35 ILCS 640/2-4

(35 ILCS 640/2-4)

Sec. 2-4. Tax imposed.

(a) Except as provided in subsection (b), a tax is imposed on the privilege of using in this State electricity purchased for use or consumption and not for resale, other than by municipal corporations owning and operating a local transportation system for public service, at the following rates per kilowatt-hour delivered to the purchaser:

(i) For the first 2000 kilowatt-hours used or consumed in a month: 0.330 cents per kilowatt-hour;

(ii) For the next 48,000 kilowatt-hours used or consumed in a month: 0.319 cents per kilowatt-hour;

(iii) For the next 50,000 kilowatt-hours used or consumed in a month: 0.303 cents per kilowatt-hour;

(iv) For the next 400,000 kilowatt-hours used or consumed in a month: 0.297 cents per kilowatt-hour;

(v) For the next 500,000 kilowatt-hours used or consumed in a month: 0.286 cents per kilowatt-hour;

(vi) For the next 2,000,000 kilowatt-hours used or consumed in a month: 0.270 cents per kilowatt-hour;

(vii) For the next 2,000,000 kilowatt-hours used or consumed in a month: 0.254 cents per kilowatt-hour;

(viii) For the next 5,000,000 kilowatt-hours used or consumed in a month: 0.233 cents per kilowatt-hour;

(ix) For the next 10,000,000 kilowatt-hours used or consumed in a month: 0.207 cents per kilowatt-hour;

(x) For all electricity in excess of 20,000,000 kilowatt-hours used or consumed in a month: 0.202 cents per kilowatt-hour.

Provided, that in lieu of the foregoing rates, the tax is imposed on a self-assessing purchaser at the rate of 5.1% of the self-assessing purchaser's purchase price for all electricity distributed, supplied, furnished, sold, transmitted and delivered to the self-assessing purchaser in a month.

(b) A tax is imposed on the privilege of using in this State electricity purchased from a municipal system or electric cooperative, as defined in Article XVII of the Public Utilities Act, which has not made an election as permitted by either Section 17-200 or Section 17-300 of such Act, at the lesser of 0.32 cents per kilowatt hour of all electricity distributed, supplied, furnished, sold, transmitted, and delivered by such municipal system or electric cooperative to the purchaser or 5% of each such purchaser's purchase price for all electricity distributed, supplied, furnished, sold, transmitted, and delivered by such municipal system or electric cooperative to the purchaser, whichever is the lower rate as applied to each purchaser in each billing period.

(c) The tax imposed by this Section 2-4 is not imposed with respect to any use of electricity by business enterprises certified under Section 9-222.1 or 9-222.1A of the Public Utilities Act, as amended, to the extent of such exemption and during the time specified by the Department of Commerce and Economic Opportunity; or with respect to any transaction in interstate commerce, or otherwise, to the extent to which such transaction may not, under the Constitution and statutes of the United States, be made the subject of taxation by this State.

(d) The tax imposed by this Section 2-4 is not imposed with respect to any use of electricity at a REV Illinois Project site that has received a certification for tax exemption from the Department of Commerce and Economic Opportunity pursuant to Section 95 of the Reimagining Energy and Vehicles in Illinois Act, to the extent of such exemption, which shall be no more than 10 years.

(e) The tax imposed by this Section 2-4 is not imposed with respect to any use of electricity at a project site that has received a certification for tax exemption from the Department of Commerce and Economic Opportunity pursuant to the Manufacturing Illinois Chips for Real Opportunity (MICRO) Act, to the extent of such exemption, which shall be no more than 10 years.

(f) The tax imposed by this Section 2-4 is not imposed with respect to any use of electricity at a quantum computing campus that has received a certification for tax exemption from the Department of Commerce and Economic Opportunity pursuant to Section 605-1115 of the Department of Commerce and Economic Opportunity Law of the Civil Administrative Code of Illinois to the extent of the exemption and during the period of time specified by the Department of Commerce and Economic Opportunity.

(Source: P.A. 102-669, eff. 11-16-21; 102-700, eff. 4-19-22; 102-1125, eff. 2-3-23; 103-595, eff. 6-26-24.)