Program Sessions

Program October 23

9:00 - 10:20  |  Lightweight Modules -  Scientific Approach


Title Speaker Institution

Does Research Need New Parameters Like Power Weight for Light Weight Solar Modules?

Introductory Presentations and Discussion.

Dr. Gernot Oreski     

Polymer Competence Center Leoben

Dr. Holger Neuhaus

Fraunhofer ISE

Dr. Eleonora Annigoni

École Polytechnique Fédérale
de Lausanne

Sebastian Schindler
Fraunhofer CSP


11:00 - 12:20  |  Lightweight Modules and their Applications / ViPV


Title Speaker Institution
Lightweight Modules – Opportunities Across the Energy Access and Smart City Market from a Manufacturers Perspective Robert Händel
OPES Solutions
Lightweight 3D Shaped Solar Roof Simone Regondi


What do Aviation and PV have in Common?
Robert Neumann
DAS Energy
Challenges and Perspectives of Vehicle Integrated PV Mathieu Baudrit
Sono Motors


13:30 - 14:50  |  Exhibition Light Weight Modules & Measurement Equipment


Light Weight Modules presented by

  • Fraunhofer CSP
  • Sono Motors
  • PS Union / Streetscooter
  • Physee
  • OPES Solutions
  • DAS Energy

Measurement Equipment

  • DENKweit Technology (Lab + Hand Tool)
  • PIDcheck
  • LIDScope
  • Homogenity Tester


15:30 -16:30  |  Hybrid PV Systems


Title Speaker Institution
Battery Storage in Hybrid and Off-Grid Systems

Stefan Ailler

Tesvolt GmbH

Using Embedded Renewable Generation to Stabilize Rural Distribution

Julian Gerstner



16:10 - 16:40  |  Official Opening of Fraunhofer CSP's PV System


16:40 - 17:10  |  Lab Tours

9:00 - 10:20 |  High Performance Cells and Modules 


Title Speaker Institution
Development of High Efficiency Mono-crystalline and
Multi-crystalline Q.antum Cells for Industrial Mass Production

Dr. Alexander To 

Hanwha QCells GmbH

PERC Technology and Beyond   

Dr. Josef Haase     

centrotherm AG

Overview on Perovskite-based Tandem Solar Cell Devices

Dr. Jie Ge  

Martin-Luther-University Halle-Wittenberg

With New Interconnection Technology to Higher Module Output    
Andreas Waltinger     Meyer Burger Germany AG


11:00 -12:20  |  Power Measurements and Degradation


Title Speaker Institution
Characterization of Bifacial Silicon PV Modules: Assessment of the IEC Draft Standard     

Dr. Juan Lopez Garcia  

EC Joint Research Center

Modeling PID: From Indoor Testing to Prediction of Long-Term Performance  

Dr. Eleonora Annigoni

Ecole Polytechnique Fédérale de Lausanne EPFL

Recovery and Prevention of PID by Use of Float Controller

Dieter Schenker 



Performance Loss Due to LeTID on c-Si PERC Solar Modules   

Friederike Kersten     Hanwha QCells GmbH
Advanced Light Soaking System for Comprehensive Degradation Testing of Industrial Solar Cells    

Dr. Sascha Esefelder  
Wavelabs Solar Metrology Systems GmbH

13:30 - 14:50 |  New Module Reliability Testing Methods – FIDELITAS Closing Colloquium


Title Speaker Institution

Field Experiences – Evaluation of Module Quality and Failure Modes

Dr. Gerhard Mathiak 

TÜV Rheinland Energy GmbH

UV Fluorescence – Method and Application for Long-Term Degradation Modelling    

Dr. Arnaud Morlier 

Institute for Solar Energy Research GmbH   

Digital Prototyping – An Improvement in Reliability of Module Development  

Matthias Pander  

Fraunhofer CSP

Fidelitas Demonstrator – Module Manufacturing and Reliability Testing     

Dr. Gerhard Mathiak 
TÜV Rheinland Energy GmbH 

19:30  |  Networking Dinner

Program October 24

9:00-10:20  |  Desert Module Design / Soiling and Abrasion


Title Speaker Institution
New Soiling Detection System Field Tests in Spain and Morocco

Dr. Marc Korevaar 

Kipp&Zonen BV   

PV Module Performance & Reliability in Desert Environment

Dr. Ben Figgis


Potentials in Optimization of PV Modules for Desert Applications

Hamed Hanifi

Fraunhofer CSP
First Moroccan Monitoring System Ahmed Benlarabi IRESEN


11:00-12:20  |  Data Science in PV Systems


Title Speaker Institution
How the Digital Twin Provides STC Values and Changes the Monitoring & Analysis Approach Radically

Ingmar Kruse

SunSniffer GmbH

Classification of Electroluminescence Pictures in Solar Cell Mass Production using Modern Neural Networks

Markus Patzold


Energy Yield Simulations of PV Systems Using Machine Learning Methods

David Daßler

Fraunhofer CSP


13:30 - 14:50  |  Importance of PV for the Energy Transition – Opportunities and Challenges of Digitalization

Title Speaker Institution
PV Energy Systems – Economic Considerations and Risks from a Finance Perspective

Felix Holz   

Deutsche Bank

Virtual Sensors by Digital Twin Technology Elevate Asset Management and O&M to the Next Level, Providing Most Information for Sound Action Readiness

Ingmar Kruse

SunSniffer GmbH

The Role of Photovoltaics in Germany’s "Energiewende"

Stephan Riedel    

Naturstrom AG
Energy Policy in Germany – Some Economic Considerations Dr. Christian Growitsch
Fraunhofer CEM

15:30  |  Panel Discussion: Importance of PV for the Energy Transition - Opportunities and Challenges of Digitalization


  • Dr. Christian Growitsch  |  Head of Fraunhofer CEM
  • Felix Holz  | Vice President Expert Team Greentech Deutsche Bank AG
  • Dr. Jörg Müller  |  Vice President R&D Cells Hanwha Q Cells GmbH
  • Ingmar Kruse | CTO SunSniffer GmbH
  • Stephan Riedel  |  Head of Technical Management Naturstrom AG

9:00 - 10:20  |  Wafering Technologies I


Title Speaker Institution
Wire Sawing Technologies: Future Development Needs

Dr. Oliver Anspach

PV Crystalox Solar Silicon GmbH

Impact of the Diamond Wire Sawing Process on Solar Cell Processing and Efficiency

Dr. Thomas Kaden

Fraunhofer THM

Inline and Offline Characterizations of Diamond Electroplated Sawing Wires for the Wafering of Solar Grade Silicon

Dr. Michel Ly  

Thermocompact, Alternative Energies and Atomic Energy Commission

Cutting Performance of Structured Wire in Correlation to the Wire Geometry Ringo Köpge
Fraunhofer CSP


11:00 -12:20  |  Wafering Technologies II


Title Speaker Institution
Numerical Model for Sub-Surface Damage in Diamond Wire Sawn Silicon

Florian Wallburg

HTWK Leipzig

Numerical Modeling of Multi Wire Sawing Process: Interaction of Wire Web and Silicon Removal

Kjell Bühler 

Fraunhofer CSP

Electrical Discharge on Multi-wire for Slicing Single Crystalline Si-Wafers

Dr. Boyun Jang

Korea Institute of Energy Research KIER

Silicon Wafer Spalling: The Effect of Crack Propagation Dynamics Dr. Rico Meier  Arizona State University