Tandem photovoltaics, higher-efficiency modules, new interconnection and solar manufacturing scale-up.
Oxford PV and Fraunhofer ISE combined perovskite-silicon tandem cells with matrix-shingled interconnection in 491 W rooftop and 546 W bifacial module variants.
Source: Fraunhofer ISE · 2026-06-18
Fraunhofer ISE opened the Pero-Si-SCALE laboratory to move perovskite-silicon tandem cells toward industry-standard formats and module integration.
Source: Fraunhofer ISE · 2026-05-05
Fraunhofer ISE reported two record tandem photovoltaic modules: 31.3% for III-V/silicon and 34.2% for III-V/germanium. The homeowner question is not whether these records can be bought today, but what higher module efficiency could eventually change when roof area is the limiting factor.
Source: Fraunhofer ISE · 2026-02-17Higher power per roof area
Open analysis →31%+ module efficiency records
Open analysis →25.6% full-area module
Open analysis →Move from technology news to current cost, energy and installation tools.