• Let’s check: is the energy use of our renovated buildings really improving?

    February 21, 2018

    Insulation, solar panels, HR glazing and new installations. All over Europe the existing building stock gets updated to become NZEB, a (Nearly) Zero Energy Building. We’d like to know if these renovations live up to their expectations and which investments are the smartest. Therefore we monitor the energy performance of all buildings within the framework […]

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  • City-zen Virtual Power Plant wins the Green Digital Charter Award 2017

    January 25, 2018

    The Amsterdam Virtual Power Plant, in which some 50 households jointly trade the energy from their home batteries, was awarded the Green Digital Charter Award 2017 by Eurocities during the ‘Imagine the Urban Future: Innovation Collaboration and Trust’ conference in Brussels on 23 January. Since the summer of 2017, the solar energy that is not […]

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  • City-zen Days – 31 January to 2 February 2018 in Grenoble – PROGRAM IS ONLINE !

    January 8, 2018

    The heart of Grenoble’s energy transition is above all the one of everyone’s energy, fueled by national and international inspirations and skills. It builds a common vision of the city of tomorrow, a livable and sustainable city for all. The 9 local partners of City-zen are eager to share with you their innovations and field […]

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  • What are your experiences with energy-saving measures? Have you taken energy-saving measures at home or not?

    December 12, 2017

    Let us learn from you so that we can reduce the energy consumption in Europe even further. More and more people are deciding to renovate their house in a sustainable manner: for example with insulation, double glazing or by installing solar panels. You might be one of them. But it is also possible that you […]

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  • Grenoble’s energy master plan : less waste, more renewable

    The real way to move forward in the energy transition is to consume less energy to heat, move, manufacture … The need is also to gradually replace fossil fuels such as gas, gasoline and fuel oil by renewable energies! To achieve this, the Grenoble metropolitan area has a demanding roadmap by 2030 : reduce all […]

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  • Grenoble School energy challenge : ALEC and GEG, an ongoing partnership for 2017-2018

    November 28, 2017

    Every year ALEC (climate and energy agency) leads and organizes the school energy challenge, a program of Grenoble-Alpes-Métropole. The aim is to make children aware of global warming, energy savings and air pollution. Understanding these issues may seem abstract to 10-year-olds. That’s why the agency partnered with GEG to monitor some of the participating schools […]

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  • This is what motivated Koos, Frank and Jan to renovate their Amsterdam homes in a highly energy efficient way.

    About 5 years ago, ventilating the desire to eat less meat would have been frowned upon. Going vegan would have meant social suicide. Not today. Living a more sustainable lifestyle is on the rise. The number of people that separate waste or buy organic is growing. But when it comes to bigger investments, such as […]

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  • Grenoble, “city of tomorrow”: a place for participative challenges

    “Grenoble Ville de demain” (city of tomorrow), is a platform that wants to bring together all the talents of the city to make the energy transition a reality. Transition has different characters : economic, social, urban, energy, digital,… and everybody can take part in the solutions from citizens to the decision makers to the scientist […]

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  • Smart Stories that make Amsterdam Smart City possible !

    November 27, 2017

    Amsterdam Smart City collected 20 ways of looking at a bright future for the city in an online magazine. Check out some of the highlights of the past two years, including City-zen projects In cold blood, introducing the innovative solution of Cooling with Drinking water and Living of the grid, a user story about the […]

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  • Can Seville become fossil free ? Let’s check it out !

    November 14, 2017

    On November 20th to 24th the City-zen roadshow will take us to Seville. After Belfast, Izmir, Menorca and Dubrovnik, this yet another city who wants to explore its possibilities to reduce its fossil energy use. Via a proven track of lectures, games and hard work City-zens experts will work alongside the local community on an […]

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