Col du Palet, The Alps, FranceHide Details
Since June 2015, Enapter electrolysers have been producing hydrogen to keep this refuge in the French Alps operational year-round. Solar panels can not generate energy for skiers that seek shelter if covered by snow. However, hydrogen keeps 47 sleepers warm and fed at 2,600m high. In the summer, excess solar energy is stored as hydrogen and provides power during the winter. The hydrogen is stored in a small side building separate to the cabin to ensure the full safety of pressure tanks in altitude.
More information here (in French).
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