Sun Stellar Collaborates With DRDO-DIHAR On Solar Project In Ladakh

Sun Stellar Collaborates With DRDO-DIHAR On Solar Project In Ladakh

A recent collaboration was undertaken between Sun Stellar, a solar energy solutions provider, and the Defence Research and Development Organization (DRDO) and Defence Institute of High-Altitude Research (DIHAR) Leh – Lab in Ladakh UT. This collaboration between the company and the research and development laboratory of Defence was undertaken to design a sustainable solar space heating system using patented technology.

The solar heating system was installed for solar energy-based indoor space heating on the campus of the DRDO Defence Institute of High-Altitude Research (DIHAR) in Leh District of Ladakh U.T. The project aimed at serving the Indian Army, reducing fossil fuel dependence, and fostering a carbon-neutral ecosystem marks the beginning of Sun Stellar’s collaboration with DRDO – DIHAR to implement solar energy-based heating systems in high-altitude regions across India.

A pilot project was installed in December 2023, followed by a larger, upgraded system for the Additional District Magistrate (ADM) Block in December 2024. This system provided space heating for two rooms accommodating eight to nine soldiers and maintained an ambient temperature of +20 degrees Celsius from 6:00 PM till 6:00 AM. It has run seamlessly for over a year with zero maintenance. The system replaced conventional diesel boiler heating in the area.

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The initial investment for the solar space heating project is approximately 90 Lakhs, with a payback period of less than three years. This larger system covers an area of 3000 sqft, with 2650 sqft requiring heating, with a lifespan exceeding 20 years and low maintenance requirements. The project’s primary motivation is to serve the Indian Army, reduce dependence on fossil fuels, and promote a carbon-neutral ecosystem in high-altitude areas.

Sun Stellar is working with DRDO – DIHAR to implement solar energy-based space and water heating systems in high-altitude regions across India. It included Himachal Pradesh, Kashmir Valley, Arunachal Pradesh, and Uttarakhand region.

“We thank DRDO – DIHAR Director OP Chaurasiya, Leh – Ladakh (India) and Scientist Mr Sarfaraz for Showing trust in our organization and allowing us to prove our dedication towards a Carbon Neutral Ladakh. After doing in-house R&D for two years, we executed this project. We give all the credit to our R&D Team, Manufacturing Team and Projects Team, who worked hand in hand to meet the deadlines of the project and commissioned the project in subzero and low oxygen working conditions,” said Karan Taluja, Founder and Managing Director at Sun Stellar India.

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