Member - RoSi

Return of Silicon. Towards a circular economy for the Photovoltaic Industry.

Type Startup or self-employed
Founder 2017
Company Size 5
Member Type
Founders Yun Luo, Daniel Bajolet, Guy Chichignoud
Headquarters 38000 Grenoble, France
Social network


RoSi, from Grenoble in France, offers complete solutions to recycle the most precious raw material in solar modules: highly pure PV-grade Silicon.

We are a very international, experienced and motivated team, willing to develop a truly circular Economy in the photovoltaic field, and to reduce by 30% the greenhouse gases emissions of the Photovoltaic Industry.

RoSi enhances the high quality Silicon contained in the industrial waste in order to bring it back to the PV production value chain – towards a truly circular economy for the PV Industry.

Headquarters 38000 Grenoble, France

SDG’s of application

The Sustainable Development Goals are a call to action to end poverty, protect the planet and ensure peace and prosperity everywhere.
Clean Water and
SDG 6 icon
Affordable and
Clean Energy
SDG 7 icon
Industry, Innovation
and Infrastructure
SDG 9 icon
SDG 11
Sustainable Cities
and Communities
SDG 11 icon
SDG 12
Responsible Consumption
and production
SDG 12 icon

Efficient Solutions

Labelled Solutions from RoSi

The Solar Impulse Efficient Solution label seeks to bridge the gap between ecology and economy, bringing together protection of the environment and financial viability to show that these solutions are not expensive fixes to problems, but rather opportunities for clean economic growth.