Abstract

Energy planning in many developing Asian countries has neglected the structure of energy demand and how it is likely to evolve as development takes its path. The limited availability of energy consumption data makes it very difficult to assess the energy savings potential at end-use level. Energy planning requires the formulation of a proper modelling framework that supports the definition of energy policies. From the different approaches available, Input - Output (I-O) models are particularly useful, since they allow considering different impacts that can be consistent with different energy policy options. This paper proposes a novel I-O modelling framework by introducing a bottom-up approach into an I-O model which is combined with technical data for the holistic assessment of energy efficient technologies in the residential sector, which can assist energy decision-makers of India on the appraisal of the future impacts of the current national energy saving targets. A large size platform of real data has also been gathered considering different data sources, namely the household building stock characterization, the number of operating days according to the climatic regions of India, the lifetime and the investment cost of equipment. Finally, the main results are discussed and future research opportunities are identified.

Highlights

  • In 2012 the residential sector was responsible for consuming nearly one fourth of total world electricity consumption [1]

  • This paper presents an Input - Output (I-O) framework instantiated with real data which provides an integrated assessment of the E3S impacts of nine energy efficient appliances currently used in India's residential sector, i.e. lighting sources (TFL), refrigerators (FR), room air-conditioners (RAC), water, electric heaters (EG), televisions (TV), computers (COM), ceiling fans (CF), water pumps (WEP) and washing machines (WM)

  • An I-O lifecycle assessment modelling approach has been suggested which allows obtaining several projections regarding the assessment of the E3S impacts associated with the replacement of less efficient appliances (BAU) with BAT appliances from the year 2011e2030

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Summary

Introduction

In 2012 the residential sector was responsible for consuming nearly one fourth of total world electricity consumption [1]. I-O analysis provides a modelling approach that can be useful to compute the primary energy and GHG embodied in final demand [29] In this context, this paper presents an I-O framework instantiated with real data which provides an integrated assessment of the E3S impacts of nine energy efficient appliances currently used in India's residential sector, i.e. lighting sources (TFL), refrigerators (FR), room air-conditioners (RAC), water, electric heaters (EG), televisions (TV), computers (COM), ceiling fans (CF), water pumps (WEP) and washing machines (WM). Since official published I-O data do not provide the clear identification of the E3S impacts that are likely to be created by an increase in the demand for the use of a typical BAT/BAU appliance, of the paper we provide a thorough explanation of

A new framework for assessing energy efficient appliances
Assumptions and estimates
Household projections
Appliance ownership and sales
Selection of appliances
Discussion of results
Energy consumption
Avoided energy costs
Economic impacts
Environmental impacts
Findings
Social impacts
Conclusions and future work developments

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