
Conversations in Cleantech offers insight into the opportunities, challenges and rewards of working in the cleantech space from the investors, leaders, entrepreneurs, accelerators & technologists within it. We talk all things cleantech, sustainability, renewables, agritech, solar, wind, e-mobilty, hydrogen & energy storage. The time for cleantech is now – join the revolution and live your purpose. Conversations in Cleantech is bought to you by Brightsmith, the cleantech search specialists.
Episodes

Tuesday Feb 25, 2025
Tuesday Feb 25, 2025
Welcome to Season Eight of Conversations in Cleantech!
From inspiring stories and words of wisdom to conversations on overcoming obstacles and fostering innovation, you can expect to learn from the trailblazers who are navigating the complexities of change to build a cleaner, more sustainable future.
In this episode of Conversations in Cleantech, our hosts Jessica Pearce and Tom Briscoe sit down with Josef Kastner, Partner & CEO, and Chloe Durieux, Partner & CDO at Nexun, to explore how they’re shaping the future of renewable energy development across Europe.
From navigating the complexities of large-scale solar and wind projects to scaling a business across multiple countries, Josef and Chloe share their journey of building Nexun with a vision beyond just megawatts - it’s about people, innovation, and impact.
They discuss the importance of fostering a strong, inclusive company culture, where teams are empowered, and local communities play an integral role in the energy transition. The conversation also dives into the shifting regulatory landscape, the rise of hybrid renewable energy solutions, and why adaptability is the key to thriving in a constantly evolving sector.
As the renewables industry faces new challenges - grid saturation, policy fluctuations, and increasing project complexity - Josef and Chloe highlight why agility, collaboration, and a human-first approach are critical to navigating change.
Whether you’re a seasoned energy professional, an entrepreneur, or simply passionate about sustainability, this episode offers invaluable insights into the future of clean energy development.
01:10 - Introduction to Josef and Chloe
01:52 - Can you tell us about your early background and how the journey to Nexun began?
08:35 - Can you tell us about your company and what sets Nexun apart from other renewable developers?
13:20 - What are your main goals and ambitions for this year?
14:55 - What have been some of the biggest challenges you've faced, and how have you overcome them?
16:40 - What has been the most rewarding moment for you so far?
17:50 - Marguerite has been a great backer for Nexun - what’s it like working with such a large investment company?
21.48 - Chloe, how have you navigated this male-dominated industry, and what gender equality challenges have you seen?
26:12 - How do you see the renewables market evolving in the next two to three years?
29:00 - What's next for you as leaders and for Nexun in the next four to five years?
32:00 - What has been your most fulfilling or impactful moment as a renewables developer?
Connect with your hosts Jessica Pearce and Tom Briscoe on LinkedIn.
Find your guests Josef Kastner and Chloe Durieux on LinkedIn.
Thanks for listening to Conversations in Cleantech brought to you by Brightsmith.
This is a Loaded Hype production.
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