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Modeling of a Village-Scale Multi-Energy System for the Integrated Supply of Electric and Thermal Energy

Nicolo' Stevanato, Lorenzo Rinaldi, Stefano Pistolese, Sergio Luis Balderrama Subieta, Sylvain Quoilin, Emanuela Colombo
Published: 23 October 2020
 by  MDPI
Applied Sciences , Volume 10; doi:10.3390/app10217445

Abstract: Energy system models for off-grid systems usually tend to focus solely on the provision of electricity for powering simple appliances, thus neglecting more energy-intensive and critical needs, such as water heating. The adoption of a Multi-Energy System (MES) perspective would allow us not only to provide comprehensive solutions addressing all types of energy demand, but also to exploit synergies between the electric and thermal sectors. To this end, we expand an existing open-source micro-grid optimization model with a complementary thermal model. Results show how the latter achieves optimal solutions that are otherwise restricted, allowing for a reduction in the Levelized Cost of Energy (LCOE) of 59% compared to a conventional microgrid, and an increase of reliance on renewable sources of 70%.
Keywords: Modeling / thermal / energy system / Rural electrification / off-grid / Electric

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