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Business Areas Expand / Hide

• Photovoltaics Expand / Hide

  • Silicon Photovoltaics Expand / Hide

    • Feedstock, Crystallization and Wafering

    • Epitaxy, Si-Foils and SiC Deposition

    • Characterization of Process Materials and Silicon Materials

    • Doping and Diffusion

    • Surfaces: Conditioning, Passivation and Light-Trapping

    • Metallization and Structuring

    • High-Efficiency Silicon Cell Fabrication and Analysis

    • Pilot Processing of Industrial Silicon Solar Cells

    • Technology and Sustainability Assessment

    • Silicon Bottom Cells for Tandem Photovoltaics

  • III-V and Concentrator Photovoltaics Expand / Hide

    • III-V Epitaxy and Solar Cells

    • Concentrator Assemblies

    • Concentrator Optics

    • High-Concentration Systems (HCPV)

    • Low-Concentration Systems (LCPV)

    • Silicon Concentrator Solar Cells

    • Power-by-Light

    • III-V Silicon Tandem Photovoltaics

    • Thermophotovoltaics

  • Perovskite and Organic Photovoltaics Expand / Hide

    • Perovskite Solar Cells and Modules

    • Organic Solar Cells and Modules

    • Photon Management

    • Perovskite Silicon Tandem Photovoltaics

  • Photovoltaic Modules and Power Plants Expand / Hide

    • Module Technology

    • Module Calibration

    • Service Life and Failure Analysis

    • Photovoltaic Power Plants

    • Integrated Photovoltaics

    • Forecasting of Solar Irradiance and Power

• Energy-Efficient Buildings Expand / Hide

  • Building Envelopes Expand / Hide

    • Façades and Windows

    • Lighting Technology

    • Service Life of Modules and Materials

    • Building-Integrated Photovoltaics (BIPV)

  • Building Operations Management Expand / Hide

    • Monitoring of buildings and systems

    • Fault detection and diagnostics

    • Predictive maintenance

    • Energy consumption forecast and model predictive control

    • Building Information Modeling (BIM)

    • Internet of Things for the building operations management

  • Building Systems Technology Expand / Hide

    • Building Energy Concepts

    • Analysis of the Building Stock

    • Heat Networks

    • Load Flexibilization in Buildings

    • Monitoring and Operational Analysis

  • Low Temperature Solar Thermal Expand / Hide

    • Development of innovative components

    • Simulation, monitoring and optimization of systems

    • Manufacturing processes for solar thermal technology

    • Standardization, certification and characterization

    • Development of systems and relevant control algorithms

    • Coating of absorbers and reflectors

  • Heat Pumps Expand / Hide

    • Climate Friendly Refrigerants for Heat Pumps

    • Material Development and Coating

    • Component and Device Development

    • System Analysis and Optimization

    • Quality Assurance

    • Heat Pumps as Part of the Energy System

  • Heat and Cold Storage Expand / Hide

    • Materials Development

    • Component Development

    • Storage System Layout

    • System Integration

  • Ventilation and Air-Conditioning Expand / Hide

    • Refrigeration Technology and Natural Refrigerants

    • Heat Exchangers

    • Ventilation of Apartments und Offices

    • Dehumidification

• Hydrogen Technologies and Electrical Energy Storage Expand / Hide

  • Sustainable Synthesis Products Expand / Hide

    • Power-to-Liquids

  • Fuel Cell Systems Expand / Hide

    • Characterization of Components, Cells and Stacks

    • Characterization of Systems and Peripheral Components

    • Development of Stacks and Systems

    • Modelling and simulation performed on the microscale up to the system level

    • Production Research for Fuel Cells

  • Electrolysis and Power-to-Gas Expand / Hide

    • Characterization of Materials and Components

    • Development of PEM Water Electrolysis Systems

    • Power to Gas

    • Hydrogen Infrastructure

  • Battery Cell Technology

  • Battery System Technology Expand / Hide

    • Development of battery systems

    • Forming, Aging and Modeling

    • PV Home Storage and Commercial Storage

    • Battery Management Systems (BMS) and State Estimation

    • Modeling and Optimization of Batteries

    • Battery Interconnections

  • Applied Storage Systems

• Solar Thermal Power Plants and Industrial Processes Expand / Hide

  • Solar Thermal Power Plants Expand / Hide

    • Power plant processes and techno-economic optimization

    • High-temperature storage

    • System and process technology

    • Characterization and measurements

    • Material and collector development

    • Reports and studies

  • Concentrating Solar Collectors Expand / Hide

    • Solar Tower

    • Parabolic Trough Collectors

    • Linear Fresnel Collector

    • Innovative Concepts

    • Lab-Testing

    • Field-Testing

    • Materials and Coating

    • Modeling and Simulation

  • Water Treatment and Materials Separation Expand / Hide

    • Water Energy Nexus

    • Membrane Technology

    • Separation

  • Thermal Energy Storage for Power Plants and Industry Expand / Hide

    • Storage for Solar Heating Systems and Industrial Process Heat

    • High Temperature Storage for Power Plants

    • Component Development

    • Material development

    • Storage Design

    • System Integration

  • Industrial Processes and Process Heat Expand / Hide

    • Process heat collectors

    • Solar process heat systems

    • Development of process heat collectors

    • System development and optimization

    • Industry concepts and planning advice

    • Studies and trainings

  • Efficient Heat Exchangers Expand / Hide

    • Cooling Processes and Cooling Towers

    • Innovative Heat Exchangers

    • Heat Pipes, Evaporators and Condensers

    • Detailed Simulations of Heat Transfer

    • Pollution and Freezing

    • Component Measurement

• Power Electronics, Grids and Smart Systems Expand / Hide

  • Power Electronics and Grid Integration Expand / Hide

    • Power Electronics for Medium Voltage Applications

    • Efficient and High-Frequency Power Electronics

    • Power Electronics for PV and Storage Systems

    • Power Electronics for Electric Mobility

    • High Power Converters

    • Power Electronics for Power Grids

  • Smart Grids Expand / Hide

    • Smart Metering and Control Systems

    • Grid Planning

    • Grid Operation

    • Charging Infrastructure for Electric Mobility

    • Interconnected Distributed Systems

    • Urban District and Neighborhood Management

    • Energy Data Analysis

  • Energy System Analysis Expand / Hide

    • Energy Economics of Energy Systems

    • Techno-Economic Assessment of Energy Technologies

    • Decarbonization Strategies and Transformation

    • Business Models, Flexibility and Marketing

    • Smart Cities and Sustainable Energy Systems for Cities and Districts

    • Assessment of Resources for the Energy Transition

    • Energy System Models at Fraunhofer ISE

    • Social Science Analyses of the Energy System

R&D Infrastructure Expand / Hide

• Laboratory Centers Expand / Hide

  • Center for High Efficiency Solar Cells

  • Center for Heating and Cooling Technologies

  • Center for Electrical Energy Storage Expand / Hide

    • Battery Testing

    • Lab Lighting and DC Appliances

  • Center for Material Characterization and Durability Analysis

  • Center for Power Electronics and Sustainable Grids Expand / Hide

    • Digital Grid Lab

  • Center for Optics and Surface Science

  • Center for Fuel Cells, Electrolysis and Synthetic Fuels

  • Center for Emerging PV Technologies

• Technology Evaluation Centers Expand / Hide

  • PV-TEC – Photovoltaic Technology Evaluation Center

  • Module-TEC – Module Technology Evaluation Center

  • Con-TEC – Concentrator Technology Evaluation Center

• Accredited Laboratories Expand / Hide

  • CalLab PV Cells / CalLab PV Modules Expand / Hide

    • CalLab PV Cells

    • CalLab PV Modules

    • WPVS Reference Cells

    • Outdoor Reference Cells

  • TestLab PV Modules Expand / Hide

    • Certification Procedure

  • TestLab Solar Thermal Systems

  • TestLab Solar Façades

  • TestLab Power Electronics

  • TestLab Heat Pumps and Chillers

Key Topics Expand / Hide

• Tandem Photovoltaics – The Road to Higher Conversion Efficiencies Expand / Hide

  • Characterization & Cell Calibration

  • Production Technology

  • Solar Cell Development

  • Module Technology

  • Module Calibration and Durability

  • Applications for Tandem Photovoltaics

• Integrated Photovoltaics – Areas for the Energy Transformation Expand / Hide

  • Building-Integrated Photovoltaics

  • Vehicle-Integrated Photovoltaics

  • Road-Integrated Photovoltaics

  • Agrivoltaics

  • Floating Photovoltaics

  • Urban Photovoltaics

• Heat Pumps – A Key Technology for the Energy Transition Expand / Hide

  • Heat Pumps in New Single-Family Homes

  • Heat Pumps in Existing Single-Family Homes

  • Heat Pumps in Apartment Buildings

  • Heat Pumps in Commercial Buildings

  • Heat Pumps in the Industry

  • Heat Pump Technology

• Stationary Battery Storage – Stability and Flexibility in the Energy System Expand / Hide

  • Large-scale Battery Storage

  • Commercial and Industrial (C&I) Storage Systems

  • District Storage Systems

  • Home Energy Storage

About Fraunhofer ISE Expand / Hide

• Staff Profiles

• Organizational Structure Expand / Hide

  • Directorship, Head of Administration and Communications

  • Scientific Divisions and Departments

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• Data and Facts

• Guiding Principles of Fraunhofer ISE

• Information Material

• Branch Offices

• Networking

• Spin-offs

• Membership in Organizations

• Sustainability

Publications Expand / Hide

• Studies Expand / Hide

  • Study: Paths to a Climate-Neutral Energy System

  • Recent facts about photovoltaics in Germany

  • Sustainable PV Manufacturing in Europe

  • 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

• Conference Papers Expand / Hide

  • 2022

  • 2021

  • 2020

  • 2019

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  • 2017

  • 2016

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  • 2014

  • 2013

• Newest Fraunhofer ISE Publications

Research Projects Expand / Hide

• CAS-T

• FLiBatt

• PVwins

• StraZNP

• LamA-connect

• Jumbotrough

• APV Obstbau

• micro-CPV

• PCM Metro II

• APV-MaGa

• From Chile Saltpetre to Solar Salt

• safeSENSE

• SEArcularMINE

• HAID-POWER

• HEAVEN

• HYBAT

• HyDrive-OWL

• OrtOptZelle

• power4re

• Printsolid

• PV2WP – PV Prediction for Grid-Compatible Control of Heat Pumps

• PV-Süd

• RoMoT

• TransDE

• UP-STRING

• SIMBA

• Prometheus

• CINES

• WAMS

• H2Demo

• HyPErFarm

• NESSI

• StoRelH2

• District

• HelioSense

• BuildDigitized

• BKM_2.0

• 3D

• CTS1000+

• Optimus

• DABESI

• HyFab-BW

• KoMoGER

• MODUS

• follow-e demo

• PV2FLOAT

• Shirkan

• BALDACHIN

• PLöPSS

• QuintuMod

• IND-E

• Modulus

• DiBesAnSHK

• KETEC

• Al4HP

• OptOM

• LowEx-Bestand NK4HTWP

• ISWK

• ElVis

• SubSeGa

• Design2PV

• SOLREV

• Living Laboratory on Large-Scale Heat Pumps

• MonSec

• LC150

• BetterBAT

• adapt

• Farbkollektor

• unique

• PrEsto

• Innovation Lab APV 2.0

• MS-LeiKra

• SiC-BiNet

• SiC-MSBat

• VerbundnetzStabil

• AI4CITIES

• Recent Research Projects

• Sovereign Value Cycles

• Solbeado

• Pioneer

• agri-pv-bawue

• H2Carsharing

• Carbon2Chem® Phase 2

• Thermal breakage

• FC-CAT

• LowEx-Bestand-HTWP

• HPPVT40

• EnEff:Stadt: PED-urban

• See-Through-PV

• Synergy Façade

• AI4Grids

• AIIR-Power

• HighRec

• DIAMOND

• SuPerTandem

• PeroTec Efficiency Phase 1

• BIPV-Initiative

• SmartCSP

• PICASO – Novel power-to-ammonia process for sustainable ammonia synthesis

• Similar – Simulation and testing of mechanical loading situations for innovative PV applications and modules

• HAST development – Non-destructive evaluation of the aging properties of module components and validation of adapted HAST methods.

• ecoLEPuS

• ResHy – Resource-Saving Hybrid Battery - Construction, Integration and Operational Optimization

• SynAgri-PV

• INFAB

• HIPERION

• OffsH2ore

• SICOM-LIB

• EQWIN-P

• EnOB: DiMASH

• PRONTO

Renewable Energy Data

Press Expand / Hide

• Press Releases Expand / Hide

  • 2022 Expand / Hide

    • PERC Solar Cells from 100 Percent Recycled Silicon

    • Fraunhofer ISE Successful in Patent Infringement Process for Inverter Technology

    • Towards a GW industry - Fraunhofer ISE provides a deep-in cost analysis for water electrolysis systems

    • π -COMET technology: First European OME production in industrially relevant environment

    • Fraunhofer ISE develops mobile test stand for high-resolution Power-to-X kinetic analysis

    • Rotary screen printing boosts cycle times

    • High Speed Processing on Large Wafers with Newly Developed On-the-Fly Laser Equipment

    • Fraunhofer ISE Develops the World's Most Efficient Solar Cell with 47.6 Percent Efficiency

    • AVUSpro: Sensor Autonomously Measures Soiling on Solar Power Plants

    • Fraunhofer ISE Demonstrates First Long-Term Operation of Methanol Synthesis from Blast Furnace Gas with Miniplant

    • Thomas Speidel, Dr. Thorsten Ochs of ADS-TEC Energy and Stefan Reichert, Fraunhofer ISE, are nominated as a team for the Deutschen Zukunftspreis 2022

    • Promoting the Expansion of Photovoltaics by Cutting Production Times for High-Efficiency Solar Cells by Half

    • Propane-based Refrigeration Circuit for Heat Pumps Achieves New Efficiency Record

    • Kalyon and Fraunhofer ISE Sign MoU for Research on Integrated Photovoltaics and PV Storage Technologies

    • Fraunhofer ISE Supports Energy-Intensive Industries in Identifying Energy-Saving Potential

    • Advancing Perovskite-Silicon Tandem Solar Cell and Module Technology to Industrial Maturity

    • New Project to Replace Gas and Oil Heating Systems in Multi-Family Buildings with Propane Heat Pumps

  • 2021 Expand / Hide

    • Fraunhofer ISE develops highly compact inverter for direct connection to medium-voltage grid

    • Dual Yield on Arable Land: Guideline for Agrivoltaics Published

    • Fraunhofer ISE Sets New World Record of 26 Percent Efficiency for Both-Sides-Contacted Solar Cell

    • European Photovoltaics Industry is Booming – Fraunhofer ISE Collaborates in Andalusian 5-Gigawatt Project

    • Tandem Photovoltaics Enables New Heights in Solar Cell Efficiencies – 35.9 % for III-V//Silicon Solar Cell

    • The Center for High Efficiency Solar Cells – Fraunhofer ISE Inaugurates New Lab Building

    • How the Building Sector Can Achieve Its Climate Targets After All

    • Monitoring Validates Energy Targets of Freiburg’s New Administration Building “Rathaus im Stühlinger”

    • Installed PV Capacity Grows For Large Rooftop Systems That Face East-West with Small Tilt Angles

    • Levelized Cost of Electricity: Renewables Clearly Superior to Conventional Power Plants Due to Rising CO2 Prices

    • Record Efficiency of 68.9% for GaAs Thin Film Photovoltaic Cell Under Laser Light

    • The Fraunhofer-Gesellschaft Opens the ENIQ Showroom on the EUREF Campus in Berlin

    • Solar Systems Learn To Swim: Research and Industry Join Forces to Perform Long-Term Tests On Different System Designs

    • German Net Electricity Generation in First Half of 2021: Decline in Renewables due to Weak Winds

    • Photovoltaics Report Delivers Facts about Solar Energy Worldwide

    • Project PV-Live: New solar irradiance data set published

    • First agrivoltaic system for carbon-neutral orcharding being tested

    • European Glass-Glass Photovoltaic Modules Are Particularly Climate-Friendly

    • Study: Technological Learning is Key for Resource Efficient Terawatt Scale Photovoltaics

    • Staggered and Arrayed: M10 Industries AG and Fraunhofer ISE Develop Matrix Shingle Technology to Industrial Maturity

    • Unique Measurement Campaign Launched to Reduce Refrigerant Charge in Heat Pumps With Propane

    • Electric Truck with Fully Integrated Photovoltaics Picks Up Speed

    • Four Decades of Research for the Energy Transition: Fraunhofer ISE Celebrates its 40th Anniversary

    • Fraunhofer ISE: Germany’s Tightened Climate Targets Can Be Met by 2045 with Extensive and Rapid Measures

  • 2020 Expand / Hide

    • New Record Efficiency for Tandem Solar Cell Technology

    • Institute Director Prof. Dr. Hans-Martin Henning appointed to Expert Council on Climate Issues

    • HelioControl Project Completed: Determination and control of aim points for heliostat fields in operation

    • Higher and Faster with Tandem Photovoltaics – The Focus of Fraunhofer ISE at the EU PVSEC Conference

    • The Energy Charts: Online Data Platform Relaunched Today with New Features

    • Higher Efficiencies in Organic Photovoltaics – New Record for 1 cm² Solar Cell

    • HighLine Technology GmbH – New Fraunhofer ISE Spin-Off for Sustainable Solar Cell Production

    • Fraunhofer ISE Receives f-cell Award 2020

    • C³PO Project: New Laser-Based Contacting Process Developed For Solar Cells

    • Consortium Develops Compact Refrigeration Circuit for Heat Pumps Using Propane

    • Material Analysis for the Global Energy Transition

    • Ensuring Medical Care in Crises and Emergencies

  • 2019

  • 2018

  • 2017

  • Press Releases 2016

  • Press Releases 2015

  • Press Releases 2014

  • Press Releases 2013

  • Press Release Archive

• News Expand / Hide

  • News 2022 Expand / Hide

    • 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

  • News 2020

  • News 2019

  • News 2018

  • News 2017

  • News 2016

• Press Photos

• Data / Facts

Events Expand / Hide

• AgriVoltaics

Study | Jobs | Career Expand / Hide

• Lecture Courses / Seminars

• Courses of Study

In Memory of Prof. Adolf Goetzberger

40 Years Fraunhofer ISE

Functional Printing

Simulations Expand / Hide

• Fluid Mechanics

• Process Simulations

• Heat Transport

• Electrical and Electrochemical Modeling

• Mass Transport and Chemical Reactions

Laser Technologies Expand / Hide

• Laser-Matter Interaction

• High-Throughput Laser Processing

• Laser Thermal Annealing