ENVISION

ENergy harVesting by Invisible Solar IntegratiON in building skins

Publieke samenvatting / Public summary

Aanleiding
Envision a full envelope concept that harvests solar energy from the 120 billion square meters of building surface available within the EU28. Envision using the currently unused 60 billion square meters of façade surface. That is why ‘ENVISION’ will demonstrate a full renovation concept that, for the first time, harvests energy from ALL building surfaces (transparent and opaque).

Doelstelling
Hybrid solutions will harvest energy both thermal and electric from the whole envelope, using standard PV solutions for roof and developing new solutions for the façade. As façade solutions have the lowest TRL, ‘ENVISION’ will develop energy harvesting invisible aesthetic façade solutions. The solutions will harvest maximum amount of solar energy and simultaneously retain the aesthetic and functional properties of the façade. To maximize efficient usage of the harvested energy, the solutions are coupled to novel heat systems and district heat networks.

Korte omschrijving
The Horizon 2020 project ‘ENVISION’ focusses on energy harvesting of the façade, and works by absorbing the invisible part of the solar radiation (the near-infrared (NIR) part, roughly 50% of the solar energy spectrum) allowing visible aspects to be retained. The ‘ENVISION’ harvesting of solar energy is achieved via:
1. heat collecting non-transparent aesthetically pleasing façade elements (NIR solar radiation),
2. heat harvesting ventilated glass by harvesting the NIR solar radiation,
3. electricity harvesting photovoltaic glazing solutions.

Resultaat
ENVISION will study and develop these elements based up on earlier developments and prototypes of the different partners (low to medium TRL technologies) and it is foreseen to, amongst others, demonstrate the TKI Urban Energy funded
development of the FITS modules at realistic scale. Partners cover the whole development chain and include research establishments (TNO, University of Genova), SME’s (Emergo Hout & Bouw, Bergamo Tecnologie), large companies (AKZO, ICI, BAM, Pilkington, d’Appolonia, EDF) and end-users (VESTIA).