County annual report · FIPS 13261
2023 Sumter County, GA Power Outage Report
In 2023, customers in Sumter County, GA went without power for an average of 7.4 hours, a total of 103K customer-hours (Georgia average 6.6 hours). That ranks 73rd worst of 159 Georgia counties and 1103rd of 2,977 nationally.
Compared with GA, the US and 2022
Coverage line is EAGLE-I's share of Georgia customers tracked each year.
Biggest outages in Sumter County, 2023
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 22, 2023 02:45 | July 23, 2023 04:30 | 1d 1h | 2,249 | 20K |
| 2 | June 26, 2023 01:30 | June 27, 2023 18:45 | 1d 17h | 1,585 | 11K |
| 3 | June 15, 2023 09:45 | June 16, 2023 14:45 | 1d 5h | 1,395 | 4,074 |
| 4 | August 8, 2023 18:00 | August 10, 2023 03:00 | 1d 9h | 1,212 | 5,172 |
| 5 | June 9, 2023 00:00 | June 9, 2023 02:00 | 2h | 1,192 | 679 |
| 6 | May 16, 2023 20:30 | May 17, 2023 13:45 | 17h 15m | 931 | 3,249 |
| 7 | May 17, 2023 22:30 | May 18, 2023 06:30 | 8h | 873 | 2,008 |
| 8 | July 30, 2023 20:00 | July 31, 2023 22:15 | 1d 2h | 855 | 4,653 |
| 9 | July 1, 2023 20:30 | July 2, 2023 17:00 | 20h 30m | 663 | 651 |
| 10 | November 22, 2023 16:45 | November 22, 2023 18:30 | 1h 45m | 615 | 326 |
Outage episodes by size in 2023: 55 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 Sumter County reported on EIA Form 861 for 2023, 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 |
|---|---|---|---|---|---|
| Georgia Power Co | 2023 | 6.1 hrs | 1.75 | 2.3 hrs | 1.24 |
| Flint Electric Membership Corp | 2023 | 2.4 hrs | 1.43 | 1.7 hrs | 1.22 |
| Sumter Electric Member Corp | 2023 | 5.9 hrs | - | 2.5 hrs | - |
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 Georgia's customers in 2023; utilities it does not see are not counted.
- Hours per customer = outage customer-minutes ÷ 13,979 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. Sumter County has data for 2015–2025.
Cite this report
MassOutage (massoutage.com), Sumter County, GA annual power outage report, 2023, 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/2023/georgia/sumter-county