The comprehensive B2B hub for Perovskite-Silicon Tandem Solar Technology. Tracking the shift from 22% to 25% commercial efficiency, with 27%+ on the 2027 roadmap.
Breaking through silicon's 22% ceiling
Single-junction silicon has plateaued near its theoretical limit. Stacking a perovskite top cell on top of it pushes commercial module efficiency toward 25% today, with lab records already clearing 30%, unlocking gains the industry hasn't seen in a decade.
Single-junction silicon has plateaued near its theoretical ceiling. Decades of process refinement have squeezed out incremental gains, but the material itself is the constraint.
Stacking a perovskite top cell on top of proven silicon captures the high-energy photons silicon wastes as heat. Lab records already clear 33% conversion efficiency.
More power from the same footprint means fewer panels, less racking, and smaller inverter counts to hit target capacity, a direct improvement to project-level LCOE.
Who's building the tandem supply chain
A sample of the manufacturers, materials suppliers, and technology licensors listed in the B2B directory.
Leading European research institute renowned for repeatedly setting world efficiency records in tandem photovoltaics.
Research Institute
Global solar manufacturing giant holding multiple world records for perovskite-silicon tandem cell efficiency.
Manufacturer
Pioneer and global leader in commercializing perovskite-on-silicon tandem solar cells, spinning out from the University of Oxford.
Manufacturer
Major solar manufacturer investing heavily in pilot production lines for next-generation tandem solar cells.
Manufacturer
Fresh from the newsroom
Efficiency records, commercialization milestones, and project economics from across the tandem solar industry.
A 10% LCOE reduction is a marketing number until it is translated into DSCR headroom, degradation reserves, and IEC 61215 damp-heat data. Here is how lenders should read it.
Read article →Lab-certified tandem cells have pushed past 33% power conversion efficiency, widening the gap with single-junction silicon and setting the pace for commercial roadmaps.
Read article →A closer look at how the jump from 22% to 30%+ panel efficiency changes the balance-of-system math for commercial and utility-scale solar projects.
Read article →Get notified as panels clear certification and multi-gigawatt pipelines hit the market.
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