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Elon outlined a massive AI compute roadmap: reaching about a terawatt per year with giant Earth-based factories. He proposes building AI satellite factories on the Moon and launching satellites into orbit using electromagnetic mass drivers.

80,627 Aufrufe • vor 3 Monaten •via X (Twitter)

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Bro… Elon just laid out the blueprint on how xAI and SpaceX are getting to 1,000+ gigawatts per year and beyond, in his closing statement at the xAI all-hands! IMO, this is why there will be no competition in space. 1/ Earth Supercomputers (Now) Build Memphis cluster to get us to >1 GW of power. “We’re only right now using roughly one percent of the potential energy of Earth.” Plan: • 330,000+ Grace Blackwell GPUs • ~1M H100-equivalent compute • 1 gigawatt draw at full scale • Built in <1 year • Tesla Megapacks stabilizing energy FYI, most AI companies are operating in hundreds of megawatts, yet xAI is already at a utility-scale gigawatt compute. 2/ Orbital Datacenters (Soon) Get to 100-200 GW per year launched into orbit with a path to ~1 terawatt (1,000 GW) total from Earth launches. “The next step beyond Earth data centers is our Earth orbital datacenters… launching at the 100-200 gigawatt per year level. Not cumulative, I mean per year.” Benefits: • Continuous solar exposure • No land constraints • No terrestrial grid bottlenecks • Virtually unlimited horizontal expansion FYI, 100–200 GW per year is equivalent to adding multiple large nation-scale grids annually. 3/ Moon Factories + Mass Driver (Mid Future) Get to 1,000+ GW per year, several orders of magnitude beyond Earth. “In order to do that you have to go to the Moon… We are actually going to have a mass driver on the Moon.” Plan: • Lunar factories build AI satellites • Electromagnetic mass driver launches them without fuel • Low lunar gravity reduces launch energy requirements • Scales far beyond Earth’s physical constraints FYI, this is when industrialized compute begins manufacturing off Earth. 4/ Solar System & Beyond (Long Term Future) Today the sun outputs ~3.8 × 10²⁶ watts “If we wanted to use even a millionth of the Sun’s energy, that would be roughly a million times more energy than civilization currently uses.” This means • 0.000001 of the Sun’s output = ~1,000,000 × today’s global Earth energy usage. 🤯 “Earth is really a tiny, tiny dust mote in a vast darkness… The Sun is 99.8% of all mass in the solar system.” To access that scale: • Moon manufacturing • Mars expansion • Solar-orbit compute clusters • Eventually tapping meaningful fractions of stellar output So… the blueprint to get here is 1/ Start at 1 GW. 2/ Scale to 1 TW. 3/ Scale to 1,000+ GW per year. 4/ Then expand toward fractions of the Sun itself. It’s clear that xAI + SpaceX is building the AI infrastructure and pathway to a stellar-scale energy civilization. I really hope I’m still alive to witness all this.

Teslaconomics

526,587 Aufrufe • vor 5 Monaten