RAW GREEN

In this episode of Raw Green 🎤 🌵, hosts Francesco De Lieto and Emma Mee - our new co-host (!) - sit down with Christophe Williams, CEO and founder of Naked Energy, to explore one of the most promising frontiers in clean energy: hybrid photovoltaic thermal (PVT) technology.

From advertising to clean tech, Christophe shares his entrepreneurial journey, and how Naked Energy’s solar innovation is changing the economics of renewable heat and power.

🔥 What we cover:
• What makes PVT solar different—and why it matters
• Naked Energy’s flagship tech: VirtuHOT and VirtuPVT
• Real-world performance and return on investment
• Key lessons from testing, certification, and failure
• Scaling up through partners like E.ON
• Innovative models like “heat as a service”
• The future of integrated, high-efficiency clean energy infrastructure

💡 Naked Energy isn’t just another solar company—it’s rethinking how we generate, distribute, and monetise heat and electricity in buildings.

Raw Green is produced and sponsored by OBE, a sustainability consultancy firm specialised in Life Cycle Assessment, research and green technologies. 

For more information: 

https://oneobe.com/

https://www.linkedin.com/company/on-behalf-of-earth/

https://www.facebook.com/OBE987

https://www.instagram.com/obe__987/

https://www.youtube.com/@OBE987 

Suggestions or thoughts? Do you know any amazing new green innovation, research or story? Email us at [email protected]

Don't forget to follow our podcast and catch up at the next episode!

Ciiiiao!

Music Credits from #Uppbeat :

"Hit the road" - Augustine

"We got this" - Cruen

"Get that thing" Abbynoise

"Illumination" - Paul Yudin

"Mas Cafe" - Casa Rosa

"New Life" - Moire

This week FDL speaks with Andy Joynson, the business development director at Caldera (https://www.caldera.co.uk/), about the critical role of industrial heat in climate change and how Caldera's innovative thermal storage technology is addressing this challenge.

They discuss the materials used in their heat cells, the temperature ranges and applications of their technology, and the target industries. The conversation also covers the economic viability of electrifying heat, the importance of demand response in energy markets, and the transition towards heat as a service.

Andy shares insights on the performance of their industrial demonstrator and the strategic investment from GEA Group, highlighting the future opportunities for Caldera's technology in the decarbonization of industrial heat.

Takeaways

• Industrial heat accounts for 38% of energy-related CO2 emissions.
• Caldera's technology captures stranded green electrons for zero carbon heat.

• Volcanic rock and recycled aluminum are key materials for thermal storage.

• Electrifying heat presents economic challenges that Caldera aims to address.
• Demand response and capacity markets offer new opportunities for energy savings.
• The technology minimizes operational and maintenance costs due to fewer moving parts.

Raw Green is produced and sponsored by OBE, a sustainability consultancy firm specialised in Life Cycle Assessment, research and green technologies. 

For more information: 

https://oneobe.com/

https://www.linkedin.com/company/on-behalf-of-earth/

https://www.facebook.com/OBE987

https://www.instagram.com/obe__987/

https://www.youtube.com/@OBE987 

Suggestions or thoughts? Do you know any amazing new green innovation, research or story? Email us at [email protected]

Don't forget to follow our podcast and catch up at the next episode!

Ciiiiao!

Music Credits from #Uppbeat :

"Hit the road" - Augustine

"We got this" - Cruen

"Get that thing" Abbynoise

"Illumination" - Paul Yudin

"Mas Cafe" - Casa Rosa

"New Life" - Moire

In this episode of Raw Green, Francesco De Lieto sits down with Emma Mee, Head of Membership at Green Angel Ventures (https://greenangelventures.com/), to dive into the current landscape of climate tech investment. They explore how Green Angel Ventures supports early-stage startups, the firm’s investment philosophy, what they look for in a winning pitch, and the trends shaping the future of green investing — from groundbreaking innovations to the challenges and opportunities ahead.

Takeaways

• Global climate tech equity financing fell 40% in 2024.
• Sustainable investing market reached $3.2 trillion in 2024.

• Green Angel Ventures is an angel syndicate focused on climate tech.
• Investors look for genuine impact and defensibility in pitches.
• The UK supports early-stage businesses with EIS tax relief.
• Material science innovations are crucial for future developments.
• Biodiversity-focused solutions are needed but lack commercial viability.
• Generational wealth transfer will influence impact investing.
• The fashion and textile sector needs innovative solutions.

Raw Green is produced and sponsored by OBE, a sustainability consultancy firm specialised in Life Cycle Assessment, research and green technologies. 

For more information: 

https://oneobe.com/

https://www.linkedin.com/company/on-behalf-of-earth/

https://www.facebook.com/OBE987

https://www.instagram.com/obe__987/

https://www.youtube.com/@OBE987 

Suggestions or thoughts? Do you know any amazing new green innovation, research or story? Email us at [email protected]

Don't forget to follow our podcast and catch up at the next episode!

Ciiiiao!

Music Credits from #Uppbeat :

"Hit the road" - Augustine

"We got this" - Cruen

"Get that thing" Abbynoise

"Illumination" - Paul Yudin

"Mas Cafe" - Casa Rosa

"New Life" - Moire

In this episode of Raw Green, Francesco De Lieto sits down with Martin Soltau and Sam Adlen, co-CEOs of Space Solar ( https://www.spacesolar.co.uk ), a high tech startup based in UK focused on harnessing solar energy from space. They discuss the ambitious project of beaming energy down to Earth, the technological advancements that make it viable, and the potential impact on global energy security and sustainability. The conversation covers the challenges of scalability, regulatory frameworks, and public perception, while highlighting the importance of international cooperation and investment in this innovative field.

Takeaways

• Space solar power could revolutionize energy access.

• Technological advancements have made space solar economically viable.
• Space solar power offers continuous, reliable energy.
• The scalability of space solar is a key advantage.
• Safety measures ensure minimal environmental impact.
• Regulatory frameworks are being developed for space solar.
• International cooperation is crucial for energy security.
• Investment interest in space solar is growing.
• Public engagement is essential for the project's success.

Raw Green is produced and sponsored by OBE, a sustainability consultancy firm specialised in Life Cycle Assessment, research and green technologies. 

For more information: 

https://oneobe.com/

https://www.linkedin.com/company/on-behalf-of-earth/

https://www.facebook.com/OBE987

https://www.instagram.com/obe__987/

https://www.youtube.com/@OBE987 

Suggestions or thoughts? Do you know any amazing new green innovation, research or story? Email us at [email protected]

Don't forget to follow our podcast and catch up at the next episode!

Ciiiiao!

Music Credits from #Uppbeat :

"Hit the road" - Augustine

"We got this" - Cruen

"Get that thing" Abbynoise

"Illumination" - Paul Yudin

In this episode, Alessandro Stagni, CTO of Northern Light Composites ( https://www.northernlightcomposites.com ), joins Francesco De Lieto on Raw Green to discuss the critical role of composite materials across industries, the environmental challenges they pose, and the innovative solutions his company is developing. He shares insights into the complexities of recycling composites, the advantages of natural fibers, and the mission to create fully recyclable materials. The conversation highlights the urgent need for sustainable innovation in manufacturing and the exciting potential for the future of composites.

Raw Green is produced and sponsored by OBE, a sustainability consultancy firm specialised in Life Cycle Assessment, research and green technologies. 

For more information: 

https://oneobe.com/

https://www.linkedin.com/company/on-behalf-of-earth/

https://www.facebook.com/OBE987

https://www.instagram.com/obe__987/

https://www.youtube.com/@OBE987 

Suggestions or thoughts? Do you know any amazing new green innovation, research or story? Email us at [email protected]

Don't forget to follow our podcast and catch up at the next episode!

Ciiiiao!

In this episode of Raw Green, Francesco De Lieto discusses the critical role of coral reefs with Krista Shoe, director of Mother of Corals (https://motherofcorals.org/).

The conversation highlights Mother of Corals’ ongoing work in Bocas del Toro, Panama, where they are actively restoring reefs and collaborating with local communities.

They explore the alarming decline of coral reefs, innovative restoration techniques, and the importance of community education in sustaining marine ecosystems. Krista shares insights on the success rates of restoration projects, the economic impact of coral reefs on local communities, and the challenges posed by climate change and overfishing.

This episode is part of the Podcasthon (www.podcasthon.org), a global initiative to raise awareness for numerous charities worldwide. We are thrilled to dedicate this episode to Mother of Corals, highlighting a cause that is close to our hearts—the health of our oceans and marine life.

Raw Green is produced and sponsored by OBE, a sustainability consultancy firm specialised in Life Cycle Assessment, research and green technologies. 

For more information: 

https://oneobe.com/

https://www.linkedin.com/company/on-behalf-of-earth/

https://www.facebook.com/OBE987

https://www.instagram.com/obe__987/

https://www.youtube.com/@OBE987 

Suggestions or thoughts? Do you know any amazing new green innovation, research or story? Email us at [email protected]

Don't forget to follow our podcast and catch up at the next episode!

Ciiiiao!

In this episode of Raw Green, Francesco De Lieto discusses the importance of energy efficiency with Thomas Clardy, founder and CEO of PowderWatts (https://powderwatts.com).

They explore the challenges and opportunities in energy efficiency technologies, particularly focusing on PowderWatt's innovative solutions for managing heat cables that consume an excessive amount of energy, in some scenarios equal to the energy produced by the entire US solar energy!

The conversation delves into the barriers to adoption, the role of utilities, the impact of climate change, and the potential for carbon offsetting through energy efficiency. They also discuss the future of data centers and the urgent need for sustainable energy solutions in the face of rising energy demands.

The episode is produced and sponsored by OBE, a sustainability consultancy firm specialised in Life Cycle Assessment, research and green technologies. 

For more information: 

https://oneobe.com/

https://www.linkedin.com/company/on-behalf-of-earth/

https://www.facebook.com/OBE987

https://www.instagram.com/obe__987/

https://www.youtube.com/@OBE987 

Suggestions or thoughts? Do you know any amazing new green innovation, research or story? Email us at [email protected]

Don't forget to follow our podcast and catch up at the next episode!

Ciiiiao!

"The number one export of North Korea is cybercrime."

In the first episode of 2025 of Raw Green, Francesco De Lieto sits with Uri Sadot, Cybersecurity Program Director of SolarEdge Technologies ( https://www.solaredge.com/en ), to discuss the increasing threat of cyber attacks on renewable energy systems, particularly solar power plants.

They explore the vulnerabilities of these systems, the role of cybersecurity in companies like SolarEdge, and the differing regulatory approaches between the EU and the US.

The conversation highlights the potential catastrophic consequences of cyber attacks on energy grids, the motivations behind such attacks, and the importance of identifying vulnerable components within energy systems. 

The dialogue also explores the dual nature of AI as both a beneficial and potentially harmful technology, emphasizing the necessity for responsible development and implementation in the energy sector.

The episode is produced and sponsored by OBE, a sustainability consultancy firm specialised in Life Cycle Assessment, research and green technologies. 

For more information: 

https://oneobe.com/

https://www.linkedin.com/company/on-behalf-of-earth/

https://www.facebook.com/OBE987

https://www.instagram.com/obe__987/

https://www.youtube.com/@OBE987 

Suggestions or thoughts? Do you know any amazing new green innovation, research or story? Email us at [email protected]

Don't forget to follow our podcast and catch up at the next episode!

Ciiiiao!

In this conversation, Francesco De Lieto sit down with Michael Kohler, founder of Silent Yachts (https://silent-yachts.com/), discussing the evolution of sustainable yachting.

Michael shares his journey from sailing enthusiast (over 75.000 miles around the globe) to innovator in electric propulsion and solar energy integration in yachts.

He reflects on the challenges and triumphs of introducing a new paradigm in the marine industry, the design process of creating a fully electric yacht, and the economic implications of adopting such technologies. The conversation highlights the growing acceptance of sustainable practices in yachting and the future of eco-friendly boating.

The episode is produced and sponsored by OBE, a sustainability consultancy firm specialised in Life Cycle Assessment, research and green technologies. 

For more information: 

https://oneobe.com/

https://www.linkedin.com/company/on-behalf-of-earth/

https://www.facebook.com/OBE987

https://www.instagram.com/obe__987/

https://www.youtube.com/@OBE987 

Suggestions or thoughts? Do you know any amazing new green innovation, research or story? Email us at [email protected]

Don't forget to follow our podcast and catch up at the next episode!

Ciiiiao!

In this episode, Francesco De Lieto engages with Dr. Jason Huang, founder and CEO of TS Conductor (https://tsconductor.com/), to explore the complexities of the electricity grid, its challenges, and the innovative solutions offered by TS Conductor that attracted the interests of investment firms of the caliber of Breakthrough Energy Ventures and Edison International to name few.

They discuss the grid's role in clean energy transition, the bottlenecks in power transmission, and how advanced conductor technology can enhance grid capacity. The conversation also touches on the slow adoption of new technologies in the utility industry, the economic implications of green technologies, and the future of energy solutions.

The episode is produced and sponsored by OBE, a sustainability consultancy firm specialised in Life Cycle Assessment, research and green technologies. 

For more information: 

https://oneobe.com/

https://www.linkedin.com/company/on-behalf-of-earth/

https://www.facebook.com/OBE987

https://www.instagram.com/obe__987/

https://www.youtube.com/@OBE987 

Suggestions or thoughts? Do you know any amazing new green innovation, research or story? Email us at [email protected]

Don't forget to follow our podcast and catch up at the next episode!

Ciiiiao!