Abstract
The overall objective of EU funded CITyFiED (repliCable and InnovaTive Future Efficient Districts and cities) project is to develop a replicable, systemic and integrated strategy to adapt European cities and urban ecosystems into the smart city of the future, focusing on reducing the energy demand and GHG emissions and increasing the use of renewable energy sources by developing and implementing innovative technologies and methodologies for building renovation, smart grid and district heating networks and their interfaces with ICTs and Mobility. One of the most important goals of this project is the development of a deep retrofitting of the buildings and innovative district heating solutions in three large scale demonstrations at Laguna-Valladolid (Spain), Soma (Turkey) and Lund (Sweden) in order to achieve powerful models suitable for replication across Europe. This paper presents the wide intervention that will be carried out in the Linero district (Lund), which aims to reduce drastically the energy consumption and CO 2 emissions by means of passive and active measures on building and district scale. Energy conservation measures on building level will be based mainly on the retrofitting of the facade, changing of windows and heat recovery from ventilation. The interventions on district scale involve the implementation of advanced control and distribution systems, such as a smart grid for electricity and smart distribution of district heating. Finally, the tenants' energy use and the environmental impact are analyzed by means of real time visualization of energy consumption. The overall impact will be further enhanced by the integration of renewable energy from multiple production units to the large scale district heating network that heats the buildings in Linero. This includes solar energy, wind energy, biomass, geothermal heat as well as residual heat from industries for example the new research facilities in Lund, European Spallation Source (ESS) and Max IV-laboratory) The paper also presents a model that has been developed in the CITyFiED project in order to evaluate the replication potential of the CITyFiED measures that will be deployed in 11 European cities. The model consists of three parts, energy simulation, semi-strucutred interviews for the identification of non-technological barriers and suggestion of new business models. The purpose of the model is to provide innovative, affordable solutions that are effective to address the current technical, financial, social and organizational challenges that exist in respective city.
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