Casey Handmer on Solar Energy and AI
Dwarkesh Podcast | 15 August 2025 | 1h 08m | Listen Later
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Interview with Casey Handmer discussing how to meet the hundreds of gigawatts of extra energy demand AI will generate over the next decade. Argues that solar power will be the major part of this energy singularity, despite hyperscalers currently choosing natural gas. Handmer highlights solar’s astonishing learning rates, which make it increasingly cost-effective and abundant. Suggests that the US can ramp up solar manufacturing to compete with China. Large AI data centers might require tens of thousands of acres for solar panels, primarily in areas like Texas, with batteries increasingly replacing traditional grid functions. Ultimately, Handmer suggests that AI’s true value may be better measured by total energy use rather than GDP, envisioning a future where silicon is both the power source and the computational unit.
I recommend Casey Handmer’s blog. See also the Multiverses episode about his firm Terraform Industries and its work synthesising methane and hydrocarbons from the air.