Power Outages in Johnson County, TN
As of October 19, 2026 12:31 UTC, no outages are reported by Kingsport Power Co in Johnson County, TN. There is no live feed for Mountain Electric Coop, Inc. In 2025, the average customer here lost power for about 0.0 hours.
Johnson County, TN is served by 2 tracked utilities.
Cite this data
- URL
- https://massoutage.com/tennessee/johnson-county
- As of
- October 19, 2026 12:31 UTC
- Publisher
- MassOutage
MassOutage, "Power Outages in Johnson County, TN", live data as of October 19, 2026 12:31 UTC. https://massoutage.com/tennessee/johnson-county
No active outages are reported by Kingsport Power Co in Johnson County.
No live feed for Mountain Electric Coop, Inc: outages in itsservice area won't show here.
0.0%of this county's ~9,654 customers are served by utilities with a county-level live feed.
We can't see outages for: Mountain Electric Coop, Inc. Their customers are not in any number on this page; check their own outage maps.
| Utility | Feed | Out | Served | % out | Small outages | Incidents | Utility ETR | As of |
|---|---|---|---|---|---|---|---|---|
| Kingsport Power Co | Live · county | 0 | 1 | 0.0% | - | 0 | - | |
| Mountain Electric Coop, Inc | No live feed | can't see | - | - | - | - | - | - |
Kingsport Power Co reportsevery 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 Johnson 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 |
|---|---|---|---|---|
| 37683 | 351 | ≤11 | 319 | ≤11 |
| 37640 | 92 | ≤11 | 81 | ≤11 |
| 37688 | 33 | 0 | 25 | ≤11 |
| 37691 | 22 | 0 | 21 | 0 |
| 37680 | 18 | 0 | 17 | 0 |
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 Johnson County or any town and utility in it.
No active NWS alerts for Johnson County right now.
Johnson County has been under 19 National Weather Service alerts recently, most recently a Special Weather Statement on October 13, 2026.
- Special Weather Statement ×8
- Flood Advisory ×4
- High Wind Warning ×3
- High Wind Watch ×2
- Wind Advisory ×2
Hardest-hit cities in Johnson County
Where this event is concentrated across the county's towns and townships.
Historical reliability
In 2025, the average customer in Johnson County went about 0.0 hours without power. Peak simultaneous outage on record reached 4 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 0.0 hrs.
| Year | Outage events | Peak customers out | Avg hrs/customer |
|---|---|---|---|
| 2025 | 3 | 4 | 0.0 |
Cost of power in Johnson County
ENERGY & AI DEMAND →Estimated residential electricity price for Johnson 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.
- Mountain Electric Coop, Inc13.1¢12,388 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.
Relatively Low ice storms exposure.
FEMA rates this county’s social vulnerability very high: outages hit harder where communities are less able to respond and recover.
All hazard rankings →Power outages in Johnson County: FAQ
- How often does Johnson County, TN lose power?
- Based on EAGLE-I records, Johnson County, TN logged 3 distinct outage events in 2025, averaging about 0.0 hours without power per customer over the year.
- What was the worst power outage in Johnson County, TN?
- The largest tracked outage peaked at 4 customers without power, beginning September 4, 2025 and lasting about 5h 45m.
- Is there a power outage in Johnson County, TN right now?
- No major outage is currently reported for Johnson County, TN. Live coverage depends on whether local utilities report to ODIN.
Outages are tracked at the county level; these ZIP codes fall within Johnson County.
37640, 37680, 37683, 37688, 37691
Electric providers serving this county
From EIA-861 service territory, with official reliability where reported.
| Provider | Official SAIDI (EIA) | Live | Report outage |
|---|---|---|---|
| Mountain Electric Coop, Inc | 1.3 hrs | No live feed | - |
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/47091 and /api/v1/counties/47091/history.