General equilibrium impact evaluation of food top-up induced by households’ renewable power self-supply in 141 regions

Nguyen, Duong Binh and Nong, Duy and Simshauser, Paul and Nguyen-Huy, Thong ORCID: https://orcid.org/0000-0002-2201-6666 (2022) General equilibrium impact evaluation of food top-up induced by households’ renewable power self-supply in 141 regions. Applied Energy, 306 (Part B). ISSN 0306-2619

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Abstract

This article employs a global computable general equilibrium economic model (GTAP-E-PowerS) to examine the impact on the world economy if households in every country self-supply power to meet 30–100% of residential demand, with subsequent monetary savings diverted to consuming more food. Results show the power generation sector reduces output levels by 14%–42% across various countries if households 100% self-supply. Coal mining sectors are adversely affected in numerous countries with contractions of 9%–28% ($6,086-$18,935 million) in the United States and 4%–13% ($2,505–$8,143 million) in Australia. Improved outcomes for the world environment are found with reductions of CO2e emission levels of 2.24%–7.38% (or 924–3,042 MtCO2 equivalent). The agriculture and food-processing sectors expand significantly in many countries but also cause major increases in land prices, particularly in land-scarce countries in Middle East, Europe, Japan, and Taiwan. Results also show the security of food and energy supply are improved along with environmental gains from lower emission levels. However, the energy sector is adversely affected and those countries with a heavy reliance on fossil fuel extraction and mining activities experience significant reductions in real GDP.


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Item Type: Article (Commonwealth Reporting Category C)
Refereed: Yes
Item Status: Live Archive
Additional Information: This is an open access article under the CC BY-NC-ND license.
Faculty/School / Institute/Centre: Current - Institute for Life Sciences and the Environment - Centre for Applied Climate Sciences (1 Aug 2018 -)
Faculty/School / Institute/Centre: Current - Institute for Life Sciences and the Environment - Centre for Applied Climate Sciences (1 Aug 2018 -)
Date Deposited: 08 Nov 2021 05:47
Last Modified: 08 Nov 2021 05:56
Uncontrolled Keywords: solar home systemrooftop; solar photovoltaic (PV);GTAP-E-PowerS model; Sustainable Development Goal 1 (SDG 1);SDG 7; SDG 13
Fields of Research (2008): 14 Economics > 1402 Applied Economics > 140205 Environment and Resource Economics
Fields of Research (2020): 46 INFORMATION AND COMPUTING SCIENCES > 4606 Distributed computing and systems software > 460606 Energy-efficient computing
Socio-Economic Objectives (2008): B Economic Development > 85 Energy > 8505 Renewable Energy > 850599 Renewable Energy not elsewhere classified
Socio-Economic Objectives (2020): 17 ENERGY > 1701 Energy efficiency > 170103 Residential energy efficiency
20 HEALTH > 2004 Public health (excl. specific population health) > 200405 Food safety
Funding Details:
Identification Number or DOI: https://doi.org/10.1016/j.apenergy.2021.118126
URI: http://eprints.usq.edu.au/id/eprint/44137

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