PVsyst SA

Route du Bois-de-Bay 107,

1242 Satigny


+41 22 753 08 01

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Scientific and technical team



André Mermoud

Physicist, Designer of PVsyst

Scientific and technical questions

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Bruno Wittmer


Scientific questions

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Jean-Marie Feppon


Scientific questions


Michel Villoz

PV engineer

Training - Consulting


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Nils Lang

Software development


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Sylvain Pepoli

Software development



Administrative team


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Pauline Calame

Accounting, Customer Relation Management

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Séverine Mermoud

Communication, Customer Relation Management