Jefferson County, Illinois Power Outage Summary

No major outages currently reported in Jefferson County, Illinois. As of November 2, 2026 at 4:00 AM ET, 0 of 19,078 tracked electric customers in Jefferson County, Illinois are without power. Jefferson County is served by 5 tracked utility providers.

Customers Out

Customers Served

19,078

Share Without Power

0.00%

Serving Utilities

Utility Providers Serving Jefferson County

Rank by

#UtilityCustomers Out %Customers Out

1Ameren11,400 Served0.00%0
2Monroe County Electric Cooperative0 ServedN/AData Unavailable — last reading September 2, 2026 at 12:15 AM ET
3SouthEastern Illinois Electric Cooperative0 ServedN/A0
4Tri-County Electric Cooperative (Illinois)7,459 Served0.00%0
5Wayne-White Counties Electric Cooperative219 Served0.00%0

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Outage data is collected directly from utility providers and refreshed approximately every 10 minutes. Last updated: November 2, 2026 at 4:00 AM ET