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    “Secure provision of data centres with renewable energies”

    The RenewIT project is researching how data centres can make greater use of renewable energies. That is an important goal for project partner Thorsten Urbaneck, who is a private lecturer at Chemnitz University of Technology. This is because it is estimated that data centres consume two per cent of the electricity used in Europe – and the trend is increasing.  more...
     

    Science and business park grows efficiently

    If the current trend is extrapolated, the energy requirement of the Berlin-Adlershof science and business park will double by 2020 as a result of relocations and an increase in density. The implementation of a new energy concept is to help the site achieve 30 % savings in primary energy. Central to the concept is the energy-efficient improvement and cross-linking of buildings, systems and processes, the use of waste heat, efficient electricity and heat supply and the introduction of a technical and non-technical energy management system.  more...
     

    Thermal heat from pit water

    The coal mining company RAG annually pumps over 100 million cubic metres of water to the surface from a depth of up to 1,000 m to secure the stability of the ground and the safety of drinking water in former mining regions. For one year now, the municipal utility of Bochum has been heating several public buildings with that pit water. The pilot project demonstrates how to use old mines for an eco-friendly heat supply of surrounding buildings.  more...
     

    On route to a low-energy urban district

    Redeveloping an urban district represents not just an architectural challenge - the tenants behind the facades must also be taken into account. Those involved in the "Weingarten 2020" research project are aiming to meet both demands. With the involvement of the Fraunhofer Institute for Solar Energy Systems ISE, they have created the first passive high-rise building in a district of Freiburg. A further important milestone was the optimisation of the energy supplies.  more...
     

    Ismaning banking on geothermal energy

    The Bavarian municipality of Ismaning is generating increasingly more electricity and heat from local energy sources. During the next few days, pump and injection tests will begin on the new geothermal plant that will continue for several months. At a depth of around 2000 metres, the two wells are extracting more hot water than was originally assumed. The trial operation of the geothermal heat supply can therefore begin.  more...
     

    Research becoming increasingly important

    At the Annual Conference of the Renewable Energy Research Association (FVEE) on 16 and 17 October 2012, scientists and industrial representatives presented innovations along with new strategies for their market introduction. In his opening speech, Federal Environment Minister Peter Altmaier emphasised that greater importance should be given to research and development in regard to the era of energy revolution.  more...
     

    Forty per cent of local heating market achieved

    The Unterhaching geothermal plant, one of the most successful geothermal projects in Germany, is celebrating its 10th anniversary on 20 October with an Open Day. The plant feeds heat into a district heating network and the remaining heat is used to generate electricity. For this purpose a special power plant process is utilised, the Kalina process. In the BINE Interview, Managing Director Wolfgang Geisinger talks about his decade of experience with the plant, technology and components as well as about the local heating market.  more...
     

    Cooling with heat

    The economic and ecological success of many CHP plants, district heating networks and large-scale solar power systems very much depends on the utilisation of heat outside of the heating periods. An increasingly interesting market for low-temperature heat is cooling and air-conditioning buildings as well as generating process cooling energy with thermally driven chillers. Scientists from Berlin and Bavaria have developed a new generation of particularly compact, efficient absorption chillers with small capacities for cooling and heating operations.  more...
     

    Storing the sun for learning and living

    Germany's largest solar thermal system, "Hirtenwiesen II", was inaugurated in Crailsheim in Baden-Württemberg, Germany. In addition to 260 accommodation units, the solar local heating supply system also supplies a school and a sports hall. The collector surface area is around 7,400 m² and includes one borehole heat exchanger heat storage tank and two buffer storage tanks. The German Federal Ministry for the Environment was one of the sponsors of the showcase project.  more...
     

    The electricity grid as a marketplace

    In future, electricity grids will have to transport large quantities of electricity from renewable energy sources fed centrally and decentrally. Plus, we need greater reserves, storage facilities and flexibility in the electricity market due to the fluctuating supply. In the "Modellstadt Mannheim" project, a virtual energy marketplace is being developed for energy generators, consumers and grid operators. Customers can see the source and price of their electricity and influence them directly via the timing and extent of their consumption and the delivery from their own generation systems. This approach also includes gas, water and district heating.  more...
     

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