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Energy efficiency crucial from initial stages: CEPT

DNAHM75213 | 9/23/2014 | Author : Tanushree Bhatia | WC :373

By 2050, Indian households may fail to save 60% of their energy bills if they continue current construction practices
saving energy

Unless aggressive policies are introduced to implement energy efficiency measures from the initial construction stages of residential buildings, Indian households could miss out on saving nearly 60% of their energy bills by 2050, states a report published by CEPT and Global Buildings Performance Network (GBPN).
This new study provides decision makers with recommendations about future actions to achieve deep energy savings from the residential building sector while generating a wide range of positive economic, environmental and social opportunities.
The report on ‘Residential Buildings in India: Energy use projections and savings potentials’ will be published on Tuesday. The study provides a first attempt to document energy saving potentials that our residential sector could achieve by 2050.
About 800 residential buildings were surveyed under the study under four climatic conditions. The researchers found that large energy savings potentials are locked-in during a building’s normal life span of 50-60 years. The report concludes that with direct policy action in the residential sector, it is possible to realize 57% of energy savings by 2050.
Professor Rajan Rawal, director of the Centre for Advanced Research in Building Science and Energy at CEPT University said: “Due to constant increase of income, consumer purchasing power is predicted to grow – leading to greater use of domestic appliances.”
He further added:“We conducted a high quality field survey of 800 households in order to map current penetration rate of appliances and better understand electricity consumption patterns for different sizes of residential units ... we quantified comfort benefits and the energy savings potentials of better performing building envelopes using the Energy Conservation Building Code characteristics.”
Peter Graham, GBPN executive director said, “As energy consumption from residential buildings is predicted to rise by more than eight times by 2050, it is of vital importance for India to develop energy efficiency strategies focused on the residential sector to limit the current trend of unsustainable escalating energy demand.”
The report mentions:
 22% of all energy used in India is used by the residential sector
 By 2030 India will have added more than 20 billion sq ft of new building floor area
 85-90 % of the new constructions expected by 2030 will be for residential purposes
 Overall energy use by the residential sector is projected to grow by 800% by 2050



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