Power Outages in Jefferson County, TN
Is there a power outage in Jefferson County, TN right now? None reported. As of October 19, 2026 19:55 UTC, no outages are reported by City of Newport - (TN), Holston Electric Coop, Inc and Knoxville Utilities Board in Jefferson County, TN. Appalachian Electric Coop publishes only a system-wide total, not county figures.
Jefferson County, TN is served by 5 tracked utilities. In 2025, the average customer here lost power for about 0.9 hours.
Cite this data
- URL
- https://massoutage.com/tennessee/jefferson-county
- As of
- October 19, 2026 19:55 UTC
- Publisher
- MassOutage
MassOutage, "Power Outages in Jefferson County, TN", live data as of October 19, 2026 19:55 UTC. https://massoutage.com/tennessee/jefferson-county
No active outages are reported by City of Newport - (TN), Holston Electric Coop, Inc and Knoxville Utilities Board in Jefferson County.
Appalachian Electric Coop publishes no county-level figures.
Report an outage in Jefferson 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 Knoxville Utilities Board, Appalachian Electric Coop, Holston Electric Coop, Inc, Sevier County Electric System and City of Newport - (TN); check your electric bill or the utility's website.
1.5%of this county's ~39,222 customers are served by utilities with a county-level live feed.
System-wide total only, no county split: Appalachian Electric Coop.
| Utility | Feed | Out | Served | % out | Small outages | Incidents | Utility ETR | As of |
|---|---|---|---|---|---|---|---|---|
| City of Newport - (TN) | Live · county | 0 | 539 | 0.0% | - | - | - | |
| Holston Electric Coop, Inc | Live · county | 0 | 46 | 0.0% | - | - | - | |
| Appalachian Electric Coop | Live · total only | not by county | - | - | - | - | - | - |
| Knoxville Utilities Board | Live · county | 0 | - | - | - | 0 | - | |
| Sevier County Electric System | Live · county | no county report | - | - | - | - | - | - |
City of Newport - (TN), Holston Electric Coop, Inc and Knoxville Utilities Board reportevery town in the county on each poll, so 0 out is a real all-clear. ETRs are the utility's own estimates.
Electricity-dependent residents
HHS emPOWER · data October 7, 2026Medicare beneficiaries in Jefferson 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.
By ZIP code (5)
| ZIP | Power-dependent | Ventilators | O2 concentrators | Home dialysis |
|---|---|---|---|---|
| 37725 | 388 | ≤11 | 314 | ≤11 |
| 37760 | 227 | ≤11 | 186 | ≤11 |
| 37877 | 193 | ≤11 | 154 | ≤11 |
| 37820 | 151 | ≤11 | 122 | 0 |
| 37890 | 134 | ≤11 | 118 | ≤11 |
Emergency managers can request identified beneficiary lists through their state health department via the HHS emPOWER program.
Outage began, grew, restoration estimate changed, restored: by email, Slack, Teams, Discord or signed webhook, for Jefferson County or any town and utility in it.
No active NWS alerts for Jefferson County right now.
Jefferson County has been under 18 National Weather Service alerts recently, most recently a Special Weather Statement on October 13, 2026.
- Special Weather Statement ×10
- Flood Advisory ×3
- Wind Advisory ×3
- Severe Thunderstorm Warning ×2
Hardest-hit cities in Jefferson County
Where this event is concentrated across the county's towns and townships.
Historical reliability
In 2025, the average customer in Jefferson County went about 0.9 hours without power. Peak simultaneous outage on record reached 11,865 customers.
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 0.9 hrs.
Worst year here was 2023 (peak 11,865 customers out) · decade average 3.2 hrs without power per customer/yr.
| Year | Outage events | Peak customers out | Avg hrs/customer |
|---|---|---|---|
| 2015 | 45 | 715 | 0.1 |
| 2016 | 60 | 447 | 0.1 |
| 2017 | 94 | 2,153 | 0.8 |
| 2018 | 123 | 2,298 | 0.4 |
| 2019 | 345 | 1,667 | 1.4 |
| 2020 | 640 | 5,280 | 5.6 |
| 2021 | 339 | 4,179 | 1.1 |
| 2022 | 683 | 8,634 | 4.9 |
| 2023 | 844 | 11,865 | 11.5 |
| 2024 | 835 | 9,007 | 8.6 |
| 2025 | 446 | 3,139 | 0.9 |
Cost of power in Jefferson County
ENERGY & AI DEMAND →Estimated residential electricity price for Jefferson 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.
- Knoxville Utilities Board13.8¢196,674 cust
- Appalachian Electric Coop13.6¢44,280 cust
- Sevier County Electric System12.1¢36,001 cust
- Holston Electric Coop, Inc14.0¢25,947 cust
- City of Newport - (TN)15.0¢20,003 cust
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.
Relatively Low ice storms exposure · 3.2 hrs/yr of outages over the last decade.
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 Jefferson County: FAQ
- How often does Jefferson County, TN lose power?
- Based on EAGLE-I records, Jefferson County, TN logged 446 distinct outage events in 2025, averaging about 0.9 hours without power per customer over the year.
- What was the worst power outage in Jefferson County, TN?
- The largest tracked outage peaked at 11,865 customers without power, beginning August 7, 2023 and lasting about 3d 10h.
- Is there a power outage in Jefferson County, TN right now?
- None reported. As of October 19, 2026 19:55 UTC, no outages are reported by City of Newport - (TN), Holston Electric Coop, Inc and Knoxville Utilities Board in Jefferson County, TN. Appalachian Electric Coop publishes only a system-wide total, not county figures.
- Which utilities serve Jefferson County, TN?
- Tracked electric providers include City of Newport - (TN), Holston Electric Coop, Inc, Knoxville Utilities Board, Sevier County Electric System.
Outages are tracked at the county level; these ZIP codes fall within Jefferson County.
37725, 37760, 37820, 37877, 37890
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 Jefferson County, not the one at a given address. All electric companies in Tennessee →
| Provider | Official SAIDI (EIA) | Live | Report outage |
|---|---|---|---|
| Knoxville Utilities Board | 4.6 hrs | Live · county | - |
| Appalachian Electric Coop | 5.0 hrs | Live · total only | - |
| Holston Electric Coop, Inc | 3.1 hrs | Live · county | - |
| Sevier County Electric System | 6.3 hrs | Live · county | - |
| City of Newport - (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/47089 and /api/v1/counties/47089/history.