…the shed, which can house up to 120 alpinists, is designed to obtain 90 percent of power needs from the sun. The remaining 10 percent would be mainly gas used for cooking and would be delivered by helicopter regularly.
Water will also be completely sourced from the surroundings. In the summer, water from melting glaciers will be collected and stored in a reservoir, and heated mainly by solar energy…
Built by 35 workers over two summers, the hut was constructed at a cost of 6.5 million Swiss francs (4.3 million euros, 6.3 million dollars) with some 3,000 helicopter trips required to ferry workers and materials up to the alpine location.”
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