Solar glass is 8-12% of module cost and highly concentrated: Xinyi + Flat Glass Group control ~55% of global capacity. Here's what glass buyers and integrated module makers need to know.
Global solar glass capacity 2026
3.2 M t/day
Xinyi + Flat share
~55%
2 mm coated glass FOB
$2.30/m²
May 2026
3.2 mm tempered coated
$2.85/m²
Supply outlook
New capacity restrictions from MIIT in late 2024 slowed additions; prices bottomed Q2 2025 at $2.15/m² and have recovered 10-14% since. Long-term contracts for 2027 delivery are back at $2.60-2.80/m².
Frequently asked questions
QCan I buy solar glass direct or must I go through modules makers?
Direct is standard for module OEMs. For under 50 MW annual demand, buy through the module manufacturer's supply chain.
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