Power Outages in St. Mary's County, MD
No live outage feed is available for St. Mary's County, MD yet — live coverage depends on local utilities reporting to ODIN. In 2025, the average customer here lost power for about 3.9 hours.
St. Mary's County, MD is served by local tracked utilities.
St. Mary's County's utilities do not report live data to ODIN, so real-time outage counts aren't available here. The historical record below is complete.
- Severe Thunderstorm WatchSEVERE
- Heat AdvisoryMODERATE
St. Mary's County has been under 11 National Weather Service alerts recently — most recently a Severe Thunderstorm Watch on July 18, 2026.
- Air Quality Alert ×5
- Heat Advisory ×5
- Severe Thunderstorm Watch ×1
Hardest-hit cities in St. Mary's County
Where this event is concentrated across the county's towns and townships.
Historical reliability
In 2025, the average customer in St. Mary's County went about 3.9 hours without power. Peak simultaneous outage on record reached 20,346 customers.
Worst year here was 2022 (peak 14,054 customers out) · decade average 3.9 hrs without power per customer/yr.
| Year | Outage events | Peak customers out | Avg hrs/customer |
|---|---|---|---|
| 2015 | 838 | 20,346 | 2.5 |
| 2016 | 855 | 3,650 | 1.7 |
| 2017 | 882 | 10,961 | 2.4 |
| 2018 | 886 | 11,852 | 7.1 |
| 2019 | 857 | 6,830 | 2.7 |
| 2020 | 818 | 10,173 | 4.3 |
| 2021 | 882 | 9,252 | 3.4 |
| 2022 | 912 | 14,054 | 7.8 |
| 2023 | 855 | 6,238 | 3.4 |
| 2024 | 888 | 12,061 | 3.3 |
| 2025 | 892 | 11,745 | 3.9 |
Relatively Moderate hurricanes exposure · 3.9 hrs/yr of outages over the last decade.
Power outages in St. Mary's County: FAQ
- How often does St. Mary's County, MD lose power?
- Based on EAGLE-I records, St. Mary's County, MD logged 892 distinct outage events in 2025, averaging about 3.9 hours without power per customer over the year.
- What was the worst power outage in St. Mary's County, MD?
- The largest tracked outage peaked at 20,346 customers without power, beginning September 22, 2015 and lasting about 4h.
- Is there a power outage in St. Mary's County, MD right now?
- No major outage is currently reported for St. Mary's County, MD. Live coverage depends on whether local utilities report to ODIN.
Outages are tracked at the county level; these ZIP codes fall within St. Mary's County.
20606, 20609, 20618, 20619, 20620, 20621, 20624, 20626, 20628, 20630, 20634, 20636, 20650, 20653, 20656, 20659, 20660, 20667, 20670, 20674, 20680, 20684, 20686, 20687, 20690, 20692
Machine-readable data: /api/v1/counties/24037 and /api/v1/counties/24037/history. Historical figures derive from the DOE/ORNL EAGLE-I dataset (EAGLE-I tracked roughly 0% of Maryland customers).