This article addresses the developments ongoing in SENSIBLE, an H2020 funded project focused on energy storage and energy management, which demonstration occurs in Évora-Portugal, Nottingham-UK and Nuremberg-Germany. Currently presented work focus the concepts and developments necessary in order to make possible that residential clients can participate in a market environment with their electrical flexibility, also considering Distribution System Operator (DSO) needs when gird is under stress caused by any technical constraint. Moreover than the concept behind it is necessary to consider several developments: i) a low layer where residential assets will live in customers houses; ii) a high-level layers where market tools and DSO management tools will live; iii) an intermediate layer which bridge the gap between the low layer and high layer. These developments are a result of the ongoing works under one of SENSIBLE use cases which demonstrations occurs in a small village in Évora district in Portugal.
The upcoming smart grid paradigm brings a new approach for distribution grid management, regarding new technical features for DSO and new energy services to be provided to final customers. On the one hand these technical features and energy services become possible a more efficient management of distribution grid aiming at a reduction of grid investment and operational cost, not only in investment but also in operation and management. On the other hand these new services for clients may become possible an increase on energy efficiency and energy cost reduction for clients, with direct impact in environmental goals worldwide. This paper describes a use case developed under SENSIBLE Project to be implemented in the Portuguese Demonstrator-Évora, where low voltage (LV) clients provide flexibility through the usage of energy storage and energy management technologies, both in regulated and market environment, optimizing customers' energy consumption and minimizing its cost, and, simultaneously, providing grid services when grid technical constraints occur with indirect impact in grid investment costs. II.
Considering the significant increase in projects and initiatives in Europe on microgrids connected to the distribution grid, CIRED launched a working group to address the topic of the technical requirements for the operation of microgrids in both interconnected and islanded modes. The work of this working group started in January 2019 and finished in February 2021. This paper summarizes the content of the report. It aims at providing recommendations on lessons learned from a selected representative and complementary panel of real-life existing demonstration (mostly full scale). The group also took advantage of past projects from where real site conclusions were obtained as well as the expertise within the working group, to guarantee a report with practical conclusions on top of a synthetic state of art. Several microgrid demonstration were identified as top tier projects, covering a wide scope of applications. Among others, the WG studied the deployed assets, the modes of operation, the obtained results and conclusions and mostly the technical lessons learned, i.e., what would be needed to generalize such demonstrator in a daily life operation of a distribution grid (mostly excluding economic, social and environmental criteria).
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