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Power Outages in Lake County, IL

Commonwealth Edison Co publishes only a system-wide total, not county figures. In 2025, the average customer here lost power for about 0.5 hours.

Lake County, IL is served by 1 tracked utility.

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URL
https://massoutage.com/illinois/lake-county
As of
Not available
Publisher
MassOutage

MassOutage, "Power Outages in Lake County, IL". https://massoutage.com/illinois/lake-county

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Lake County, IL
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No outages reported (partial view)

Commonwealth Edison Co publishes no county-level figures.

Live status by utility · Lake County

0.0%of this county's ~295,715 customers are served by utilities with a county-level live feed.

Blind spots

System-wide total only, no county split: Commonwealth Edison Co.

UtilityFeedOutServed% outSmall outagesIncidentsUtility ETRAs of
Commonwealth Edison CoLive · total onlynot by county------

Electricity-dependent residents

HHS emPOWER · data October 7, 2026

Medicare beneficiaries in Lake 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
5,018
Oxygen service
963
Dialysis (facility)
641
Home health / hospice
1,032
By ZIP code (26)
ZIPPower-dependentVentilatorsO2 concentratorsHome dialysis
6003028613201≤11
600852701216818
6007326820182≤11
60046230≤11163≤11
6003122114130≤11
60047216≤11127≤11
60035211≤11112≤11
60002206≤11155≤11
60099204≤11136≤11
6006020312124≤11
60089190≤1193≤11
60015164≤1192≤11
60087145≤1199≤11
60048142≤1189≤11
60045139≤1171≤11
60084137≤11103≤11
60061137≤1188≤11
60020126≤1193≤11
6006992≤1146≤11
6006485≤1156≤11
6004185≤1162≤11
6009664≤1147≤11
6008360≤1140≤11
6004460≤11380
60088≤110≤110
60040≤11≤11≤110

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

🔔 Alerts for Lake County, IL

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

Get alerts for Lake CountySend updates to your dashboardRSS feed
◢ ACTIVE WEATHER ALERTS · NWS

No active NWS alerts for Lake County right now.

Recent NWS alert activity · Lake County

Lake County has been under 117 National Weather Service alerts recently, most recently a Frost Advisory on October 17, 2026.

  • Flood Warning ×56
  • Beach Hazards Statement ×27
  • Flood Watch ×19
  • Hydrologic Outlook ×5
  • Special Weather Statement ×4
  • Flood Advisory ×2

Latest Lake County, IL outage updates

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

  1. RESOLVED

    Power restored after 35m

  2. OUTAGE BEGAN

    Outage began: 1,174 customers out (0.4% of the county)

  3. RESOLVED

    Power restored after 20m

  4. OUTAGE BEGAN

    Outage began: 550 customers out (0.1% of the county)

  5. RESOLVED

    Power restored after 51m

  6. OUTAGE BEGAN

    Outage began: 818 customers out (0.1% of the county)

  7. RESOLVED

    Power restored after 20m

  8. OUTAGE BEGAN

    Outage began: 503 customers out (0.1% of the county)

Outage trend · Lake County, IL
0customers out · peak 1,174
Data as of Oct 15, 2026 00:30 UTC
Lake County, IL: customers without power, last 24 hoursPeak 1,174 customers out; latest 0 as of Oct 15, 2026 00:30 UTC. Each point is the highest reading in its interval.05001k1.5kOct 146 AM12 PM6 PM
Use the arrow keys to read values.
Times in EDT. Shaded stretches had no reading.

Hardest-hit cities in Lake County

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

  • Waukeganno outage reported
  • Buffalo Groveno outage reported

Historical reliability

In 2025, the average customer in Lake County went about 0.5 hours without power. Peak simultaneous outage on record reached 42,379 customers.

Official state benchmark (EIA 2025)Source: US EIA

The US EIA reports Illinois utilities averaged 2.4 hrs without power per customer (SAIDI) in 2025, a cross-check on our county estimate of 0.5 hrs.

A decade of outages (2015–2025)
avg hrs without power / customer
Lake County average outage hours per customer by year2015–2025: 2015 1.0h, 2016 0.3h, 2017 0.9h, 2018 1.5h, 2019 0.8h, 2020 1.2h, 2021 2.0h, 2022 0.5h, 2023 0.6h, 2024 1.1h, 2025 0.5h. Highlighted: 2021.00.511.521.0h20150.3h20160.9h20171.5h20180.8h20191.2h20202.0h20210.5h20220.6h20231.1h20240.5h2025
Use the arrow keys to read values.

Worst year here was 2021 (peak 42,379 customers out) · decade average 0.9 hrs without power per customer/yr.

YearOutage eventsPeak customers outAvg hrs/customer
201575612,9171.0
20164185,9920.3
20177349,2880.9
201886120,5131.5
201987211,1170.8
20201,06128,9091.2
20211,03142,3792.0
20221,1144,5710.5
20231,16414,7190.6
20241,13723,6701.1
20251,1348,5800.5

Cost of power in Lake County

ENERGY & AI DEMAND →

Estimated residential electricity price for Lake 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.

17.7¢/kWh
estimated residential average
▲ 34% since 2015
vs Illinois avg 19.2¢
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
August 10, 202142,3793d 13h
August 10, 202028,9093d 19h
August 27, 202423,6703d 2h
November 25, 201820,5134d 16h
February 22, 202314,7193d 2h
See the biggest power outages in US history →
Natural hazards & outage risk
ELEVATED

Very High high winds exposure · 0.9 hrs/yr of outages over the last decade.

TornadoVery High
Strong windVery High
FloodingRelatively High
Ice stormRelatively Moderate
Heat waveRelatively Moderate
All hazard rankings →

Power outages in Lake County: FAQ

How often does Lake County, IL lose power?
Based on EAGLE-I records, Lake County, IL logged 1,134 distinct outage events in 2025, averaging about 0.5 hours without power per customer over the year.
What was the worst power outage in Lake County, IL?
The largest tracked outage peaked at 42,379 customers without power, beginning August 10, 2021 and lasting about 3d 13h.
Is there a power outage in Lake County, IL right now?
No major outage is currently reported for Lake County, IL. Live coverage depends on whether local utilities report to ODIN.
Which utilities serve Lake County, IL?
Tracked electric providers include Commonwealth Edison Co.
Nearby counties
Allegan CountyBerrien CountyCook CountyKenosha County
Cities & towns in Lake County

Waukegan, Buffalo Grove. Outage counts for these communities are reported at the Lake County level shown above.

ZIP codes in Lake County

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

60002, 60015, 60020, 60030, 60031, 60035, 60040, 60041, 60042, 60044, 60045, 60046, 60047, 60048, 60060, 60061, 60064, 60069, 60073, 60075, 60083, 60084, 60085, 60087, 60088, 60089, 60096, 60099

Electric providers serving this county

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

ProviderOfficial SAIDI (EIA)LiveReport outage
Commonwealth Edison Co1.3 hrsLive · 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 Illinois customers). Machine-readable data: /api/v1/counties/17097 and /api/v1/counties/17097/history.