- Business
- Websol Energy System Limited manufactures high-efficiency photovoltaic solar cells and modules at its facility in Falta Special Economic Zone, West Bengal, India. Founded in 1990 and headquartered in Kolkata, the company produces Mono PERC PV cells with average efficiency of approximately 23.4%, including M10 Bifacial Mono-PERC and G12 Bifacial Mono-PERC variants; Mono PERC PV modules using 96 to 144 half-cut M10 cells with maximum efficiency above 21%, such as bifacial W5500 (525-550Wp) and W6600 (640-660Wp) series for utility-scale power plants, residential rooftops, commercial and industrial installations; and customized solar solutions encompassing turnkey projects, system integration, electrical systems, and power plants. It primarily serves utility-scale solar power plants, commercial & industrial (C&I) customers, institutions, and residential markets in India with plans for international expansion. In recent developments, Websol expanded solar cell capacity to 600 MW and added a second 600 MW line operational by October 2025 funded through internal accruals, bringing total cell capacity to 1.2 GW; approved a phased 4 GW expansion of solar cells and modules via a wholly owned subsidiary with INR 3,000 crore investment financed by internal accruals and debt, incorporating TOPCon technology; signed a memorandum of understanding with the Andhra Pradesh Economic Development Board on November 15, 2025, to explore a 4 GW integrated facility; and proposed a 1:10 stock split pending shareholder approval at the September 29, 2025 annual general meeting.