Solar is good but wind is also necessary !
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Winner of the Becquerel prize in 2016, Christophe Ballif has devoted a large part of his career to photovoltaic energy. Be careful, he warns, Switzerland must also bet on the wind.
Details of the interview can be found at this link - https://www.letemps.ch/opinions/role-cle-leolien-transition-energetique-suisse