Improving the SDG energy poverty targets: residential cooling needs in the Global South

Mastrucci, A. ORCID: https://orcid.org/0000-0002-5611-7780, Byers, E. ORCID: https://orcid.org/0000-0003-0349-5742, Pachauri, S. ORCID: https://orcid.org/0000-0001-8138-3178, & Rao, N. ORCID: https://orcid.org/0000-0003-1888-5292 (2019). Improving the SDG energy poverty targets: residential cooling needs in the Global South. Energy and Buildings 186 405-415. 10.1016/j.enbuild.2019.01.015.

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Project: Energy and emissions thresholds for providing decent living standards to all (DecentLivingEnergy, H2020 637462)

Abstract

With growing health risks from rising temperatures in the Global South, the lack of essential indoor cooling is increasingly seen as a dimension of energy poverty and human well-being. Air conditioning (AC) is expected to increase significantly with rising incomes, but it is likely that many who need AC will not have it. We estimate the current location and extent of populations potentially exposed to heat stress in the Global South. We apply a variable degree days (VDD) method on a global grid to estimate the energy demand required to meet these cooling needs, accounting for spatially explicit climate, housing types, access to electricity and AC ownership.

Our results show large gaps in access to essential space cooling, especially in India, South-East Asia and sub-Saharan Africa. Between 1.8 to 4.1 billion, depending on the required indoor temperatures and days of exposure, may need AC to avoid heat related stresses under current climate and socio-economic conditions. This number far exceeds the energy poverty gap indicated by the Sustainable Development Goal for electricity access (SDG7). Covering this cooling gap would entail a median energy demand growth of 14% of current global residential electricity consumption, primarily for AC. Solutions beyond improved AC efficiency, such as passive building and city design, innovative cooling technologies, and parsimonious use of AC will be needed to ensure essential cooling for all with minimized environmental damage. Meeting the essential cooling gap, as estimated by this study, can have important interactions with achieving several of the SDGs.

Item Type: Article
Uncontrolled Keywords: Sustainable development goals; Heat stress; Developing countries; Cooling; Decent housing; Poverty; Energy needs
Research Programs: Energy (ENE)
Depositing User: Luke Kirwan
Date Deposited: 07 Feb 2019 09:26
Last Modified: 27 Aug 2021 17:31
URI: https://pure.iiasa.ac.at/15739

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