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The vulnerability of refrigerated food to unstable power supplies

Liddiard, RG; Gowreesunker, BL; Spataru, C; Tomei, J; Huebner, G; (2017) The vulnerability of refrigerated food to unstable power supplies. Energy Procedia (In press). Green open access

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Abstract

This paper describes a simplified model for estimating the vulnerability to spoilage of a number of refrigerated foods in households, resulting from interruptions to the electricity power grid. The tool is demonstrated on a sample of three foods (milk, chicken and fish) in India, which historically has suffered significant interruptions. The effect of interruptions is quantified in terms of tonnage and monetary value of potential losses, in a number of simple scenarios. These losses are estimated for rural and urban areas of each Indian state. Our model indicates that extensions to the duration of power supply interruptions increases potential losses in domestic refrigerators, and that these losses are considerable when compared to losses expected in previous stages of the food supply chain. The current model’s estimation of weight of food lost may be converted to a nutritional value, which opens an opportunity for new multidisciplinary areas of research.

Type: Article
Title: The vulnerability of refrigerated food to unstable power supplies
Event: 1st International Conference on Sustainable Energy and Resource Use in Food Chains, ICSEF 2017
Location: Windsor, UK
Dates: 19 April 2017 - 21 April 2017
Open access status: An open access version is available from UCL Discovery
Language: English
Keywords: Food waste; food loss; refrigeration; grid supply; power interruption
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of the Built Environment
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of the Built Environment > Bartlett School Env, Energy and Resources
URI: https://discovery.ucl.ac.uk/id/eprint/1571050
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