County annual report · FIPS 13267
2021 Tattnall County, GA Power Outage Report
In 2021, customers in Tattnall County, GA went without power for an average of 4.9 hours, a total of 38K customer-hours (Georgia average 2.4 hours). That ranks 33rd worst of 159 Georgia counties and 1352nd of 2,974 nationally.
Compared with GA, the US and 2020
Coverage line is EAGLE-I's share of Georgia customers tracked each year.
Biggest outages in Tattnall County, 2021
The 10 outage episodes with the most customers out at once. Times are UTC.
| # | Started (UTC) | Ended (UTC) | Duration | Peak out | Customer-hours |
|---|---|---|---|---|---|
| 1 | September 9, 2021 09:45 | September 9, 2021 12:45 | 3h | 1,711 | 2,280 |
| 2 | March 17, 2021 17:00 | March 17, 2021 23:00 | 6h | 861 | 1,788 |
| 3 | May 19, 2021 13:00 | May 19, 2021 15:15 | 2h 15m | 772 | 401 |
| 4 | July 7, 2021 22:15 | July 8, 2021 17:45 | 19h 30m | 752 | 2,148 |
| 5 | March 31, 2021 23:15 | April 1, 2021 17:45 | 18h 30m | 737 | 1,657 |
| 6 | November 19, 2021 13:15 | December 2, 2021 04:00 | 12d 14h | 717 | 1,382 |
| 7 | July 21, 2021 03:30 | July 21, 2021 06:15 | 2h 45m | 654 | 1,791 |
| 8 | June 17, 2021 10:45 | June 25, 2021 00:00 | 7d 13h | 512 | 2,453 |
| 9 | August 30, 2021 13:30 | September 3, 2021 03:30 | 3d 14h | 459 | 1,432 |
| 10 | January 26, 2021 22:30 | January 26, 2021 23:45 | 1h 15m | 419 | 316 |
Outage episodes by size in 2021: 39 reached 100+ customers, 1 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 Tattnall County reported on EIA Form 861 for 2021, 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 | 2021 | 2.4 hrs | 1.28 | 2.4 hrs | 1.25 |
| Altamaha Electric Member Corp | 2021 | 2.9 hrs | 1.71 | 2.7 hrs | 1.68 |
| Satilla Rural Elec Member Corporation | - | - | - | - | - |
| Canoochee Electric Member Corp | - | - | - | - | - |
| Excelsior Electric Member Corp | - | - | - | - | - |
About this data
- Outage figures come from DOE/ORNL EAGLE-I, which records customers out by county every 15 minutes. EAGLE-I tracked about 90% of Georgia's customers in 2021; utilities it does not see are not counted.
- Hours per customer = outage customer-minutes ÷ 7,806 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. Tattnall County has data for 2015–2025.
Cite this report
MassOutage (massoutage.com), Tattnall County, GA annual power outage report, 2021, 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/2021/georgia/tattnall-county