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City-zen: a balanced approach to the city of the future

Project Details

Project date: 
March, 2014 to November, 2020

Budget Information

EU contribution: 
Total cost : 
Funding programme: 
4- Demonstration of optimised energy systems for high performance-energy districts.

Pilot Cities

  1. Grenoble
  2. Amsterdam

City-zen was a joint project of Amsterdam, Grenoble and 28 partners that was granted EU-funding to develop and demonstrate energy efficient cities and to build a methodology and tools for cities, industries and citizens to reach the 20-20-20 targets.

The City-zen project has yielded the following results:
* saving 35,000 tons CO2 per year
* renovated 76,000 m2 residential buildings
* connected 10,000 dwellings to smart grid
* 20 pilot projects completed in Grenoble and Amsterdam

    Visualisation type: 
    Expected results

    • Sanquin cooling by raw water realized
    • Houthaven comfort cooling realized
    • Amount of renovated (residential) buildings: 76000 m2
    • Amount of dwellings connected to a smart grid: 10000
    • Innovative collective drainage network for a significant density of highly energy performance groundwater heat pumps realized
    • Development of two roadmaps to carbon neutrality
    • Smart grid elements tested:
      • Virtual power plant in Amsterdam and PV combined with batteries in Grenoble
      • Multi-territorial monitoring system (heat, water, electricity)
      • Vehicle to grid
      • End to end smartification
    • 10 Roadshows executed (intense, one week programs at cities that want to kick-start their energy transition)




    Descriptionsof the methodology, including the process and research preceding it, can be found on the overview page (<>). Links to the catalogue of measures, roadmaps, etc. can be found in the list of Key Documents below.


    Key Documents:

    SRT data