ComEd Faces Major Outage Challenge After Back-to-Back Storms — Commonwealth Edison Company

Event summary

Severe storms caused widespread outages affecting over 250,000 customers in northern Illinois.
As of July 4, 2026, approximately 52,000 customers remain without power.
ComEd estimates 80% restoration by July 4 evening, with full recovery expected by July 7.
Over 1,300 personnel are deployed for restoration efforts amid potential additional storms.

The big picture

ComEd's response to these storms highlights the vulnerability of utility infrastructure to extreme weather events, a growing concern as climate change increases storm frequency and intensity. The company's ability to manage this crisis will be closely watched by regulators and investors, particularly given its role serving 70% of Illinois' population. Effective restoration efforts are critical for maintaining customer trust and operational stability.

What we're watching

Infrastructure Resilience: How ComEd's restoration pace will be affected by potential additional storms over the holiday weekend.
Operational Risk: Whether ComEd can maintain safety protocols while working around the clock during severe weather conditions.
Customer Communication: The effectiveness of ComEd's Outage Tracker and mobile app in managing customer expectations during prolonged outages.