Volts

David Roberts
Volts
Latest episode

410 episodes

  • Volts

    Doing data centers the not-dumb way

    04/15/2026 | 1h 30 mins.
    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/subscribe
  • Volts

    Ruggedized solar power for the hard places

    04/10/2026 | 52 mins.
    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.
  • Volts

    Why climate funders don't fund housing policy, and why they oughtta

    04/08/2026 | 1h 6 mins.
    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 obsessing over easily quantifiable emissions reductions is blinding the movement to massive, tractable wins, and why ignoring zoning reform is no longer an option for serious climate advocates.
  • Volts

    Rethinking climate regulation from the ground up

    04/03/2026 | 1h 20 mins.
    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 to bonus episodes, visit www.volts.wtf/subscribe
  • Volts

    Using more of the grid we’ve already built

    04/01/2026 | 1h 5 mins.
    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 discuss this with other subscribers or get access to bonus episodes, visit www.volts.wtf/subscribe

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About Volts

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
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