Terafab's $119 Billion Plan: What the SpaceX Records Fight Reveals, and Who Wins or Loses

Terafab's price tag was never announced at a press conference. It surfaced in Texas tax paperwork, and SpaceX is now in court trying to keep the rest of that paperwork sealed. What the public record already shows is more interesting than the headline number: a four-phase, ten-year option on a chip complex, of which only the first $16.8 billion is real money today.

Where the $119 Billion Figure Comes From

The $119B figure is not a SpaceX budget. It is the sum of investment ranges in eight applications filed under Texas's Jobs, Energy, Technology and Innovation Act (JETI), which split the build into four phases at and around Gibbons Creek Reservoir in Grimes County, about 20 miles east of College Station.

According to ENR's review of the filings, the county notice put the "initial phases" at about $55 billion, rising to $119 billion if every phase is built. The reinvestment zone covers more than 22,000 acres, though that does not mean all of it will be developed.

The four phases, by the numbers

Sources: JETI applications as summarized by ENR; "implies" column is Optimusk analysis.

One detail clears up a confusion you will see repeated online. Some analysts flagged the August 6 figure of $16.8B as 62% above the $10.37B in the applications. But ENR's breakdown shows Phase 1 spans two school districts, and the two applications ($10.37B + $6.43B) add up to exactly $16.8B. The announced number and the filings agree.

What the Records Fight Is Really About

The paper trail started small. Two Grimes County residents requested the Terafab and tax-abatement records. The county asked the Attorney General what it could withhold, and on July 28, 2026 Paxton's office ruled that only certain attorney-client communications could stay private. The rest had to be released.

SpaceX then sued Paxton and the county in September to keep costs, land-acquisition records, structural-design details and incentive negotiations under seal, arguing trade secrets and "substantial competitive harm," as reported by the Austin American-Statesman and KBTX.

On October 27, the Grimes County Citizens for Responsible Development filed its own suit in Travis County to force release and to intervene against SpaceX, per KLTV. Their attorney, Bill Aleshire, argues that once a deal is signed, the information becomes public unless a law makes it confidential. He expects a hearing as early as December, with orders possibly by spring 2027.

“Since the first commissioners court meeting on April 1, residents have faced nothing but a brick wall.”

— Marie Egyed, GCCRD, via KLTV

Why SpaceX cares so much about a county records request

1. Cost data reveals bargaining power. The filings already say that without the tax limitation, Terafab's internal rate of return falls below the minimum, and the project "would likely be relocated outside Texas," possibly to Arizona (Fortune). Detailed costs would show how much of that threat was real.
2. Design details reveal the process choice. Cleanroom specs hint at which node and which partner. That is exactly what SpaceX, Intel and TSMC are still negotiating.
3. The commitment is softer than the headlines. The county agreement requires only $5B invested by the end of 2030 and 1,800 jobs by the end of 2035, and SpaceX can terminate on 30 days' notice, per Cape Fear Advisors' read of the agreement. More disclosure invites more scrutiny of that gap.

The Real Commitment: An Option, Not a Megaproject

Strip away the headlines and here is what is legally locked in today:

• $10 million paid upfront to Grimes County (paid early, before the August 2 deadline).
• $20 million a year in payments from 2027 through 2036, in lieu of taxes on a 100% abatement.
• A $30 million Texas Enterprise Fund grant from the state.
• Land cleared by late September 2026, and a Tesla-run construction-management team hiring in Anderson, Texas.

SpaceX's own prospectus describes Terafab's projects, timelines, milestones and capex as "not yet determined." Meanwhile the company guided $35–40 billion of capex for Q4 2026 alone, CFO Bret Johnsen said on the Q3 2026 earnings call.

Why a hedge makes sense: the Nvidia margin math

Johnsen has called SpaceX "NVIDIA exclusive" and said chip allocation is "the piece that we don't control." Nvidia posted a 75.0% GAAP gross margin for the quarter ended July 26, 2026. When three-quarters of every GPU dollar is someone else's margin, a fab that captures even part of that spread pays for itself, as long as it works.

The Realistic Timeline: 2028 Is the Pilot, 2030 Is the Fab

On the Q3 call, Musk set two dates and hedged both with "big error bars":

1. A first functional test chip (probably SRAM) around May–June 2027 at the research fab in Austin.
2. Volume production around Q3 2028 at Gibbons Creek, which he called an "aspiration" and "very aggressive."

Now compare that with what the industry actually does. Texas filings list Terafab construction starting December 1, 2026. Exyte's Herbert Blaschitz estimates a large US fab takes about 38 months from permits to production, versus about 19 months in Taiwan (TrendForce). TSMC CEO C.C. Wei says a new fab takes 2–3 years to build and 1–2 years to ramp.

Other signals line up with the slower path. Terafab is reportedly set to receive its first ASML EUV tool in mid-2027, before the building shell is finished (Let's Data Science, citing Tom's Hardware). And the taxable-value schedule in the JETI filings shows only about $4.2B of property on the ground for 2028, rising to $10.7B in 2029. That is a site still filling with tools, not one shipping wafers at scale.

Who Wins From Terafab's $119B Buildout

Fabs are capital-heavy and job-light. Building the shell is typically only $4–6 billion of a $20B+ leading-edge fab, per TrendForce. The rest goes to tools, utilities and cleanroom systems. Apply that ratio and roughly $80–95 billion of a full Terafab would flow to equipment and process suppliers. That tells you where the money really lands.

1. ASML and the US tool makers

ASML is the clearest winner because it is the only source of EUV scanners. Its CFO Roger Dassen confirmed in July that 2027–2028 capacity plans already include the project.

“We're in dialogue with all our customers and we know ... what their building plans are. Terafab is also part of those plans.”

— Roger Dassen, ASML CFO, via Reuters/Euronext

Behind ASML stand deposition, etch and inspection vendors such as Applied Materials, Lam Research and KLA, plus Tokyo Electron. Their payoff does not depend on who operates the fab, Musk or TSMC. Tools get bought either way. More on the equipment chokepoint in Terafab Chips: ASML, TSMC and What It Will Make.

2. TSMC, which wins either way

In October Musk wrote, "No, we will build and run the fab," and offered TSMC at most a sublease (Tom's Hardware). Eight days later Wei answered on TSMC's earnings call:

“We are still in discussion. But the fab got to be run by TSMC.”

— C.C. Wei, TSMC CEO, via The Next Web

By November 1, Digitimes reported that Musk had "softened his stance" and that talks could move toward TSMC taking primary responsibility for construction and operations (Bits and Chips, Digitimes). If TSMC runs it, TSMC gets a customer-funded Texas fab. If talks fail, Musk's companies remain major TSMC customers anyway. TSMC's US build-out is already $165 billion in Arizona, so it does not need Terafab. Terafab needs TSMC's experience more.

3. Gas turbines, batteries and Texas power

Terafab is designed to run on onsite gas turbines and utility-scale batteries, not the grid. That puts it in line for the same turbine slots as every AI data center. GE Vernova's gas backlog plus reservations hit 116 GW in mid-2026, with output of only 24 GW planned for 2028 (Turbomachinery). Power equipment is a quiet Terafab bottleneck, and a quiet winner.

4. Texas trades and Grimes County's budget

Phase 1 alone promises 3,000 jobs, according to Governor Abbott. Before a single wafer, Tesla is hiring construction project managers, superintendents and logistics staff in Anderson. For the county, $10M upfront plus $20M a year totals about $210 million over ten years. With roughly 30,000 residents, that is around $7,000 per person.

Who Loses or Takes the Risk

1. Intel: from headline partner to open question

Intel joined in April, and Musk said Terafab would use Intel's 14A process. Intel's own 10-K warned it might pause 14A without a major external customer, so Terafab was its validation. Lip-Bu Tan said in October that Intel is staying in. But the Digitimes report did not say what Intel's role would be if TSMC takes over. And SpaceX's filings note that partners are not obliged to stay and that definitive agreements may never be signed (Yahoo Finance). Our full breakdown is in Intel and Terafab: The Partnership Explained.

A possible SpaceX–Tesla combination would reshuffle this further; we cover that in SpaceX Tesla merger: who wins, who loses.

2. Nvidia, in the long run

Not soon. SpaceX's 2027 build-out is "primarily Rubin, Vera Rubin compute," Musk said on the Q3 call, with a cluster of about 440,000 Vera Rubin systems targeted by end of Q2 2027. But every in-house AI5 or AI6 chip that eventually ships from Texas is a chip SpaceX does not buy at a 75% gross margin. Terafab is a 2030s risk to one of Nvidia's largest customer relationships, not a 2027 one. See our Nvidia robotics stock page for how that fits Nvidia's robotics bet.

3. Samsung's Texas foundry

Samsung confirmed it will make Tesla's AI5 in Texas, with high-volume production in the second half of 2027 (Not a Tesla App). That contract is safe for years. But Terafab exists precisely to cut reliance on outside foundries, so a successful Terafab caps Samsung's share of Musk's chips in the AI6 era and beyond.

4. Other Texas fabs competing for the same people

The SIA projects a US shortfall of about 67,000 chip workers by 2030, including roughly 26,400 technicians and 27,300 engineers (SIA). Terafab will recruit from the same pool as Samsung Taylor, Texas Instruments and TSMC Arizona. Expect wage pressure for fab technicians across the Texas Triangle. Practical advice for job seekers is in our Terafab jobs guide.

5. Grimes County residents

Six county roads are designated for construction traffic, the reservoir supplies process water, and residents still cannot see the deal terms. If SpaceX exits before June 1, 2027, it does not owe the 2027 payment. The upside is real, but so is the risk of hosting the world's largest building on a 30-day termination clause.

Quick Comparison: Winners vs. Losers

What Terafab Means for Tesla Optimus and AI5

Here is the part most coverage gets wrong: Terafab does not gate Optimus in 2027. Tesla's AI5 comes from Samsung's Texas fab and TSMC, with Musk saying high-volume production is "only possible in 2027." Optimus V3 production depends on those outside foundries.

Terafab matters later. Musk's vision includes up to 1 million Optimus robots, and SpaceX's orbital-compute targets run into the tens of gigawatts, and they depend on Starship actually flying (see our Starship Flight 15 recap). At that scale, competing with Apple, Nvidia and AMD for booked-out leading-edge foundry capacity stops working. Terafab is the bet for the 2029–2032 scale-up, not the 2027 launch. Our announcement breakdown explains why roughly 80% of Terafab's output was pitched for space and data centers, not Tesla.

Three Scenarios for Terafab Through 2030

These are Optimusk's editorial probabilities, based on the public record as of November 13, 2026.

Why the base case wins: Musk has already moved from "ZERO doubt" in early October to reopened TSMC talks a month later. He also admitted on the Q3 call, "we're just figuring out chip fabrication." Building a leading-edge fab from scratch, with a first-time operator, at Taiwan speed, in Texas, is something no company has done.

Checklist: 7 Signals That Will Tell You Which Scenario Is Coming

1. A signed TSMC agreement, or an 8-K or 10-Q naming a binding Terafab partner.
2. Intel's next update on 14A customers. Silence on Terafab would be telling.
3. The records hearing in Travis County, expected around December 2026, and any court-ordered release.
4. EUV delivery in mid-2027 and whether the building shell is ready to receive it.
5. The SRAM test chip at the Austin research fab, targeted for May–June 2027.
6. June 1, 2027, the last day SpaceX can exit the county deal without the 2027 payment.
7. County assignment. Any transfer of the abatement to a non-SpaceX entity, such as a TSMC-led JV, must go on a public commissioners' agenda.

For a running log of each milestone, bookmark our Terafab news tracker.

FAQ

Summary

The $119 billion is a ceiling, not a check. What SpaceX has committed is a $16.8B first phase, $20M a year in county payments, and a 30-day exit clause. The records fight is about protecting leverage while Musk, TSMC and Intel settle who actually runs the fab. Tool makers, TSMC and Texas power suppliers win almost regardless of the outcome. Intel and, eventually, Nvidia carry the most risk. For Optimus, Terafab is a 2030s scale-up story.

Want the bigger picture? Start with What Is Terafab, then follow the money in our Optimus stocks hub.