Geothermal is a promising technology to provide clean, low-cost, baseload power to the electricity grid. It works by getting heat from deep in the ground, using technology that is similar to that used in fracking. Despite this potential, however, geothermal still remains a very small percentage of the US power mix. So what will it take for it to scale up? One big challenge is the core problem of financing. Firms need customers in order to get financing. But customers don't want to sign up for projects unless firms can finance them and get them built. On this episode, recorded live onstage at the Department of Energy's Deploy24 conference in Washington DC, we speak with Tim Latimer, the founder and CEO of geothermal company Fervo Energy. Tim was previously in the fracking industry. He explained to us how geothermal works, what's being built, and what it will take from private and public actors in order to scale it up.

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