

Volts
David Roberts
Volts is a podcast about leaving fossil fuels behind. I've been reporting on and explaining clean-energy topics for almost 20 years, and I love talking to politicians, analysts, innovators, and activists about the latest progress in the world's most important fight. (Volts is entirely subscriber-supported. Sign up!) www.volts.wtf
Episodes
Mentioned books

10 snips
Jun 11, 2025 • 54min
Making electric motors better
Ankit Somani, co-founder of Conifer, delves into the revolutionary world of electric motors. Drawing from his entrepreneurial background, he discusses innovative efforts to create lighter, more efficient motors without rare-earth materials. The conversation highlights groundbreaking designs like axial flux motors and the potential of in-wheel technology for diverse vehicle applications. Ankit also addresses how modern manufacturing techniques can simplify production and enhance the adoption of electric motors, paving the way for a cleaner energy future.

22 snips
Jun 6, 2025 • 1h
A journey from clean-energy wonkery to influencer fame
Taylor Krause, former hydrogen policy worker and reality TV star from Netflix's Love Is Blind, discusses her fascinating transition from clean-energy advocate to influential content creator. She shares insights about the rigorous auditioning process for reality TV and the impact of editing on personal portrayals. Taylor emphasizes the importance of authenticity in both her advocacy for climate change and her new influencer role. Her journey beautifully combines STEM knowledge with engaging storytelling, navigating the unique challenges of growing a sustainable personal brand.

Jun 4, 2025 • 1h 1min
How to reduce the impact of mining
In this discussion, Johanna Wolfson, co-founder of Azolla Ventures, shares her insights on tackling the environmental challenges posed by mining for the clean energy transition. She highlights innovative technologies like electrochemistry that refine copper with less pollution. The conversation dives into the importance of sustainable mining practices, especially regarding critical materials like lithium. Wolfson also emphasizes the need for impactful investment strategies, bridging philanthropy with venture capital to support groundbreaking solutions in the industry.

22 snips
May 30, 2025 • 20min
What the F is happening? Part 3
Adrian Deveny, a former Senate aide who played a key role in crafting the Inflation Reduction Act, shares insights on the current climate crisis. He discusses the House GOP's "Big Beautiful Bill," which could dismantle recent climate initiatives. Deveny expresses concern over the lack of pushback from moderate Republicans and the potential impact on clean energy policies. They also delve into the legislative shifts affecting tax credits for solar and wind energy, highlighting the significant revenue losses and challenges facing future clean energy projects.

51 snips
May 28, 2025 • 1h 4min
Parking reform in Washington, parking reform everywhere!
Catie Gould, a senior transportation researcher at the Sightline Institute, and Alan Durning, the institute's founder, dive deep into the impact of parking regulations on urban life. They explore how strict parking mandates drive up housing costs and stifle development. The discussion highlights a landmark reform bill in Washington that allows for reduced parking requirements, promoting flexibility in urban planning. With real-world examples, they illustrate how community engagement and innovative policies can revolutionize parking management and enhance housing availability.

20 snips
May 23, 2025 • 1h 2min
The past and future of community choice aggregation
Dawn Weisz, the founder of MCE Clean Energy, talks about the transformative power of community choice aggregation (CCA). She highlights how CCAs give local governments control over electricity procurement, navigating challenges like utility resistance and rising grid costs. The discussion also dives into the importance of transparency in pricing, equitable energy sourcing, and local empowerment through innovative projects like energy-efficient smart homes. Plus, she shares insights on the future growth of CCAs across the U.S.

39 snips
May 21, 2025 • 52min
A "Google Maps for electrons"
In this discussion with Page Crahan, who leads Tapestry at X, the focus is on revolutionizing the electric grid. They delve into creating a real-time map of the grid using AI to improve efficiency and reduce costs. Crahan highlights the essential role of visual inspections and computer vision in maintaining grid integrity. The conversation also touches on the challenges and potentials of modernizing outdated infrastructure, emphasizing collaboration, ethical AI use, and innovative partnerships to enhance energy management.

66 snips
May 16, 2025 • 58min
Embedding intelligence at the edge of the grid
Marissa Hummon, Chief Technology Officer at Utilidata, is revolutionizing the energy sector by integrating AI into electricity meters through a partnership with NVIDIA. The discussion highlights how real-time data collection enhances grid management, detecting failing transformers and optimizing energy distribution. Privacy concerns of these AI technologies are addressed, emphasizing data security protocols. Hummon also discusses the rising importance of utilities in the tech landscape, driven by modern energy demands.

58 snips
May 14, 2025 • 1h 19min
Taming the hydrogen hype
Join climate blogger and author Joe Romm as he revisits the hydrogen discourse with insights from his updated book, 'The Hype About Hydrogen.' He unpacks the economic and technical hurdles that hinder hydrogen adoption, arguing that direct electrification is often a more viable option. Romm examines the challenges of scaling hydrogen production, critiques the misconceptions around its efficiency, and discusses the competitive landscape with renewables. Discover the reality behind the hydrogen push and the urgent need for effective climate action.

47 snips
May 9, 2025 • 1h 3min
Trying to bring geothermal heat pumps to scale
Kathy Hannun, President and co-founder of Dandelion Energy, discusses the innovative world of geothermal heat pumps, which offer double the efficiency of traditional heating methods. She shares insights on their unique drilling technology and a groundbreaking partnership in Colorado aimed at making geothermal systems more affordable. The conversation delves into installation challenges, potential cost-saving strategies, and the importance of integrating these solutions into urban planning for enhanced grid stability and sustainability.


