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Electricity Excise Tax

Statutory Reference

Electronic Services


The tax is imposed on persons distributing, supplying, furnishing, or selling electricity in Illinois for use and consumption (not for resale).

Allowable Deductions

The following sales of electricity are exempt from tax:

Public utilities are also allowed a tax credit when they are required to purchase electricity produced from methane gas that is generated from landfills.

Tax Rate

Use the Tax Rate Database to determine the various taxes and fees for municipal systems, electric cooperatives, delivering suppliers, and self-assessing purchasers.

Local taxes

Municipalities may impose a tax on the business of distributing, supplying, furnishing, selling, transmitting, or delivering electricity for use or consumption (and not for resale) within the corporate limits of the municipality. The Department of Revenue does not collect these locally imposed taxes.

License Requirements

REG-1, Business Registration Application, is the form a qualified business must use to apply for a license. You may also register using our on-line Business Registration program.

Form/Filing & Payment Requirements


Returns may be filed electronically. For more information see MyTax Illinois.

Quarter-monthly payments

Companies other than municipalities that have an average monthly liability of $10,000 or more must make quarter-monthly payments. Payments are due on the 7th, 15th, 22nd, and the last day of the month. Payments can be made using MyTax Illinois. Taxpayers who mail their quarter-monthly payments to the department must complete Form RPU-50, Public Utilities Quarter-Monthly Payment - Electricity Excise Tax. Do not send Form RPU-50 if you remit your payment electronically.

Note: Electronic funds transfer participants should not send Form RPU-50 to the department.

A taxpayer with an annual liability of $20,000 or more in the preceding calendar year must remit any tax payment electronically by Electronic Funds Transfer (EFT).