Local Law 97 (LL97) is a landmark piece of legislation in New York City aimed at reducing greenhouse gas emissions from buildings, which are responsible for nearly 70% of the city's total emissions. The law sets strict emissions limits for buildings over 25,000 square feet, with penalties for non-compliance starting in 2024 and progressively tightening through 2050. LL97 helps building owners and operators by providing a clear framework to reduce their carbon footprint and avoid substantial fines.
The Building Decarbonization Calculator incorporates LL97’s methodology and emissions limits, enabling users to easily evaluate how their assets perform against these standards. By instantly testing various carbon reduction measures, users can align their projects with LL97 requirements, ensuring compliance while optimizing energy efficiency and financial outcomes.
The Building Decarbonization Calculator integrates Local Law 97 (LL97) by taking the tool's calculated energy usage and applying LL97-specific carbon factors for electricity and fossil fuels.
For more information on LL97, click here.
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