Perovskite–silicon tandem
Pilot-line research toward commercial tandem modules with stabilised outdoor performance.
Pilot line at 31.2% cell efficiency| Cell efficiency | 31.2% |
|---|---|
| Stability (IEC) | 2,000 h damp heat |
| Target launch | 2028 |
What we build
From residential rooftops to gigawatt-scale plants — engineered, installed and operated under one quality standard.
Lab notes
Our R&D labs test next-generation cell architectures, bifacial yield models and predictive degradation analytics.
Visit the labs
31.2%tandem cell record
Portfolio
A global portfolio spanning deserts, alpine regions and tropical islands — each tuned to its local irradiance profile.


Alliance
We co-develop with utilities, governments, investors and manufacturers to accelerate the energy transition.
320+ partners on six continents
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Since 2004
Research
Our R&D labs test next-generation cell architectures, bifacial yield models and predictive degradation analytics.
Values measured under STC (1000 W/m², 25 °C, AM1.5G) unless noted.
Pilot-line research toward commercial tandem modules with stabilised outdoor performance.
Pilot line at 31.2% cell efficiency| Cell efficiency | 31.2% |
|---|---|
| Stability (IEC) | 2,000 h damp heat |
| Target launch | 2028 |
Field-validated n-type architectures with low temperature coefficients for hot climates.
Up to 25.8% module efficiency| Module efficiency | 25.8% |
|---|---|
| Temp. coefficient | −0.26 %/°C |
| Bifaciality | 85% |
Contributing to IEC TC82 standards and peer-reviewed photovoltaic science.
120+ peer-reviewed papers| Journals | Prog. Photovolt., Joule |
|---|---|
| Committees | IEC TC82, IEA PVPS |
| Collaborations | 14 universities |
Ray-tracing bifacial models and satellite irradiance for bankable P50/P90 forecasts.
P50/P90 modelling, ±1.5% accuracy| Accuracy | ±1.5% |
|---|---|
| Data history | 22 years |
| Resolution | 15 min |