Gautam Solar Secures ALMM & BIS Nod for 640 Wp R-Series Modules

16 Oct 2025 CW Team

Gautam Solar, one of India’s leading solar module manufacturers, has received ALMM (Approved List of Models and Manufacturers) and BIS (Bureau of Indian Standards) approvals for its high-wattage 640 Wp R-Series TOPCon solar modules. With this recognition, the company joins the select group of Indian manufacturers holding both approvals for 640 Wp modules.

The 640 Wp R-Series modules deliver exceptional efficiency and energy yield, making them ideal for EPCs and developers focused on maximising land utilisation and returns. Designed for next-generation solar plants, the modules offer advanced N-type TOPCon technology, superior power density, and up to 23.69 per cent efficiency — positioning them among the highest-performing modules in their category.

Key benefits include reduced Levelised Cost of Energy (LCOE), optimised Balance-of-System (BOS) costs, and enhanced performance under high-temperature conditions. These modules are particularly suited for ground-mounted and utility-scale solar projects where yield, reliability, and long-term bankability are critical.

Gautam Solar will showcase the 640 Wp R-Series modules at the REI Expo 2025, scheduled from 30 October to 1 November at India Expo Mart, Greater Noida (Hall 11, Booth R-312).

“Achieving ALMM and BIS approvals for our 640 Wp R-Series modules is a major validation of our engineering, quality, and manufacturing excellence,” said Gautam Mohanka, Director, Gautam Solar. “We are committed to adhering to and exceeding the highest compliance standards while contributing to India’s goal of becoming a global leader in solar power.”

The milestone further strengthens Gautam Solar’s role in supporting the government’s renewable energy and sustainability vision, reinforcing India’s journey toward energy self-reliance.

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