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HB 3510

Relating to regulating sales of admission tickets to entertainment events.

2025 Regular Session Introduced by Lew Frederick and 3 co-sponsors

Illinois adopts a statewide Stretch Energy Code for higher efficiency; municipalities may adopt it, and Board-funded projects must meet its path.

In committee upon adjournment.
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Bill Summary · HB 3510

Summary — HB 3510 (Public Act 104-0315): Illinois Stretch Energy Code

Status: Enacted as Public Act 104-0315 (104th General Assembly). Effective date: January 1, 2026.
Subject: Amends the Energy Efficient Building Act (20 ILCS 3125/55) to establish an Illinois Stretch Energy Code.

Purpose

To create a statewide “Stretch” energy code that municipalities may adopt to achieve higher building energy performance than the baseline Illinois Energy Conservation Code, and to require Board‑funded or authorized projects to meet the stretch standard pathway for greater energy efficiency.

Key provisions

  • Creates the Illinois Stretch Energy Code with separate residential and commercial components; municipalities may adopt either or both.
  • The Code replaces the Illinois Energy Conservation Code within municipalities that adopt it.
  • Applicability: all projects subject to an energy conservation code that are authorized or funded in whole or in part by the Board after July 1, 2024, must comply with the Stretch Code.
  • Development deadlines (Board to create/adopt and make available for municipal adoption):
    • Development completed and available by June 30, 2024.
  • Residential site energy index (SEI) targets (relative to the 2006 IECC):
    • ≤ 0.50 by June 30, 2024
    • ≤ 0.40 by December 31, 2025 (Board may adopt ≤ 0.42 if unanticipated burdens, provided the relaxed standard is ≥ 0.05 more restrictive than the 2024 IECC)
    • ≤ 0.33 by December 31, 2028 (Board may adopt ≤ 0.35 if unanticipated burdens, only if ≥ 0.05 more restrictive than the 2027 IECC)
    • ≤ 0.25 by December 31, 2031
  • Commercial SEI targets:
    • ≤ 0.60 by June 30, 2024
    • ≤ 0.50 by December 31, 2025
    • ≤ 0.44 by December 31, 2028
    • ≤ 0.39 by December 31, 2031
  • Utilities: municipalities adopting the Stretch Code may use utility programs to support compliance; savings claimed by utilities toward annual goals must be based on reasonable estimates of incremental savings attributable to utility efforts, consistent with referenced sections of the Public Utilities Act.
  • Process: the Capital Development Board must consult and work with the Illinois Energy Code Advisory Council (which will solicit stakeholder input) to advise on interim targets, recommended rules, complementary programs, and to complete recommendations (timing references in the statute are retrospective to 2023, 2024 in certain provisions).

Who is affected

  • Municipalities: may adopt the Stretch Code (it supersedes the state conservation code within adopting jurisdictions).
  • State-funded/Board-authorized projects: required to meet the Stretch Code pathway if funded/authorized after July 1, 2024.
  • Building designers, developers, contractors, and building owners of residential and commercial projects in jurisdictions that adopt the Stretch Code or for Board-funded projects.
  • Utilities: may run programs to support compliance and may count incremental savings toward regulatory goals.
  • State agencies and advisory bodies involved in code development and implementation.

Potential impact

  • Raises minimum performance expectations for building energy use in municipalities that adopt the code and for Board-funded projects, aiming to reduce energy consumption and greenhouse gas emissions.
  • May increase upfront building design and construction costs but produce operational energy savings.
  • Allows flexibility for the Board to relax targets if demonstrated burdens exist, subject to constraints tied to IECC comparators.
  • Establishes a predictable statewide pathway for phased increases in building efficiency through 2031.

Compiled from official sources — confirm details with the bill’s official record.

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