Terafab: Elon Musk's $119 Billion Bet To Never Need Nvidia Again — Wall Street Is Watching

Kind: captions Language: en In rural Grimes County, Texas, two rocket and car companies just broke ground on a single building 2 and 1/2 miles long enough that walking from one end to the other without stopping takes the better part of an hour. Under its one unbroken roof will eventually sit more than 100 million square feet of factory floor. Enough space to swallow 80 Boeing aircraft hangers whole or wrap 1,700 football fields edge to edge under a single roofline. Elon Musk calls it simply the largest and most valuable building on Earth by far. It's called Terafab and >> [music] >> despite the names attached to it, it isn't a car factory and it isn't a rocket factory. It's a chip factory. The first phase alone costs $16.8 billion. Total spending, if every phase gets built, could climb past $119 billion. >> If this is your first time here, welcome. Hit subscribe now because we're about to go inside the engineering that made this possible. What you're about to see next took years, billions of dollars, and engineering most people said couldn't be done. >> Tesla builds electric cars. SpaceX builds rockets. Neither company makes computer chips for a living until now. Tesla's humanoid robot, Optimus, and its self-driving cybercab both run on custom AI processors, chips that have to think in real time with no delay, [music] no matter what's happening around them. SpaceX, meanwhile, is racing to put data centers directly into orbit, feeding Starlink and the next generation of AI workloads from space itself. And those orbital systems need chips engineered to survive radiation and extreme heat that would fry an ordinary processor within days. For years, both companies stood in the same global line as every other tech company on Earth. Depending on outside chipmakers like TSMC and Samsung to fill their orders [music] whenever capacity allowed. Musk decided that wasn't good enough anymore. In March, he unveiled the idea publicly at Austin's Seaholm Power Plant, pitching a three-way joint venture between Tesla, SpaceX, and his AI company, xAI. But Austin itself couldn't support a building of this scale. Not enough land assembled in one place. Not enough spare grid capacity. And nowhere near enough water rights available without a fight. The search moved 2 hours northwest into a quiet stretch of Grimes County, best known for cattle ranches and for an old coal-fired power plant that had sat completely shut down since 2018. [music] Its cooling reservoir still holding decades [music] worth of water that nobody nearby was using anymore. It's worth pausing on just how unusual this alliance is. Tesla and SpaceX share a CEO. But they've historically run as separate companies with separate supply chains, separate factories, and separate balance sheets. Folding a chip fab, one of the single most capital-intensive, technically demanding industries on Earth into a joint venture between the two is [music] a structural bet that both companies now need the exact [music] same kind of silicon badly enough to build it together rather than compete for the same scarce capacity from outside suppliers like everyone else in the industry. Every gigafactory needs three things in enormous quantities: land, power, and water. And in a state [music] that has spent recent years locked in drought warnings, water was always going to be the hardest of the three to secure without a fight. Site selectors zeroed in on the shuttered Gibbons Creek coal plant, closed since earlier of ID, precisely because its reservoir had spent decades storing rainwater runoff for industrial cooling. Water that had been sitting there untouched, never once pulled from the ground beneath the county. SpaceX committed publicly to drawing exclusively from that surface reservoir instead of local groundwater. A direct and deliberate response to a county that had already been watching AI data centers spread across Texas, county by county, straining grids, and drawing down wells as they went. The company layered on-site wastewater treatment and water recycling systems into the plan before a single shovel ever touched the ground. Local officials say the completed facility will employ at least 3,000 people from Grimes and neighboring Brazos County. Genuinely transformative numbers for a county where cattle have historically outnumbered residents by a wide margin. Before construction could formally begin, SpaceX representatives sat down face-to-face with Grimes County residents in person to walk through the water plan, the jobs plan, and the construction timeline directly. An [clears throat] unusually hands-on step for a project operating at billion-dollar scale. With the site secured, engineers faced a structural problem almost nobody on Earth has ever had to solve before. How do you build a single building 2.5 mi long under one unbroken roof without the whole structure behaving like dozens of separate buildings stitched together badly? >> Congratulations, everyone. Well done. All right, keep it moving. >> For comparison, Boeing's Everett factory, for decades the largest building on Earth by volume, measures well under half a mile across. Terafab's footprint alone is planned to cover more than 100 million square feet of manufacturing floor. An area larger than 1,700 football fields laid edge to edge under one continuous roofline, you could theoretically see from space. A structure at that scale can't be built the way a normal factory is built. Engineers are designing it in modular sections, each one a self-contained clean room environment with its own filtered air, its own vibration control, its own power distribution, then stitching every section together into a single seamless production line stretching for miles in one direction. Every inch of the concrete slab underneath has to be engineered dead flat because semiconductor manufacturing tools measure defects in nanometers, not inches. A slab that settles unevenly, by even a few millimeters, months after the concrete cures, can throw an entire production line out of tolerance and cost billions in scrapped output. Roads, rail spurs, and utility corridors all have to be routed around and through a building whose scale makes it, for construction purposes, closer to a small city grid than a single job site. At 2.5 mi end to end, cranes working one side of the property are, in practical terms, working a different job site from the crews on the opposite side. Coordination across a site this large has to be run less like a single construction crew and more like several construction projects happening in careful sequence on the same continuous slab. >> All right, hold it right there. We got it. >> Inside that first phase, Terafab is being built around Intel's 14A process, one of the most advanced chip manufacturing nodes announced anywhere in the world. Working at feature sizes measured in units smaller than a strand of human DNA. Getting a brand new fab to reliable, high-volume mass production on a bleeding-edge node like 14A typically takes established chip makers years of trial and error. Even inside companies that have been running fabs for decades, yield problems, contamination, tooling, calibration, all of it has to be solved essentially from scratch on a production line that has never run before. The chips coming off that line are designed for one very specific job, edge inference, meaning the chip does its thinking locally on the device itself instantly without waiting for a round trip to a data center hundreds of miles away. That's exactly the kind of processing Optimus needs to react to a dropped object in a fraction of a second. And exactly what a cyber cab needs to make a split-second driving decision in traffic with zero tolerance for lag. A separate production line inside Terafab is dedicated entirely to high-powered chips built specifically for SpaceX's space-based data centers, processors engineered from the ground up to survive the radiation bombardment and extreme thermal swings of orbit. A category of chip that essentially no commercial fab on Earth has ever mass-produced at scale before now. A chip fab of this size needs staggering amounts of continuous, ultra-stable electricity. Semiconductor manufacturing tools are sensitive enough that a power flicker lasting a fraction of a second can ruin an entire batch of wafers mid-process. Engineers are designing dedicated on-site power infrastructure and layered backup systems capable of running around the clock without interruption. On a scale that behaves more like a small city's grid than a single industrial customer. Materials and equipment for a fab this size arrive by the truckload around the clock for years on end. Ultra-pure silicon wafers shipped in sealed contamination-proof cases. Process chemicals held to purity levels of 99.99999%. And lithography machines so precise and so expensive that a single unit can cost more than $150 million and require its own dedicated shipping and installation crew. Every one of those machines has to be installed, calibrated, and vibration isolated inside a building that is, in places, still under active construction around it. Meaning crews are effectively running two enormous projects at once. The shell of the building and the ultra-sensitive fab equipment going into it on overlapping timelines that leave almost no room for error. >> The shielding efficacy is stable at 99 >> The 16.8 billion dollars committed so far covers only the first phase of construction. The initial clean room modules, the first production lines, and the site infrastructure needed to support them. Musk and company officials have said total spending across the full multi-phase build-out could eventually climb past 119 billion dollars. A figure that, if it holds, would place Terafab among the single most expensive private construction projects ever attempted anywhere on the planet. In any industry. That kind of open-ended, phase-by-phase spending is exactly how Musk has built before. Gigafactory Texas and Gigafactory Berlin both grew far beyond their original announced footprints, adding buildings and production lines years after their first groundbreaking, but never at this physical scale. And never for a building that has to hold nanometer level tolerances across two and a half continuous miles of concrete and steel. Terafab doesn't rise in a vacuum. Just a few hundred miles away, TSMC has already sunk tens of billions of dollars into its own Arizona campus, racing to bring advanced chip production onto American soil for the first time in decades. Samsung is building outside Austin. Intel, the very company licensing its 14A process to Terafab's first phase, is fighting to stay competitive on its own home turf while renting out its most advanced node to a newcomer. Every one of these companies is chasing the same underlying shortage. The world's appetite for AI compute has outgrown the world's ability to manufacture the chips that compute runs on. And whoever controls fab capacity increasingly controls the pace of the entire AI industry. What makes Terafab different isn't the technology inside it. It's who's building it. Tesla and SpaceX aren't chip companies entering the chip business to sell chips to others. They're building a captive supply chain. One that guarantees their own robots, their own cars, and their own satellites never again have to wait behind Apple, Nvidia, or anyone else for a place in line. Grimes County said yes to Terafab, but not without real tension sitting just underneath the announcement. This is the same state where AI data centers have already strained power grids and drawn down groundwater in community after community across the past few years. And residents here had been watching those fights play out on the news long before SpaceX representatives ever showed up in person to make their case. When company officials sat down with locals, the water question came first. Every single time. Could a single reservoir really supply a building of this size indefinitely without eventually reaching into the ground beneath their own homes and wells? SpaceX's answer was specific and repeated. Surface water only. Onsite treatment from day one. Recycling built into the design rather than added later. Groundwater left completely untouched. Whether that promise holds for a facility that officials themselves say could grow several times larger over the next decade is something no environmental report filed today can fully guarantee in advance. It's a bet the county is making right alongside the companies building it. And there's a second, quieter test still ahead. One that has nothing to do with water at all. Musk has a long, well-documented public history of announcing construction and production timelines that both Tesla and SpaceX have gone on to miss, sometimes by years. The groundbreaking on August 6th, 2026 was real, confirmed by state officials, and photographed on site. But the distance between a first shovel of dirt and 100 million square feet of fully operational clean rooms delivered on budget and on schedule has broken far larger and far more experienced companies [music] than either of these. If Terafab [music] is finished as designed, it will stand as the largest building human beings have ever constructed [music] for a single continuous purpose. Bigger than any aircraft hangar, [music] any warehouse, any factory previously built anywhere on Earth. All of it built specifically so that two rocket and car companies never again have to wait in line behind everyone else for someone else's chips. It's a bet that the machines defining the AI age walking humanoid robots, fully self-driving cars, data centers running not on the ground but in orbit are important enough to justify building the single biggest factory on the planet almost from a standing start in a rural Texas county that until this year was known mainly for cattle and a shuttered power plant. Whether the final number lands closer to $16.8 billion or climbs all the way to $119 billion, one thing is no longer hypothetical. Ground has already broken. Trucks are already moving dirt. And the largest building on Earth is now officially under construction. If you want [music] to see what happens next as the world's most ambitious builders bet everything on a single Texas site. Subscribe right now. New mega projects every single week.