Ten Questions Concerning Smart Districts

Nicholas Good, Eduardo A. Martínez Ceseña, Pierluigi Mancarella

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    Abstract

    As an extension of the ‘energy trilemma’ of affordability/sustainability/security to also include social acceptance, the ‘energy quadrilemma’, is driving multiple and complex developments in energy systems, particularly at the level of distributed energy resources. These, and in particular demand side resources, may have an important role in providing the flexibility required for electricity systems to integrate low carbon technologies, while also increasing the efficiency of the energy system as a whole. This is particularly relevant to resources that are aggregated in districts, for instance through community energy systems, that also adopt various enabling ‘smart’ technologies, thus becoming ‘smart districts’ and supporting the transition towards a smart grid. Recognising that the smart district is a relatively new and ill-defined concept, this paper identifies and answers ten questions covering relevant physical, commercial, planning and operational aspects of smart districts. In particular, amongst others, we propose a new viewpoint on ‘energy efficiency’ that is more aligned with the key role of flexibility in future energy systems; criticise the concepts of ‘self-sufficient’, ‘net-zero energy’ and ‘energy-positive’ buildings and districts; discuss how price-driven optimization through ‘transactive energy’ approaches can deliver whole-system efficiency and flexibility beyond the smart district itself; argue the importance of considering multiple energy vectors in a multi-energy context; and finally specify four requirements for districts to become smart districts.
    Original languageEnglish
    JournalBuilding and Environment
    VolumeIn Press
    Early online date25 Mar 2017
    DOIs
    Publication statusPublished - 2017

    Keywords

    • Community energy systems, Flexibility, Transactive energy, Multi-energy systems, Smart districts, Energy efficiency, Energy trilemma, Energy quadrilemma, Smart grid

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