Maharashtra notifies draft Energy Conservation Building Code Rules 2025
The Government of Maharashtra released draft Energy Conservation Building Code Rules 2025, setting mandatory energy efficiency standards for commercial buildings with 100 kW or more connected load. The move formalises ECBC compliance within the state and raises ESG obligations for commercial developers and operators across Maharashtra.
Maharashtra released the draft Energy Conservation Building Code Rules 2025 to establish mandatory energy efficiency standards for commercial buildings, aligning with the national ECBC framework from the Bureau of Energy Efficiency. The ECBC, introduced by BEE in 2007 and updated in 2017, applies to commercial buildings with a connected load of 100 kW or more, or contract demand of 120 kVA or more. While 23 states have already notified ECBC rules, Maharashtra is formalising its framework through these draft rules.
New commercial constructions, including offices, hotels, hospitals, shopping complexes, multiplexes, and major retrofitting projects, are directly covered. Key provisions address building envelope standards, energy-efficient HVAC, lighting, electrical power systems, and renewable energy integration. The rules classify compliance into three tiers, ECBC Compliant, ECBC+, and Super ECBC, representing ascending efficiency levels. Developers and operators of large commercial properties across Maharashtra must align designs with these standards once notified.
Affected entities should track the draft's establishment of a state-level ECBC cell for capacity building, awareness, and technical support, and the mandated appointment of Third-Party Assessors for compliance verification, modelled on Telangana and Andhra Pradesh. Compliance will reduce commercial-sector energy consumption and greenhouse gas emissions while improving the state's appeal to ESG-focused investors. Developers should review their projects against the three-tier classification and prepare for verification before final notification.
Key figure — Applicability threshold: connected load of 100 kW or contract demand of 120 kVA
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