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Power Outages in Marion County, TN

City of Chattanooga - (TN), Duck River Elec Member Corp and Sequachee Valley Electric Coop publish only a system-wide total, not county figures. In 2025, the average customer here lost power for about 12.0 hours.

Marion County, TN is served by 3 tracked utilities.

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https://massoutage.com/tennessee/marion-county
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Not available
Publisher
MassOutage

MassOutage, "Power Outages in Marion County, TN". https://massoutage.com/tennessee/marion-county

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Marion County, TN
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No outages reported (partial view)

City of Chattanooga - (TN), Duck River Elec Member Corp and Sequachee Valley Electric Coop publish no county-level figures.

Live status by utility · Marion County

0.0%of this county's ~17,026 customers are served by utilities with a county-level live feed.

Blind spots

System-wide total only, no county split: City of Chattanooga - (TN), Duck River Elec Member Corp, Sequachee Valley Electric Coop.

UtilityFeedOutServed% outSmall outagesIncidentsUtility ETRAs of
City of Chattanooga - (TN)Live · total onlynot by county------
Duck River Elec Member CorpLive · total onlynot by county------
Sequachee Valley Electric CoopLive · total onlynot by county------

Electricity-dependent residents

HHS emPOWER · data October 7, 2026

Medicare beneficiaries in Marion 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
331
Oxygen service
89
Dialysis (facility)
33
Home health / hospice
108
By ZIP code (9)
ZIPPower-dependentVentilatorsO2 concentratorsHome dialysis
37397189≤111580
37347148≤11120≤11
37405143≤1196≤11
37380119≤1193≤11
3741989≤11750
3735663≤1154≤11
3737426≤11250
3734019≤11150
37396≤110≤110

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

🔔 Alerts for Marion County, TN

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

◢ ACTIVE WEATHER ALERTS · NWS

No active NWS alerts for Marion County right now.

Recent NWS alert activity · Marion County

Marion County has been under 25 National Weather Service alerts recently, most recently a Special Weather Statement on October 13, 2026.

  • Special Weather Statement ×10
  • Severe Thunderstorm Warning ×8
  • Flood Watch ×3
  • Wind Advisory ×3
  • High Wind Watch ×1

Latest Marion County, TN outage updates

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

  1. RESOLVED

    Power restored after 25m

  2. OUTAGE BEGAN

    Outage began: 556 customers out (3.3% of the county)

  3. RESOLVED

    Power restored after 10m

  4. OUTAGE BEGAN

    Outage began: 556 customers out (3.3% of the county)

  5. RESOLVED

    Power restored after 1h 35m

  6. OUTAGE BEGAN

    Outage began: 1,074 customers out (6.8% of the county)

  7. RESOLVED

    Power restored after 1h 20m

  8. OUTAGE BEGAN

    Outage began: 161 customers out (1.0% of the county)

Outage trend · Marion County, TN
0customers out · peak 556
Data as of Oct 15, 2026 00:30 UTC
Marion County, TN: customers without power, last 24 hoursPeak 556 customers out; latest 0 as of Oct 15, 2026 00:30 UTC. Each point is the highest reading in its interval.0200400600Oct 146 AM12 PM6 PM
Use the arrow keys to read values.
Times in EDT. Shaded stretches had no reading.

Hardest-hit cities in Marion County

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

No cities on file for this county

Historical reliability

In 2025, the average customer in Marion County went about 12.0 hours without power. Peak simultaneous outage on record reached 9,922 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 12.0 hrs.

A decade of outages (2015–2025)
avg hrs without power / customer
Marion County average outage hours per customer by year2015–2025: 2015 0.0h, 2017 0.0h, 2018 0.0h, 2019 0.1h, 2020 1.0h, 2021 1.7h, 2022 3.0h, 2023 5.3h, 2024 4.6h, 2025 12.0h. Highlighted: 2025.0510150.0h20150.0h20170.0h20180.1h20191.0h20201.7h20213.0h20225.3h20234.6h202412.0h2025
Use the arrow keys to read values.

Worst year here was 2025 (peak 7,277 customers out) · decade average 2.8 hrs without power per customer/yr.

YearOutage eventsPeak customers outAvg hrs/customer
201534550.0
20171340.0
2018101460.0
2019705110.1
20204036861.0
20216119,9221.7
20223402,2103.0
20232878,5185.3
20243451,0514.6
20256267,27712.0

Cost of power in Marion County

ENERGY & AI DEMAND →

Estimated residential electricity price for Marion 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.

13.8¢/kWh
estimated residential average
▲ 26% 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.

Worst recorded outages
STARTEDPEAK OUTDURATION
September 20, 20219,9228h 45m
May 9, 20238,5182d 8h
May 19, 20257,2778h 15m
May 29, 20254,9671d 4h
December 19, 20252,42123h 45m
See the biggest power outages in US history →
Natural hazards & outage risk
MODERATE

Relatively Moderate high winds exposure · 2.8 hrs/yr of outages over the last decade.

TornadoRelatively Moderate
Strong windRelatively Moderate

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

All hazard rankings →

Power outages in Marion County: FAQ

How often does Marion County, TN lose power?
Based on EAGLE-I records, Marion County, TN logged 626 distinct outage events in 2025, averaging about 12.0 hours without power per customer over the year.
What was the worst power outage in Marion County, TN?
The largest tracked outage peaked at 9,922 customers without power, beginning September 20, 2021 and lasting about 8h 45m.
Is there a power outage in Marion County, TN right now?
No major outage is currently reported for Marion County, TN. Live coverage depends on whether local utilities report to ODIN.
Which utilities serve Marion County, TN?
Tracked electric providers include City of Chattanooga - (TN), Duck River Elec Member Corp, Sequachee Valley Electric Coop.
ZIP codes in Marion County

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

37340, 37347, 37356, 37374, 37380, 37396, 37397, 37405, 37419

Electric providers serving this county

From EIA-861 service territory, with official reliability where reported.

ProviderOfficial SAIDI (EIA)LiveReport outage
Duck River Elec Member Corp3.2 hrsLive · total only-
Sequachee Valley Electric Coop5.1 hrsLive · total only-
City of Chattanooga - (TN)-Live · total only-

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/47115 and /api/v1/counties/47115/history.