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Energy-Efficient Electric Cooking and Sustainable Energy Transitions

Author

Listed:
  • Nigel Scott

    (Gamos Ltd., Reading RG1 4LS, UK)

  • Matthew Leach

    (Gamos Ltd., Reading RG1 4LS, UK)

  • Will Clements

    (Gamos Ltd., Reading RG1 4LS, UK)

Abstract

Transitioning to clean cooking fuels is not only part of achieving SDG7 but also makes a significant contribution to mitigating climate change by reducing carbon emissions. Research projects and pilots across a number of countries in Africa and South Asia have been exploring the suitability and energy performance of different cooking appliances and fuels. The paper presents the first statistical analysis across these multiple datasets to determine the range of energy required to cook dishes using different technologies and fuels. The paper draws out distinctions between African and Asian dishes, notably the impact of energy-intensive dishes prepared mostly in Africa. The paper demonstrates that the standard efficiency-based approaches to comparing the performance of stoves are not appropriate to modern electric cooking devices, so a novel alternative approach based on specific energy consumption and termed energy ratios is developed. Charcoal stoves are shown to use 15 times as much energy as electric pressure cookers (EPCs) to cook African dishes, and a detailed review of how the EPC works explains why this should be. Energy ratios provide a basis for estimating carbon emission reductions associated with transitioning to modern cooking fuels and also for estimating household cooking costs. Fuel and electricity prices from studies show that the cost of cooking with an EPC can be only 20% of the cost of cooking with charcoal, which highlights the potential for modern, energy-efficient electric cooking devices to defy the conventional wisdom of the energy ladder.

Suggested Citation

  • Nigel Scott & Matthew Leach & Will Clements, 2024. "Energy-Efficient Electric Cooking and Sustainable Energy Transitions," Energies, MDPI, vol. 17(13), pages 1-23, July.
    • Handle: RePEc:gam:jeners:v:17:y:2024:i:13:p:3318-:d:1429940
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    References listed on IDEAS

    as
    1. Masera, Omar R. & Saatkamp, Barbara D. & Kammen, Daniel M., 2000. "From Linear Fuel Switching to Multiple Cooking Strategies: A Critique and Alternative to the Energy Ladder Model," World Development, Elsevier, vol. 28(12), pages 2083-2103, December.
    2. Robert Bailis & Rudi Drigo & Adrian Ghilardi & Omar Masera, 2015. "The carbon footprint of traditional woodfuels," Nature Climate Change, Nature, vol. 5(3), pages 266-272, March.
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