Unveiling the energy consumption-food waste nexus in households: A focus on key predictors of food waste generation

Luis Izquierdo-Horna, Ramzy Kahhat, Ian Vázquez-Rowe

Research output: Contribution to journalArticlepeer-review


In most cities worldwide, household food waste constitutes a significant portion of municipal solid waste (MSW). However, its management often proves inadequate due to the insufficient resources allocated to waste management systems, the omission of the resource potential in MSW, and the lack of recognition of household food waste drivers for forecasting generation in specific geographical contexts. This research aims to identify social, economic, and environmental variables serving as proxies to forecast household food waste generation. To achieve this, a multiple linear regression model was proposed to assess the relationship between cooking fuel type (i.e., liquefied petroleum gas, natural gas, and electricity), land use categories (i.e., commercial, industrial, and residential), population density, expenditure on in-house food consumption, and household food waste generation. Three alternate modeling scenarios were considered based on available data, with Lima, Peru, serving as a case study. The results indicate that the combined consumption of liquefied petroleum gas and natural gas, and electricity consumption, along with residential land use, were the most influential variables. Finally, for a comprehensive understanding of the studied phenomenon, it is crucial to analyze and consider the intricate dynamics of societal consumption patterns. Graphical abstract: (Figure presented.).

Original languageEnglish
JournalJournal of Material Cycles and Waste Management
StateAccepted/In press - 2024


  • Food waste
  • Fuel use
  • Household consumption
  • Industrial ecology
  • Land use
  • Municipal solid waste


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