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In a live 𝕏 broadcast on March 22, Elon Musk announced TERAFAB, describing it as “the most epic chip building exercise in history by far” and “the next step towards becoming a galactic civilization.” The project is a joint effort between Tesla and SpaceX (with xAI compute needs also referenced), centered on constructing the world’s largest AI chip fabrication facility—likely at Giga Texas—to produce advanced semiconductors at unprecedented scale. Watch the video linked below.

Musk opened the announcement by stating he had “a profoundly important announcement to make,” emphasizing that TERAFAB would “take things to a level people aren’t even contemplating right now.” He positioned the initiative as a response to exploding AI demand that far outstrips current global supply chains. Global AI compute production today stands at roughly 20 gigawatts per year; TERAFAB targets more than 1 terawatt (1 TW) of annual compute capacity—equivalent to roughly twice the entire U.S. electricity grid—through the integrated production of logic chips, memory, advanced packaging, testing, and even photomasks in a single vertically integrated facility. This scale would yield 100–200 billion advanced chips annually.

Musk detailed the 80/20 allocation split: approximately 80% of output directed to space applications and 20% remaining on Earth. The rationale is Earth’s severe power constraints—the U.S. grid totals only about 0.5 TW—versus space’s near-unlimited solar energy, vacuum cooling, and ability to run chips hotter (reducing radiator mass for orbital data centers). Space-optimized chips will be radiation-hardened. Orbital compute clusters, deployed via Starship, would require launching roughly 10 million tons of hardware per year at full scale; Musk noted that Starship V3/V4 will make this feasible, with future Moon-based mass drivers (electromagnetic launchers) enabling petawatt-scale expansion.

Announcing TERAFAB: the next step towards becoming a galactic civilization https://t.co/xTA70LOU0e

— SpaceX (@SpaceX) March 22, 2026

On Earth, the chips will power Tesla’s Optimus humanoid robots (projected to reach billions of units, each requiring roughly 10 times the compute of a vehicle), robotaxis (Cybercab), Full Self-Driving hardware, and xAI training/inference clusters. Musk stressed that even best-case estimates from external suppliers such as TSMC, Samsung, and Micron fall short—supplying only about 2% of projected needs—necessitating in-house production for both volume and rapid iteration on new chip designs and “radical new physics” ideas. “Quantity has a quality all its own,” Musk quoted, underscoring that sheer production scale itself becomes a decisive advantage.

The facility’s one-building vertical integration—encompassing everything from photomask production to final testing—is designed for 10× faster design cycles than traditional foundries, allowing Tesla and SpaceX to innovate far more quickly than relying on third parties.

Musk framed TERAFAB not merely as a manufacturing project but as foundational infrastructure for a multi-planetary, AI-driven future: enabling an “age of amazing abundance,” a robot-AI economy potentially 1 million times larger than today’s, post-scarcity conditions reminiscent of Iain M. Banks’ Culture series, and humanity’s transition toward Kardashev Type II status (harnessing a significant fraction of a star’s energy). “Anyone can travel to Saturn,” he envisioned, tying the project directly to sustaining life and intelligence beyond Earth.

Musk reiterated that Tesla and SpaceX will continue purchasing Nvidia chips at scale while building TERAFAB in parallel. No specific construction cost, exact 2nm process confirmation, or day-one timeline beyond the formal launch was detailed in the core remarks, though the project echoes Tesla’s earlier Gigafactory playbook for batteries—now applied to silicon at tera-scale.

The announcement, posted by SpaceX’s official account, quickly drew millions of views and widespread reactions framing it as a pivotal leap toward Kardashev-scale civilization. Musk had teased the “Terafab Project launches in 7 days” one week earlier, confirming the timing.

With TERAFAB, Musk made clear that Tesla and SpaceX are no longer content to depend on external semiconductor giants. By owning the full stack—from design to orbital deployment—the companies aim to remove the final bottleneck on AI, robotics, and space expansion, accelerating humanity’s multi-planetary future.

Electromagnetic mass drivers on the Moon will enable Tesla, xAI, and SpaceX to launch payload to orbit from the lunar surface without a rocket, which will significantly decrease the cost of launching payloads.pic.twitter.com/orTdLVjjV2

— Evelyn Janeidy (@JaneidyEve) March 22, 2026

Author’s note: Thanks for reading Cosmic Chronicles. Write your thoughts in the comment section below. If you have story suggestions or feedback, Direct Message me on social media 𝕏: Evelyn Janeidy Arevalo @JaneidyEve. Read the most recent stories featured below. Thank You.