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Power Outages in Jefferson County, IA

Is there a power outage in Jefferson County, IA right now? None reported. As of October 19, 2026 22:00 UTC, no outages are reported by Interstate Power and Light Co, Access Energy Coop and T I P Rural Electric Coop in Jefferson County, IA. There is no live feed for Alliant Energy (Interstate Power & Light).

Jefferson County, IA is served by 4 tracked utilities. In 2025, the average customer here lost power for about 2.6 hours.

Cite this data
URL
https://massoutage.com/iowa/jefferson-county
As of
October 19, 2026 22:00 UTC
Publisher
MassOutage

MassOutage, "Power Outages in Jefferson County, IA", live data as of October 19, 2026 22:00 UTC. https://massoutage.com/iowa/jefferson-county

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Jefferson County, IA
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No outages reported

No active outages are reported by Interstate Power and Light Co, Access Energy Coop and T I P Rural Electric Coop in Jefferson County.

No live feed for Alliant Energy (Interstate Power & Light): outages in itsservice area won't show here.

Report an outage in Jefferson County, IA

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 Interstate Power and Light Co, Alliant Energy (Interstate Power & Light), T I P Rural Electric Coop and Access Energy Coop; check your electric bill or the utility's website.

Not sure which utility serves you? →

Live status by utility · Jefferson County

100%of this county's ~6,913 customers are served by utilities with a county-level live feed.

Blind spots

We can't see outages for: Alliant Energy (Interstate Power & Light). Their customers are not in any number on this page; check their own outage maps.

UtilityFeedOutServed% outSmall outagesIncidentsUtility ETRAs of
Interstate Power and Light CoLive · county07,1860.0%---
Access Energy CoopLive · county02,4510.0%---
T I P Rural Electric CoopLive · county040.0%---
Alliant Energy (Interstate Power & Light)No live feedcan't see------

Interstate Power and Light Co, Access Energy Coop and T I P Rural Electric Coop 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, 2026

Medicare 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.

Power-dependent
139
Oxygen service
41
Dialysis (facility)
25
Home health / hospice
≤11
By ZIP code (6)
ZIPPower-dependentVentilatorsO2 concentratorsHome dialysis
5255683≤1162≤11
52533140120
5254013≤11120
52635≤110≤110
52580≤11≤11≤110
52567≤110≤110

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

🔔 Alerts for Jefferson County, IA

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.

◢ ACTIVE WEATHER ALERTS · NWS

No active NWS alerts for Jefferson County right now.

Recent NWS alert activity · Jefferson County

Jefferson County has been under 16 National Weather Service alerts recently, most recently a Freeze Warning on October 17, 2026.

  • Flood Watch ×7
  • Freeze Warning ×3
  • Severe Thunderstorm Warning ×3
  • Dense Fog Advisory ×2
  • Special Weather Statement ×1

Latest Jefferson County, IA outage updates

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

  1. RESOLVED

    Power restored after 1h 5m

  2. OUTAGE BEGAN

    Outage began: 953 customers out (9.9% of the county)

Outage trend · Jefferson County, IA
0customers out
Data as of Oct 19, 2026 21:50 UTC
Jefferson County, IA: customers without power, last 24 hoursPeak 0 customers out; latest 0 as of Oct 19, 2026 21:50 UTC. Each point is the highest reading in its interval.00.30.50.816 PMOct 196 AM12 PM
Use the arrow keys to read values.
Times in EDT. Shaded stretches had no reading.

Hardest-hit cities in Jefferson 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 Jefferson County went about 2.6 hours without power. Peak simultaneous outage on record reached 5,442 customers.

Official state benchmark (EIA 2025)Source: US EIA

The US EIA reports Iowa utilities averaged 3.1 hrs without power per customer (SAIDI) in 2025, a cross-check on our county estimate of 2.6 hrs.

A decade of outages (2015–2025)
avg hrs without power / customer
Jefferson County average outage hours per customer by year2015–2025: 2015 3.1h, 2016 3.8h, 2017 2.4h, 2018 6.2h, 2019 2.1h, 2020 6.6h, 2021 2.7h, 2022 1.6h, 2023 5.4h, 2024 5.3h, 2025 2.6h. Highlighted: 2020.024683.1h20153.8h20162.4h20176.2h20182.1h20196.6h20202.7h20211.6h20225.4h20235.3h20242.6h2025
Use the arrow keys to read values.

Worst year here was 2020 (peak 4,656 customers out) · decade average 3.8 hrs without power per customer/yr.

YearOutage eventsPeak customers outAvg hrs/customer
20151693,9063.1
20162034,4793.8
20172581,5192.4
20183652,8996.2
20193671,5392.1
20204214,6566.6
20213921,3172.7
20223691,3451.6
20233413,5835.4
20244685,4425.3
20254221,5322.6

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.

17.0¢/kWh
estimated residential average
▲ 25% since 2015
vs Iowa avg 16.0¢
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
July 16, 20245,44218h 45m
September 8, 20204,65621h 30m
July 15, 20204,6224h 30m
January 23, 20164,4794h 45m
June 21, 20153,90623h 30m
See the biggest power outages in US history →
Natural hazards & outage risk
ELEVATED

Relatively Moderate high winds exposure · 3.8 hrs/yr of outages over the last decade.

Strong windRelatively Moderate
Heat waveRelatively 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 Jefferson County: FAQ

How often does Jefferson County, IA lose power?
Based on EAGLE-I records, Jefferson County, IA logged 422 distinct outage events in 2025, averaging about 2.6 hours without power per customer over the year.
What was the worst power outage in Jefferson County, IA?
The largest tracked outage peaked at 5,442 customers without power, beginning July 16, 2024 and lasting about 18h 45m.
Is there a power outage in Jefferson County, IA right now?
None reported. As of October 19, 2026 22:00 UTC, no outages are reported by Interstate Power and Light Co, Access Energy Coop and T I P Rural Electric Coop in Jefferson County, IA. There is no live feed for Alliant Energy (Interstate Power & Light).
Which utilities serve Jefferson County, IA?
Tracked electric providers include Access Energy Coop, Alliant Energy (Interstate Power & Light), Interstate Power and Light Co.
ZIP codes in Jefferson County

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

52533, 52540, 52556, 52557, 52567, 52580, 52635

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 Iowa →

ProviderOfficial SAIDI (EIA)LiveReport outage
Interstate Power and Light Co-Live · county-
Alliant Energy (Interstate Power & Light)-No live feed-
T I P Rural Electric Coop-Live · county-
Access Energy Coop-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 Iowa customers). Machine-readable data: /api/v1/counties/19101 and /api/v1/counties/19101/history.