Image impressions - Solar panels and photovoltaics
Smart people, a wealth of knowledge, and the spirit of innovation – that’s what we’ve been about for more than 25 years.
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We are strong

The TNC and Effienergie AG team consists of engineers, architects, and specialists in photovoltaic systems, building renovation and metrology. Together, we have many decades of experience, and we bring a passionate commitment to renewable energies to each new project.

  • Thomas Nordmann
  • Luzi Clavadetscher
  • Christian Dürrenberger
  • Beat Fleischli
  • Stefan Haas
  • Stephanie Fehling
  • Karin Jensen
  • Nadine Kunz
  • Ralph Lingel
  • Thomas Vontobel