The Leh Kushok Bakula Rinpoche Airport is on the verge of making history by becoming India’s first airport to operate on geothermal and solar energy. This ambitious project, undertaken at an estimated cost of Rs 650 crore, aligns perfectly with Prime Minister Narendra Modi’s vision of transforming Ladakh into a carbon-free region. Sustainability in aviation infrastructure has been a growing concern worldwide, and India’s initiative to make Leh Airport environmentally friendly is a commendable step in the right direction. Traditionally, airports have been heavy consumers of energy, contributing significantly to carbon emissions. However, the innovative integration of geothermal energy and solar power at Leh Airport is a game-changer that could inspire similar projects across the country. Instead of relying on conventional air-conditioning systems, heat extracted from the ground will be employed for underfloor heating. This mechanism will not only eliminate carbon emissions but will also cut down on water usage-a crucial advantage in a region where water scarcity is a persistent challenge.
A total of 457 borewells, each drilled to a depth of 350 feet, are being set up to harness geothermal energy for the terminal’s operations. This integration will make Leh Airport one of the most energy-efficient airports in the world, particularly impressive given its location at an altitude of 3,256 meters above sea level. The geographical challenges of the region make this feat even more significant. In addition to geothermal energy, solar power will also play a crucial role in the terminal’s operations. Solar panels with a 500 KW capacity have already been installed on the rooftop, and an additional 200 KW is planned for installation in the car park, bringing the total solar power generation to 700 KW. The airport will remarkably save 2800 KW.
The expansion of the Leh Airport is not just about adopting clean energy; it is also about enhancing efficiency and passenger experience. The new terminal will feature six aircraft bays and is expected to be fully operational by 2027. Presently, the airport handles 16 flights daily in the winter and 32 in the summer. By 2027, the number of flights is expected to rise to 54 per day, significantly improving regional connectivity. A major highlight of the new terminal is its design, which prioritises natural lighting. Special triple-glazed glass units, 56 mm thick, are being installed to minimise heat transfer while maximising daylight usage. Unlike most airports that use double-glazed glass, this advanced infrastructure will ensure minimal artificial lighting is required during the daytime, thereby further reducing energy consumption.
Beyond sustainability, the airport’s design incorporates local architectural elements and artwork, crafted by local artists. This approach not only gives travellers a cultural experience but also provides local artisans with a platform to showcase their work. By integrating Ladakh’s rich heritage into the terminal’s aesthetics, the project preserves the region’s identity while embracing modern advancements.
While this initiative is a landmark achievement, challenges remain. The extreme weather conditions of Leh could pose operational difficulties in implementing geothermal energy at full scale. Additionally, sustaining solar power generation in a region with long winters will require innovative storage solutions. Moreover, maintenance of such a high-tech infrastructure at an altitude of over 3,000 meters will demand specialised technical expertise and a dedicated workforce. Ensuring that the project continues to operate efficiently, in the long run, will require consistent funding and research.
Leh Airport’s transformation into a green energy-powered hub serves as a blueprint for other airports across India and beyond. The aviation industry is one of the largest contributors to carbon emissions, and adopting renewable energy sources for airport operations can significantly reduce its environmental impact. The Government must now look into replicating similar models at other high-energy-consuming airports across the country. Every carbon emission saving secures the environment. As the world moves toward a cleaner and more sustainable future, Leh Airport stands as a shining example of what is possible when innovation meets environmental responsibility.
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