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The high share and still increasing amount of distributed generation, predominantly wind and photovoltaic, set new challenges to the DSOs in Germany. In order to provide hosting capacity to integrate these resources, huge investments in grid infrastructure are required. Moreover, grid operation and grid observation become more complex since power flows are becoming less predictable. At the start of the project, in Germany, there were hardly any surveillance facilities or grid automation in place in medium voltage networks. The German GRID4EU Demonstrator addressed these challenges with the demonstrator built up in the area of “Reken”, located in North Rhine-Westphalia. The considered grid was well-selected: from the beginning of the project on, it showed a balance between installed generation power and maximum demand. Further increase in renewables to be connected was forecast. The grid focused on consists of 85 secondary substations.
The project NOBEL GRID, funded by the European Union’s Horizon 2020 research and innovation programme, will provide advanced tools and ICT services to all actors in the Smart Grid and retail electricity market in order to ensure benefits from cheaper prices, more secure and stable grids and clean electricity. These tool and services will enable active consumers’ involvement, new business models for new actors and the integration of distributed renewable energy production.
Keywords / tags: Smart grid, retail electricity markets, Information Communication Technology (ICT), flexible renewable energy integration, consumers prosumers, smart meters, Distribution System Operators.
The project SmartNet aims at comparing different architectures for optimized interaction between TSOs and DSOs in managing the purchase of ancillary services (reserve and balancing, voltage regulation, congestion management) from subjects located in the distribution segment. An ad hoc simulation platform is built up over three layers (physical network, market and ICT) in order to simulate three national cases (Italy, Denmark, Spain); this simulation platform is then implemented in a full replica lab, where the performance of real controller devices is tested. Three physical pilots are also developed to demonstrate modalities for exchanging monitoring signals between transmission and distribution networks and flexibility services that can be offered by entities connected to distribution by exploiting thermal inertia of indoor swimming pools and distributed storage facilities of radio-base stations used for telecommunication.
The SMARTWATER project will generate some investigation tools to assess the feasibility of the rehabilitation of end-of-life quarries and mines into medium-sized PHES units. The project implements a holistic approach encompassing legal, environmental, economic, hydraulic, electro-mechanical, and geological aspects. The reservoir capacity and hydraulic head of most of the sites under consideration are around a few hundreds of thousand cubic meters and a few dozen meters respectively. Economic feasibility includes assessment of the cost reduction opportunities offered by such site configurations (widespread in Wallonia) and the exploration of innovative multi-service (DSO and TSO) exploitation strategies in the context of an increasing intermittent production.
The lighthouse NETfficient, supported under the “Societal Challenge of Low Carbon Energy" within the European Research and Innovation Programme Horizon 2020, will implement “Energy and economic efficiency for today’s smart communities through integrated multi storage technologies” on the German island of Borkum in the North Sea.
ELSA aims at implementing and demonstrating innovative solutions for energy storage integrating low-cost second-life electric vehicle Lithium-ion batteries and other direct and indirect storage options, including heat storage, thus facilitating the local energy management of buildings, districts, and industrial complexes, as well as the direct local use of electricity generated from intermittent renewable energy sources.
The strategic goal of BESOS is to enhance existing neighbourhoods with decision support system to provide coordinated management of public infrastructures in Smart Cities, and at the same time provide citizens with information to promote sustainability and energy efficiency.
TILOS demonstrates the optimal integration of local scale battery storage in a smart island microgrid and challenges the interplay between storage, DSM and interconnection. By encouraging public engagement, TILOS addresses the social aspects of community storage and seeks for the development of novel business models.
This paper describes the EU H2020 demonstration project STORY. During the 5 year duration 8 demonstrations in 5 countries will present different business models using various types of small scale thermal and electrical storage technologies. The results of those demonstrations are used in a large scale rollout impact assessment. A policy and regulatory framework will be proposed that facilitates the implementation of the most promising business cases.
The I3RES project was financed by the European Commission under the Seventh Framework Programme and more specifically the call ICT-2011.6.1 on Smart Energy Grids. As a result, the I3RES Management Tool was developed.
The GREDOR project addresses challenges in the management of distribution systems raised by the integration of renewable energy sources and new consumption practices, from investment decisions to real-time control. It also aims at proposing and analyzing interaction models for organizing exchanges of flexibility between stakeholders. GREDOR is funded by the Public Service of Wallonia, coordinated by the University of Liège and encompasses 7 industrial and academic partners.
Within the European Commission funded Market4RES project, the consultancy company 3E N.V. assessed empirically the challenges and issues of increasing RES-E penetration for the short-term, medium and long-term electricity markets. This was carried out through a selection of case studies that cover three different market regions with different RES-E penetration levels in the European electricity market with a focus on the Nordel system, Central-Western European system and the Iberian system.
The distribution network has traditionally been a passive network, which means to pass power from bulk-supply points to consumers. Yet, due to the increase of distributed generation sources and the injection of new loads (integration of Evs for instance), distribution networks are evolving towards active networks. Future distribution networks, embedded between transmission networks and end-consumers, will become increasingly equipped and will take advantage of new techniques of monitoring, control, data analysis, communication infrastructure, planning and small-scale generation in order to support distribution network operation in an efficient way.
Started in November 2011 for a duration of 51 months, this FP7 project lays the groundwork for the development of tomorrow's electricity grids. It will test the potential of smart grids in areas such as the integration of DER, the integration of small-scale storage, the integration of electric vehicles (EVs), grid automation, energy efficiency and load shaping.
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