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10 Most Innovative French Cleantech Startups

In times of global warming and environmental challenges, cleantech and innovation emerge as a beacon of hope, driving sustainable solutions and environmentally-friendly technologies. France, known for its history of innovation and environmental consciousness, has become a hub for groundbreaking cleantech startups. In this blog post, we will highlight the ten most innovative French cleantech startups that have been founded since 2018. These startups are not only revolutionizing their respective fields but also making significant contributions to a greener future.

I. Overview of the French Cleantech Landscape

France's cleantech sector has seen remarkable growth in recent years, driven by supportive government policies, innovation, increasing environmental awareness, and a strong entrepreneurial ecosystem. From renewable energy solutions to advanced waste management technologies, French startups are at the forefront of sustainable innovation. The country's commitment to the Paris Agreement and its ambitious climate goals have further fueled the rise of cleantech ventures, making France a leading player in the global green economy.

french technological advancements

II. Criteria for Selection

The startups featured in this list were chosen based on their level of innovation, environmental impact, scalability, and recognition within the industry. Each of these companies has introduced unique solutions that address pressing environmental issues, demonstrating the potential for significant and positive change.

III. The 10 Most Innovative French Cleantech Startups

  • Founded: 2018

  • Innovation: HelioRec specializes in floating solar power plants designed for urban and industrial water bodies. By placing solar panels on water surfaces, they maximize energy generation without occupying valuable land.

  • Impact: Their technology not only enhances renewable energy production but also improves water quality by reducing algae growth and evaporation.

  • Founded: 2020

  • Innovation: MYWATER Technologies offers water purification systems that utilize natural and sustainable materials, providing an eco-friendly alternative to chemical treatments.

  • Impact: Their systems ensure access to clean water in underserved regions, promoting public health and reducing environmental contamination.

  • Founded: 2018

  • Innovation: Solen leverages AI to forecast solar energy production accurately, helping solar power plants optimize their energy output.

  • Impact: By improving the efficiency and reliability of solar energy systems, Solen contributes to the broader adoption of renewable energy sources.

  • Founded: 2021

  • Innovation: Energo has developed a blockchain-based platform that enables peer-to-peer energy trading, allowing consumers to buy and sell renewable energy directly.

  • Impact: This decentralization of energy markets empowers consumers and fosters the use of renewable energy, reducing reliance on traditional power grids.

  • Founded: 2018

  • Innovation: Lancey Energy Storage has created smart electric radiators with integrated energy storage, offering an efficient way to manage household energy use.

  • Impact: Their products help reduce electricity bills and enhance energy efficiency, contributing to a lower carbon footprint for households.

  • Founded: 2018

  • Innovation: HySiLabs has developed a liquid hydrogen carrier that simplifies the storage and transportation of hydrogen, a critical challenge in the hydrogen economy.

  • Impact: Their technology facilitates the use of hydrogen as a clean energy source, promoting a shift away from fossil fuels.

  • Founded: 2019

  • Innovation: Sweetch Energy harnesses osmotic energy by utilizing the salinity gradient between seawater and freshwater, offering a new source of renewable energy.

  • Impact: This innovative approach to energy generation has significant scalability potential and can contribute to diversifying the renewable energy mix.

  • Founded: 2020

  • Innovation: BeFC produces eco-friendly fuel cells made from paper-based substrates, providing a sustainable alternative to traditional batteries.

  • Impact: Their technology reduces electronic waste and offers a greener solution for powering small electronic devices.

  • Founded: 2021

  • Innovation: Beyond Aero is developing hydrogen-powered aircraft designed for zero-emission regional flights, aiming to revolutionize the aviation industry.

  • Impact: By reducing carbon emissions from air travel, Beyond Aero is helping to create a more sustainable future for transportation.

  • Founded: 2022

  • Innovation: Circular uses blockchain technology to track and manage electronic waste, promoting responsible recycling and resource recovery.

  • Impact: Their platform supports the circular economy by ensuring that electronic waste is properly recycled and reused, reducing environmental harm.

IV. Trends and Future of Cleantech in France

The French cleantech sector continues to evolve, with emerging trends focusing on digitalization, innovation, business creation, decentralized energy systems, and sustainable materials. The future looks promising as startups increasingly integrate advanced technologies like AI, IoT, and blockchain to enhance their solutions. France's commitment to sustainability and innovation positions it well to lead the global transition to a green economy.

For new cleantech startups, the key to success lies in staying ahead of these trends and leveraging the supportive ecosystem available in France. With the right combination of innovation, impact, and scalability, the next generation of startups can drive significant environmental progress.

clean technology


The innovative spirit of French cleantech startups is paving the way for a more sustainable future. From harnessing renewable energy and improving water purification to advancing waste management and revolutionizing transportation, these startups are making a substantial impact. We encourage you to explore these companies further and stay updated with the latest trends in cleantech. Share your thoughts and favorite innovations in the comments below and join the conversation on how we can collectively contribute to a greener planet.

A major need for Cleantech's scale-up and democratisation abroad within the next few years is sensitization. Too many companies neglect the role of marketing and communication in their product's sales growth. Communicate in your target customer's language abroad to increase your company's impact worldwide. Book a call to learn more about this process.

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