The growing deployment of distributed energy resources can result in significant environmental and economic benefits but, at the same time, in reduced total system inertia and controllability, hence in new challenges to the power grid operation. Within this context, flexibility (i.e., the ability to adjust to the time-varying grid conditions) plays a crucial role for the transition towards power systems that can efficiently accommodate high shares of renewable energy sources. Managing the flexibility in urban districts and in distribution networks requires control and optimisation tools not yet available. Furthermore, there are several multi-energy systems within a district (i.e., systems with interconnected electricity/heating/gas networks), which currently lack coordination, and which can be regarded as excellent flexibility providers. There is still a very limited understanding of the true impacts of the flexibility on the power system as well as of how to devise effective frameworks for coordinating an arbitrarily large number of flexibility sources. Filling this knowledge gap is essential for the transition to a more sustainable energy grid. In this talk, promising optimisation-based approaches to manage multi-energy systems and storage devices will be discussed.
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