What is ECBC?

What is ECBC?

Energy Conservation Building Code (ECBC) sets the minimum energy performance standards for “large commercial buildings” after taking into account the five major climatic regions of India. It comprises five major building components, i.e. Building Envelope, Lighting, HVAC, Service Hot water and Electrical power. There are some mandatory requirements and as well as prescriptive requirements to follow for ECBC compliance of the building.

  • Building Envelope sets standards for Opaque construction, Fenestration, Air Leakages and Cool Roofs. It is estimated that optimisation of Building envelope can lead to minimum 15 to 20% of energy savings.
  • HVAC module sets standards for Refrigerative and Non- Refrigerative Cooling, Whole building design approach, Building commissioning and System balancing. Optimisation of HVAC can lead to minimum 26% of Energy savings.
  • Lighting section sets standards for efficient fixtures & lamps, efficient layout, daylight integration and lighting controls. Optimisation of lighting and lighting controls can lead to minimum 19% of Energy savings.

It has been calculated that optimisation if Building Envelope, Lighting, Controls for HVAC and Efficient Chillers can reduce 40 to 60% of Energy Consumption.

Now, The Energy Conservation Building Code 2017 (ECBC 2017) was launched by Minister of State (IC) for Power, Coal, New and Renewable Energy and Mines. It has been developed by

Ministry of Power and Bureau of Energy Efficiency (BEE), with technical support from United States Agency for International Development (USAID) under the U.S.-India bilateral Partnership to Advance Clean Energy – Deployment Technical Assistance (PACE-D TA) Program.

It prescribes the energy performance standards for new commercial buildings to be constructed across India. ECBC 2017 sets parameters for builders, designers and architects to integrate renewable energy sources in building design with the inclusion of passive design strategies. The code aims to optimise energy savings with the comfort levels for occupants, and prefers life-cycle cost effectiveness to achieve energy neutrality in commercial buildings.

  • Buildings need to demonstrate minimum energy savings of 25% to be considered as ECBC-compliant.
  • Additional improvements in energy efficiency would lead to higher grades like ECBC Plus (savings of 35%) or Super ECBC (savings of 50%).
  • Adoption of ECBC 2017 for new commercial buildings throughout India will lead to estimated reduction of 50% in energy use by 2030. This will be equivalent to expenditure savings of Rs 35,000 crore and 250 million tonnes of CO2 reduction.
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