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Energy-Hub for residential and commercial districts and transport (E-Hub)
Date du début: 1 déc. 2010, Date de fin: 30 nov. 2014 PROJET  TERMINÉ 

The ambition of this project is to enable the utilisation of the full potential of renewable energy (up to covering 100% of the energy demand on district level). In order to reach this goal, the E-hub concept is developed, which is crucial for the implementation of such a large share of renewables. An E-Hub is a physical cross point, similar to an energy station, in which energy and information streams are interconnected, and where the different forms of energy can be converted into each other and/or can be stored. The E-hub exchanges energy via the energy grids between the different actors (e.g. households, renewable energy plants, offices), who may be a consumer at one time, and a supplier at another time. The consumers and suppliers exchange information on their energy needs and energy production with the energy hub, the hub then distributes the energy available in the most efficient way. For proper matching of supply and demand, the E-hub uses conversion and storage of energy, as well as load shifting. The consumers and suppliers should be connected to this E-hub by means of bi-directional energy grids (low and/or high temperature heat grid, cold grid for cooling, electrical grid (AC and/or DC), gas grid (H2, biogas, syngas). The renewable energy may be generated locally (e.g. from PV on residences) or by centralised means (a geothermal plant or a large CHP located within the district that may be fuelled by biofuel or H2). The E-Hub concept holds for all types of energy flow, from heating and cooling to electricity, biogas and H2, and may connect not only households but also (electrical) cars, commercial buildings or industry. The aim of the proposed project is: to develop the e-hub as a system, to develop technologies that are necessary to realize the system, to develop business models in order to overcome institutional and financial barriers, and to demonstrate an E-hub in the form of a real situation and in a few case studies/feasibility studies.



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