Starting point for innovation

BI-FACE - INNOVATIVE BIFACIAL MODULES AND SYSTEMS FOR FLAT ROOFS

The research-team will focus on developing optimized lightweight bifacial PV systems for flat roofs. The results will include three novel variations for bifacial modules and systems which are tested in three different climate zones.

Your Contact at CTR

Dipl.Ing. (FH) Wolfgang Mühleisen, M.Sc.

Researcher
Smart Systems

Telephone: + 43 (0) 4242 56300
E-mail:

Research Programme

This project is funded within the framework of the “Energy Mission Austria” (e!Mission) programme and co-financed within the framework of Solar ERA.NET programme (1. Call).

Bifacial modules convert light on both sides of cells 

Traditional PV modules are mono-facial, meaning that their electrical power output is derived from radiation captured on the front side of the cells only. In contrast bifacial modules convert light captured on both sides of the cells. However, many buildings like manufacturing sites and public buildings are using solar energy, where the generated power is used immediately. In many of these buildings, flat roofs are state of the art.

Project Goal

The project BI-FACE will focus on optimized lightweight bifacial PV systems for flat roofs. The results will include three novel variations for bifacial modules and systems which are tested in three different climate zone: subtropical (Cyprus; University of Cyprus is a subcontractor of ECN), temperate (Austria) and maritime temperate (Netherlands).

The ultimate design of these systems is challenging due to the large number of parameters that influence the energy yield (like tilt and distance between modules, reflecting surfaces, shading, cell spacing, materials used and weather conditions). The team is using a holistic approach taking even the aspect of standardization into account.

The expected main results of BI-FACE are:

  • Novel lightweight bifacial modules and systems for flat roofs for representative climates in Europe
  • Innovative, comprehensive models for design and installation of bifacial modules and systems including construction requirements
  • Novel manufacturing strategies
  • New performance and characterization measurements
  • Innovative mounting structures

PROJECT CONSORTIUM

The project unifies 6 partners from 2 countries: AIT Austrian institute of Technology (project lead), CTR Carinthian Tech Research (Austria) PVP Photovoltaik GmbH (Austria), ECN Energy Center of the Netherlands (Netherlands), Solar Electricity Development B.V. (Netherlands), Tempress Systems B.V. (Netherlands).

Project Facts

Project: BI-FACE - Innovative bificial modules and systems for flat roofs
Pogramme: SOLAR-ERA.NET
Duration: 24 months  (03/2018 - 02/2020)
Consortium: 6 partners from 2 nations
Project volume: € 1,15 Mio
Funding quota: 77 % 
Website: http://www.solar-era.net/

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