

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
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.

17 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.

32 snips
Dec 31, 2025 • 57min
Sen. Brian Schatz wants permitting reform, but not like this
Senator Brian Schatz, a prominent advocate for climate action from Hawaii, dives into the current energy policy landscape and the Democrats' messaging shift toward affordability. He critiques efforts on permitting reform, especially the SPEED Act, arguing it undermines critical environmental protections. Schatz discusses the importance of local community involvement in climate politics and emphasizes the need for equitable funding. He envisions harnessing data centers to support local clean energy initiatives, all while advocating for a clearer Democratic pitch on energy affordability.

27 snips
Dec 26, 2025 • 1h 28min
What's the real story with Australian rooftop solar?
In this engaging discussion, energy expert Saul Griffith shares insights on Australia's efficient rooftop solar system. He reveals how homeowners there enjoy quick installations and low costs, thanks to streamlined permitting processes. Griffith critiques the U.S. system, highlighting excessive delays and high prices. He also explores the history of solar in Australia, the rise of battery adoption, and innovative solutions like virtual power plants. With a focus on equity and real-world impacts, Griffith makes a compelling case for scalable solar solutions globally.

11 snips
Dec 19, 2025 • 1h 10min
The cure for misinformation is not more information or smarter news consumers
Samuel Bagg, a political scientist at the University of South Carolina, discusses the deep-rooted issues of misinformation and trust in institutions. He argues that social identity heavily influences political beliefs and perceptions. Bagg emphasizes that traditional methods like fact-checking are insufficient; instead, transforming social identities is crucial. He suggests that collective experiences and organizing can reshape trust in institutions, ultimately enhancing democracy by bridging divides and fostering inclusive identities.

Dec 17, 2025 • 47min
Sen. Ruben Gallego has a new energy plan
U.S. Senator Ruben Gallego, a former Marine Corps veteran known for his progressive policies, shares his ambitious energy plan. He emphasizes the importance of permitting reform and the potential of small modular nuclear reactors for swift deployment. Gallego addresses the need for community consultation to ensure local engagement and post-coal job transitions. He discusses the challenges of federal regulations in Arizona’s solar development and promotes strategic investment in transmission infrastructure to support a reliable renewable energy mix.

26 snips
Dec 12, 2025 • 1h 14min
Advocating for decarbonization in 2026
Aliya Haq, a seasoned climate policy advocate and former lead at Breakthrough Energy, shares insights from her two-decade journey in the climate movement. She discusses the need to redefine climate as an economic opportunity, moving away from outdated environmental tactics. Aliya emphasizes the importance of grid upgrades and market reforms to accelerate clean energy deployment. The conversation touches on the challenges of political power, the limits of traditional carbon pricing, and why her new venture, the Clean Economy Project, focuses on innovation and collaboration for a sustainable future.

14 snips
Dec 10, 2025 • 58min
California warms up to a larger Western energy market
Join Brian Turner, a regulatory expert in Western energy governance, and Kathleen Staks, a leader advocating for a larger Western grid. They discuss the newly authorized Regional Organization for Western Energy, which aims to unify the western U.S. grid while respecting state independence. Topics include the transition to a full day-ahead market, the voluntary 'à la carte' structure of the new grid, and strategies to accommodate diverse state energy policies. Their insights reveal the complexities and potential impact of this significant energy reform.

Dec 3, 2025 • 1h 26min
How Illinois passed its third big clean-energy bill in a decade
Kady McFadden is a seasoned organizer in Illinois clean energy, while John Delurey leads solar policy at Vote Solar. Together, they explore Illinois' striking shift towards central planning for clean energy. They discuss the urgent need for state-level planning to combat rising energy bills and the strategic framing of renewables as the most cost-effective solution. Kady shares insights on persuading lawmakers to empower the ICC to procure clean energy, ensuring affordability for consumers, and the ambitious storage goals set through 2030.


