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Websol Energy to Expand Solar Manufacturing Capacity by 8 GW Using TOPCon Technology

Websol Energy Systems has unveiled an ambitious expansion plan to add 4 GW of solar cell and 4 GW of solar module capacity in two phases, leveraging tunnel oxide passivated contact (TOPCon) technology. Phase III will bring 2 GW of cell and 2 GW of module capacity by June 2027, followed by Phase IV with another 2 GW each by June 2028. The total investment of Rs30 billion will be funded through a mix of internal accruals and institutional lending.

This expansion builds upon Websol’s existing operations in Falta, West Bengal, where it currently runs a 600 MW solar cell line and a 550 MW module line under Phase I, with a strong 90% utilisation rate. Additionally, the company is set to commission a 600 MW solar cell line under Phase II by October 2025, fully financed through internal accruals, taking its cell capacity to 1.2 GW.

The move comes amid India’s rapid solar manufacturing growth, with 25.3 GW of module and 11.6 GW of cell capacity added in 2024, driven by a robust solar pipeline and the reinstatement of the Approved List of Models and Manufacturers (ALMM) order in April 2024. Industry trends suggest that monocrystalline modules will dominate production by 2027, with TOPCon and other advanced technologies gaining traction.