The Johan Cruijff ArenA (JC ArenA) is a big events location in Amsterdam, where national and international football matches, concerts and music festivals take place for up to 68,000 visitors. The JC ArenA is already one of the most sustainable, multi-functional stadia in the world and is realizing even more inspiring smart energy solutions for the venue, it’s visitors and neighbourhood. The JC ArenA presents a complex testbed for innovative energy services, with a consumption of electricity comparable to a district of 2700 households. Thanks to the 1 MWp solar installation on the roof of the venue, the JC ArenA already produces around 8% of the electricity it needs, the rest is by certified regional wind energy.Within the Seev4-City project the JC ArenA has invested in a 3 MW/2.8 MWh battery energy storage system, 14 EV charging stations and one V2G charging unit. The plan was to construct the 2.8 MWh battery with 148 2nd life electric car batteries, but at the moment of realisation there were not enough 2nd life EV batteries available, so 40% is 2nd life. The JC ArenA experienced compatibility issues installing a mix of new and second-life batteries. Balancing the second-life batteries with the new batteries proved far more difficult than expected because an older battery is acting different compared to new batteries.The EV-based battery energy storage system is unique in that it combines for the first time several applications and services in parallel. Main use is for grid services like Frequency Containment Reserve, along with peak shaving, back-up services, V2G support and optimization of PV integration. By integrating the solar panels, the energy storage system and the (bi-directional) EV chargers electric vehicles can power events and be charged with clean energy through the JC ArenA’s Energy Services. These and other experiences and results can serve as a development model for other stadiums worldwide and for use of 2nd life EV batteries.The results of the Seev4-City project are also given in three Key Performance Indicators (KPI): reduction of CO2-emission, increase of energy autonomy and reduction in peak demand. The results for the JC ArenA are summarised in the table below. The year 2017 is taken as reference, as most data is available for this year. The CO2 reductions are far above target thanks to the use of the battery energy storage system for FCR services, as this saves on the use of fossil energy by fossil power plants. Some smaller savings are by replacement of ICEby EV. Energy autonomy is increased by better spreading of the PV generated, over 6 instead of 4 of the 10 transformers of the JC ArenA, so less PV is going to the public grid. A peak reduction of 0.3 MW (10%) is possible by optimal use of the battery energy storage system during the main events with the highest electricity demand.
De huidige donkere wolken boven de Noordzee zijn onder andere de reden de huidige Noordzeeplannen nog eens goed tegen het financiële en uitvoeringstechnische licht te houden. “Idealiter samen met België en Duitsland, die immers een flink deel van de Nederlandse Noordzee energie zullen gaan afnemen en daarvoor hun fair share moeten gaan betalen. Doorgaan op de bestaande weg dreigt veel te traag te gaan en is ook veel te duur geworden. We eindigen dan wel met een power house, maar zonder industrie.”
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Tango is among the most widespread world music genres nowadays. However, only partial information about the elements and techniques of composing, arranging and performing tango has been documented and made available so far. This research project aims at investigating tango’s main aspects in the oeuvre of relevant tango musicians, promoting its creative practice and expanding its artistic community. By making the implicit knowledge in scores and recordings explicit and ready for creative use by the greater artistic community, tango can be preserved, on one side; and musicians can experiment and reach new artistic horizons, securing its continuation and development as vivid, contemporary music, on the other. The project has two research questions: 1. What are the main features and techniques of tango music composition, arrangement and performance? 2. How can musicians nowadays integrate these features and techniques into their practice to deepen their understanding and enhance their artistic creations and performances? This research uses a mixed method design, including the analysis of scores and recordings, literature review, interviews, observational studies and experimentation. It expands the artistic community on the topic and bridges two top-notch institutions devoted to tango learning: Codarts and UNSAM (Argentina). The research also endeavours improvements in the Codarts curriculum as it complements and expands its educational programme by providing students with research tools to enhance their creative practice. Theoretical and artistic outcomes will be documented and disseminated in concerts, concert-lectures, papers, articles and a tailor-made website containing compositions, arrangements, videos, text, musical examples and annotated scores, so as to record: a) the musical materials and techniques found in the analysed scores and recordings, together with their applications in practice and performance; b) the artistic processes, reflections and production of the participants; c) information on how to create, arrange and perform tangos.
