33 episodes

Redefining Energy - Tech, a channel of the award-winning Redefining Energy podcast, features deep and broad conversations between global decarbonization leaders and technologists and host Michael Barnard.
His informed perspectives on energy, industry and transportation enable him to have intense conversations with brilliant and knowledgeable people.
You’ll be informed, stimulated and amused.

Redefining Energy - TECH Michael Barnard

    • Technology

Redefining Energy - Tech, a channel of the award-winning Redefining Energy podcast, features deep and broad conversations between global decarbonization leaders and technologists and host Michael Barnard.
His informed perspectives on energy, industry and transportation enable him to have intense conversations with brilliant and knowledgeable people.
You’ll be informed, stimulated and amused.

    32. Beyond Gas: The Rise of Heat Pumps and Energy Efficiency (2/2)

    32. Beyond Gas: The Rise of Heat Pumps and Energy Efficiency (2/2)

    In our latest episode, Host Michael Barnard and Jan Rosenow, European director for RAP, delved into the multifaceted world of heat pumps and their critical role in the energy transition (part 2/2). 

    Here’s a brief summary of the insightful discussion: We kicked off by exploring the terminology and rising popularity of heat pumps in the media, highlighting their growing presence in publications and public discourse. The conversation then shifted to the marketing and design of heat pumps, emphasizing the need for improved aesthetics and customer experience to make them more appealing.

    Efficiency and demand reduction measures were a key focus, with discussions on the potential of insulation and draft proofing to reduce heat demand and enhance property efficiency. We also debated the priority of electrifying heat versus insulation, considering the impact of both strategies on energy use and climate change mitigation.

    Heat pumps' dual capability to provide heating and cooling was another highlight, particularly in the context of increasing heat waves. The episode also featured a meta-analysis on hydrogen for heating, revealing that hydrogen is not a scalable or efficient solution compared to alternatives.

    The future of gas grids was scrutinized, with discussions on the need for a managed transition away from gas and examples from France and the UK on the rising costs of gas grid maintenance. An orderly regulatory framework for decommissioning gas grids was deemed essential.

    We concluded on an optimistic note, drawing parallels to the adoption of electric vehicles and renewable energy, and expressing belief in innovation and private equity driving the energy transition.

    Tune in to gain a deeper understanding of these vital topics and the steps we can take towards a sustainable future! 🌱💡

    • 46 min
    31. Decarbonizing Tomorrow: Tackling Energy and Heating Challenges (1/2)

    31. Decarbonizing Tomorrow: Tackling Energy and Heating Challenges (1/2)

    In our latest episode, host Michael Barnard has the pleasure of speaking with Jan Rosenow, who shared incredible insights into energy policy and the critical steps needed for decarbonization. Here’s a brief overview of the key takeaways:

    Jan, with his strong background in geosciences and energy policy, highlighted the pivotal role of energy in global carbon emissions. He elaborated on the Regulatory Assistance Project’s (RAP) mission to aid policymakers and regulators in designing more effective energy policies across the US, Europe, China, and India. We delved into RAP's diverse funding sources, including philanthropy, government contracts, and research grants.

    A significant portion of our discussion focused on the intricate landscape of EU policy-making. Jan explained the complexities arising from the EU's 27 member states and the collaborative roles of the European Commission, Parliament, and Council. He also touched on the influence of Germany and France on EU energy policies and the ongoing impact of the UK's exit from the EU.

    The conversation took an interesting turn as we explored the historical and current hype around hydrogen as a decarbonization solution. Jan provided a critical analysis of hydrogen's realistic applications, the challenges it faces, and the institutional inertia that hampers policy innovation in this area.

    Finally, we addressed the crucial topic of decarbonizing building heat. With heating accounting for a significant portion of global carbon emissions, Jan emphasized the need to shift away from fossil fuels. We discussed promising alternatives like biomass, heat pumps, and district heating systems, while expressing skepticism about hydrogen’s viability as a heating solution.

    Tune in to gain a deeper understanding of these pressing energy issues and the paths we can take toward a sustainable future. Your feedback and thoughts are always welcome! 🌍💡 
     

    • 45 min
    30: Hot Topics: Sustainable Solutions for Industrial Heating (2/2)

    30: Hot Topics: Sustainable Solutions for Industrial Heating (2/2)

    In our latest podcast episode, host Michael Barnard and guest Paul Martin dove deep into innovative solutions for industrial heat. The conversation covered a wide range of topics, from the use of electrical and heat batteries to advancements in thermal storage, underscoring the potential benefits of storing energy as heat rather than relying solely on electricity.

    Paul Martin shared insights on various types of industrial heat, including cement clinkering and specialty high-temperature processes, highlighting the importance of efficient heat management. The discussion also touched on the potential of changing wire types for better energy transfer and the role of smart demand and storage solutions during peak energy periods.

    The episode explored cutting-edge heating technologies such as induction heating, thermolysis, and electrolysis, emphasizing their advantages over traditional combustion methods. Environmental considerations were a key focus, with a shift towards electric heating for sustainability and exploring alternatives to fossil fuels for high-temperature processes.

    Closing remarks from Michael Barnard and Paul Martin highlighted the value propositions and technological innovations discussed, endorsing consulting services for chemistry process engineering with Paul Martin at Spitfire Research. This episode is a must-listen for anyone interested in the future of industrial heat and clean energy solutions.  

    • 45 min
    29. Electrifying the Future: Industrial Heat Redefined (1/2)

    29. Electrifying the Future: Industrial Heat Redefined (1/2)

    In our latest podcast episode, Host Michael Barnard is thrilled to have Paul Martin. Paul, a seasoned chemical engineer, share his profound insights on the electrification of industrial heat processes. Here’s a brief summary of the conversation:

    The discussion kicked off with a critical analysis of the inefficiencies associated with using fire for heat generation compared to electricity. Paul emphasized that electricity not only offers cost advantages but also enhances safety.

    A significant portion of the conversation was dedicated to the concept of exergy, highlighting its crucial role in the energy transition towards decarbonization. Paul underscored the potential of direct electricity usage for heating processes, moving away from traditional methods of burning chemical energy. 

    We also delved into the advancements in battery technology, discussing how these innovations are revolutionizing energy storage and management. Paul provided fascinating insights into the practical applications of batteries in industrial settings, particularly for short-term high-power requirements. 

    The episode further explored the diverse heat requirements in industrial food preparation, comparing the efficiency of natural gas with other energy sources. Paul highlighted the practicalities and benefits of heat pumping in industrial processes, stressing the importance of understanding different heat metrics for efficiency calculations.

    In addition to these technical discussions, Paul addressed the challenges and misconceptions surrounding the technology readiness levels and market readiness of heat pumping applications. He also explained the significance of temperature lift in heat pumping and its applications below 200 degrees Celsius.

    Overall, this episode is a treasure trove of knowledge for anyone interested in industrial heat electrification and the future of energy systems.  

    • 44 min
    28. Blueprints for the Ocean: 3D Printing Coral Ecosystems (2/2)

    28. Blueprints for the Ocean: 3D Printing Coral Ecosystems (2/2)

    In this engaging podcast episode (part 2/2), Professor Amy Wagner Johnson shares the challenges and innovative strategies for coral reef restoration. She highlights the potential of artificial reef materials that support healthy growth without detrimental chemical leaching, and introduces cutting-edge methods like 3D printed structures, referred to as arcs, which are tailored for mobile ecosystems.

    Throughout the conversation, Wagoner Johnson emphasizes the critical need for interdisciplinary collaboration to achieve successful reef restoration. The discussion covers the slow growth rates of coral polyps and the dynamics of larval settlement, both vital for effective reef rebuilding. Challenges such as enhancing disease resistance and adapting to environmental conditions are explored, alongside novel strategies like tenting damaged corals with larvae to boost repopulation efforts.

    Further insights reveal ongoing research into the effectiveness of different substrates and methods to improve larval settlement, underscoring the complex and multifaceted nature of coral reef preservation. Wagoner Johnson calls on global listeners involved in climate solutions and technological advancements to join forces in marine ecosystem conservation, stressing the urgency for diverse expertise and creative solutions.

    The episode concludes with a strong call to action, urging collaborative innovation and collective efforts toward sustainable conservation practices for protecting coral reefs. The discussion not only sheds light on the complexities of coral restoration but also inspires hope through the possibilities of multidisciplinary approaches in environmental conservation.     

    • 38 min
    27. Reef Revival: 3D Printing Coral's Future (1/2)

    27. Reef Revival: 3D Printing Coral's Future (1/2)

    In this insightful episode of "Redefining Energy Tech" (part 1/2) Professor Amy Wagoner Johnson, a materials scientist from the University of Illinois Urbana-Champaign, delves into her groundbreaking work in coral reef restoration. Transitioning from her background in bone tissue engineering, Amy discusses how she applies similar principles to innovate in the field of coral regeneration, utilizing advanced techniques such as 3D printing and material science.

    Wagoner Johnson begins by detailing the significance of coral reefs in supporting biodiversity, protecting shorelines, and sustaining local economies through tourism. Despite their importance, these ecosystems face severe threats from climate change, overfishing, and pollution. To combat these challenges, Wagoner Johnson's research focuses on developing calcium carbonate-based substrates enriched with trace elements, designed to enhance coral skeletal growth and promote larval settlement. This approach is particularly crucial given the rapid environmental changes threatening coral survival and biodiversity.

    A significant aspect of her research involves the use of flume tanks to simulate oceanic conditions that influence larval settlement patterns. By studying the interaction between fluid mechanics and surface structures, Wagoner Johnson and her team are uncovering how to optimize conditions for coral larvae to settle and thrive. Mimicking natural cues from algae, the team explores strategies to encourage larval metamorphosis into polyps, enhancing reef recovery and resilience.

    The podcast episode covers a broad range of topics related to coral reefs, from the basic structure and chemistry of coral polyps to the challenges of adaptation and the potential of oceanic geoengineering to mitigate acidification effects. Each segment builds on Wagoner Johnson's innovative approach to coral restoration, emphasizing collaboration, such as her work with Carmabi Lab in Curaçao and support from the National Science Foundation.

    In closing, the episode touches on future directions for Wagoner Johnson's research, including her plans to incorporate specific minerals into restoration materials to better attract larvae and foster their growth. This episode not only highlights the critical role of interdisciplinary research in addressing environmental issues but also calls for continued support and interest in such vital conservation efforts.

    • 44 min

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