County annual report · FIPS 13051
2018 Chatham County, GA Power Outage Report
In 2018, customers in Chatham County, GA went without power for an average of 2.7 hours, a total of 392K customer-hours (Georgia average 4.7 hours). That ranks 106th worst of 157 Georgia counties and 1600th of 2,798 nationally.
Compared with GA, the US and 2017
Coverage line is EAGLE-I's share of Georgia customers tracked each year.
Biggest outages in Chatham 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 | October 9, 2018 05:00 | October 13, 2018 03:15 | 3d 22h | 7,761 | 100K |
| 2 | July 26, 2018 05:00 | August 1, 2018 09:30 | 6d 4h | 5,848 | 34K |
| 3 | June 2, 2018 08:15 | June 4, 2018 06:15 | 1d 22h | 5,705 | 24K |
| 4 | June 7, 2018 06:15 | June 8, 2018 00:45 | 18h 30m | 3,999 | 5,011 |
| 5 | June 27, 2018 06:00 | June 28, 2018 08:30 | 1d 2h | 3,062 | 12K |
| 6 | August 28, 2018 11:00 | August 29, 2018 07:15 | 20h 15m | 3,059 | 2,639 |
| 7 | February 22, 2018 12:30 | February 23, 2018 11:30 | 23h | 2,481 | 1,616 |
| 8 | April 26, 2018 12:30 | April 26, 2018 21:30 | 9h | 2,328 | 1,569 |
| 9 | December 28, 2018 08:00 | December 28, 2018 20:00 | 12h | 2,061 | 2,974 |
| 10 | March 19, 2018 08:30 | March 20, 2018 01:00 | 16h 30m | 2,028 | 3,329 |
Outage episodes by size in 2018: 139 reached 100+ customers, 28 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 Chatham 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 |
|---|---|---|---|---|---|
| Georgia Power Co | 2018 | 3.8 hrs | 1.48 | 2.1 hrs | 1.21 |
| Canoochee 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 2018; utilities it does not see are not counted.
- Hours per customer = outage customer-minutes ÷ 143,708 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. Chatham County has data for 2015–2025.
Cite this report
MassOutage (massoutage.com), Chatham County, GA 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/georgia/chatham-county