Legislation: batch B — IL IN KS KY LA MA MD ME MI MN

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

legislation/us/states/il/104th/hb-3510.md

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+---
+type: "Bill"
+title: "BUILDING-STRETCH CODES"
+description: "Amends the Energy Efficient Building Act. Makes changes to adoption dates for the stretch energy codes with site energy index standards."
+jurisdiction: "us/states/il"
+legislature: "Illinois General Assembly"
+session: "104th"
+identifier: "HB 3510"
+citation: "Illinois HB 3510 (104th)"
+classification: ["bill"]
+subjects: []
+status: "enacted"
+primary_sponsors: ["Bill Cunningham", "Matt Hanson"]
+version_count: 5
+action_count: 37
+vote_count: 5
+first_action: "2025-02-07"
+last_action: "2025-08-15"
+source: "openstates"
+source_identifier: "ocd-bill/19f08206-da06-4629-b248-07ba7ae87de7"
+source_url: "https://ilga.gov/Legislation/BillStatus?DocNum=3510&GAID=18&DocTypeID=HB&LegId=162195&SessionID=114"
+source_hash: "4ed2b94a6d1239c1fcfb7451572c33d0a1d163541ffa313c3449e73f8e971ed1"
+vintage: "2026-07-01"
+source_snapshot: "https://data.openstates.org/daily/2026-07-01/public.pgdump"
+retrieved_at: "2026-07-06"
+confidence: "reported"
+tags: ["legislation", "bill", "us-il"]
+---
+
+# Illinois HB 3510 (104th) — BUILDING-STRETCH CODES
+
+Amends the Energy Efficient Building Act. Makes changes to adoption dates for the stretch energy codes with site energy index standards.
+
+## Version chain
+
+The bill's text revisions, in order — the diff chain from filing to enrollment.
+
+1. **Introduced** (filed) — [source](https://ilga.gov/documents/legislation/104/HB/PDF/10400HB3510.pdf)
+2. **Engrossed** (committee substitute) — [source](https://ilga.gov/documents/legislation/104/HB/PDF/10400HB3510eng.pdf)
+3. **House Amendment 001** (committee substitute) — [source](https://ilga.gov/documents/legislation/104/HB/PDF/10400HB3510ham001.pdf)
+4. **House Amendment 002** (committee substitute) — [source](https://ilga.gov/documents/legislation/104/HB/PDF/10400HB3510ham002.pdf)
+5. **Enrolled** (enrolled) — [source](https://ilga.gov/documents/legislation/104/HB/PDF/10400HB3510enr.pdf)
+
+## Votes
+
+- Energy & Environment — **15–5** (pass) · lower
+- Energy & Environment, Amendment 2 — **17–8** (pass) · lower
+- Energy and Public Utilities — **8–4** (pass) · upper
+- Third Reading — **42–16** (pass) · upper
+- Third Reading — **76–38** (pass) · lower
+
+## Sponsors
+
+- Bill Cunningham — primary (person)
+- Matt Hanson — primary (person)
+- Dave Vella — cosponsor (person)
+
+## Timeline
+
+The legislative action history — every referral, reading, and vote.
+
+- **2025-02-07** Filed with the Clerk by Rep. Dave Vella `filing`
+- **2025-02-18** First Reading `reading-1`
+- **2025-02-18** Referred to Rules Committee
+- **2025-03-11** Assigned to Energy & Environment Committee `referral-committee`
+- **2025-03-18** House Committee Amendment No. 1 Filed with Clerk by Rep. Dave Vella `amendment-introduction`
+- **2025-03-18** House Committee Amendment No. 1 Referred to Rules Committee
+- **2025-03-18** Do Pass / Short Debate Energy & Environment Committee; 015-005-000
+- **2025-03-18** House Committee Amendment No. 1 Tabled `amendment-failure`
+- **2025-03-19** Placed on Calendar 2nd Reading - Short Debate `reading-2`
+- **2025-03-25** Second Reading - Short Debate `reading-2`
+- **2025-03-25** Placed on Calendar Order of 3rd Reading - Short Debate
+- **2025-04-03** Chief Sponsor Changed to Rep. Matt Hanson
+- **2025-04-03** Added Chief Co-Sponsor Rep. Dave Vella
+- **2025-04-07** House Floor Amendment No. 2 Filed with Clerk by Rep. Matt Hanson `amendment-introduction`
+- **2025-04-07** House Floor Amendment No. 2 Referred to Rules Committee
+- **2025-04-08** House Floor Amendment No. 2 Rules Refers to Energy & Environment Committee
+- **2025-04-08** House Floor Amendment No. 2 Recommends Be Adopted Energy & Environment Committee; 017-008-000 `committee-passage-favorable`
+- **2025-04-10** Recalled to Second Reading - Short Debate `reading-2`
+- **2025-04-10** House Floor Amendment No. 2 Adopted `amendment-passage`
+- **2025-04-10** Placed on Calendar Order of 3rd Reading - Short Debate
+- **2025-04-10** Third Reading - Short Debate - Passed 076-038-000 `passage, reading-3`
+- **2025-04-14** Arrive in Senate `introduction`
+- **2025-04-14** Placed on Calendar Order of First Reading `reading-1`
+- **2025-04-14** Chief Senate Sponsor Sen. Bill Cunningham
+- **2025-04-14** First Reading `reading-1`
+- **2025-04-14** Referred to Assignments
+- **2025-04-29** Assigned to Energy and Public Utilities `referral-committee`
+- **2025-05-08** Do Pass Energy and Public Utilities; 008-004-000
+- **2025-05-08** Placed on Calendar Order of 2nd Reading May 13, 2025 `reading-2`
+- **2025-05-13** Second Reading `reading-2`
+- **2025-05-13** Placed on Calendar Order of 3rd Reading May 14, 2025
+- **2025-05-22** Third Reading - Passed; 042-016-000 `passage, reading-3`
+- **2025-05-22** Passed Both Houses
+- **2025-06-20** Sent to the Governor `executive-receipt`
+- **2025-08-15** Governor Approved `executive-signature`
+- **2025-08-15** Effective Date January 1, 2026
+- **2025-08-15** Public Act . . . . . . . . . 104-0315 `became-law`
+
+## Source
+
+OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/19f08206-da06-4629-b248-07ba7ae87de7`. Confidence: reported (aggregated from official Illinois legislature records).
+