Tech Guide

Panel Technology 2026

Not all solar panels are equal — here's what matters

Mono PERC

Last generation

Efficiency20–22%

Heat Loss-0.38%/°C

Lifespan25 years

Price฿฿

Best ForBudget

✦ Our Choice

TOPCon

Current generation

Efficiency22–24%

Heat Loss-0.30%/°C

Lifespan30 years

Price฿฿฿

Best ForThailand

HJT

Premium tier

Efficiency24–26%

Heat Loss-0.26%/°C

Lifespan30+ years

Price฿฿฿฿

Best ForMax output

☀

We use TOPCon — LONGi Hi-MO X6

Best balance of efficiency, heat tolerance, and value for tropical climates