Scope
Title 14, Part 521 of the Illinois Administrative Code, the Department of Commerce and Economic Opportunity's Data Center Investment Program rules, implements 20 ILCS 605/605-1025. It governs which data center owners or operators may apply for certification, how applications are reviewed, the memorandum of understanding, and certificates of exemption. Certified data centers and, where applicable, their tenants receive an initial 5-year certificate of exemption, renewable in 5-year periods, and the exemptions may not exceed 20 years.
- Geographic scope
- Illinois
- Jurisdiction
- State
- Authority type
- Government agency
- Issuing authority
- Illinois Department of Commerce and Economic Opportunity
Dates
- Adopted
- No adoption day is recorded
- Effective
- 22 December 2022
- Scheduled expiration
- See completion condition
- Ended
- Not recorded as ended
- Completion condition
- The rules state no expiration.
- Source document
- The source page states no document date
- Last checked
- 23 September 2026 (earlier than tracker date 5 October 2026; not an automatic status change)
Summary
The Department of Commerce and Economic Opportunity's rules at 14 Ill. Adm. Code 521 implement the Data Center Investment program in 20 ILCS 605/605-1025. They were adopted at 47 Ill. Reg. 89 and took effect on 22 December 2022. They set out eligibility, application review, the memorandum of understanding and certificates of exemption, including an initial 5-year certificate renewable in 5-year periods up to 20 years. The opened rules do not mention the Department's 1 July 2026 stop in processing applications.
What this does not establish
- The text is the Administrative Code compilation published by the Joint Committee on Administrative Rules on ilga.gov; its SOURCE line lists only the original adoption, and the Illinois Register was not searched for later amendments.
- The opened rules do not mention the 1 July 2026 stop in processing applications, which is a separate record.
- The rules do not establish that any named facility holds a certificate.
Unresolved questions
None recorded.
Relationships
Supersession means a later instrument replaces the earlier legal effect. Repeal links identify the repeal instrument and the measure it ends. A later implementation or related letter is not treated as a replacement unless the record says so.
- Related, not a replacement Data Center Investment program tax exemptions and credits (In effect)
Sources
https://www.ilga.gov/agencies/JCAR/EntirePart?titlepart=01400521