SECTION 1. Section 6 of chapter 25A of the General Laws, as appearing in the 2018 Official Edition, is hereby amended by inserting, after subsection 13, the following subsection:-

(14) develop and adopt, as an appendix to the state building code, in consultation with the board of building regulations and standards, a municipal opt-in specialized stretch energy code that includes, but is not limited to, a definition of net-zero building.

SECTION 2. Any undertaking by a Federal, State, County, Municipal, or quasi-Governmental public agency for the planning, acquisition, design, construction, demolition, installation, repair or maintenance of a structure shall comply with the requirement of the specialized stretch energy code, as established in section 1 of this act.

SECTION 3. Section 6 of said chapter 25A of the General Laws, as so appearing, is hereby amended by inserting, after subsection 14, the following subsection:-

(15) develop and incorporate into the state building code, in consultation with the board of building regulations and standards, requirements for preparing a structure for the future installation of electric appliances or equipment sufficient to replace appliances or equipment that consume fuel oil or fuel gas where doing so is likely to avoid costly future retrofits, preparing the building for future potential installation of solar panels where doing so is likely to avoid costly retrofits, and preparing the building for future installation of electric vehicle charging infrastructure where doing so is likely to avoid costly retrofits; and ensuring that the on-site electrical infrastructure including but not limited to circuit breakers and electrical infrastructure providing power to the building can accommodate future installation of electric appliances, solar panels, and electric vehicle charging infrastructure where doing so is likely to avoid costly retrofits.