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NTPC Signs 25-Year PPA with Indian Army to Supply 200 kW RTC from Solar-Hydrogen Microgrid in Ladakh
NTPC has signed a PPA with the Indian Army to supply 200 kW of RTC renewable energy from a solar-hydrogen microgrid in Chushul, Ladakh, replacing diesel generators and reducing CO₂ emissions by 1,500 tons annually.
February 05, 2025. By Mrinmoy Dey
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State-owned NTPC has signed a power purchase agreement (PPA) with the Indian Army to supply 200 kW of round-the-clock (RTC) renewable energy from solar-hydrogen based microgrid at Chushul, Ladakh.
This system will replace existing diesel gensets at off-grid Army locations, providing a sustainable power supply despite harsh winter conditions, where temperatures drop to -30°C at an altitude of 4,400 meters.
“Given Ladakh's high solar irradiance and low temperatures, this project will facilitate the production and utilisation of green energy, eliminating reliance on fuel logistics and enhancing self-sufficiency in remote areas affected by road connectivity disruptions. Once operational, it would usher in a new era of decarbonisation of the defence sector far off the Himalayas,” the company said in a statement.
This microgrid offers a sustainable solution to replace the Army’s existing diesel generators, eliminating fossil fuel logistics and reducing CO₂ emissions by 1,500 tons per year, it said.
Defence Minister Rajnath Singh laid the foundation stone for the project through video conferencing in October 2024.
NTPC will maintain the project for 25 years, aiming to support Indian soldiers stationed in these strategically significant tough terrains and challenging climate.
The Solar-Hydrogen microgrid systems offer numerous advantages, including the integration of renewable energy sources, a stable power supply under adverse conditions, reduced carbon emissions, and the promotion of a cleaner and sustainable energy ecosystem as they are highly scalable and suitable for various applications.
Moreover, these systems combine the reliability of battery storage with the extended energy storage capability of hydrogen, ensuring a consistent power supply.
This system will replace existing diesel gensets at off-grid Army locations, providing a sustainable power supply despite harsh winter conditions, where temperatures drop to -30°C at an altitude of 4,400 meters.
“Given Ladakh's high solar irradiance and low temperatures, this project will facilitate the production and utilisation of green energy, eliminating reliance on fuel logistics and enhancing self-sufficiency in remote areas affected by road connectivity disruptions. Once operational, it would usher in a new era of decarbonisation of the defence sector far off the Himalayas,” the company said in a statement.
This microgrid offers a sustainable solution to replace the Army’s existing diesel generators, eliminating fossil fuel logistics and reducing CO₂ emissions by 1,500 tons per year, it said.
Defence Minister Rajnath Singh laid the foundation stone for the project through video conferencing in October 2024.
NTPC will maintain the project for 25 years, aiming to support Indian soldiers stationed in these strategically significant tough terrains and challenging climate.
The Solar-Hydrogen microgrid systems offer numerous advantages, including the integration of renewable energy sources, a stable power supply under adverse conditions, reduced carbon emissions, and the promotion of a cleaner and sustainable energy ecosystem as they are highly scalable and suitable for various applications.
Moreover, these systems combine the reliability of battery storage with the extended energy storage capability of hydrogen, ensuring a consistent power supply.
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