Liten is a major European research institute and a driving force behind the development of the sustainable energy technologies of the future. The institute is spearheading the EU’s efforts to limit dependency on fossil fuels and reduce greenhouse gas emissions in three key areas: renewable energy, energy efficiency/storage and development of materials.
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Liten's research teams work across a vast portfolio of renewable energy technologies. Cutting-edge photovoltaic technologies are developed at INES, the French National centre for solar research and R&D with Hydrogen and Biomass activities being managed from the LITEN's main site in Grenoble, Rhone-Alpes.
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News | Photovoltaic solar power
The characterization of a bifacial module cannot be limited to the standard measurement of the performance of its front panel. The rear panel must also be measured to define the "bifaciality" and to estimate the effective power of the module according to different albedos.
On the initiative of SERIS (Solar Energy Research Institute of Singapore), the first international round-robin on bifacial modules according to the IEC TS 60904-1-2 standard was launched in 2018. Its aim: to enable laboratories from the world community to qualify their methods and equipment by characterizing the same references and comparing the reliability of their results. The focus of this round-robin was on the characterization of bifacial photovoltaics in relation to the brand new standard dedicated to this technology which was drafted in 2019.
The project took place over two years, bringing together 25 partners laboratories from America, Asia, Europe and Oceania, including the main certification, research and measurement instrumentation manufacturers. Eight panel references were tested by each of the teams, according to their own methods and with their own equipments.
The results have just been delivered and the CEA - INES has been able to verify that the reliability of its measurements and methods for characterizing bifacial photovoltaic modules is equal to that of the recognized certification institutes worldwide. A guarantee of the quality and reliability of the gains announced by its laboratories!
 In the scientific community, round robins are tests of identical samples by different laboratories. Laboratories organize them to validate test methods and/or assess the quality of their results.
 NREL, JRC, Fraunhofer-ISE, TÜV-Rheinland, AIST, SERIS, KIWA, SIPSI, CEA-INES, PI-Berlin, PI-China, CPVT, JET, AIT, CFV, Pasan, CSEM-EPFL, CSIRO, ISC, ESN/TNO, Eternal-Sun, IMEC, GSolar
CEA is a French government-funded technological research organisation in four main areas: low-carbon energies, defense and security, information technologies and health technologies. A prominent player in the European Research Area, it is involved in setting up collaborative projects with many partners around the world.