Josef Kastner

CEO + Partner at Nexun

Josef Kastner is a seasoned executive in the renewable energy sector, currently serving as Geschäftsführender Partner at Nexun Solar since January 2023. Previously, Kastner held the position of CEO Europe at ReneSola Ltd. from August 2014 to December 2022, where responsibilities included business development for photovoltaic projects across several European countries, project financing, and M&A activities. Prior experience also includes leadership roles at EQOS Energie Österreich GmbH, Alpine-Energie, Postimmobilien, Delta Projektconsult, and Achammer-Tritthart-Partner, with a strong focus on renewable energy project development, engineering, and management. Kastner holds diplomas in civil engineering with a specialization in economics from Technische Universität Wien and earlier education from Technische Universität Graz.

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Nexun

Backed by Marguerite, a strong pan-European infrastructure fund financed by main leading public financial institutions in Europe, and lead by two seasoned renewables executives with decades of combined experience in the renewable energy sector, we are solar developers active in several European countries. Using our own geographic information systems (GIS), we are preselecting sites that maximise the potential success of solar energy installations. Why Nexun? There is a growing demand for renewable energy in Europe, and we believe solar PV is the best solution to rapidly address climate change. We are committed to recruiting talented individuals who share our commitment for accelerating the transition to a low carbon economy. Join our diverse team on our journey to develop high-quality projects that will positively impact our communities.


Headquarters

Lyon, France

Employees

11-50

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