India’s Energy Conservation Building Code (ECBC), a code which mandates solar water heaters in residential facilities, hotels and hospitals, has recently updated its list and obligated them in all new governmental buildings too.
The secretary of the Ministry of New and Renewable Energy (MNRE) announced the next important step towards more energy efficiency: All new government and public sector buildings in India are obliged to reach at least a three star rating in GRIHA. The Green Rating for Integrated Habitat Assessment (GRIHA) is a national rating system for green buildings, developed under the USAID-ECOIII project, in association with the Bureau of Energy Efficiency (BEE) in India and in accordance with the Energy Conservation Building Code (ECBC) 2007. It covers all aspects of building design which influence the energy demand of a building – such as windows, heating and hot water system, air conditioning and lighting. According to an MNRE press release, rating systems are an effective means to show the performance of buildings and the scope of further improvement in energy-efficient HVAC, solar water heating and lighting systems, and currently there are around 40 projects of various types registered with GRIHA across India”
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