Sullivan County, TN Power Outages
Utilities serving Sullivan County, Tennessee don't yet share live outage data with DOE's ODIN feed. Check your electric company's outage map (listed below) for real-time status.
Sullivan County on the Tennessee outage map
- Normal
- Minor
- Moderate
- Major
- Severe
- Limited data
Current outages
Weather alerts
No active outage-relevant weather alerts from the National Weather Service.
Sullivan County power outage history
Every significant outage recorded in Sullivan County since late 2014, with likely causes from NOAA storm reports
Since late 2014, DOE's EAGLE-I monitoring system has recorded 250 significant power outages in Sullivan County, meaning events that left at least 1% of customers in the dark. The largest (Sep 25 – Oct 2, 2024) came when severe thunderstorms left 21,584 customers (31.1% of the county) without power.
From 2018 to 2025, the average customer here lost about 5 hr 55 min of power per year, close to the Tennessee average of 5 hr 20 min. That ranks 27th of 88 Tennessee counties for outage time, where 1st has the most.
September is the riskiest month: it accounted for 26% of all customer outage time from 2018 to 2025. On 18 days in that period, at least 5% of customers were out at the same time. Outage time in Sullivan County has risen recently: about 7 hr 2 min per customer per year in 2022–2025, versus 4 hr 48 min in 2018–2021.
The most recent significant outage on record (Dec 19, 2025) affected 4,026 customers (5.8%) amid severe thunderstorms.
Worst outages on record
| # | When | Peak customers out | Days | Likely cause (NOAA) |
|---|---|---|---|---|
| 1 | Sep 25 – Oct 2, 2024 | 21,584(31.1%) | 8 | Severe thunderstorms |
| 2 | Jan 3–4, 2023 | 15,053(21.7%) | 2 | Severe thunderstorms |
| 3 | Jul 29–31, 2023 | 12,565(18.1%) | 3 | Severe thunderstorms |
| 4 | Jul 21–22, 2018 | 12,117(17.5%) | 2 | Severe thunderstorms |
| 5 | Dec 9–12, 2018 | 7,445(10.7%) | 4 | Winter storm |
Hours without power per customer, by year
When outages happen
Source: DOE/ORNL EAGLE-I recorded electricity outages, 2014–2025 (CC BY 4.0), with likely causes from the NOAA NCEI Storm Events Database. EAGLE-I coverage was partial before 2018, so averages use 2018–2025. Peak counts are the highest number of customers out at one time.
Who provides electricity in Sullivan County?
Electric companies with service territory in Sullivan County (EIA-861, 2025)
| Utility | Type | Customers (TN) | Avg. outage time / yr | Live data |
|---|---|---|---|---|
| Johnson City - (TN) | Municipal | 84,883 | Not reporting | |
| Kingsport Power Co | Investor Owned | 49,694 | Not reporting | |
| City of Bristol - (TN) | Municipal | 34,999 | Not reporting | |
| City of Elizabethton - (TN) | Municipal | 27,115 | Not reporting |
Customer counts are each utility's statewide total in Tennessee. Source: U.S. Energy Information Administration, Form EIA-861 & Electric Power Annual.
Local outage news
No Sullivan County outage headlines in the past week.
Cities in Sullivan County
Kingsport, Bristol
Nearby counties
Sullivan County power outage FAQ
Is the power out in Sullivan County right now?
No outages are currently reported for Sullivan County by participating utilities. Live coverage is limited here, so If your power is out, report it to your electric company.
Which electric company serves Sullivan County?
According to EIA-861 service territory data, Johnson City - (TN), Kingsport Power Co, City of Bristol - (TN), City of Elizabethton - (TN) provide electric service in Sullivan County, Tennessee.
What was the worst power outage in Sullivan County?
The largest outage recorded by DOE's EAGLE-I system since 2014 was Sep 25 – Oct 2, 2024. It peaked at 21,584 customers without power (31.1% of the county). NOAA storm reports for that period point to severe thunderstorms.
How often does the power go out in Sullivan County?
EAGLE-I has recorded 250 significant outages here since late 2014. From 2018 to 2025 the average customer lost about 5 hr 55 min of power per year, and on 18 days at least 5% of customers were out at once.
Cite this page
You may reuse our derived data under CC BY 4.0 with attribution. Underlying government data is public domain.
PowerOutageTracker.com. "Sullivan County, TN Power Outages." Accessed November 3, 2026. https://poweroutagetracker.com/outages/tennessee/sullivan-county