Indira Paryavaran Bhawan - First On-site Zero Net Energy Building of India

Indira Paryavaran Bhawan in New Delhi is the first zero net energy building constructed in India with passive solar power generation. Due to inadequacy of roof-top area, additional area was provided through cantilever structural arrangement. Net zero energy building is the outcome of energy efficient architectural, structural, material, electrical and air-conditioning design.

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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