County annual report · FIPS 47189
2018 Wilson County, TN Power Outage Report
In 2018, customers in Wilson County, TN went without power for an average of 1.1 hours, a total of 72K customer-hours (Tennessee average 2.1 hours). That ranks 33rd worst of 71 Tennessee counties and 2285th of 2,798 nationally.
Compared with TN, the US and 2017
Coverage line is EAGLE-I's share of Tennessee customers tracked each year.
Biggest outages in Wilson 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 | January 4, 2018 21:15 | January 4, 2018 23:45 | 2h 30m | 5,256 | 2,173 |
| 2 | November 22, 2018 13:45 | November 22, 2018 15:30 | 1h 45m | 5,245 | 3,658 |
| 3 | September 24, 2018 05:00 | September 24, 2018 07:15 | 2h 15m | 5,227 | 2,616 |
| 4 | September 3, 2018 05:45 | September 3, 2018 14:30 | 8h 45m | 4,549 | 3,428 |
| 5 | September 25, 2018 16:15 | September 25, 2018 17:15 | 1h | 3,642 | 912 |
| 6 | January 10, 2018 03:45 | January 10, 2018 05:45 | 2h | 2,976 | 3,744 |
| 7 | September 27, 2018 23:30 | September 28, 2018 02:30 | 3h | 2,934 | 1,475 |
| 8 | July 22, 2018 07:45 | July 22, 2018 10:45 | 3h | 2,930 | 1,481 |
| 9 | June 13, 2018 05:15 | June 13, 2018 21:45 | 16h 30m | 2,482 | 2,406 |
| 10 | November 7, 2018 14:00 | November 7, 2018 21:00 | 7h | 2,343 | 1,778 |
Outage episodes by size in 2018: 63 reached 100+ customers, 21 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 Wilson 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 |
|---|---|---|---|---|---|
| Nashville Electric Service | 2018 | 1.8 hrs | 1.56 | 1.8 hrs | 1.56 |
| Middle Tennessee E M C | - | - | - | - | - |
About this data
- Outage figures come from DOE/ORNL EAGLE-I, which records customers out by county every 15 minutes. EAGLE-I tracked about 55% of Tennessee's customers in 2018; utilities it does not see are not counted.
- Hours per customer = outage customer-minutes ÷ 67,214 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. Wilson County has data for 2015–2025.
Cite this report
MassOutage (massoutage.com), Wilson County, TN 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/tennessee/wilson-county