County annual report · FIPS 28029
2018 Copiah County, MS Power Outage Report
In 2018, customers in Copiah County, MS went without power for an average of 5.1 hours, a total of 91K customer-hours (Mississippi average 3.0 hours). That ranks 22nd worst of 76 Mississippi counties and 1024th of 2,798 nationally.
Compared with MS, the US and 2017
Coverage line is EAGLE-I's share of Mississippi customers tracked each year.
Biggest outages in Copiah County, 2018
The 10 outage episodes with the most customers out at once. Times are UTC.
| # | Started (UTC) | Ended (UTC) | Duration | Peak out | Customer-hours |
|---|---|---|---|---|---|
| 1 | November 1, 2018 08:15 | November 2, 2018 03:45 | 19h 30m | 1,814 | 11K |
| 2 | August 7, 2018 23:45 | August 8, 2018 14:30 | 14h 45m | 1,667 | 1,888 |
| 3 | May 26, 2018 01:00 | May 26, 2018 12:45 | 11h 45m | 1,577 | 8,017 |
| 4 | August 29, 2018 21:15 | August 30, 2018 23:45 | 1d 2h | 1,262 | 3,078 |
| 5 | July 31, 2018 23:15 | August 1, 2018 01:00 | 1h 45m | 1,138 | 1,424 |
| 6 | October 14, 2018 16:15 | October 15, 2018 00:15 | 8h | 993 | 1,089 |
| 7 | October 2, 2018 00:30 | October 2, 2018 08:30 | 8h | 900 | 1,900 |
| 8 | October 3, 2018 18:15 | October 3, 2018 21:15 | 3h | 852 | 832 |
| 9 | June 18, 2018 18:45 | June 19, 2018 01:00 | 6h 15m | 811 | 1,176 |
| 10 | November 6, 2018 00:00 | November 6, 2018 01:30 | 1h 30m | 724 | 905 |
Outage episodes by size in 2018: 74 reached 100+ customers, 5 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 Copiah County reported on EIA Form 861 for 2018, 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 |
|---|---|---|---|---|---|
| Entergy Mississippi LLC | 2018 | 5.3 hrs | 1.81 | 4.2 hrs | 1.64 |
| Southwest Mississippi E P A | 2018 | 25.2 hrs | - | 22.9 hrs | - |
| Southern Pine Electric Cooperative | - | - | - | - | - |
About this data
- Outage figures come from DOE/ORNL EAGLE-I, which records customers out by county every 15 minutes. EAGLE-I tracked about 66% of Mississippi's customers in 2018; utilities it does not see are not counted.
- Hours per customer = outage customer-minutes ÷ 17,728 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. Copiah County has data for 2015–2025.
Cite this report
MassOutage (massoutage.com), Copiah County, MS annual power outage report, 2018, 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/2018/mississippi/copiah-county