Redefining Energy - TECH

Redefining Energy - TECH

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.

Episodes

52. The Hydrogen Titanic (2/2)

May 28, 2025 • 37 mins
In this episode of Redefining Energy Tech, host Michael Barnard concludes his conversation (See Ep51 for part 1/2) with Dr. Joseph Romm about the uncomfortable truths behind hydrogen's persistent hype. Romm—physicist, climate policy expert, and author of The Hype About Hydrogen—lays out a detailed indictment of hydrogen’s role in the energy transition and the vested interests keeping it afloat. As the 20th anniversary edition of hi...
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51. The Hydrogen Titanic (1/2)

May 14, 2025 • 36 mins
In this episode of Redefining Energy Tech, host Michael Barnard sat down with Dr. Joseph Romm—physicist, energy policy veteran, and author of The Hype About Hydrogen—to pull back the curtain on hydrogen’s persistent mystique. Romm isn’t new to the debate. Back in the early 2000s, he was among the first to publicly challenge the logic of hydrogen as a viable energy carrier. Now, twenty years later, he’s back with a completely rewrit...
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50. Geothermal: Drilling for Decarbonization (2/2)

April 23, 2025 • 55 mins
Simon Todd is back with Michael Barnard for part 2/2, and this time he’s drilling deeper—both literally and figuratively. In this second round, the Managing Director of Causeway Energies walks us through the hard tech and hard truths of geothermal energy, especially as it applies to the UK and Ireland. What emerges is a grounded, brutally realistic look at where geothermal works, where it doesn’t, and how to separate serious soluti...
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49. Geothermal: Drilling for Decarbonization (1/2)

April 9, 2025 • 47 mins
In this eye-opening episode (part 1/2), Host Michael Barnard invites Simon Todd, Managing Director of Causeway Energies and a man whose geological expertise spans from the chalk beds of Northern Ireland to the drilling decks of BP. Simon joins the podcast to drag geothermal energy out of its misunderstood niche and into the spotlight it deserves.

Simon, who spent 25 years at BP before pivoting hard into the future, lays out a vision...
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48. Grid Reliability in a Renewable World (2/2)

March 26, 2025 • 39 mins
In this second part of the conversation, Mark O'Malley returns to discuss with co-host Michael Barnard grid reliability and the evolving challenges of integrating renewable energy.

The conversation examines successful examples from Germany, Denmark, and Ireland, highlighting Ireland's unique position as a synchronous island. Texas also emerges as a case study, demonstrating how increased wind and solar capacity has contributed to im...
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47. Grid Reliability in a Renewable World (1/2)

March 12, 2025 • 42 mins
The transformation of global power systems is accelerating as wind and solar become dominant energy sources. In the latest episode of Redefining Energy Tech, Mark O'Malley, Leverhulme Professor of Power Systems at Imperial College London, offers a deep dive into the challenges and opportunities of this transition in an in-depth conversation with host Michael Barnard.

O'Malley brings decades of expertise in energy system integration,...
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46. China’s Balancing Act: Coal, Renewables and Nuclear (2/2)

February 19, 2025 • 49 mins
In Episode 46 of *Redefining Energy - Tech*, host Michael Barnard concludes his talk with David Fishman. David examines China's dynamic energy landscape, emphasizing the rapid development of wind, solar, and energy storage technologies.

The episode begins with a comprehensive analysis of wind energy, highlighting significant growth in onshore wind despite grid curtailment challenges in western regions. Offshore wind, while slower to...
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45. China’s Balancing Act: Coal, Renewables and Nuclear (1/2)

February 5, 2025 • 53 mins
In Episode 45 of the *Redefining Energy TECH* series, host Michael Barnard invites David Fishman, a senior manager at Lantau Group. David delves into the intricacies of China's energy landscape, highlighting the country's efforts to balance growth and decarbonization. Despite coal's continued dominance, constituting 55-60% of the energy mix, Fishman discusses measures aimed at limiting its growth. While projections suggest a slight...
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44. Critical Minerals: the new Gold Rush (2/2)

January 22, 2025 • 48 mins
In this second part, Gavin Mudd, director of the Critical Minerals Intelligence Center at the British Geological Survey, shares insights into the pivotal role of minerals in the energy transition. While Australia boasts abundant resources, Mudd highlights significant gaps in expertise and labor to extract these materials efficiently. He underscores the urgency of restructuring the iron ore sector to enable green steel production, p...
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43. Critical Minerals: the new Gold Rush (1/2)

January 8, 2025 • 47 mins
In the latest episode of *Redefining Energy Tech*, host Michael Barnard is joined by Gavin Mudd, director of the Critical Minerals Intelligence Center at the British Geological Survey, for an insightful discussion on critical minerals, their supply risks, and the environmental challenges posed by mining practices. Mudd, an environmental engineer with extensive expertise in assessing the ecological impacts of the mining sector, shar...
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42. The HVDC Grid Revolution (2/2)

December 18, 2024 • 52 mins
Michael Barnard concludes his conversation with John Fitzgerald, CEO of Supernode. They explore the game-changing potential of superconducting transmission technology. Superconductors, capable of carrying electricity with zero resistance at extremely low temperatures, are already used in applications like MRI machines and are now poised to revolutionize urban power distribution.

Fitzgerald highlights advances in cryogenic systems, s...
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41. The HVDC Grid Revolution (1/2)

December 4, 2024 • 44 mins
Michael Barnard invites John Fitzgerald, the CEO of Supernode. John delves into the transformative potential of energy transmission technologies and the critical role of interconnectors in shaping the future of renewable energy. Drawing from his extensive background in engineering and utility management, Fitzgerald recounts his journey in the energy sector, which includes developing power stations, trading over interconnectors, and...
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40: Buses - Hydrogen vs Batteries (2/2)

November 20, 2024 • 53 mins
In this second part of the episode, Michael Raynor and Michael Barnard offer an in-depth analysis of the comparison between hydrogen fuel cell and battery electric buses, focusing on key findings and discrepancies in a recent CUTRIC study. 

Barnard critically examines issues related to replacement cycles, carbon pricing, refuelling facilities and individual bus complexity. He highlights the study’s failure to account for technologic...
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39: Buses - Hydrogen vs Batteries (1/2)

November 6, 2024 • 44 mins
In this episode, host Michael Barnard engages in an enlightening conversation with Michael Raynor, co-author of The Innovator’s Solution and an expert in carbon reduction strategies. Raynor shares his personal journey into sustainability, the evolution of his focus on decarbonization, and his current work developing innovative solutions for addressing corporate carbon challenges. A key topic in the discussion is the Raynor’s new fi...
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38. Methane crisis unveiled… and how to fix it (2/2)

October 23, 2024 • 52 mins
In Episode 38 of Redefining Energy - Tech, Rob Jackson addresses the growing challenge of methane emissions, which are over 90 times more potent than CO2 in the short term. He reveals that two-thirds of methane emissions come from human activities such as fossil fuels, agriculture, and landfills, with livestock, especially cows, being the largest agricultural source. Methane's rapid increase is a major contributor to climate change...
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37. Methane crisis unveiled… and how to fix it (1/2)

October 9, 2024 • 38 mins
Rob Jackson, Chair of the Global Carbon Project and Senior Fellow at the Woods Institute, dives into a critical discussion on methane emissions and their impact on climate change. In this episode of Redefining Energy - Tech, he outlines methane’s potency, noting that it is 80-90 times more effective than CO2 at trapping heat during the first few decades after its release. Methane's role in climate change is not to be underestimated...
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36. Climate Change, Gray Rhinos and Black Swans (2/2)

September 25, 2024 • 42 mins
In Episode 36 of the "Redefining Energy" series, host Michael Barnard engages Michele Wucker in a nuanced discussion about the complex nature of risk, focusing on the distinction between risk profiles and risk fingerprints.
These fingerprints, shaped by an individual's inherent traits, experiences, and environmental influences, are crucial in understanding how people and organizations perceive and manage risks.

The conversation empha...
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35. Climate Change, Gray Rhinos and Black Swans (1/2)

September 11, 2024 • 40 mins
In Episode 35 of "Redefining Energy - Tech," host Michael Barnard engages with Michele Wucker, the author of *The Gray Rhino* and *You Are What You Risk*, in a thought-provoking discussion on risk perception and management. Wucker introduces the concept of the "gray rhino," which symbolizes obvious yet often overlooked risks, in contrast to the "black swan," which represents unforeseeable and improbable events.

The conversation high...
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34. Building Energy Big: Secrets to Success with Bent Flyvbjerg (2/2)

August 28, 2024 • 39 mins
In Episode 34 of the podcast "Redefining Energy Tech" (part 2/2), host Michael Barnard engages with Professor Bent Flyvbjerg, author of "How Big Things Get Done," to delve into the intricacies and strategies of megaprojects, focusing particularly on the comparison between pumped hydro storage and battery systems.

The conversation emphasizes the importance of modularity and repeatability in large-scale projects and highlights various...
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33. How Big Things Get Done: Energy Megaprojects (1/2)

August 14, 2024 • 40 mins
Michael Barnard talks with Professor Bent Flyvbjerg (part 1/2), a leading expert on megaprojects and author of "How Big Things Get Done."

Flyvbjerg shares insights from his extensive research, revealing that a staggering 99.5% of projects fail to meet budget, timeline, and benefit expectations. He discusses the critical importance of analyzing successful projects, particularly in the context of renewable energy, where solar and wind...
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