massoutage

Power Outages in Sullivan County, TN

Is there a power outage in Sullivan County, TN right now? Yes. As of October 19, 2026 14:56 UTC, about 15 customers are without power in Sullivan County, TN across 5 reported incidents. There is no live feed for Appalachian Power Co, so outages in their service area aren't counted.

Sullivan County, TN is served by 5 tracked utilities. In 2025, the average customer here lost power for about 2.7 hours.

Cite this data
URL
https://massoutage.com/tennessee/sullivan-county
As of
October 19, 2026 14:56 UTC
Publisher
MassOutage

MassOutage, "Power Outages in Sullivan County, TN", live data as of October 19, 2026 14:56 UTC. https://massoutage.com/tennessee/sullivan-county

Alert me
Sullivan County, TN
Loading map…
This county Loading live outagesout
Scattered outages

15 customers without power

0.0% of Sullivan County · across 5 reported incidents.

Utility ETR: October 19, 2026 21:30 UTC (utility's estimate)

  • Kingsport Power Co14 out
  • Johnson City - (TN)1 out

Not counted: no live feed for Appalachian Power Co.

Live data as of

Report an outage in Sullivan County, TN

Report it to your electric utility; MassOutage can't take reports. For a downed line, stay at least 35 feet away and call 911.

No outage contact on file for Johnson City - (TN), Kingsport Power Co, City of Bristol - (TN) and City of Elizabethton - (TN); check your electric bill or the utility's website.

Not sure which utility serves you? →

Live status by utility · Sullivan County

100%of this county's ~84,349 customers are served by utilities with a county-level live feed.

Blind spots

We can't see outages for: Appalachian Power Co. Their customers are not in any number on this page; check their own outage maps.

UtilityFeedOutServed% outSmall outagesIncidentsUtility ETRAs of
Kingsport Power CoLive · county1441,4810.0%-4October 19, 2026 21:30 UTC
City of Bristol - (TN)Live · county034,7120.0%-0-
Johnson City - (TN)Live · county110,5960.0%---
City of Elizabethton - (TN)Live · county03830.0%---
Appalachian Power CoNo live feedcan't see------

Kingsport Power Co, City of Bristol - (TN), Johnson City - (TN) and City of Elizabethton - (TN) reportevery town in the county on each poll, so 0 out is a real all-clear. ETRs are the utility's own estimates.

Active outages in Sullivan County4

Individual outages as listed by Appalachian Power, largest first. “<N” means the utility only publishes that the outage affects fewer than N customers.

CustomersCauseCrew statusUtility ETRStartedUtility
7PLANNED MAINTENANCEDispatchedOctober 19, 2026 21:30 UTCAppalachian Power
5PLANNED MAINTENANCEDispatchedOctober 19, 2026 21:30 UTCAppalachian Power
<5PLANNED MAINTENANCEDispatchedOctober 19, 2026 17:30 UTCAppalachian Power
<5PLANNED MAINTENANCEDispatchedOctober 19, 2026 19:00 UTCAppalachian Power

Electricity-dependent residents

HHS emPOWER · data October 7, 2026

Medicare beneficiaries in Sullivan Countywho rely on electricity-dependent medical equipment (ventilators, oxygen concentrators, home dialysis, powered wheelchairs, and more). HHS reports counts of 1–10 as “≤11”. Medicare only, so the full at-risk population is larger.

Power-dependent
3,695
Oxygen service
751
Dialysis (facility)
139
Home health / hospice
512
By ZIP code (8)
ZIPPower-dependentVentilatorsO2 concentratorsHome dialysis
3766091738783≤11
3762088619747≤11
3766455424446≤11
37617327≤11262≤11
37618310≤112760
3766328121229≤11
37686151≤11130≤11
37665122≤111000

Emergency managers can request identified beneficiary lists through their state health department via the HHS emPOWER program.

🔔 Alerts for Sullivan County, TN

Outage began, grew, restoration estimate changed, restored: by email, Slack, Teams, Discord or signed webhook, for Sullivan County or any town and utility in it.

◢ ACTIVE WEATHER ALERTS · NWS

No active NWS alerts for Sullivan County right now.

Recent NWS alert activity · Sullivan County

Sullivan County has been under 15 National Weather Service alerts recently, most recently a Special Weather Statement on October 13, 2026.

  • Special Weather Statement ×8
  • Wind Advisory ×3
  • Flood Advisory ×2
  • Severe Thunderstorm Warning ×2

Latest Sullivan County, TN outage updates

A running log of how this outage has changed, updated automatically as utilities report in.

  1. RESOLVED

    Power restored after 35m

  2. OUTAGE BEGAN

    Outage began: 601 customers out (0.7% of the county)

  3. RESOLVED

    Power restored after 1h 35m

  4. RESTORATION ETA

    Restoration now estimated October 7, 2026

  5. OUTAGE BEGAN

    Outage began: 721 customers out (0.8% of the county)

  6. RESOLVED

    Power restored after 1h 19m

  7. RESTORATION ETA

    Restoration now estimated October 3, 2026

  8. OUTAGE BEGAN

    Outage began: 795 customers out (0.9% of the county)

Outage trend · Sullivan County, TN
15customers out · peak 54
Data as of Oct 19, 2026 14:50 UTC
Sullivan County, TN: customers without power, last 24 hoursPeak 54 customers out; latest 15 as of Oct 19, 2026 14:50 UTC. Each point is the highest reading in its interval.020406012 PM6 PMOct 196 AM
Use the arrow keys to read values.
Times in EDT. Shaded stretches had no reading.

Hardest-hit cities in Sullivan County

Where this event is concentrated across the county's towns and townships.

Per-city live breakdown needs data

Live outage counts are tracked at the county level; a city-by-city split within Sullivan Countyisn't available yet.

Historical reliability

In 2025, the average customer in Sullivan County went about 2.7 hours without power. Peak simultaneous outage on record reached 21,584 customers.

Official state benchmark (EIA 2025)Source: US EIA

The US EIA reports Tennessee utilities averaged 3.8 hrs without power per customer (SAIDI) in 2025, a cross-check on our county estimate of 2.7 hrs.

A decade of outages (2015–2025)
avg hrs without power / customer
Sullivan County average outage hours per customer by year2015–2025: 2015 2.2h, 2016 5.3h, 2017 2.3h, 2018 9.9h, 2019 3.1h, 2020 3.7h, 2021 2.5h, 2022 5.2h, 2023 6.6h, 2024 13.6h, 2025 2.7h. Highlighted: 2024.0510152.2h20155.3h20162.3h20179.9h20183.1h20193.7h20202.5h20215.2h20226.6h202313.6h20242.7h2025
Use the arrow keys to read values.

Worst year here was 2024 (peak 21,584 customers out) · decade average 5.2 hrs without power per customer/yr.

YearOutage eventsPeak customers outAvg hrs/customer
20156842,8432.2
20166457,1835.3
20175873,1702.3
201872512,1179.9
20196542,4503.1
20206605,4593.7
20217253,3412.5
20227383,5165.2
202387115,0536.6
202486621,58413.6
20259554,2062.7

Cost of power in Sullivan County

ENERGY & AI DEMAND →

Estimated residential electricity price for Sullivan County, customer-weighted across the utilities serving it (US EIA, 2025). Retail prices aren't published at the county level; this is a derived estimate.

12.1¢/kWh
estimated residential average
▲ 35% since 2015
vs Tennessee avg 13.7¢
vs US avg 20.0¢
BY UTILITY · RESIDENTIAL ¢/kWh

Weighted by each utility's residential customer count (utilities report customers at the state level; a per-county share isn't published). Rising retail prices track a national demand surge; see energy & the data-center boom. What that adds up to each month, by state and utility: average electric bill.

Worst recorded outages
STARTEDPEAK OUTDURATION
September 23, 202421,58411d 12h
January 3, 202315,0531d 10h
July 29, 202312,5653d 22h
July 21, 201812,1173d 17h
December 5, 20187,4457d 17h
See the biggest power outages in US history →
Natural hazards & outage risk
ELEVATED

Relatively High high winds exposure · 5.2 hrs/yr of outages over the last decade.

Strong windRelatively High
FloodingRelatively Moderate

FEMA rates this county’s social vulnerability relatively moderate: outages hit harder where communities are less able to respond and recover.

All hazard rankings →

Power outages in Sullivan County: FAQ

How often does Sullivan County, TN lose power?
Based on EAGLE-I records, Sullivan County, TN logged 955 distinct outage events in 2025, averaging about 2.7 hours without power per customer over the year.
What was the worst power outage in Sullivan County, TN?
The largest tracked outage peaked at 21,584 customers without power, beginning September 23, 2024 and lasting about 11d 12h.
Is there a power outage in Sullivan County, TN right now?
Yes. As of October 19, 2026 14:56 UTC, about 15 customers are without power in Sullivan County, TN across 5 reported incidents. There is no live feed for Appalachian Power Co, so outages in their service area aren't counted.
Which utilities serve Sullivan County, TN?
Tracked electric providers include Appalachian Power Co, City of Bristol - (TN), City of Elizabethton - (TN), Johnson City - (TN), Kingsport Power Co.
Nearby counties
Cities & towns in Sullivan County

Kingsport. Outage counts for these communities are reported at the Sullivan County level shown above.

ZIP codes in Sullivan County

Outages are tracked at the county level; these ZIP codes fall within Sullivan County.

37617, 37618, 37620, 37660, 37663, 37664, 37665, 37686

Electric providers serving this county

From EIA-861 service territory, with official reliability where reported. Territory is filed by county, so these are the utilities with lines anywhere in Sullivan County, not the one at a given address. All electric companies in Tennessee →

ProviderOfficial SAIDI (EIA)LiveReport outage
Appalachian Power Co18.0 hrsNo live feedOutage map ↗
Johnson City - (TN)1.7 hrsLive · county-
Kingsport Power Co3.0 hrsLive · county-
City of Bristol - (TN)1.0 hrsLive · county-
City of Elizabethton - (TN)-Live · county-

Data from DOE/ORNL ODIN, DOE EAGLE-I, EIA Form 861 (utility reliability), EIA electricity retail prices and FEMA National Risk Index, every source we read. Historical figures derive from the DOE/ORNL EAGLE-I dataset (EAGLE-I tracked roughly 0% of Tennessee customers). Machine-readable data: /api/v1/counties/47163 and /api/v1/counties/47163/history. Live data as of .