Illinois legislation · 104th General Assembly
Illinois HB5818: LOC GOVT-DATA CENTER
Status: Introduced, October 2, 2026
Amends the Counties Code. Allows a county to establish standards for the construction of data centers by ordinance. Provides that the standards may include, without limitation, the size, height, and design of structures and the number of facilities that may be located within a geographic area. Provides that a county may regulate the siting of data centers in unincorporated areas of the county outside of the zoning jurisdiction of a municipality and may establish other specified standards. Sets forth provisions concerning notice and hearings. Provides that any provision of a county zoning ordinance pertaining to data centers that is in effect prior to the effective date may remain in effect. Amends the Illinois Municipal Code. Provides that a municipality may, by ordinance, regulate the siting of data centers within the municipality's zoning jurisdiction, including the 1.5-mile radius surrounding its zoning jurisdiction, and may establish other specified standards. Sets forth provisions concerning notice and hearings.
What the bill says
A bill FOR 104TH GENERAL ASSEMBLY State of Illinois 2025 and 2026HB5818Introduced , by Rep. Christopher "C.D." DavidsmeyerSYNOPSIS AS INTRODUCED: ILCS 5/5-12025 new65 ILCS 5/11-13-30 new 55 ILCS 5/5-12025 new 65 ILCS 5/11-13-30 new ILCS 5/5-12025 new ILCS 5/11-13-30 new Amends the Counties Code. Allows a county to establish standards forthe construction of data centers by ordinance. Provides that the standardsmay include, without limitation, the size, height, and design ofstructures and the number of facilities that may be located within ageographic area…
From the introduced text, October 2, 2026:
A BILL FOR 104TH GENERAL ASSEMBLY State of Illinois 2025 and 2026HB5818Introduced , by Rep. Christopher "C.D." DavidsmeyerSYNOPSIS AS INTRODUCED: ILCS 5/5-12025 new65 ILCS 5/11-13-30 new 55 ILCS 5/5-12025 new 65 ILCS 5/11-13-30 new ILCS 5/5-12025 new ILCS 5/11-13-30 new Amends the Counties Code. Allows a county to establish standards forthe construction of data centers by ordinance. Provides that the standardsmay include, without limitation, the size, height, and design ofstructures and the number of facilities that may be located within ageographic area. Provides that a county may regulate the siting of datacenters in unincorporated areas of the county outside of the zoningjurisdiction of a municipality and may establish other specifiedstandards. Sets forth provisions concerning notice and hearings. Providesthat any provision of a county zoning ordinance pertaining to data centersthat is in effect prior to the effective date may remain in effect. Amendsthe Illinois Municipal Code. Provides that a municipality may, byordinance, regulate the siting of data centers within the municipality'szoning jurisdiction, including the 1.5-mile radius surrounding its zoningjurisdiction, and may establish other specified standards. Sets forthprovisions concerning notice and hearings. LRB104 23374 TRT 39848 b LRB104 23374 TRT 39848 b LRB104 23374 TRT 39848 b A BILL FOR HB5818LRB104 23374 TRT 39848 b HB5818 LRB104 23374 TRT 39848 b HB5818 LRB104 23374 TRT 39848 b AN ACT concerning local government. …