Report says SpaceX’s Terafab semiconductor factory plans to lean on natural gas power, not Tesla solar

SpaceX’s planned semiconductor manufacturing site in Texas, dubbed “Terafab,” is drawing scrutiny over how it would be powered. In a market-focused report, Yahoo Finance said the Terafab plan is expected to rely on natural gas power plants instead of Tesla solar panels, despite public discussion linking large-scale clean-energy expectations to Tesla’s broader footprint.

The report frames Terafab’s power question as a practical bottleneck for a high-intensity industrial build. Semiconductor fabs typically require large, steady electricity supplies and robust power reliability, and the piece suggests the energy approach being discussed is more conventional than solar-only, at least for the initial power backbone.

The Yahoo Finance article also places the claim in the context of Tesla’s technology portfolio and brand association with solar energy. It argues that, even if Tesla is involved in nearby or related energy narratives, Terafab’s electricity would not be sourced in a way that depends primarily on Tesla solar generation, according to the reporting.

That matters for how observers interpret the energy “announcement” around both companies. Tesla’s solar business is sometimes referenced in public debate when major industrial projects discuss renewable energy capacity, storage, or onsite generation. If Terafab is instead tied to natural gas generation, it weakens the case that the Texas chip factory will serve as a direct demand driver for Tesla’s solar deployments.

Tesla and SpaceX are closely linked in the public imagination because they share a founder and overlapping tech ambitions, but they operate as separate companies. Tesla’s stock, TSLA, trades publicly, while SpaceX is not traded as a public equity security. A power plan for Terafab that does not heavily depend on Tesla solar would therefore have more indirect than direct implications for Tesla’s business narrative, at least based on what the Yahoo Finance report says.

Sector context also frames the stakes. Industrial power procurement has become a more prominent corporate planning issue across energy-intensive manufacturing, where electricity prices, permitting timelines, and grid constraints can affect project schedules and operating costs. The claim that natural gas plants would be part of Terafab’s power strategy implies the project could be prioritizing dispatchable generation over a purely renewable approach.

The reporting does not, in the available material for this review, provide detailed terms such as which utilities or specific power purchase agreements Terafab would use, how much of the site load would be met by onsite generation versus offsite generation, or whether solar would play any role beyond a secondary or pilot capacity. It also does not quantify the share of power from natural gas compared with alternatives. As a result, while the direction of the claim is clear, the exact energy mix remains uncertain from the cited post alone.

Looking ahead, investors and industry watchers will likely focus on any later updates tied to Terafab’s construction milestones, permitting filings, environmental disclosures, and procurement announcements. For Tesla, the key watch item is whether any future disclosures suggest a measurable commercial relationship tied to solar or other energy products, rather than just high-level association with clean energy goals.