N-Type Tunnel Oxide Passivated Contact
TOPCon Solar Panels
TOPCon (Tunnel Oxide Passivated Contact) is the leading N-type solar cell technology in 2026. It offers higher efficiency than PERC, better temperature performance, and lower degradation.
Efficiency
22-24%
Price Range
$0.10-0.14/Wp
TOPCon Technology Advantages
- ✓Higher efficiency: 22-24%+
- ✓Lower temperature coefficient (~-0.30%/°C)
- ✓Better low-light performance
- ✓Lower first-year degradation (<1%)
- ✓25-30 year warranty standard
Best Use Cases for TOPCon
Large-scale utility projects, C&I rooftops, high-temperature climates
Need a Quote for TOPCon Panels?
JUST SOLAR supplies PERC, TOPCon, and HJT modules at competitive FOB Ningbo prices.