# Cook County, IL — Power Outage Status

As of October 15, 2026 00:30 UTC, 80 customers are without power in Cook County, IL, according to MassOutage's tally of the utility and government outage feeds it polls.

Cite as: MassOutage, "Power Outages in Cook County, IL", live data as of October 15, 2026 00:30 UTC. https://massoutage.com/illinois/cook-county

Live and historical power-outage data for Cook County, Illinois (FIPS 17031), aggregated by MassOutage (https://massoutage.com) from public utility and government sources. Unofficial — confirm with the utility before acting; for emergencies call 911.

## Live status (as of 2026-10-15T00:30:43.874Z UTC)
- Customers without power: **80** (0% of 2,411,908 tracked)
- Active incidents: 20
- Worst estimated restoration: 2026-10-17T00:15:00.000Z
- Utilities affected:
  - Commonwealth Edison Co: 80 out (ETR 2026-10-17T00:15:00Z)

> Live data changes continuously — do not report these as current without re-checking. Fetch fresh JSON: https://massoutage.com/api/v1/live/counties/17031

## History
- In 2025, the average customer here lost power for about 1.4 hours (DOE/ORNL EAGLE-I).
- Annual reports: https://massoutage.com/reports/2025/illinois/cook-county

## More
- County page: https://massoutage.com/illinois/cook-county
- Live JSON API: https://massoutage.com/api/v1/live/counties/17031
- Developer API & AI guide: https://massoutage.com/developers and https://massoutage.com/developers/ai-guide.md