

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

16 snips
Feb 18, 2026 • 1h 28min
Can fake meat help solve climate change?
Bruce Friedrich, founder of the Good Food Institute and author on the future of meat, explains why plant-based and cultivated alternatives matter. He discusses meat’s huge environmental and health costs. He maps the tech and policy landscape, the science behind cultivated meat, market dynamics, and practical steps to scale better meat alternatives.

92 snips
Feb 11, 2026 • 1h 16min
Are utilities making too much money?
Joe Daniel, an RMI energy policy expert on carbon-free electricity, explains utility regulation and how returns are set. He breaks down ROE versus cost of equity and why authorized returns often exceed market costs. They explore benchmarking problems, procurement evidence, and reform options like market-based finance and Totex, plus political barriers to change.

43 snips
Feb 6, 2026 • 1h 5min
So, how's the climate doing?
Dr. Sarah Kapnick, climate scientist and former NOAA chief scientist now advising on climate risk at JPMorgan Chase. She discusses advances in attribution science, satellite methane detection, AI and computing improving forecasts, the effects of reduced shipping aerosols, tipping-point monitoring, and how climate science translates into legal and financial decisions.

78 snips
Feb 4, 2026 • 1h 10min
Taiwan's energy dilemma
Yeh-Tang “Ricky” Huang, a clean-energy advocate leading Climate Era Catalyst, discusses Taiwan’s grid constraints and heavy industrial demand. He breaks down barriers to wind, solar, and geothermal. He covers politics around nuclear and imports, the promise of demand-side flexibility and VPPs, and a regional electrotech vision linking Asia’s clean-energy future.

48 snips
Jan 30, 2026 • 1h 48min
All about "reactionary centrism"
Michael Hobbes, journalist and podcaster known for cohosting shows like You're Wrong About and If Books Could Kill, joins to unpack the phenomenon of reactionary centrism. He and the host trace its media incentives, show how it blames Democrats while ignoring right‑wing threats, and explore examples like coverage norms, Merck’s Law, and the role of contrarianism in public discourse.

88 snips
Jan 28, 2026 • 1h 8min
How to make rooftop solar power as cheap in the US as it is in Australia
Andrew Birch, 25-year solar veteran and co-founder of Solar App, and Nick Josefowicz, nonprofit leader at Permit Power, tackle US rooftop solar’s “paperwork tax.” They explain how automated permitting, standardized interconnection, and flexible grid rules can slash soft costs. Short stories of permitting absurdities and real-world scaling show bureaucratic fixes could unlock much cheaper rooftop solar for households.

118 snips
Jan 21, 2026 • 1h 15min
Let's dig a little deeper into virtual power plants (VPPs)
Seth Frader-Thompson, Founder and CEO of EnergyHub, dives into the world of virtual power plants (VPPs). He explains the different maturity levels of VPPs, highlighting what separates effective systems from mere demand response. Discussion includes the importance of diverse energy resources, the Huells test for VPP evaluation, and how VPPs can help avoid costly distribution upgrades. Seth also emphasizes the need for practical regulatory frameworks to boost VPP deployment and shares exciting goals for reaching 100 GW by 2035.

97 snips
Jan 14, 2026 • 1h 29min
Making the electricity grid work like the internet
Jonas Birgersson, a Swedish tech entrepreneur and founder of Via Europa, unveils his revolutionary EnergyNet concept, which likens electricity distribution to internet architecture. He discusses how decentralized microgrids can prevent outages and facilitate direct power sharing among neighbors. The conversation delves into open protocols, galvanic separation for safety, and leveraging batteries as network buffers. Birgersson also highlights the potential for U.S. adoption and the importance of local energy production, promising a future of resilient and efficient energy distribution.

18 snips
Jan 9, 2026 • 1h 5min
What's the deal with closed-loop geothermal?
Jeanine Vany and Mark Fitzgerald, leaders at Eavor, delve into closed-loop geothermal technology, a game-changer in renewable energy. They explain how this system, operating like massive underground radiators, can tap into geothermal resources almost anywhere, avoiding fracking and significant water use. With their new plant in Germany, they discuss the advantages of scalability, reduced seismic risks, and the potential for heat and power markets. The duo also highlights the collaboration needed to bring this innovative technology to market and its impact on energy costs.

22 snips
Jan 7, 2026 • 59min
NYC's congestion pricing has been running for a year now. How's it doing?
Kate Slevin, Executive Vice President of the Regional Plan Association and a stalwart advocate for urban transit, dives into NYC's first year of congestion pricing. She highlights how it has enhanced business and pedestrian traffic while minimizing gridlock and spillover onto surrounding streets. Slevin also discusses the significant revenue generated for public transit and early successes like reduced crashes and faster bus rides. With legal protections in place for funds, she outlines future pricing strategies and shares lessons for cities looking to improve urban mobility.


