Illinois HB 4989: DATA CENTER HEATING/COOLING

Bill Text

• 

 Illinois General Assembly - Full Text of HB4989 

• 

• 

• 

• 

• 

• 

• 

• 

• 

• 

• 

• 

 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.

 Choose Language 

 English 

 Afrikaans 

 Albanian 

 Arabic 

 Armenian 

 Azerbaijani 

 Basque 

 Bengali 

 Bosnian 

 Catalan 

 Croatian 

 Czech 

 Danish 

 Dutch 

 Esperanto 

 Estonian 

 Filipino 

 Finnish 

 French 

 Galician 

 Georgian 

 German 

 Greek 

 Gujarati 

 Haitian Creole 

 Hausa 

 Hawaiian 

 Hebrew 

 Hindi 

 Hungarian 

 Icelandic 

 Indonesian 

 Interlingua 

 Interlingue 

 Inuktitut 

 Irish 

 Italian 

 Japanese 

 Javanese 

 Kannada 

 Khmer 

 Korean 

 Latin 

 Latvian 

 Lithuanian 

 Luxembourgish 

 Macedonian 

 Malagasy 

 Malayalam 

 Maltese 

 Maori 

 Marathi 

 Myanmar 

 Nepali 

 Norwegian 

 Odia 

 Pashto 

 Punjabi 

 Romanian 

 Russian 

 Samoan 

 Sango 

 Sanskrit 

 Sardinian 

 Sindhi 

 Sinhala 

 Slovak 

 Slovenian 

 Somali 

 Southern Sotho 

 Spanish 

 Sundanese 

 Swahili 

 Swedish 

 Tamil 

 Telugu 

 Thai 

 Tigrinya 

 Tonga 

 Turkish 

 Ukrainian 

 Urdu 

 Vietnamese 

 Welsh 

 Xhosa 

 Yiddish 

 Yoruba 

 Zulu 

 Powered by Translate 

 Close 

 Illinois General Assembly

 Top Navigation Bar

 Translate 

 Learn 

 Select General Assembly 

 Search the 104th General Assembly 

 Enter search terms for legislation, members, committees, or schedules. 

 ILGA.GOV 

• 

• 

 LEGISLATION & LAWS 

• Bills & Resolutions 

• Public Acts 

• Illinois Compiled Statutes 

• Illinois Constitution 

• Search Legislation 

• Glossary 

• Guide 

• 

 Reports & Inquiry 

• Legislative Reports 

• Special Reports 

• FTP Site 

• Legislator Lookup 

• Capitol Complex Phone Numbers 

• 

 Rules & Regulations 

• Illinois Register 

• Administrative Rules 

• 

 Senate 

• 
 Members 

• Schedules 

• Committees 

• 

 Request for Remote Testimony 

• Journals 

• Transcripts 

• Rules 

• Audio/Video 

• FOIA Information 

• Senate Employment Opportunities 

• Media Guidelines 

• 

 House 

• 
 Members 

• Schedules 

• Committees 

• 

 Submit testimony for House Committees 

• Journals 

• Transcripts 

• Rules 

• Audio/Video 

• FOIA Information 

• House Employment Opportunities 

• Log In 

 Mobile Top Bar

 Search the 104th General Assembly 

 Enter keywords to search the Illinois General Assembly website. 

 Full Text of HB4989

• Home 

• Legislation 

• Full Text 

 HB4989 - 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
HB4989

Introduced , by Rep. Kimberly Du Buclet 

SYNOPSIS AS INTRODUCED:

New Act

 Creates the Data Center Heating and Cooling Act. Defines "air to water heat exchanger" and "data center". Provides that any new or existing data center in the State shall adopt a heat energy reuse plan that involves the use of an air to water heat exchanger to help heat homes and businesses in the area around the data center. Provides that any data center constructed on or after the effective date of the Act that has an aggregate demand load of 20 megawatts or more shall have a liquid cooling system, such as direct-to-chip cooling or immersion cooling, incorporated into the data center. Effective January 1, 2027.

LRB104 17645 AAS 31076 b

A BILL FOR

HB4989LRB104 17645 AAS 31076 b

1 AN ACT concerning regulation.

2 Be it enacted by the People of the State of Illinois, 

3represented in the General Assembly:

4 Section 1. Short title. This Act may be cited as the Data 

5Center Heating and Cooling Act.

6 Section 5. Definitions. As used in this Act:

7 "Air to water heat exchanger" means a mechanism that 

8recaptures any heat produced into water loops, which can then 

9be redirected to local heating systems.

10 "Data center" has the meaning given to that term in 

11subsection (c) of Section 605-1025 of the Department of 

12Commerce and Economic Opportunity Law of the Civil 

13Administrative Code of Illinois. 

14 Section 10. Data center heating and cooling mechanisms.

15 (a) Any new or existing data center in this State shall 

16adopt a heat energy reuse plan that involves the use of an air 

17to water heat exchanger to help heat homes and businesses in 

18the area around the data c