P. Bhagat Singh, Chief Engineer, CPWD, Thiruvananthapuram & Dr. K M Soni, Chief Engineer, CPWD, Mumbai
A zero-energy or a net zero building is a building with zero net energy consumption from outside source, which means that the total amount of energy used by the building on an annual basis is almost equal to the amount of renewal energy produced at site. Such a building is self-sufficient in energy requirements and thus highly energy efficient. It contributes very little greenhouse gases, saves energy produced either from non-renewable or renewable sources somewhere else, and most of such buildings get half or more of their energy from the grid and return the same amount during non-peak hours of their use.
Architectural Concept
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