Industry Directory
Manufacturers, technology developers, and research institutes building the tandem solar supply chain.
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Equipment & Manufacturers
GCL Optoelectronics
ManufacturerKunshan-based GCL unit runs what it calls the world's first GW-scale perovskite-silicon tandem production line.
Technology
Perovskite-Silicon Tandem
Status
1 GW Factory Live
Location
🇨🇳
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LONGi Green Energy
ManufacturerGlobal solar manufacturing giant holding multiple world records for perovskite-silicon tandem cell efficiency to date.
Technology
Perovskite-Silicon Tandem
Status
R&D / Scaling
Location
🇨🇳
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Oxford PV
ManufacturerPioneer and global leader commercializing perovskite-on-silicon tandem solar cells, spun out from Oxford University.
Technology
Perovskite-on-Silicon
Status
Commercial Pilot
Location
🇬🇧🇩🇪
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Qcells (Hanwha)
ManufacturerMajor solar manufacturer running a pilot perovskite-silicon tandem production line in Bitterfeld-Wolfen, Germany.
Technology
Silicon HJT + Perovskite
Status
IEC 61215 & UL 61215 Certified
Location
🇰🇷🇩🇪
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First Solar
ManufacturerMajor US thin-film manufacturer; entered a non-exclusive US patent licensing agreement with Oxford PV.
Technology
Perovskite (via Oxford PV license)
Status
Patent Licensee, No Product
Location
🇺🇸
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JinkoSolar
ManufacturerOne of the world's largest solar manufacturers; set a certified perovskite/TOPCon tandem efficiency record.
Technology
Perovskite/TOPCon Tandem
Status
Lab Cell Record 34.82%
Location
🇨🇳
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Trina Solar
ManufacturerLeading global PV module supplier; announced a 907 W tandem module at 29.2% efficiency.
Technology
Perovskite-Silicon Tandem
Status
Module Record 29.2%
Location
🇨🇳
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Technology Developers
Caelux
Tech DeveloperInnovator of perovskite-coated glass products that integrate into existing solar module manufacturing workflows.
Technology
Perovskite Glass Coatings
Status
Commercial Scale-up
Location
🇺🇸
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Saule Technologies
Tech DeveloperPioneers in inkjet-printed perovskite solar cells for flexible, IoT, and architectural applications.
Technology
Printable Perovskites
Status
Commercializing
Location
🇵🇱
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Swift Solar
Tech DeveloperU.S.-based solar startup focused on lightweight, highly efficient all-perovskite and tandem photovoltaic technologies.
Technology
All-Perovskite & Tandem
Status
Development Phase
Location
🇺🇸
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Tandem PV
Tech DeveloperSilicon Valley cleantech company operating a 40 MW demonstration factory in Fremont, California.
Technology
Perovskite-Silicon Modules
Status
40 MW Demo Factory
Location
🇺🇸
Profile
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Research Institutes
Helmholtz-Zentrum Berlin (HZB)
Research InstituteLeading European research institute renowned for repeatedly setting world efficiency records in tandem photovoltaics.
Technology
Perovskite Tandem R&D
Status
World Record Research
Location
🇩🇪
Profile
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Fraunhofer ISE
Research InstituteThe largest solar energy research institute in Europe, offering testing, certification, and manufacturing scale-up.
Technology
Testing & Industrialization
Status
Global Certification & R&D
Location
🇩🇪
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KAUST Solar Center
Research InstituteAcademic research hub setting global benchmarks in perovskite interface engineering and extreme-weather testing.
Technology
High-Efficiency Tandem Cells
Status
Advanced R&D
Location
🇸🇦
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TNO Solar Energy
Research InstituteDutch research organization leading European consortia for industrial-scale perovskite silicon integration.
Technology
Industrial Tandem Integration
Status
Consortium Leader
Location
🇳🇱
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