CommONEnergy Project, an example about how to create energy efficient shopping centres

22 september 2017

After four years of exhaustive work, the partners of CommONEnergy project have met this month in the final conference to put in common the excellent results achieved in the demo-cases which have served to test the technologies and methodologies developed during this project.

The research team, made up of 23 scientific and business partners from 10 European countries, started working in 2014 with the premise of transforming European shopping centers into energy efficient buildings by developing smart renovation strategies and solutions, as well as assessing environmental and social impacts.

Each one of the demo-cases chosen as demonstrators is located in a country with their peculiarities in terms of climate and characteristics. The City Syd of Trondheim (Norway), is a conventional shopping centre, the Canaletto of Modena (Italy), a large supermarket located in a residential area, while the Mercado del Val in Valladolid (Spain), is an old market of the 19th century located in the center of the city.

After a first phase of analysis, the experts chose the most appropriate technological solutions for each building and they were implemented. The approach was different for each of the demo-cases, being the Valladolid demo-case the only one with a complete reconstruction. In the case of Modena Canaletto a deep retrofitting of the supermarket was done and in City Syd, some of the areas within the shopping center were renovated with innovative solutions.

CARTIF Technological Center, as local coordinator of the Valladolid demonstrator, has participated very actively from the first phases of the project until the complete implementation of all selected and finally proven technologies of the project.

The technological solutions applied in Mercado del Val are summarized in the installation of a multifunctional facade with an optimize glazing adapted to the local climatic conditions and which allow the entrance of natural light; an automatic shading system in the south façade to regulate the radiation that enters the building and windows with automatic opening in the skylights and on the top of the façade combined to provide natural ventilation. Thanks to this solution, the cooling consumption and the use of mechanical ventilation will be reduced. A modern building energy management system, called iBEMS (Intelligent Building Energy Management System), allows optimal control of all technologies by means of advanced control strategies taking the most appropriate decisions for reduction of the energy consumption, guaranteeing the air quality and the comfort conditions of the workers, clients and visitors inside the market. In addition to the above, a group of geothermal heat pumps cover all the demand for heating, cooling and DWH (Domestic Heat Water) of the market allowing the use of clean and renewable energies.

All these innovative solutions turn Mercado del Val into the first bioclimatic market in Spain and an example of energy efficiency in Europe, achieving a reduction in energy consumption and CO2 emissions of 75% and 100% use of renewable energies to cover the thermal and DHW demand of the building.

The CommONEnergy project, was supported by the European Commission through the Seventh Framework Program (FP7)

You can find more information and results in the web project.

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