NZC - Normand
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NZC - Normand

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NZC - Normand NZC - Normand Presentation Transcript

  • Welcome to Grenoble « Sustainable city » From the first Eco-Districts to the EcoCity Dr Xavier NORMAND Project manager « Sustainable city » City of Grenoble NET ZERO CITIES CONFERENCE, 2013
  • Grenoble in brief Main city of the French Alps - City : 160,000 inhabitants - Metropolis : 400,000 inh. - Urban area : 700,000 inh. #5 in World's 15 Most Inventive Cities according to
  • The « Grenoble Facteur 4 » action plan a framework for city planning 2008 • adoption of the EU Climate and Energy Package (3x20), Grenoble is part of the first signatories of the Covenant of Mayors • the « Grenoble Facteur 4 » 32-action plan was launched by the newly elected municipality as the framework of an integrated environmental policy including the objective of dividing GHG emissions on the territory by 4 in 2050 : • Actions deal with thermal improvement of buildings, energy efficiency, development of renewable energies, clean and soft mobility, natural ressources, education ; the list was fixed for the 5-year mandate • An observatory for GHG emissions and energy consumption has been set up • Progress is monitored on a monthly basis by a group of Deputy Mayors, with a debate every year in Town Council • It includes an « eco-citizen » participative program It should be extended in 2014 at the « Metropolis » level
  • Grenoble Facteur 4: energy and GHG emission observatory
  • 2001-2011: Eco-districts 1.0 Eco-districts: -Towards energy self-sufficiency : . positive energy building . gas-fired cogeneration - Urban transport - Social and functional mix - High environmental quality - Project follow-up (incl. support and training for the building companies) and district monitoring Grenoble was part of SESAC (Sustainable Energy Systems in Advanced Cities), a project of the CONCERTO European Program (cf. www.concerto-sesac.eu), together with Växjö (Sweden) and Delft (the Netherlands)
  • Eco-districts are a major step on the path to sustainability: - De Bonne district won the first "Grand prix EcoQuartier" in 2009 and became the matrix for all new urban planning projects - High-energy performance buildings (BBC) became the "norm" in Grenoble, especially for social housing, thanks to a strong commitment for quality of building companies; it is now the standard for all buildings in France (RT2012, new thermal regulation => 50 kWh/m2/year) - High Environmental Quality standards are used for all new projects
  • The step further, the EcoCity
  • Working on the city scale The Presqu’Ile district including the « GIANT » innovation campus De Bonne district
  • Welcoming inhabitants into the innovation campus Christian de Portzamparc Architecte Urbaniste
  • INDUSTRIES / RECHERCHES Integrated urban design LOGEMENTS COLLECTIFS CENTRALE PRODUCTION DE CHALEUR BUREAUX PROCESS PARC DE SONDES GEOTHERMALES … a systemic approach
  • Integrated urban system Living in the EcoCity Vertical gardens : town houses, mountain views, optimized thermal performance 30 kWh/sqm/yr total energy consumption with limited extra-cost Smart grids : - remote control electrical equipement - multi-fluid / energy monitoring display Mobility system : - no private parking - real time information - multi-modal « mobility centers » Mutualized rooms and open space at city block scale Low temperature reversible heating & cooling loop
  • New mobility strategy Moving in and around the EcoCity Step 1 Mutualized management of parking (residents / workers / …) All parking places under public control : « Mobility House » Step 2 Offer convenient, moderatecost, easy to use mobility solutions « Mobility Pass » Step 3 Substitute individual vehicle by shared vehicles Complete public transport with carsharing and last-mile solutions in the « Mobility House » Step 4 Switch to hybrid / electrical cars with solar power supply and smart management of batteries Offer easy charging facilities (at home / at work)
  • Energy management Experiencing a positive energy district Between the traditional centralized production model and the new theories of individual energy producer-manager, find the relevant scale : the positive energy district 100% renewable electricity, managed by the smart-grid Production Biomass cogeneration Consumption Solare PV (ESRF, parkings) Hydraulic Total New buildings all usage Low-temp loop pumps & heat pumps Public lighting Available for electro-mobility 25 GWh/y 2,4 GWh/y 7 GWh/y 34,4 GWh/y 24 GWh/y 1,4 GWh/an 0,6 GWh/an 8,4 GWh/an Heating and cooling using renewable and recovery energy Reversible low-temp loop : 100% of the heating / cooling needs of 150,000 sqm new buildings Biomass cogeneration plant : 135 GWh/y high temperature available for the city heat network, 4 times the consumption of the district
  • Smart grid GreenLys: a full-scale demonstrator Two technological platforms (Grenoble and Lyon ) for 1,000 residential customers and 40 commercial and industrial sites Integration of renewable energy sources Smart metering Searching for new business models