Power Outages in Montgomery County, MD
As of July 18, 2026 18:54 UTC, about 1 customers are without power in Montgomery County, MD across 1 reported incident. In 2025, the average customer here lost power for about 2.9 hours.
Montgomery County, MD is served by 1 tracked utility.
- Tornado WatchEXTREME
- Flood WatchSEVERE
- Severe Thunderstorm WarningSEVERE
- Air Quality AlertUNKNOWN
Montgomery County has been under 752 National Weather Service alerts recently — most recently a Test Message on July 18, 2026.
- Test Message ×729
- Air Quality Alert ×12
- Heat Advisory ×5
- Tornado Warning ×3
- Severe Thunderstorm Warning ×1
- Flood Watch ×1
Latest Montgomery County, MD outage updates
A running log of how this outage has changed — updated automatically as utilities report in.
- RESOLVED
Power restored after 4h 1m
- GREW
Outage grew to 1,515 customers out (0.4% of the county)
- IMPROVING
Improving — down to 639 customers out
- OUTAGE BEGAN
Outage began — 2,920 customers out (0.7% of the county)
- RESOLVED
Power restored after 2h 22m
- IMPROVING
Improving — down to 639 customers out
- OUTAGE BEGAN
Outage began — 1,515 customers out (0.4% of the county)
Hardest-hit cities in Montgomery County
Where this event is concentrated across the county's towns and townships.
Live outage counts are tracked at the county level; a city-by-city split within Montgomery Countyisn't available yet.
Historical reliability
In 2025, the average customer in Montgomery County went about 2.9 hours without power. Peak simultaneous outage on record reached 120,582 customers.
Worst year here was 2018 (peak 108,677 customers out) · decade average 2.5 hrs without power per customer/yr.
| Year | Outage events | Peak customers out | Avg hrs/customer |
|---|---|---|---|
| 2015 | 613 | 20,436 | 1.8 |
| 2016 | 678 | 28,861 | 2.1 |
| 2017 | 828 | 7,948 | 1.3 |
| 2018 | 681 | 108,677 | 6.2 |
| 2019 | 686 | 23,950 | 1.8 |
| 2020 | 760 | 10,872 | 1.3 |
| 2021 | 649 | 42,080 | 1.9 |
| 2022 | 645 | 120,582 | 4.2 |
| 2023 | 681 | 55,999 | 2.9 |
| 2024 | 549 | 15,801 | 1.6 |
| 2025 | 536 | 29,030 | 2.9 |
Very High winter weather exposure · 2.5 hrs/yr of outages over the last decade.
Power outages in Montgomery County: FAQ
- How often does Montgomery County, MD lose power?
- Based on EAGLE-I records, Montgomery County, MD logged 536 distinct outage events in 2025, averaging about 2.9 hours without power per customer over the year.
- What was the worst power outage in Montgomery County, MD?
- The largest tracked outage peaked at 120,582 customers without power, beginning November 27, 2022 and lasting about 2d 2h.
- Is there a power outage in Montgomery County, MD right now?
- Yes — about 1 customers are currently without power across 1 reported incident(s).
- Which utilities serve Montgomery County, MD?
- Tracked electric providers include THE POTOMAC EDISON COMPANY.
Gaithersburg, Rockville. Outage counts for these communities are reported at the Montgomery County level shown above.
Outages are tracked at the county level; these ZIP codes fall within Montgomery County (showing 40 of 48).
20812, 20814, 20815, 20816, 20817, 20818, 20832, 20833, 20837, 20838, 20839, 20841, 20842, 20850, 20851, 20852, 20853, 20854, 20855, 20860, 20861, 20862, 20866, 20868, 20871, 20872, 20874, 20876, 20877, 20878, 20879, 20880, 20882, 20886, 20889, 20892, 20894, 20895, 20896, 20899
Electric providers serving this county
From EIA-861 service territory, with official reliability where reported.
| Provider | Official SAIDI (EIA) | Live | Report outage |
|---|---|---|---|
| THE POTOMAC EDISON COMPANY | — | ODIN ✓ | — |
Machine-readable data: /api/v1/counties/24031 and /api/v1/counties/24031/history. Historical figures derive from the DOE/ORNL EAGLE-I dataset (EAGLE-I tracked roughly 0% of Maryland customers). Live data as of .