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Fraunhofer Institute for Solar Energy Systems ISE
Fraunhofer Institute for Solar Energy Systems ISE
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Business Areas
Photovoltaics: Materials, Cells and Modules
Silicon and Germanium – Epitaxial Wafers
Silicon Solar Cells and Modules
Shingle Solar Cells and Modules
Module Recycling
Copper-Metallized Silicon Solar Cells
Silicon-Based Tandem Solar Cells and Modules
Perovskite Thin-Film Photovoltaics
Organic Photovoltaics
III-V Solar Cells, Modules and Concentrator Photovoltaics
III-V Material Development and Epitaxy
Process Technology and Device Fabrication
Modeling and Design of III-V Solar Cells and Devices
Characterization of III-V Solar Cells and Modules
Interconnection Technology and Reliability Testing for III-V Solar Cells and Modules
Concentrator Photovoltaic Modules
Development of III-V Silicon Tandem Solar Cells
Photonic and Electronic Power Devices
Photonic Power Converters – Device Design and Optimization
Power-by-Light Systems
Indoor Photovoltaics
Thermophotovoltaics
Power Electronic Devices and Detectors
Engineered Substrates on Indium Phosphide Basis
Photovoltaics: Production Technology and Transfer
Metrology and Simulation
Coating Technologies and High-Temperature Processes
Wet and Dry Chemical Processes
Galvanic Metallization for Solar Cells
Spray Deposition for Solar Cells
Interconnection and Encapsulation Technologies
Shingle-Matrix Technology
Interconnection Technologies
PV Module Prototypes for Power Plants and Roof-Mounted Systems
Encapsulation Technologies
Digital Prototyping and Factory Planning
PV Module Prototypes for Integrated Photovoltaic Systems
Module Technologies for Tandem Photovoltaics
Artificial Intelligence and Data Management
Deep Learning Processes for Rapid Quality Control from Wafer to Solar Cell
Generative AI Models and Transfer Learning for Data and Measurement Technology Optimization
Physics-Informed AI Models for Interpretable Data Analysis
Video Analysis for Digitalizing Inventory
Process Control and Predictive Maintenance Methods
Data Management in Database Networks with Metadata Models
Modular Digitalization Concepts for Multi-Variant Production
Technology Assessment and Transfer
Laser Technology
Laser-Based Joining, Sintering and Contacting
Laser Structuring of High-Precision Printing Forms
In-situ Metrology and Laser Process Control
Laser Based Thermal Processing
High-Speed Laser Processing
Laser Processing of Transparent Materials
Printing Technology
Screen and Stencil Printing
Rotary Printing
Drying and Sintering Technology
Digitalization and Simulation of Printing Processes
Inkjet
FlexTrail
Dispensing
Solar Power Plants and Integrated Photovoltaics
Module Analysis and Reliability
Photovoltaic Solar Power Plants
PV Potential Analyses and Feasibility Studies
Data Driven Quality Assurance of PV Power Plants
PV-Systemsimulation
Integrated Photovoltaics
Agrivoltaics
Biodiv-PV
Floating Photovoltaics
Building-Integrated Photovoltaics
Urban Photovoltaics
Peatland PV
Green-Roof Photovoltaics
Solar Thermal Power Plants
Solar Energy Meteorology
Power Electronics and Grids
Power Converters
High-Power Electronics and System Engineering
Smart Metering and Grid Control
System Communication through Smart Metering Systems (iMSys)
Grid Planning and Operation
Modeling the Supply Task of Grids
Optimization of Grid Expansion
Grid Compatibility of Large-Scale Battery Storage Systems
Converter-Based Power Grids and System Stability
Electrical Energy Storage
Battery Materials and Cells
Lithium Ion Technologies
Sodium-Ion Technologies
Zinc-Ion Technologies
All-Solid-State Batteries
Supercapacitors
Battery Engineering
Electrical and Thermal Characterization
Aging and Service Life Forecasts
Modeling and Optimization of Battery Systems and Components
Optimization of Battery Safety
Battery Management Systems and State Estimation
Development of Battery Systems
Production Technology for Batteries
Energy-Efficient Clean and Dry Rooms and Mini-Environments
Battery Cell Production
Particle Refining by Powder Processing Techniques
Wet and Dry Electrode Manufacturing and Thin-Film Technology
Cell Connection Technologies for Battery Modules
Battery Integration and Operational Management
Concepts for Storage Applictions
Optimization and Characterization of Storage Applications
Integrated Planning and Control of Storage Systems – NRGISE.ONE
Technology Evaluation for Batteries
Battery Recycling
Life Cycle Analysis and Techno-Economic Evaluation of Batteries
Market Analysis and Comparison of Battery Technologies
Product and Strategy Development for Batteries
Digitalization in Battery Research and Production
Research Data Management
Digital Tools and Services
Data Analysis Using Artificial Intelligence Methods
Digital Infrastructures for Production and Research Data
Climate-Neutral Heat and Buildings
Building System Technology
Energy Concepts for Buildings and Districts
Load Flexibility in Buildings
Analysis of the Building Stock
Digitalization of Planning, Construction and Installation Processes
Cognitive Buildings
Building Information Modeling
AI Methods for Monitoring and Optimization of Building Technology
Monitoring of Buildings and Systems
Building Envelopes
Component Evaluation
Planning Support
Measurements of Reflection and Transmission Behavior
Heat Pumps
System Analysis and Optimization
Life-Cycle-Assessment
Sound and Acoustics
Installation and Operation of Heat Pumps
Heat and Cold Storage
Ventilation, Air-Conditioning, Refrigeration
Drying and Dehumidification
Cooling Technology
Indoor Air – Health and Comfort
Safety for Flammable Refrigerants
Water Treatment and Materials Separation
Solar Thermal: Systems and Components
Construction and Manufacture of PVT Collectors, Solar Thermal Collectors and Systems
Functional and Lifetime Testing, Standardization, Certification
Solar Thermal Heat Supply and Operational Management
Cost and Performance Optimization of Solar Thermal Systems
Hydrogen Technologies
Fuel Cell
Characterization of Fuel Cell MEAs
Characterization of Fuel Cell Stacks and Systems
Production of Fuel Cell and Electrolysis Membrane Electrode Assemblies
Modeling of PEM Fuel Cells
Membrane Electrolysis
Characterization of Materials and Components for Membrane Electrolyzers
Sustainable Synthesis Products
Production of Sustainable Synthesis Products
Hydrogen Production from Sustainable Synthesis Products
CO2 Direct Air Capture (DAC)
Hydrogen System Analysis
Analysis and Optimization of Regional Hydrogen and Power-to-X Ecosystems
Analysis and Optimization of Global Hydrogen and Power-to-X Supply Chains
Development and Evaluation of Hydrogen Infrastructures and Electrolysers
Life Cycle Assessment for Hydrogen Technologies
Process Simulation for Innovative Industrial Processes
System Integration
Energy System Analysis
Energy System Models at Fraunhofer ISE
Techno-Economic and Market Analyses for Energy Technologies
Decarbonization Strategies, Transformation and Sector Analyses
Resources Evaluation for the Energy Transformation
Energy Economics of Energy Systems
Economic and Social Analyses on Energy Technologies
Business Models, Flexibility and Marketing
Integrated Energy Infrastructures: Electricity, District Heat, Gas
Transformation and Digitalization of Heating Networks
Energy Data and Monitoring
Flexibility Management of Energy Systems
Data-Driven Operations Management for Cross-Sector Energy Facilities
Aggregation and Pooling of Decentralized Energy Systems
Energy Management: Forecast-Based Optimization and Model-Predictive Control
Synthetic Profiles for Supply and Consumption
Forecasts for Operations Management Systems (AI-Based Load Forecasting)
Energy Solutions for Industry
Integration of Technologies for Decarbonizing the Industry
Technologies and Concepts for Sustainable Data Centers
Negative Emission Technologies
Decarbonization and Transformation Concepts, Energy-Efficient Analyses, Roadmaps
Climate-Neutral Cities, Urban Districts and On-Site Systems
Transformation Management and Stakeholder Involvement
Agent-Based Energy Management in Urban Districts
Plus-Energy Districts (PEDs)
Energy Communities for the Neighborhood and the Property
Cross-Sectoral Energy System Modeling and Planning for Communities
Potential Analyses of Renewables and GIS Analyses for Obligatory PV
Electric Mobility
Electrification of Transportation and Logistics
Living Labs
R&D Infrastructure
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R&D Infrastructure
Laboratory Centers
Center for Heating and Cooling Technologies
Center for Electrical Energy Storage
Lab Battery Engineering, Production and Testing
Lab Characterization and Post-Mortem Analysis
Lab Battery Materials and Cell Production
Lab Energy Storage Application and Innovation
Center for Material Characterization and Durability Analysis
Outdoor Performance Lab
Center for Power Electronics and Sustainable Grids
Digital Grid Lab
Medium Voltage Lab
Center for Electrolysis, Fuel Cells and Synthetic Fuels
H
2
ProSim
Laboratory for Sustainable Synthesis Products
Electrolysis Laboratory
Fuel Cell Laboratory
Laboratory for Production Research on Fuel Cell and Electrolyzer Membrane Electrode Assemblies
Center for Emerging PV Technologies
Center for Functional Surfaces
Vacuum Coating Technology Center
Lab Structuring and Photonics
Lab Characterization of Functional Surfaces
Center for High-Efficiency Solar Cells
Pero-Si-Lab
III-V, Si & Ge Epitaxy Lab
III-V and Si Cleanroom Technology
Pero-Si-SCALE
Technology Evaluation Centers
PV-TEC – Photovoltaic Technology Evaluation Center
Module-TEC – Module Technology Evaluation Center
Con-TEC – Concentrator Technology Evaluation Center
H2 MEA-TEC – Hydrogen Membrane Electrode Assemblies Technology Evaluation Center
Accredited Laboratories
CalLab PV Cells / CalLab PV Modules
CalLab PV Cells
CalLab PV Modules
WPVS Reference Cells
Outdoor Reference Cells
TestLab PV Modules
Module Certification
Testing and Measurement Procedures
TestLab Solar Thermal Systems
TestLab Solar Façades
TestLab Power Electronics
TestLab Heat Pumps and Chillers
Key Topics
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Key Topics
Medium Voltage – A Resource-Efficient Way to Interconnect
Energy Provision
Energy Storage
Energy Distribution
Energy Utilization
Hybrid Power Plants
Climate-Neutral Industry
Transformation to Climate Neutrality
Technologies and Systems
Dimethyl Ether – A Multi-Talented Fuel For Sustainable Mobility, Industry and the Energy Sector
Dimethylether as Hydrogen Carrier
Dimethylether as a Platform Molecule
About Fraunhofer ISE
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About Fraunhofer ISE
Profiles Institute Directorate
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Organizational Chart
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Sustainability
Sustainable Development Goals
Annual Report 2025/26
Information to the Public Pursuant to Section 8a of the Major Accidents Ordinance
Publications
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Publications
Studies
Study: Paths to a Climate-Neutral Energy System in Germany
Recent Facts about Photovoltaics in Germany
Guideline: Agrivoltaics
Study: Levelized Cost of Electricity- Renewable Energy Technologies
Study: Supergrid
Study: What will the Energy Transformation Cost?
Photovoltaics Report
Study: Current Status of Concentrator Photovoltaic (CPV) Technology
Study: Current and Future Cost of Photovoltaics
Meta Study: Future Crosssectoral Decarbonization Target Systems in Comparison to Current Status of Technologies
Study: Power-to-X Country Analyses
Analysis: Hydrogen Strategy UAE
Study: IndWEDe
Study: Cost Forecast for Low Temperature Electrolysis
Study: Power-to-X Colombia
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News
2025
Call for Papers: International Conference in Electrolysis ICE 2025
Fraunhofer ISE and The University of Auckland cooperate on artificial intelligence in battery research
Rewetting More Peatlands with Photovoltaics
A decade of solar energy research: Fraunhofer Chile celebrates the 10th anniversary of the Center for Solar Energy Technologies
Sustainable Energy Transition: Werner Siemens Foundation Supports Research on High Efficiency Tandem Photovoltaics
Silicon Heterojunction Solar Cells Realized with Record Savings in Silver
InP-on-GaAs substrates can replace prime indium phosphide wafers
Scalable Path to Produce Perovskite Silicon Tandem Solar Cells
Indoor photovoltaics with over 40 percent efficiency developed
Anup Premaraj Kamath from Fraunhofer ISE receives 1st Bruno Scrosati Award
Project "SUREVIVE": How Distribution Grid Systems Stabilize the Electricity Grid
New laser power converters transmit power further and better
Real-world data confirms potential of vehicle-integrated solar panels
High-Efficiency Solar Cells for Space: 1st Place for Fraunhofer ISE at the INNOspace Masters Award
ODTÜ-GÜNAM and Fraunhofer ISE join forces in photovoltaics research
Fraunhofer ISE Receives German Sustainability Award
TALON PV and Fraunhofer ISE establish pilot manufacturing line in Germany
Dr. Elias Frei appointed deputy director of Fraunhofer ISE
ERC Synergy Grant for Research on Highly Efficient Solar Cells
Callum Gannon Receives Gerda Ruf Award
Industrial heat pump manufacturers in starting position for market breakthrough
Medium Voltage Saves Material and Costs in Photovoltaic Power Plants
ReNew Project: Scaling MW Charging Stations in a Technically and Economically Viable Manner
AI-based quality control for sustainable battery production
2024
Large-scale production of PEM electrolyzers: Catalyst inks for scalable printing technologies with reduced iridium loading
Project Launch of UtiliSpaces: Control and Power Regulation within the Smart Meter Infrastructure
Majority of Farmers View Agrivoltaics as Positive
"BatterieDigital_real" project: Artificial intelligence for battery research
Solar Potential on Electric Vehicles within Europe
Fraunhofer ISE Successfully Produces TOPCon Solar Cell with 24 Percent Efficiency in M10 Format
Circular Water Strategies in Solar Cell Manufacturing Could Realize Potential Water Savings of up to 79 Percent
Optimally Tracked PV Systems with Deep Learning
International Solar Energy Leaders and Researchers Discuss Shared Challenges, Growth Opportunities at 4th Multi-Terawatt Workshop
Soltec and Fraunhofer ISE jointly develop cost competitive prototype for next-generation concentrating photovoltaics
German Chancellor Fellow Mrinal Madas researches sustainable urban development at Fraunhofer ISE
Two Young Scientists at Fraunhofer ISE Distinguished for Outstanding Master and Doctoral Thesis
PhD Student Alexander Goebel Receives Scholarship from the Nagelschneider Foundation
Fraunhofer ISE Provides Technological Support to the Growing PV Industry in the USA
INFAB project develops cost-effective and environmentally friendly alternatives to lithium-ion batteries
Dr. Elias Frei takes over as Head of Hydrogen Technologies at Fraunhofer ISE
Scalable Perovskite Silicon Solar Cell with 31.6 Percent Efficiency Developed
Christian Schmiga and Oussama Er-Raji of Fraunhofer ISE Honored for their Research Work
Henri, Grand Duke of Luxembourg at Fraunhofer ISE
Robin Lang Receives 'Best Oral Presentation Award' at the PVSEC-35
Fraunhofer Bessel Prize winner Dr. Jasna Jankovic conducts research at Fraunhofer ISE
2023
Project "HV-MELA-BAT": High-Voltage Megawatt Charging System for Heavy-Duty and Passenger Vehicles
Fraunhofer-Bessel Award Winner on Research Stay at Fraunhofer ISE
Fraunhofer ISE To Support PV Module Manufacturer Emmvee with New Solar Cell Production Line
Electric Truck with Integrated Photovoltaics Passes Practical Test Phase
Hydrogen from Australia to Germany via Rotterdam: Fraunhofer ISE and Port of Rotterdam Jointly Sign Letter of Intent
New IEA Task: Identifying Sustainable and Economical Heating Technologies.
Durable Grid-forming PV Inverters for Stable Grid Operation
Project FEDECOM: Flexible and Interoperable Energy Communities
No more dead spots in buildings: Fraunhofer ISE develops insulating glass transparent to radio waves
Technology Platform for the Scale-Up of Perovskite-Silicon Tandem Photovoltaics Gets the Go-Ahead
Future Hydrogen Infrastructure: From early islands of hydrogen to a networked hydrogen economy
Fraunhofer ISE Has a Revised Organizational Structure as of July 2023
World Record Efficiency of 15.8 Percent Achieved for 1 cm² Organic Solar Cell
New Project “HybridKraft” Launched: PV Electricity Shall Increase Efficiency of Solar Thermal Power Plants
Efficient Mass Production of Fuel Cells
Fraunhofer ISE To Support Setup of PV Production Site in France
The Fraunhofer-Gesellschaft and Colombia’s Ministry of Mines and Energy sign a memorandum of understanding for future research projects on expanding the hydrogen sector
Laboratory cell demonstrates the huge potential of perovskite-based triple-junction solar cells
Oliver Höhn Receives 2.7 Million Euro Grant from the European Research Council
Silicon-based Multijunction Solar Cell Reaches Record Efficiency of 36.1 Percent
Research on large-scale production of green hydrogen carriers in Chile
Laser Processing System for Large-Format Wafers Combines High-Throughput and Precision
News 2022
Elisa Kaiser from Fraunhofer ISE receives Young Scientist Award at CPV-18 Conference
Stringer for Manufacturing Matrix Shingle Modules Goes into Series Production
3rd Terawatt Workshop
International Energy Workshop in Freiburg: Modeling Future Energy Systems
Özde Seyma Kabakli from Fraunhofer ISE Receives Poster Prize at the 14th International Conference on Hybrid and Organic Photovoltaics
Fraunhofer ISE signs Open Letter regarding the REPowerEU Plan
Juan Francisco Martínez Sánchez Wins the Gips-Schüle Young Scientist Award for his Development of a High-Efficiency PV Hybrid Concentrator Module
Ammonia as a hydrogen vehicle: New integrated reactor technology for the energy transition
Fraunhofer ISE Develops Solar-Powered Ice Maker and Solar Dryers for Fishermen and Farmers in Kenya
Fraunhofer ISE and GHD are developing the National Hydrogen Strategy of the United Arab Emirates
Prof. Dr. Christopher Hebling receives the Global Excellence Award by Energy and Environment Foundation
Team consisting of ADS-TEC and Fraunhofer ISE among the Top Three Finalists of the German Future Award 2022
Project SOLARX: Production of Heat, Electricity and H2 from Solar Energy
First Green Solar Modules Integrated into Façade of the Center for High Efficiency Solar Cells
Large Potential for Floating PV on Pit Lakes in the Upper Rhine Valley in Baden-Wuerttemberg
News 2021
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News 2018
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News 2016
2026
“PVgoesMV”: World's first medium-voltage PV power plants with 3 kV string inverters
EuroSun2026: International network meeting in Freiburg in September
Brazilian R&D Institutions and Fraunhofer ISE Start Cooperation
Interlaboratory comparison demonstrates highest precision in PV Module power measurements
AI-supported models improve solar radiation forecasts
3D-printed thermal energy storage: Fraunhofer ISE launches new project for the heat transition
Photovoltaics Equipment: Global Market Entering a Phase of Unprecedented Growth
Silver Consumption in TOPCon Solar Cells Reduced by Factor 10
Electric Truck Fleets: Fraunhofer ISE Recommends a Cost-Optimized Combination of PV, Storage, and Energy Management
Fraunhofer ISE Study: Negative Emission Technologies Crucial for Climate Neutrality by 2045
World's most efficient solar module: Shingle Matrix technology meets space solar cells
Battery Material Recycling: Fraunhofer ISE Joins Major European Project
Efficient Production of Solar Hydrogen Through Direct Coupling of Concentrating Solar Cells and Electrolyzer
Team ESILIB: Award for Sustainable Batteries with Increased Storage Capacity
Indo-German Research on Floating Photovoltaic Systems
A New Milestone for Photovoltaics: Solvent-Free Tandem Solar Cells
“PaNaBat” International Platform: Fraunhofer ISE Supports Research on Sustainable Battery Raw Materials
How hot does a battery cell really get? Minimally invasive core temperature measurement of battery cells
A New Milestone for Photovoltaics: Solvent-Free Tandem Solar Cells
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