Power outages in Manchester, MD
Live outages for Manchester and the surrounding area, updated every 10 minutes. Manchester has 5,426 residents.
Right now
No live outage data for Manchester yet.
Outage map
ManchesterCarroll CountyPotomac Edison publishes totals only, not outage locations.
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Some utilities publish only how many customers are out, not where. Their outages are in the counts but can't be drawn on the map.Outage history in Carroll County, which includes Manchester
2014–2025 recordCarroll County averaged 21.3 significant outages a year in 2023–2025, about typical for Maryland counties.
In the 12 months to December 2025, there were 22. Half were over within 2.5 hours; the longest lasted 1.7 days, starting February 16, 2025.
The largest on record began August 7, 2023, with 43,380 customers out at once.
21.3significant outages a year (2023–2025)
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At 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
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Half of significant outages here ended sooner than this, and half lasted longer.4.1 dayslongest on record (July 2022)
43,380most customers out at once
| Largest events (start) | Peak out | LastediHow long this area stayed at or above the significant-outage line, not how long any one home was without power. | Customer-hoursiCustomers out multiplied by hours out, added up over the event. 1,000 customers out for 3 hours is 3,000 customer-hours. |
|---|---|---|---|
| August 7, 2023 | 43,380 | 3.9 days | 962,261 |
| July 12, 2022 | 29,736 | 4.1 days | 652,660 |
| February 16, 2025 | 11,791 | 1.7 days | 114,525 |
| April 13, 2023 | 9,943 | 15 minutes | 2,486 |
| March 2, 2018 | 6,077 | 2.7 days | 109,079 |
Recorded outages from EAGLE-I, Oak Ridge National Laboratory (CC BY 4.0).i
From 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.
If your power is out
Report it to your utility
- Potomac Edison: outage map and reporting
- Stay at least 35 feet from downed power lines and report them right away.
Food safety
- 0–4 hKeep the fridge closed. It keeps food cold for about 4 hours.
- 4 h+Throw out meat, dairy and leftovers that have been above 40°F for more than 2 hours.
- 24 hA half-full freezer holds about 24 hours if kept closed.
- 48 hA full freezer holds about 48 hours.
Generators, heat and cold
- Run generators outside only, at least 20 feet from windows and doors. Never in a garage.
- Use a battery-powered carbon monoxide alarm.
- Never heat your home with a gas stove or oven.