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Southern Maryland Elec Coop Inc: power outages per year

In 2025 the average Southern Maryland Elec Coop Inc customer was without power for 2.9 hours, close to the Maryland average of 3.1 h; up from 2.4 h in 2024. The utility served 180,658 customers in Maryland and ranks #3 of 5 large Maryland utilities by outage hours.

Hours / customer
2.9h
Without major events
2.0h
Interruptions
1.6
Average outage
1.8h

By year

YearHours (with major events)Hours (without)InterruptionsCustomers
20252.92.01.6180,658
20242.41.91.3177,329
20233.41.71.3174,909
20228.21.92.0171,858
20212.72.01.6169,190
20203.72.51.6168,062

"With major events" includes storm days that utilities may exclude from their own reliability targets; it is what customers actually live through. The gap between the two columns shows how much of the year's outage time came from big storms.

Backup power for Southern Maryland Elec Coop Inc outages

An average outage here lasted about 1.8 hours in 2025. Size backup for the longest outage you want to ride through, not the average.

Size backup for a 2-hour outage →Power stations for a fridgeStandby generators

Other large utilities in Maryland

The Potomac Edison Company 6.7 hBaltimore Gas & Electric Co 2.9 hDelmarva Power 1.9 hPotomac Electric Power Co 1.7 h

FAQ

How many hours a year are Southern Maryland Elec Coop Inc customers without power?

2.9 hours per customer in 2025 including major event days (2.0 h without them), as Southern Maryland Elec Coop Inc reported to the U.S. EIA.

How long does a typical Southern Maryland Elec Coop Inc outage last?

About 1.8 hours on average in 2025 (total outage minutes divided by the number of interruptions). Storms make single events much longer.

Source: U.S. EIA Form 861, Reliability file, 2020–2025. Data snapshot . Utilities ranked nationwide →