In 2024 P-type PERC still had 55% of shipments. In 2026 N-type TOPCon owns 78% and PERC is a clearance-only technology. Here's why the switch happened and what to buy now.
N-type share 2026
78%
up from 15% in 2023
N-type efficiency premium
+0.6%
absolute over PERC
N-type degradation
≤0.4%/yr
vs 0.55% PERC
N-type price premium
$0.006–0.010/W
narrowing
TOPCon vs HJT vs BC
| Tech | Efficiency | Best for | Watchout |
|---|---|---|---|
| PERC (p-type) | 21.5% | Clearance only | Being phased out 2026-27 |
| TOPCon (n-type) | 23.3% | Volume utility + C&I | Rear glass required for bifacial |
| HJT (n-type) | 23.8% | High-temp climates | Silver + indium cost premium |
| BC (HPBC/IBC/ABC) | 24.8% | Premium rooftop | Cost premium 8-12% |
Frequently asked questions
QShould I still buy PERC in 2026?
Only for clearance projects where price beats degradation math. For any project financed >7 years, N-type is the correct choice.
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