Tesla has filed paperwork for a $10.1 billion solar-cell manufacturing campus in Fort Bend County, Texas, the largest manufacturing investment the company has ever put on paper. The application, submitted to the Texas Comptroller’s Office under the state’s Jobs, Energy, Technology and Innovation program, surfaced publicly on Aug. 6 and seeks a 10-year property-tax limitation from the Lamar Consolidated Independent School District.
The project, code-named Project Crystal Sun, would occupy roughly 3,050 acres near Richmond, southwest of Houston, on five parcels along FM 762 and FM 1994. Tesla says it would create 9,712 permanent jobs with an estimated annual payroll of about $1.3 billion, plus about 1,147 construction jobs. Construction is planned for 2026 through 2028, with commercial production scheduled to begin in the first quarter of 2029.
The filing details an operation built for the hard part of solar manufacturing. Of the $10.116 billion total, about $1.5 billion is real property and $8.6 billion is equipment: ingot manufacturing, wafer slicing, chemical coating, metallization and printing, cell testing and quality control, automated material handling and cleanrooms. Most solar manufacturing that has returned to the United States in recent years is module assembly — laminating imported Asian cells into framed panels. Ingot-to-cell production under one roof is the capital-intensive end of the business, and the equipment share of the budget signals that Tesla intends to do that part itself.
The incentive math sits at the center of the filing. Tesla says property taxes are among the highest operating costs for large capital-intensive facilities in Texas, and that without the JETI value limitation and local abatements, the Fort Bend site’s projected economics would be less favorable than a competing site in another state. The company says it is evaluating various locations across multiple U.S. states and does not name the alternative. The application also references the federal Section 45X advanced manufacturing production credit and the Section 48D investment credit, layering federal subsidies on top of state incentives. Kroll, the consulting firm that prepared the economic impact statement, claims the project would add roughly $107 billion to Texas gross domestic product and $6.4 billion in state and local tax revenue over 38 years — consultant math built on input-output multipliers, which analysts say should be read with caution.
The economics of the project depend on a policy picture that is itself in flux. U.S. import duties on solar cells and modules have pushed prices up and made domestic production more competitive, but they have also raised the cost of the equipment and materials a new plant must buy. Industry analysts said a facility of this scale would need to run near full utilization to justify the equipment spending, and that the real test will come after the 45X credits begin to phase down. If cell prices keep falling globally, the Fort Bend plant’s output will have to compete on quality and logistics — proximity to the grid and to Texas demand — rather than on cost alone.
Analysts note the filing is a negotiating position, not a commitment. Companies file these applications to shop jurisdictions against one another, and many never break ground. The comptroller has 60 days to respond once the application is deemed complete, the governor’s office and the school district must agree, and Fort Bend County commissioners would need to create a reinvestment zone. Permits follow after that. A $10 billion number in a tax filing is still a real number, but it is early.
The solar campus is the latest piece of Elon Musk’s Texas manufacturing buildout. It follows this week’s announcement that SpaceX and Tesla will spend $16.8 billion on the first phase of Terafab, an advanced chip complex in Grimes County — a project Musk has said will run on natural-gas power. Solar cells in Fort Bend, gas turbines in Grimes: the pairing is a window into Musk’s energy pragmatism. He uses whatever is cheapest, whatever the branding.
Tesla’s history with solar dates to its 2016 acquisition of SolarCity and a factory in Buffalo, New York; the new filing would be a far larger bet on domestic cell production. The U.S. solar manufacturing buildout has accelerated under tariff protection and the Inflation Reduction Act, but China still dominates the cell supply chain, and the domestic industry remains thin exactly where it matters most — the ingot-to-cell steps the Fort Bend plant would cover. A first-quarter 2029 start would capture roughly a year of full-rate 45X credits before the credit ratchet begins, a timing detail that points to the subsidy dependence underneath the headline number.
Tesla has not said the plant will be built. It has said the plant is worth $10.1 billion to Texas — if Texas makes it cheap enough. For Fort Bend County, the filing is a bet that the biggest electric-vehicle maker in the United States wants to become one of the biggest solar manufacturers too. For everyone else, it shows how the economics of American manufacturing now run through incentive offices, and how the energy transition’s next chapter is being negotiated one tax break at a time.
