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Possible online services disruption due to Internet related outage

A worldwide technology outage is causing disruption to some State of Illinois online systems.  We are aware of this issue and are diligently working on restoration.

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Electricity Distribution Tax & Invested Capital Tax Forms

Name Description
  MyTax Illinois
ICT-1 Instr.
 Electricity Distribution and Invested Capital Tax Estimated Payment (R-11/12)
ICT-4 Instr. Electricity Distribution and Invested Capital Tax Return (R-11/12)
ICT-4-X Instr. Amended Electricity Distribution and Invested Capital Tax Return (R-11/12)