County annual report · FIPS 24003
2025 Anne Arundel County, MD Power Outage Report
In 2025, customers in Anne Arundel County, MD went without power for an average of 4.4 hours, a total of 1.1M customer-hours (Maryland average 4.2 hours). That ranks 9th worst of 24 Maryland counties and 1647th of 3,000 nationally.
Compared with MD, the US and 2024
Coverage line is EAGLE-I's share of Maryland customers tracked each year.
Biggest outages in Anne Arundel County, 2025
The 10 outage episodes with the most customers out at once. Times are UTC.
| # | Started (UTC) | Ended (UTC) | Duration | Peak out | Customer-hours |
|---|---|---|---|---|---|
| 1 | May 26, 2025 21:15 | November 25, 2025 12:00 | 182d 14h | 33,137 | 577K |
| 2 | February 12, 2025 11:00 | February 21, 2025 07:45 | 8d 20h | 26,143 | 337K |
| 3 | May 1, 2025 10:30 | May 13, 2025 08:45 | 11d 22h | 4,897 | 10K |
| 4 | May 13, 2025 11:30 | May 26, 2025 15:45 | 13d 4h | 4,863 | 75K |
| 5 | December 28, 2025 20:15 | January 1, 2026 00:00 | 3d 3h | 3,499 | 21K |
| 6 | December 13, 2025 12:45 | December 18, 2025 11:15 | 4d 22h | 2,093 | 8,286 |
| 7 | March 5, 2025 12:00 | March 10, 2025 10:45 | 4d 22h | 1,922 | 10K |
| 8 | March 20, 2025 10:00 | March 20, 2025 20:30 | 10h 30m | 1,101 | 1,597 |
| 9 | March 20, 2025 23:30 | March 23, 2025 08:15 | 2d 8h | 1,009 | 2,615 |
| 10 | December 18, 2025 12:15 | December 22, 2025 02:45 | 3d 14h | 1,001 | 9,527 |
Outage episodes by size in 2025: 49 reached 100+ customers, 10 reached 1,000+ customers, 2 reached 10,000+ customers.
Utility reliability filed with the EIA
SAIDI (average outage time per customer) and SAIFI (average interruptions per customer) that utilities serving Anne Arundel County reported on EIA Form 861 for 2025, or their most recent earlier filing. Utility-wide figures, not county-specific.
| Utility | EIA year | SAIDI | SAIFI | SAIDI excl. major events | SAIFI excl. major events |
|---|---|---|---|---|---|
| Baltimore Gas & Electric Co | 2024 | 2.2 hrs | 0.80 | 67 min | 0.63 |
About this data
- Outage figures come from DOE/ORNL EAGLE-I, which records customers out by county every 15 minutes. EAGLE-I tracked about n/a of Maryland's customers in 2025; utilities it does not see are not counted.
- Hours per customer = outage customer-minutes ÷ 253,751 customers (ORNL modeled county customer count), including major storm days. It is comparable across counties but is not the SAIDI a utility files.
- An outage event is a continuous stretch with customers out; counts at 100, 1,000 and 10,000+ use its peak.
- Years loaded: 2015–2025. Anne Arundel County has data for 2015–2025.
Cite this report
MassOutage (massoutage.com), Anne Arundel County, MD annual power outage report, 2025, data as of Oct 3, 2026 02:41 UTC, sources: DOE EAGLE-I (https://eagle-i.doe.gov/); EAGLE-I modeled customer counts (MCC) (https://figshare.com/); EIA Form 861 (utility reliability) (https://www.eia.gov/electricity/data/eia861/). https://massoutage.com/reports/2025/maryland/anne-arundel-county