This is a public episode. If you'd like to discuss this with other subscribers or get access to bonus episodes, visit www.volts.wtf/subscribe You might have noticed that it’s kind of hot out there. And it’s only going to get worse: global demand for cooling is projected to triple by 2050. Finding a way to cool spaces and people without frying the planet is a crucial climate challenge. I’m joined by RMI’s Ankit Kalanki to unpack the hidden world of AC refrigerants and testing standards, the cruci...
Jun 24, 2026•1 hr 6 min
This is a public episode. If you'd like to discuss this with other subscribers or get access to bonus episodes, visit www.volts.wtf/subscribe In this episode, I talk with GM Energy executive Aseem Kapur about General Motors’ move into bidirectional EV charging and home energy management. We dig into the practicalities of turning hundreds of thousands of EVs into mobile backup generators, how to navigate a patchwork of 4,000 different utilities, and what it takes to get everyday consumers to see ...
Jun 19, 2026•56 min
This is a public episode. If you'd like to discuss this with other subscribers or get access to bonus episodes, visit www.volts.wtf/subscribe The UK has just released its seventh carbon budget, recommitting to the aggressive climate targets suggested by its nonpartisan Climate Change Committee. Can the Labour government actually hit those targets while keeping energy prices for the British people under control, even amidst a newly hostile political landscape? In this episode, I talk with the UK’...
Jun 17, 2026•1 hr 2 min
This is a public episode. If you'd like to discuss this with other subscribers or get access to bonus episodes, visit www.volts.wtf/subscribe The North American Electric Reliability Corporation has issued a historic warning about AI data centers. I chat with energy experts Colin McCormick and Doug Bryan about the unique electrical engineering challenges of giant computational loads that can abruptly drop hundreds of megawatts of power in the blink of an eye. We dive into the upcoming regulatory ...
Jun 10, 2026•1 hr 14 min
This is a free preview of a paid episode. To hear more, visit www.volts.wtf Why is the latest fossil fuel crisis pushing the world toward rapid electrification instead of a drilling boom? To find out, I chat with Tim Sahay and Kate Mackenzie, hosts of the Polycrisis newsletter and podcast , about the concept of “polycrisis” and the global rise of manufacturing-heavy electrostates. We examine the massive global diffusion of cheap electrotech and discuss why American climate wonks need to look pas...
Jun 05, 2026•26 min
This is a public episode. If you'd like to discuss this with other subscribers or get access to bonus episodes, visit www.volts.wtf/subscribe In the US, clean energy tends to get bogged down in red tape, but there’s one category that you can install immediately, with no one’s permission, because it plugs right into your wall outlet. This week, I chat with James McGinniss of David Energy about plug-in DERs — specifically, small batteries that commercial tenants can install without permits or land...
Jun 03, 2026•1 hr 14 min
This is a public episode. If you'd like to discuss this with other subscribers or get access to bonus episodes, visit www.volts.wtf/subscribe Why is clean electrification, the most exciting, dynamic, hopeful sector of the US economy, still such a 98-pound weakling in DC backroom fights? In this episode, I talk with investor and entrepreneur Steve McBee about Amped, his new effort to boost the industry’s political influence and give it a little swagger — by telling a more compelling story, gettin...
May 29, 2026•1 hr 41 min
This is a public episode. If you'd like to discuss this with other subscribers or get access to bonus episodes, visit www.volts.wtf/subscribe Conventional punditry loves the narrative that woolly-headed progressive standards over-burdened federal climate spending and slowed everything to a crawl. In this episode, I talk with Betony Jones about her time designing labor policies at the DOE and what she learned from interviewing dozens of companies that received federal funding. We explore the diff...
May 27, 2026•1 hr 8 min
This is a public episode. If you'd like to discuss this with other subscribers or get access to bonus episodes, visit www.volts.wtf/subscribe As affluent homeowners defect to heat pumps, the massive costs of maintaining America’s aging gas pipelines are being concentrated onto a shrinking base of customers who can afford it least. To understand how to prevent an impending utility death spiral, I talk with the Building Decarbonization Coalition’s Kristin George Bagdanov and Panama Bartholomy. We ...
May 22, 2026•1 hr 8 min
This is a public episode. If you'd like to discuss this with other subscribers or get access to bonus episodes, visit www.volts.wtf/subscribe Are data centers and electrification going to break the US power grid, or are they the secret to making it cheaper for everyone? In this episode, I talk with Pier LaFarge of Sparkfund about Minnesota’s landmark decision to let Xcel Energy deploy batteries directly into local distribution networks. We look past the politics and map out how a battery-saturat...
May 20, 2026•1 hr 46 min
This is a free preview of a paid episode. To hear more, visit www.volts.wtf Ben Eidelson and Anay Shah run the Stepchange podcast, which recently put out a magisterial four-hour (!) episode on the history of the US electricity grid. I talk with them about some of the colorful characters and stories involved, the big fights and broad lessons learned, and how the history echoes in today’s political and technological struggles....
May 15, 2026•34 min
This is a public episode. If you'd like to discuss this with other subscribers or get access to bonus episodes, visit www.volts.wtf/subscribe Boiling water to make steam for industrial processes consumes an enormous amount energy around the globe, yet it has proven remarkably resistant to electrification. In this episode, I talk with Addison Stark of AtmosZero about why replacing the standard fossil-gas boiler requires an entirely new approach to industrial heat pumps. We discuss the engineering...
May 13, 2026•1 hr 4 min
This is a public episode. If you'd like to discuss this with other subscribers or get access to bonus episodes, visit www.volts.wtf/subscribe Most people think that coordinating the behavior of thousands of distributed energy resources requires some kind of third-party middleman, like an aggregator managing a VPP. My guest today, veteran research scientist Bruce Nordman, believes there’s a better way: dynamic, time- and location-specific retail prices, communicated directly to consumer devices, ...
May 08, 2026•1 hr 30 min
This is a public episode. If you'd like to discuss this with other subscribers or get access to bonus episodes, visit www.volts.wtf/subscribe Today, coordinating a whole-home retrofit — or even just getting a heat pump — involves confusing research, a parade of contractors, and wildly varying quotes. It’s a broken system that practically pushes people to just buy another gas furnace. In this episode, I’m joined by Zero Homes CEO Grant Gunnison to discuss ways to improve this system for both cust...
May 06, 2026•1 hr 4 min
This is a public episode. If you'd like to discuss this with other subscribers or get access to bonus episodes, visit www.volts.wtf/subscribe Historically, investing in energy infrastructure has been the exclusive province of wealthy individuals and large institutions. But that’s changing, and my guest today is part of it. I’m joined by Energea co-founder Mike Silvestrini to discuss how his platform allows retail investors to back international solar projects with buy-in as low as $100. We talk ...
Apr 29, 2026•1 hr 5 min
In this episode, I sit down with financier Tom Steyer to discuss his 2026 run for governor of California. We dig into his pledge to cut the state’s notoriously high electricity bills by 25 percent, how he plans to break the stranglehold of investor-owned utilities through local competition and smarter grid utilization, and the delicate politics of pushing a climate-forward agenda when voters are primarily focused on the immediate cost of living. This is a public episode. If you'd like to discuss...
Apr 27, 2026•55 min
The think tank Ember just released its yearly Global Electricity Review. In this episode, I chat with co-authors Nicolas Fulghum & Kostantsa Rangelova about the biggest stories in the global power sector in 2025. We geek out over the record-breaking scale of solar deployment, the game-changing role of batteries in shifting midday power to the evening, and the tantalizing possibility that India will not follow China’s coal-heavy development path and that global fossil fuel generation has fina...
Apr 22, 2026•1 hr 7 min
This is a free preview of a paid episode. To hear more, visit www.volts.wtf Heatmap’s Robinson Meyer joins me to unpack the sheer madness of the current news landscape. We discuss the energy implications of the Iran war, the vexed politics of permitting reform, Microsoft’s retreat from carbon dioxide removal, the lessons of the IRA, the lingering pastoralism of the environmental movement, and much more....
Apr 20, 2026•20 min
Beth Bafford spent years designing Climate United, a revolving fund meant to push out $7 billion of Greenhouse Gas Reduction Fund money to underserved communities. She had barely begun sending out grants when Trump shut the program down and rescinded all the money. In this episode, I talk with her about that experience, the ongoing legal fight to reclaim some of the money, and the central importance of finance in clean energy policy. This is a public episode. If you'd like to discuss this with o...
Apr 17, 2026•1 hr
In this episode, I welcome back my old friend Jigar Shah to discuss the current hullabaloo around explosive electricity demand from new data centers. We dig into why its stupid for tech companies to build their own behind-the-meter natural gas plants, how this approach is wrecking equipment and destabilizing the grid, and a better, smarter, faster path forward. This is a public episode. If you'd like to discuss this with other subscribers or get access to bonus episodes, visit www.volts.wtf/subs...
Apr 15, 2026•1 hr 31 min
This is a public episode. If you'd like to discuss this with other subscribers or get access to bonus episodes, visit www.volts.wtf/subscribe There are some circumstances — think disaster recovery zones or forward military bases — that cry out for portable, reliable, resilient power. I talk with Lauren Flanagan about Sesame Solar’s self-contained nanogrids, which use solar PV, batteries, and hydrogen storage to provide energy that works around the clock in remote or inclement environments....
Apr 10, 2026•52 min
This is a public episode. If you'd like to discuss this with other subscribers or get access to bonus episodes, visit www.volts.wtf/subscribe Why do climate funders prefer cutting checks for electric vehicles over fighting for dense, transit-oriented housing? I talk to Ben Holland, who recently interviewed major climate foundations about their anti-urbanism bias, and returning guest Caroline Spears, who is working to pass climate-friendly housing policy at the state level. We discuss why obsessi...
Apr 08, 2026•1 hr 6 min
It can be stomach-turning, watching the Trump administration torch federal climate policy. But what if some of what's burning wasn't working particularly well to begin with? Hannah Safford and Loren Schulman of the Federation of American Scientists' Center for Regulatory Ingenuity make the case, not for defending or trying to rebuild the status quo regulatory regime, but for imagining something better. This is a public episode. If you'd like to discuss this with other subscribers or get access t...
Apr 03, 2026•1 hr 21 min
The US power grid runs at about 50% capacity on average — built for its worst day, underutilized every other day. As demand surges from data centers and electrification, utilities are racing to build more infrastructure. But Ian Magruder, who heads the new industry-backed Utilize Coalition, argues there's a cheaper, faster path: better use what we've already built — it will enable faster growth and bring down ratepayer bills, potentially by billions. This is a public episode. If you'd like to di...
Apr 01, 2026•1 hr 5 min
In this episode, Dakota Gruener of Reflective walks me through her organization's new project, which maps the gaps in our scientific understanding of stratospheric aerosol injection — currently the leading candidate for directly cooling the planet. We get into what we don't know (including a factor-of-two disagreement on basic aerosol physics), who's already doing this without oversight, and the unsettling governance question of who controls the Earth's thermostat once humanity has grabbed it. T...
Mar 27, 2026•1 hr 6 min
The explosive energy demand from data centers is breaking our grid, pushing desperate developers to build their own on-site gas plants just to get online. To figure out how we avoid locking in decades of new fossil fuels, I’m joined by Camus CEO Astrid Atkinson and Princeton’s Jesse Jenkins to break down their proposed alternative. We dig into how adopting flexible grid interconnections and clean, battery-backed “power parks” can meet this massive load growth without abandoning our decarbonizati...
Mar 25, 2026•1 hr 11 min
New York Governor Kathy Hochul is trying to delay or roll back the state’s landmark climate law in the name of affordability. I’m joined by activist Pete Sikora to discuss the governor’s claims, what would actually serve affordability, and the larger politics behind this puzzling own-goal of a fight. This is a public episode. If you'd like to discuss this with other subscribers or get access to bonus episodes, visit www.volts.wtf/subscribe...
Mar 20, 2026•1 hr 2 min
In this episode, I’m joined by Kunal Girotra, who helped start and run Tesla’s residential energy business before leaving to start his own company. With Lunar, he has tried to create the most consumer-friendly possible battery and software ecosystem, which can seamlessly plug into solar panels, other devices, or VPPs. We talk about lessons learned and the future of residential electrification. This is a public episode. If you'd like to discuss this with other subscribers or get access to bonus e...
Mar 18, 2026•1 hr 17 min
I’m back with part two of my conversation with Jan Sramek, founder of California Forever, about his plan to build a brand-new city in Solano County. We get into the nuts and bolts of the urban design, discuss affordability and sustainability, get into governance issues, and look forward to what might happen next. This is a public episode. If you'd like to discuss this with other subscribers or get access to bonus episodes, visit www.volts.wtf/subscribe...
Mar 13, 2026•1 hr 12 min
In this episode, I’m joined by Jan Sramek to discuss California Forever, the much-debated proposal to build a brand-new, sustainably designed city in Northern California. We explore the urbanist vision at the heart of the project, including a street grid inspired by Barcelona superblocks, and address the elephant in the room — the stealthy land acquisitions and the billionaire backers. Is this an urbanist utopia in the making or a grandiose con job? This is a public episode. If you'd like to dis...
Mar 11, 2026•1 hr 3 min
