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SB3578 • 2026
DATA CENTERS-FOREIGN OWNERSHIP
This bill passed both chambers and reached final enrollment, even if later executive action is not shown here.
Using official source text because the generated explanation was unavailable or could not be confirmed against the official bill text.
DATA CENTERS-FOREIGN OWNERSHIP
Added as Co-Sponsor Sen. Darby A. Hills
Added as Co-Sponsor Sen. Sally J. Turner
Filed with Secretary by Sen. Sue Rezin
First Reading
Referred to Assignments
DATA CENTERS-FOREIGN OWNERSHIP
Illinois General Assembly - Full Text of SB3578 Select Language × The Illinois General Assembly offers the Google Translate™ service for visitor convenience. In no way should it be considered accurate as to the translation of any content herein. Visitors of the Illinois General Assembly website are encouraged to use other translation services available on the internet. The English language version is always the official and authoritative version of this website. NOTE: To return to the original English language version, select the "Show Original" button on the Google Translate™ menu bar at the top of the window. 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Full Text of SB3578 Home Legislation Full Text SB3578 - 104th General Assembly Bill Status Full Text Votes Witness Slips Select Menu Bill Status Full Text Votes Witness Slips Printer Friendly Version Introduced Printer Friendly Version Introduced Open PDF 104TH GENERAL ASSEMBLY State of Illinois 2025 and 2026 SB3578 Introduced 2/5/2026, by Sen. Sue Rezin SYNOPSIS AS INTRODUCED: New Act Creates the Data Center Construction by Foreign Adversaries Act. Provides that no foreign company may construct or cause to be constructed a data center in the State unless the Illinois Commerce Commission, the Illinois Power Agency, and the Department of Commerce and Economic Opportunity conduct a joint study of the energy consumption of the prospective data center and certify to the Governor and the General Assembly that the energy used by the new data center is a new self-generated load and does not affect the load supply of PJM or MISO. Provides that the term "foreign company" means an entity that (i) is at least 51% owned by a foreign adversary or (ii) is headquartered in a country with a government that is a foreign adversary. LRB104 16287 HLH 29672 b A BILL FOR SB3578 LRB104 16287 HLH 29672 b 1 AN ACT concerning data centers. 2 Be it enacted by the People of the State of Illinois, 3 represented in the General Assembly: 4 Section 1. Short title. This Act may be cited as the Data 5 Center Construction by Foreign Adversaries Act. 6 Section 5. Data center construction by foreign adversaries 7 prohibited. 8 (a) As used in this Section: 9 "Company" means a sole proprietorship, organization, 10 association, corporation, partnership, joint venture, limited 11 partnership, limited liability partnership, limited liability 12 company, or other entity or business association, including 13 all wholly owned subsidiaries, majority-owned subsidiaries, 14 parent companies, or affiliates of those entities or business 15 associations. 16 "Data center" has the meaning given to that term in 17 Section 605-1025 of the Department of Commerce and Economic 18 Opportunity Law of the Civil Administrative Code of Illinois. 19 "Foreign company" means a company that: 20 (1) is at least 51% owned by a foreign adversary, as 21 defined in 15 CFR 791.2; or 22 (2) is headquartered in a country with a government 23 that is a foreign adversary, as defined in 15 CFR 791.2. SB3578 - 2 - LRB104 16287 HLH 29672 b 1 "MISO" means the regional transmission organization known 2 as the Midcontinent Independent System Operator, Inc. 3 "PJM" means the regional transmission organization known 4 as PJM Interconnection, LLC. 5 (b) Notwithstanding any other provision of law, on and 6 after the effective date of this Act, no foreign company may 7 construct or cause to be constructed a data center in the State 8 unless the Illinois Commerce Commission, the Illinois Power 9 Agency, and the Department of Commerce and Economic 10 Opportunity conduct a joint study of the energy consumption of 11 the prospective data center and certify to the Governor and 12 the General Assembly that the energy estimated to be used by 13 the data center is a self-generated load and does not affect 14 the load supply of PJM or MISO. 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