DARK SKY ACT
Introduced
Moved
Reached a final decision
Became law
Derived from the official record below.
Officially: “DARK SKY ACT” Read the full text
Official title shown verbatim from the official record. Plain-language summary coming as coverage deepens. Not legal advice.
104th General Assembly
Where it is
Show all 53 actions
Filed with Secretary by Sen. Laura Ellman · Jan 29, 2026
Senate
Referred to Assignments · Jan 29, 2026
Senate
Assigned to State Government · Feb 10, 2026
Senate
Senate Committee Amendment No. 1 Filed with Secretary by Sen. Laura Ellman · Mar 6, 2026
Senate
Senate Committee Amendment No. 1 Referred to Assignments · Mar 6, 2026
Senate
Senate Committee Amendment No. 1 Assignments Refers to State Government · Mar 10, 2026
Senate
Rule 2-10 Committee Deadline Established As March 27, 2026 · Mar 13, 2026
Senate
Rule 2-10 Committee Deadline Established As April 24, 2026 · Mar 27, 2026
Senate
Senate Committee Amendment No. 2 Filed with Secretary by Sen. Laura Ellman · Apr 13, 2026
Senate
Senate Committee Amendment No. 2 Referred to Assignments · Apr 13, 2026
Senate
Senate Committee Amendment No. 2 Assignments Refers to State Government · Apr 14, 2026
Senate
Senate Committee Amendment No. 3 Filed with Secretary by Sen. Laura Ellman · Apr 15, 2026
Senate
Senate Committee Amendment No. 3 Referred to Assignments · Apr 15, 2026
Senate
Senate Committee Amendment No. 3 Assignments Refers to State Government · Apr 15, 2026
Senate
Senate Committee Amendment No. 3 Adopted · Apr 15, 2026
Senate
Do Pass as Amended State Government; 009-000-000 · Apr 15, 2026
Senate
Placed on Calendar Order of 2nd Reading April 16, 2026 · Apr 15, 2026
Senate
Placed on Calendar Order of 3rd Reading April 28, 2026 · Apr 16, 2026
Senate
Rule 2-10 Third Reading Deadline Established As May 8, 2026 · Apr 17, 2026
Senate
Senate Committee Amendment No. 1 Tabled Pursuant to Rule 5-4(a) · Apr 29, 2026
Senate
Senate Committee Amendment No. 2 Tabled Pursuant to Rule 5-4(a) · Apr 29, 2026
Senate
Added as Chief Co-Sponsor Sen. Rachel Ventura · Apr 29, 2026
Senate
Added as Co-Sponsor Sen. Mike Simmons · Apr 29, 2026
Senate
Arrived in House · Apr 29, 2026
House
Chief House Sponsor Rep. Janet Yang Rohr · Apr 30, 2026
House
Referred to Rules Committee · May 5, 2026
House
Assigned to State Government Administration Committee · May 5, 2026
House
Committee Deadline Extended-Rule 9(b) May 15, 2026 · May 7, 2026
House
Do Pass / Short Debate State Government Administration Committee; 006-002-000 · May 13, 2026
House
Placed on Calendar 2nd Reading - Short Debate · May 14, 2026
House
Placed on Calendar Order of 3rd Reading - Short Debate · May 19, 2026
House
House Floor Amendment No. 1 Filed with Clerk by Rep. Janet Yang Rohr · May 21, 2026
House
House Floor Amendment No. 1 Referred to Rules Committee · May 21, 2026
House
Added Alternate Chief Co-Sponsor Rep. Maura Hirschauer · May 21, 2026
House
Added Alternate Chief Co-Sponsor Rep. Laura Faver Dias · May 21, 2026
House
House Floor Amendment No. 1 Recommends Be Adopted Rules Committee; 003-002-000 · May 21, 2026
House
Third Reading/Final Action Deadline Extended-9(b) May 31, 2026 · May 22, 2026
House
Recalled to Second Reading - Short Debate · May 27, 2026
House
House Floor Amendment No. 1 Adopted by Voice Vote · May 27, 2026
House
Placed on Calendar Order of 3rd Reading - Short Debate · May 27, 2026
House
Added Alternate Co-Sponsor Rep. Martha Deuter · May 27, 2026
House
Secretary's Desk - Concurrence House Amendment(s) 1 · May 28, 2026
Senate
Placed on Calendar Order of Concurrence House Amendment(s) 1 - May 29, 2026 · May 28, 2026
Senate
House Floor Amendment No. 1 Motion to Concur Filed with Secretary Sen. Laura Ellman · May 28, 2026
Senate
House Floor Amendment No. 1 Motion to Concur Referred to Assignments · May 28, 2026
Senate
House Floor Amendment No. 1 Motion to Concur Assignments Referred to State Government · May 28, 2026
Senate
House Floor Amendment No. 1 Motion To Concur Recommended Do Adopt State Government; 007-000-000 · May 29, 2026
Senate
House Floor Amendment No. 1 Senate Concurs 057-000-000 · May 31, 2026
Senate
Senate Concurs · May 31, 2026
Senate
Passed Both Houses · May 31, 2026
Senate
Sent to the Governor · Jun 29, 2026
Senate
Governor Approved · Aug 7, 2026
Senate
Effective Date January 1, 2027 · Aug 7, 2026
Senate
The numbers
7
sponsors on the bill
Sponsors
Recorded votes
CONCUR IN HOUSE AMENDMENTSenate · 2026-05-31 · CONCURRENCE · YEAS 57, NAYS 0, PRESENT 0
THIRD READINGHouse · 2026-05-27 · PASSED · NAYS 36, PRESENT 0, YEAS 75
THIRD READINGSenate · 2026-04-29 · YEAS 54, NAYS 0, PRESENT 0
Roll-call results shown verbatim from the Illinois legislature’s records. A result reflects that roll call’s own motion, not the bill’s overall outcome.
Every fact on this page links to its source, starting with the official bill record. Last action: Effective Date January 1, 2027 (Aug 7, 2026).