. Outages less than 6 hours apart count as one.
1.5 hourstypical (median) length
iHalf of significant outages here ended sooner than this, and half lasted longer.
2.3 dayslongest on record (January 2022)
14,054most customers out at once
Largest events (start)Peak outLasted
iHow long this area stayed at or above the significant-outage line, not how long any one home was without power.
Customer-hours
iCustomers out multiplied by hours out, added up over the event. 1,000 customers out for 3 hours is 3,000 customer-hours.
January 3, 202214,0542.3 days238,401
February 29, 202412,0612 hours7,092
March 2, 201811,8522.2 days184,033
May 16, 202511,10922 hours51,151
May 25, 201710,9611 hour7,084

Recorded outages from EAGLE-I, Oak Ridge National Laboratory (CC BY 4.0).

iFrom EAGLE-I, Oak Ridge National Laboratory's record of utility outage data every 15 minutes since 2014 (CC BY 4.0). It covered about 9 in 10 U.S. customers.

Cities in St. Mary's County

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