Lake County, IL Power Outages
Utilities serving Lake County, Illinois don't yet share live outage data with DOE's ODIN feed. Check your electric company's outage map (listed below) for real-time status.
Lake County on the Illinois outage map
- Normal
- Minor
- Moderate
- Major
- Severe
- Limited data
Current outages
Weather alerts
No active outage-relevant weather alerts from the National Weather Service.
Lake County power outage history
Every significant outage recorded in Lake County since late 2014, with likely causes from NOAA storm reports
Since late 2014, DOE's EAGLE-I monitoring system has recorded 26 significant power outages in Lake County, meaning events that left at least 1% of customers in the dark. The largest (Aug 11–12, 2021) came when severe thunderstorms left 42,379 customers (7.3% of the county) without power.
From 2018 to 2025, the average customer here lost about 1 hr 1 min of power per year, less than the Illinois average of 2 hr 57 min. That ranks 100th of 102 Illinois counties for outage time, where 1st has the most.
August is the riskiest month: it accounted for 39% of all customer outage time from 2018 to 2025. On 1 day in that period, at least 5% of customers were out at the same time. Outage time in Lake County has fallen recently: about 39 min per customer per year in 2022–2025, versus 1 hr 22 min in 2018–2021.
The most recent significant outage on record (Aug 17, 2025) affected 8,580 customers (1.5%) amid severe thunderstorms.
Worst outages on record
| # | When | Peak customers out | Days | Likely cause (NOAA) |
|---|---|---|---|---|
| 1 | Aug 11–12, 2021 | 42,379(7.3%) | 2 | Severe thunderstorms |
| 2 | Aug 10–11, 2020 | 28,909(5%) | 2 | Severe thunderstorms |
| 3 | Aug 27–28, 2024 | 23,670(4.1%) | 2 | Severe thunderstorms |
| 4 | Nov 26–27, 2018 | 20,513(3.5%) | 2 | Winter storm |
| 5 | Feb 23, 2023 | 14,719(2.5%) | 1 | Ice storm |
Hours without power per customer, by year
When outages happen
Source: DOE/ORNL EAGLE-I recorded electricity outages, 2014–2025 (CC BY 4.0), with likely causes from the NOAA NCEI Storm Events Database. EAGLE-I coverage was partial before 2018, so averages use 2018–2025. Peak counts are the highest number of customers out at one time.
Who provides electricity in Lake County?
Electric companies with service territory in Lake County (EIA-861, 2025)
| Utility | Type | Customers (IL) | Avg. outage time / yr | Live data |
|---|---|---|---|---|
| ComEd | Investor Owned | 4,194,773 | Not reporting |
Customer counts are each utility's statewide total in Illinois. Source: U.S. Energy Information Administration, Form EIA-861 & Electric Power Annual.
Local outage news
No Lake County outage headlines in the past week.
Cities in Lake County
Waukegan, Buffalo Grove, North Chicago, Mundelein, Highland Park, Gurnee, Round Lake Beach, Vernon Hills, Zion, Grayslake
Nearby counties
Lake County power outage FAQ
Is the power out in Lake County right now?
No outages are currently reported for Lake County by participating utilities. Live coverage is limited here, so If your power is out, report it to your electric company.
Which electric company serves Lake County?
According to EIA-861 service territory data, Commonwealth Edison Co provide electric service in Lake County, Illinois.
What was the worst power outage in Lake County?
The largest outage recorded by DOE's EAGLE-I system since 2014 was Aug 11–12, 2021. It peaked at 42,379 customers without power (7.3% of the county). NOAA storm reports for that period point to severe thunderstorms.
How often does the power go out in Lake County?
EAGLE-I has recorded 26 significant outages here since late 2014. From 2018 to 2025 the average customer lost about 1 hr 1 min of power per year, and on 1 days at least 5% of customers were out at once.
Cite this page
You may reuse our derived data under CC BY 4.0 with attribution. Underlying government data is public domain.
PowerOutageTracker.com. "Lake County, IL Power Outages." Accessed November 2, 2026. https://poweroutagetracker.com/outages/illinois/lake-county