{"id":1317,"date":"2024-03-26T11:01:32","date_gmt":"2024-03-26T03:01:32","guid":{"rendered":"https:\/\/buenoanalytics.com\/?p=1317"},"modified":"2025-10-08T15:48:26","modified_gmt":"2025-10-08T04:48:26","slug":"what-is-local-law-97-ll97","status":"publish","type":"post","link":"https:\/\/buenoanalytics.com\/uk\/news\/what-is-local-law-97-ll97\/","title":{"rendered":"What is Local Law 97 (LL97)"},"content":{"rendered":"
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Local Law 97 (LL97), part of New York City\u2019s Climate Mobilization Act, mandates ambitious carbon emissions reductions for buildings over 25,000 square feet. Starting in 2024, this regulation applies stringent limits on carbon emissions, targeting a citywide reduction in greenhouse gas emissions of 40% by 2030 and 80% by 2050. LL97 impacts both commercial and residential buildings, making compliance essential for property owners, managers, and operators who must meet these goals or face penalties.<\/p>\n\n

Why Local Law 97 Matters for Building Owners and Managers<\/strong><\/h6>\n\n

Buildings in NYC account for nearly 70% of the city\u2019s total carbon emissions, primarily due to heating, cooling, and lighting systems. LL97 targets these sources by setting annual emissions limits that decrease over time. Non-compliance penalties start in 2024 and can escalate significantly if the building exceeds its emissions limits, creating a financial incentive to reduce emissions through energy efficiency and sustainable operations.<\/p>\n\n

For building owners and managers, LL97 isn\u2019t just about avoiding fines; it\u2019s about maintaining property value, staying competitive, and contributing to New York City\u2019s sustainability goals. Achieving compliance with LL97 necessitates a thorough approach to monitoring and reducing building emissions, and Bueno\u2019s analytics platform is designed to support this.<\/p>\n\n

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Key Compliance Deadlines for LL97<\/strong><\/h6>\n\n
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  1. 2024 – Initial Compliance Date:<\/strong>
    Starting in 2024, buildings must meet their first set of emissions limits. Failure to do so will result in fines calculated based on the excess emissions produced.<\/li>\n\n
  2. 2030 – Stricter Emissions Limits:<\/strong>
    By 2030, emissions limits will become even tighter, pushing buildings to implement more sustainable and advanced energy strategies to achieve significant reductions.<\/li>\n\n
  3. 2050 – Carbon Neutrality Target:<\/strong>
    New York City aims for an 80% reduction in carbon emissions by 2050, bringing most buildings close to net-zero emissions.<\/li>\n<\/ol>\n\n

    Each compliance period encourages incremental reductions, fostering continuous improvement in building energy performance. However, this staged approach requires effective monitoring and data analysis to track progress and adjust strategies, especially as limits tighten over time.<\/p>\n\n

    Building Emissions and How They\u2019re Calculated<\/strong><\/h6>\n\n

    LL97 uses a standardised calculation to determine allowable emissions limits, based on a building’s occupancy type and total area. The emissions formula factors in:<\/p>\n\n