Get to Know

About Circular Silicon

Circular Silicon GmbH is a cleantech innovator based in Germany, revolutionizing the recycling of solar panels.

We have developed a technology tailored specifically for companies aiming to implement sustainable recycling solutions within their operations. Our technology enables efficient recovery of silicon from end-of-life panels, marking a significant advancement towards reducing solar waste and the demand for low-carbon silicon. With our successfully deployed industrial-scale line, complete with industrial proving tests to ensure output quality, we are set to transform the solar industry into a truly circular economy, making solar energy greener than ever!

Meet the team

People Behind Circular Silicon

Nadine
Noah

Managing
Director

Jonas
Wachtel

Chief Technology
Officer

Florian
Haase

Head of R&D

Stephan
Sarner

Engineer R&D

Dennis
Richter

Business Development Manager

Careers

Help us shape the future of solar recycling

Join a growing team working to recover more value from solar recycling streams and build practical solutions for a circular solar industry.

View Open Positions

Circular Silicon

See what we are building

Get a short introduction to Circular Silicon, our technology and our vision for a more circular solar industry.

Journey

Our story so far

2021/22

JPM Research Project

The JPM Silicon Research Project initiated in 2021/22 focused on developing foundational techniques for silicon recovery from End-of-Life-Panels.

March 2023

Foundation

In March 2023, the project gained financial backing from EIT RAW Materials to establish necessary infrastructure and push forward with technology development.

September 2023

First Closing

By September 2023. further investment from PSD Bank was secured, providing additional financial support crucial for the ongoing development and implementation of the recovery technology.

May 2024

First Production Line

The first small-scale production line, set for May 2024, will integrate separator and delamination systems to enhance silicon recovery, making a crucial step towards larger-scale production.

June 2025

𝗟𝗜𝗙𝗘 𝗦𝗶𝗥𝗖𝗨𝗟𝗔𝗥 Project

Approval for 𝗟𝗜𝗙𝗘 𝗦𝗶𝗥𝗖𝗨𝗟𝗔𝗥 Project with the goal of recovering high-purity silicon and silver from end-of-life PV panels in a single integrated process

December 2025

Launch: Process Line

Launch of the first industrial laminate and flake processing line to recover silicon, silver and copper

Get in Touch

Let’s talk about circular solar materials

Whether you are interested in our work, our team, research activities or collaboration opportunities, we would be glad to hear from you.