County annual report · FIPS 24017
2020 Charles County, MD Power Outage Report
In 2020, customers in Charles County, MD went without power for an average of 3.0 hours, a total of 218K customer-hours (Maryland average 2.2 hours). That ranks 10th worst of 24 Maryland counties and 1881st of 3,019 nationally.
Compared with MD, the US and 2019
Coverage line is EAGLE-I's share of Maryland customers tracked each year.
Biggest outages in Charles County, 2020
The 10 outage episodes with the most customers out at once. Times are UTC.
| # | Started (UTC) | Ended (UTC) | Duration | Peak out | Customer-hours |
|---|---|---|---|---|---|
| 1 | July 21, 2020 18:00 | July 23, 2020 09:45 | 1d 15h | 3,370 | 15K |
| 2 | November 2, 2020 02:15 | November 3, 2020 03:45 | 1d 1h | 3,221 | 10K |
| 3 | July 6, 2020 23:15 | July 7, 2020 19:00 | 19h 45m | 2,644 | 14K |
| 4 | August 3, 2020 19:45 | August 6, 2020 01:30 | 2d 5h | 2,197 | 34K |
| 5 | October 8, 2020 07:30 | October 8, 2020 21:00 | 13h 30m | 2,164 | 2,980 |
| 6 | February 7, 2020 12:15 | February 7, 2020 22:00 | 9h 45m | 1,979 | 2,759 |
| 7 | September 24, 2020 02:45 | September 24, 2020 22:30 | 19h 45m | 1,799 | 12K |
| 8 | July 20, 2020 20:45 | July 21, 2020 15:15 | 18h 30m | 1,765 | 11K |
| 9 | August 29, 2020 00:15 | August 30, 2020 10:30 | 1d 10h | 1,590 | 4,531 |
| 10 | May 15, 2020 07:15 | May 15, 2020 07:30 | 15m | 1,484 | 371 |
Outage episodes by size in 2020: 88 reached 100+ customers, 22 reached 1,000+ customers, 0 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 Charles County reported on EIA Form 861 for 2020, 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 |
|---|---|---|---|---|---|
| Southern Maryland Elec Coop Inc | - | - | - | - | - |
About this data
- Outage figures come from DOE/ORNL EAGLE-I, which records customers out by county every 15 minutes. EAGLE-I tracked about 98% of Maryland's customers in 2020; utilities it does not see are not counted.
- Hours per customer = outage customer-minutes ÷ 73,494 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. Charles County has data for 2015–2025.
Cite this report
MassOutage (massoutage.com), Charles County, MD annual power outage report, 2020, 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/). https://massoutage.com/reports/2020/maryland/charles-county