Exeger, formerly known as NLab Solar AB, is a solar cell company that develops and commercializes new materials that enhance the efficiency of solar cells.

Exeger’s vision is to restore the carbon balance of the planet by empowering people with endless energy.

Exeger was founded in 2008 by Giovanni Fili. The company is based in Stockholm, Sweden.


Exeger's solar cell innovation transforms any form of light into electrical power to improve everyday life – no matter where you are. The company has developed a world-changing material that drives new possibilities for people and their everyday products.


Exeger's patented material, Powerfoyle, has been brought to market after more than a decade of scientific research and industry development. The material converts any light to electrical energy, in a process inspired by the natural principle of photosynthesis.


Exeger's Powerfoyle is designed for the techies, the sports geeks, and the music enthusiasts. It has the unique ability to transform any outdoor and indoor light into clean, endless energy.


Exeger is backed by SoftBank, Swedbank, EIF, Swedish Export Credit Corporation (SEK), Swedish Export Credit Agency, Fortum and others. The company raised $38M in new financing on May 11, 2021. This brings Exeger's total funding to $66.1M to date.



  • Year founded: 2009
  • Funding Info: $66.1M over 5 Rounds (Latest Funding Type: Debt Financing)
  • Yearly Revenue: NA
  • Employee Size: 51-200
  • Business Valuation: NA
  • City/Town: Stockholms Lan
  • State: Stockholm
  • Country: Sweden
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