Power Outages in Jefferson County, IL
No live outage feed is available for Jefferson County, IL yet — live coverage depends on local utilities reporting to ODIN. In 2025, the average customer here lost power for about 2.2 hours.
Jefferson County, IL is served by local tracked utilities.
Jefferson County's utilities do not report live data to ODIN, so real-time outage counts aren't available here. The historical record below is complete.
- Heat AdvisoryMODERATE
Jefferson County has been under 5 National Weather Service alerts recently — most recently a Heat Advisory on July 18, 2026.
- Flood Watch ×2
- Special Weather Statement ×2
- Heat Advisory ×1
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 2.2 hours without power. Peak simultaneous outage on record reached 12,259 customers.
Worst year here was 2019 (peak 4,683 customers out) · decade average 4.8 hrs without power per customer/yr.
| Year | Outage events | Peak customers out | Avg hrs/customer |
|---|---|---|---|
| 2015 | 394 | 3,193 | 2.5 |
| 2016 | 436 | 3,501 | 3.7 |
| 2017 | 342 | 3,003 | 1.5 |
| 2018 | 906 | 6,191 | 12.9 |
| 2019 | 855 | 4,683 | 12.9 |
| 2020 | 689 | 3,056 | 2.3 |
| 2021 | 653 | 12,259 | 3.7 |
| 2022 | 629 | 2,771 | 3.0 |
| 2023 | 644 | 3,004 | 5.0 |
| 2024 | 650 | 4,728 | 3.2 |
| 2025 | 594 | 1,540 | 2.2 |
Relatively High high winds exposure · 4.8 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, IL lose power?
- Based on EAGLE-I records, Jefferson County, IL logged 594 distinct outage events in 2025, averaging about 2.2 hours without power per customer over the year.
- What was the worst power outage in Jefferson County, IL?
- The largest tracked outage peaked at 12,259 customers without power, beginning February 16, 2021 and lasting about 9h.
- Is there a power outage in Jefferson County, IL right now?
- No major outage is currently reported for Jefferson County, IL. Live coverage depends on whether local utilities report to ODIN.
Outages are tracked at the county level; these ZIP codes fall within Jefferson County.
62810, 62814, 62816, 62830, 62846, 62864, 62872, 62883, 62889, 62893, 62894, 62898
Machine-readable data: /api/v1/counties/17081 and /api/v1/counties/17081/history. Historical figures derive from the DOE/ORNL EAGLE-I dataset (EAGLE-I tracked roughly 0% of Illinois customers).