Public Act 104-0315
 
HB3510 EnrolledLRB104 10624 HLH 20700 b

    AN ACT concerning State government.
 
    Be it enacted by the People of the State of Illinois, 
represented in the General Assembly:
 
    Section 5. The Energy Efficient Building Act is amended by 
changing Section 55 as follows:
 
    (20 ILCS 3125/55)
    Sec. 55. Illinois Stretch Energy Code.
    (a) The Board, in consultation with the Agency, shall 
create and adopt the Illinois Stretch Energy Code, to allow 
municipalities and projects authorized or funded by the Board 
to achieve more energy efficiency in buildings than the 
Illinois Energy Conservation Code through a consistent pathway 
across the State. The Illinois Stretch Energy Code shall be 
available for adoption by any municipality and shall set 
minimum energy efficiency requirements, taking the place of 
the Illinois Energy Conservation Code within any municipality 
that adopts the Illinois Stretch Energy Code.
    (b) The Illinois Stretch Energy Code shall have separate 
components for commercial and residential buildings, which may 
be adopted by the municipality jointly or separately.
    (c) The Illinois Stretch Energy Code shall apply to all 
projects to which an energy conservation code is applicable 
that are authorized or funded in any part by the Board after 
July 1, 2024.
    (d) Development of the Illinois Stretch Energy Code shall 
be completed and available for adoption by municipalities by 
June 30, 2024.
    (e) Consistent with the requirements under paragraph (2.5) 
of subsection (g) of Section 8-103B of the Public Utilities 
Act and under paragraph (2) of subsection (j) of Section 8-104 
of the Public Utilities Act, municipalities may adopt the 
Illinois Stretch Energy Code and may use utility programs to 
support compliance with the Illinois Stretch Energy Code. The 
amount of savings from such utility efforts that may be 
counted toward achievement of their annual savings goals shall 
be based on reasonable estimates of the increase in savings 
resulting from the utility efforts, relative to reasonable 
approximations of what would have occurred absent the utility 
involvement.
    (f) The Illinois Stretch Energy Code's residential 
components shall:
        (1) apply to residential buildings as defined under 
    Section 10;
        (2) set performance targets using a site energy index 
    with reductions relative to the 2006 International Energy 
    Conservation Code; and
        (3) include stretch energy codes with site energy 
    index standards and adoption dates as follows: by no later 
    than June 30, 2024, the Board shall create and adopt a 
    stretch energy code with a site energy index no greater 
    than 0.50 of the 2006 International Energy Conservation 
    Code; by no later than December 31, 2026 December 31, 
    2025, the Board shall create and adopt a stretch energy 
    code with a site energy index no greater than 0.40 of the 
    2006 International Energy Conservation Code, unless the 
    Board identifies unanticipated burdens associated with the 
    stretch energy code adopted in 2023 or 2024, in which case 
    the Board may adopt a stretch energy code with a site 
    energy index no greater than 0.42 of the 2006 
    International Energy Conservation Code, provided that the 
    more relaxed standard has a site energy index that is at 
    least 0.05 more restrictive than the 2024 International 
    Energy Conservation Code; by no later than December 31, 
    2029 December 31, 2028, the Board shall create and adopt a 
    stretch energy code with a site energy index no greater 
    than 0.33 of the 2006 International Energy Conservation 
    Code, unless the Board identifies unanticipated burdens 
    associated with the stretch energy code adopted in 2025, 
    in which case the Board may adopt a stretch energy code 
    with a site energy index no greater than 0.35 of the 2006 
    International Energy Conservation Code, but only if that 
    more relaxed standard has a site energy index that is at 
    least 0.05 more restrictive than the 2027 International 
    Energy Conservation Code; and by no later than December 
    31, 2032 December 31, 2031, the Board shall create and 
    adopt a stretch energy code with a site energy index no 
    greater than 0.25 of the 2006 International Energy 
    Conservation Code.
    (g) The Illinois Stretch Energy Code's commercial 
components shall:
        (1) apply to commercial buildings as defined under 
    Section 10;
        (2) set performance targets using a site energy index 
    with reductions relative to the 2006 International Energy 
    Conservation Code; and
        (3) include stretch energy codes with site energy 
    index standards and adoption dates as follows: by no later 
    than June 30, 2024, the Board shall create and adopt a 
    stretch energy code with a site energy index no greater 
    than 0.60 of the 2006 International Energy Conservation 
    Code; by no later than December 31, 2026 December 31, 
    2025, the Board shall create and adopt a stretch energy 
    code with a site energy index no greater than 0.50 of the 
    2006 International Energy Conservation Code; by no later 
    than December 31, 2029 December 31, 2028, the Board shall 
    create and adopt a stretch energy code with a site energy 
    index no greater than 0.44 of the 2006 International 
    Energy Conservation Code; and by no later than December 
    31, 2032 December 31, 2031, the Board shall create and 
    adopt a stretch energy code with a site energy index no 
    greater than 0.39 of the 2006 International Energy 
    Conservation Code.
    (h) The process for the creation of the Illinois Stretch 
Energy Code includes:
        (1) within 60 days after the effective date of this 
    amendatory Act of the 102nd General Assembly, the Capital 
    Development Board shall meet with the Illinois Energy Code 
    Advisory Council to advise and provide technical 
    assistance and recommendations to the Capital Development 
    Board for the Illinois Stretch Energy Code, which shall:
            (A) advise the Capital Development Board on 
        creation of interim performance targets, code 
        requirements, and an implementation plan for the 
        Illinois Stretch Energy Code;
            (B) recommend amendments to proposed rules issued 
        by the Capital Development Board;
            (C) recommend complementary programs or policies;
            (D) complete recommendations and development for 
        the Illinois Stretch Energy Code elements and 
        requirements by December 31, 2023;
        (2) As part of its deliberations, the Illinois Energy 
    Code Advisory Council shall actively solicit input from 
    other energy code stakeholders and interested parties.
(Source: P.A. 102-662, eff. 9-15-21; 103-4, eff. 5-31-23.)