Power Outages in Williamson County, TN
As of the latest utility report, no major power outages are reported in Williamson County, TN. In 2025, the average customer here lost power for about 1.1 hours.
Williamson County, TN is served by 2 tracked utilities.
No active power outages are currently reported in Williamson County.
No active NWS alerts for Williamson County right now.
Williamson County has been under 5 National Weather Service alerts recently — most recently a Special Weather Statement on July 17, 2026.
- Flood Watch ×3
- Flash Flood Warning ×1
- Special Weather Statement ×1
Latest Williamson County, TN outage updates
A running log of how this outage has changed — updated automatically as utilities report in.
- RESOLVED
Power restored after 44m
- OUTAGE BEGAN
Outage began — 1,408 customers out
Hardest-hit cities in Williamson County
Where this event is concentrated across the county's towns and townships.
- Franklinno active outage
- Spring Hillno active outage
- Brentwoodno active outage
Historical reliability
In 2025, the average customer in Williamson County went about 1.1 hours without power. Peak simultaneous outage on record reached 12,540 customers.
Worst year here was 2022 (peak 10,189 customers out) · decade average 1.2 hrs without power per customer/yr.
| Year | Outage events | Peak customers out | Avg hrs/customer |
|---|---|---|---|
| 2015 | 633 | 5,413 | 0.5 |
| 2016 | 869 | 8,545 | 1.0 |
| 2017 | 674 | 7,565 | 0.6 |
| 2018 | 900 | 6,761 | 0.8 |
| 2019 | 694 | 7,721 | 1.3 |
| 2020 | 887 | 12,540 | 2.0 |
| 2021 | 942 | 5,388 | 1.1 |
| 2022 | 906 | 10,189 | 2.2 |
| 2023 | 864 | 11,340 | 1.6 |
| 2024 | 913 | 6,497 | 1.1 |
| 2025 | 882 | 10,700 | 1.1 |
Relatively High ice storms exposure · 1.2 hrs/yr of outages over the last decade.
Power outages in Williamson County: FAQ
- How often does Williamson County, TN lose power?
- Based on EAGLE-I records, Williamson County, TN logged 882 distinct outage events in 2025, averaging about 1.1 hours without power per customer over the year.
- What was the worst power outage in Williamson County, TN?
- The largest tracked outage peaked at 12,540 customers without power, beginning May 3, 2020 and lasting about 5d 14h.
- Is there a power outage in Williamson County, TN right now?
- No major outage is currently reported for Williamson County, TN. Live coverage depends on whether local utilities report to ODIN.
- Which utilities serve Williamson County, TN?
- Tracked electric providers include MIDDLE TENNESSEE E M C, NASHVILLE ELECTRIC SERVICE.
Franklin, Spring Hill, Brentwood. Outage counts for these communities are reported at the Williamson County level shown above.
Outages are tracked at the county level; these ZIP codes fall within Williamson County.
37014, 37027, 37046, 37062, 37064, 37067, 37069, 37135, 37179, 38476
Electric providers serving this county
From EIA-861 service territory, with official reliability where reported.
| Provider | Official SAIDI (EIA) | Live | Report outage |
|---|---|---|---|
| MIDDLE TENNESSEE E M C | — | ODIN ✓ | — |
| NASHVILLE ELECTRIC SERVICE | — | ODIN ✓ | — |
Machine-readable data: /api/v1/counties/47187 and /api/v1/counties/47187/history. Historical figures derive from the DOE/ORNL EAGLE-I dataset (EAGLE-I tracked roughly 0% of Tennessee customers).