Over the last hundred years, CONDIS SA has been providing the grid with the most innovative, efficient and reliable medium and high-voltage products and solutions. Our state-of-the-art capacitors ensure voltage distribution uniformity, breaking power increase and precise voltage measurement.

As a world leader, CONDIS SA invests constantly in research and development. Our innovations enable us to meet our customers’ high expectations by delivering advanced and valuable solutions to the global marketplace’s ever-evolving requirements.

Digitalization, energy consumption increase, grid infrastructure reliability and carbon footprint reduction are CONDIS key challenges to achieve a more prosperous and safer future for the coming generations.


When it all begins

Foundation of « Fabrique suisse de Condensateurs, I. De Modzelewski et Cie, Fribourg» by Mr. Ignacy Moscicki and Mr. Jean de Modzelewski


From Fribourg to Paris

The company experiences a big success delivering a 110’000 V battery to the Eiffel Tower.


Scientific milestone

The capacitors market sees an unparalleled scientific progress with the design of oil impregnated capacitors.


The Blumer’s major contributions

At the head of the company, Hans Blumer secures a pension fund, two emergency foundations and a Works Council. His son, and successor, renames the company to “Condensateurs Fribourg SA”


Increasing the know-how

Between 1944 and 1966, Condensateurs Fribourg SA specializes in three new types of capacitors:

  • Compress gas standard capacitors
  • Metallized paper capacitors
  • Polystyrene capacitors

Growing fast

The launch of the high voltage capacitors production considerably increases the activity of the company that needs to extend its facilities. It is also the beginning of a great success story in the high voltage industry.


Birth of CONDIS

Creation of CONDIS SA, a new entity of «Condensateurs Fribourg Holding SA ».

The company settles down in Rossens, near Fribourg.


New chapter in CONDIS’ life

Maxwell Technologies Inc., American producer of ultracapacitors based in San Diego, acquires CONDIS


HV Capacitors for Extreme Conditions

CONDIS® develops a new line of “Arctic” products that can operate at températures down to -60°C.



Metering Novel Technology

The first pilot line with the Combined Low Power Instrument Transformer is installed in the substation of Villarepos in Switzerland.



New GIS laboratory

CONDIS® extends its production site in Rossens to integrate a new 1’200 kV SF6 encapsulated test system to meet the ever growing demand in terms of high voltage tests.


New ownership for CONDIS that re-instates its 100% Swiss origins

The U.S. group Maxwell Technologies sold its Swiss division CONDIS, specialized in high voltage products and solutions, to The Renaissance Foundation based in Lausanne while CONDIS’ management becomes co-owner of the new company