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The Act2 project aimed to accelerate innovation in renewable energy (RE) solutions and advance energy efficiency (EE) and systems for poly-generation linked together with concepts for eco-buildings. Act2 reflected the motivation of Hannover (Germany) and Nantes (France), the two demonstration communities, and three associated cities – Koszalin (Poland), Malmö (Sweden) and Newcastle upon Tyne (United Kingdom) - to implement an energy policy that matches the scale and urgency of current climate-related issues, building on past experiences - especially the development of the Kronsberg district in Hannover, and inviting stakeholders in their areas to espouse the same proactive policies.
Project demonstration sites
Act2 key facts & figures:
- Demonstration projects: 80 Buildings (180,000 m²);
- Hannover: 55 buildings (50,000 m²), refurbishments;
- Nantes: 25 buildings (80,000 m²), newly built.
Renewable energy sources:
- 1,900 m² solar thermal;
- 360 kWp solar photovoltaic panels;
- wood energy used in district heating;
- Wood boilers in public buildings (more than 1,000 kW).
- Final energy saved - 70%;
- Primary energy saved - 92%;
- 3,600 t CO2 per year saved in Hannover;
- 790 t CO2 per year saved in Nantes.
- New Building(s)