xAI Goes All-In on Gas as Musk's Solar Vision Moves to Orbit

The News

Elon Musk's xAI is planning $2.8 billion of additional natural gas turbines to power its US training clusters, even as SpaceX pitches investors on orbital solar farms as the long-term fix for AI's power problem. The detail comes from a TechCrunch report by climate writer Tim De Chant.

xAI already runs dozens of unregulated gas turbines and has spent $697 million on Tesla Megapack battery storage over two years. But it has bought, in De Chant's phrasing, no materially significant quantity of Tesla solar panels. SpaceX has separately spent $131 million on 1,279 Cybertrucks from Tesla.

The contrast with Musk's own rhetoric is sharp. Tesla's Master Plan Part 3, published three years ago, set out a roadmap to eliminate fossil fuels and accelerate the solar electric economy. The turbine programme is the largest fossil fuel buildout by any frontier AI lab on record.

Why It Matters

The world's data centres currently draw roughly 40 gigawatts. Frontier labs are openly modelling demand growth at terawatt scale within the decade, against a global energy system that runs at about 4 terawatts continuously. The arithmetic does not work without burning something.

That is why Microsoft has signed a 20-year deal to restart the Three Mile Island nuclear plant, why Amazon has bought a nuclear-adjacent data centre campus from Talen Energy, and why Google has placed orders for small modular reactors from Kairos Power. xAI's gas pivot is the cheapest, fastest version of the same calculation: get the power online before competitors do, and worry about the carbon ledger later.

SpaceX's orbital solar pitch reads as a hedge for investors who still want a clean energy story. Space-based panels can theoretically harvest more than five times the energy of terrestrial ones, but lifting that capacity to orbit at scale is a problem nobody has solved.

Indian Angle

India's hyperscale data centre buildout is heading into exactly this trap. Reliance's planned one gigawatt AI facility at Jamnagar, built around NVIDIA accelerators, will draw power from a grid that is still roughly three-quarters thermal. Adani's AdaniConneX joint venture with EdgeConneX, Yotta's campus in Navi Mumbai, and Sify's expansions in Hyderabad face the same fact pattern. The renewables share of the Indian grid rises year on year, but the marginal megawatt for a new GPU cluster, in the near term, is coal.

The difference for Indian operators is disclosure. SEBI's BRSR Core framework forces the top one thousand listed companies to report Scope 2 emissions with assurance, and corporate buyers of AI capacity are asking suppliers the same. RBI's green deposit framework and the sovereign green bond programme have tied cheap capital partly to documented decarbonisation. xAI can absorb the cost of an unregulated gas buildout because it is private. Reliance, Adani and Tata Communications cannot.

Expect Indian operators to lean harder on round-the-clock renewable PPAs, the kind ReNew and Greenko have structured for hyperscale clients, rather than copy the xAI playbook. The cost premium is real, but so is the cost of explaining a coal-heavy AI cluster to a green bond investor.

FAQ

How much new fossil fuel capacity is xAI planning?

$2.8 billion of additional natural gas turbines, on top of the dozens already running unregulated at its US training site. That is the largest disclosed fossil fuel buildout by any frontier AI lab.

What did Musk previously promise on energy?

Tesla's Master Plan Part 3, published three years ago, committed to a roadmap that would eliminate fossil fuels and accelerate a solar electric economy. Earlier master plans framed Tesla's mission as helping shift the world off mine-and-burn hydrocarbons.

How does this compare to what other frontier labs are doing?

Microsoft is restarting the Three Mile Island nuclear plant under a 20-year offtake. Amazon has bought a nuclear-adjacent campus from Talen Energy. Google has ordered small modular reactors from Kairos Power. xAI is the only frontier lab leaning this heavily on new fossil generation.

What does this mean for Indian data centre operators?

The same power-versus-promise tension applies, but with stricter disclosure. SEBI's BRSR Core regime and RBI's green finance rules push listed Indian operators towards round-the-clock renewable PPAs rather than the unregulated gas route xAI has chosen.

Where can I read the original report?

The story was filed by Tim De Chant for TechCrunch's climate desk on 23 May 2026. The link is in the attribution paragraph below.

This story was reported by TechCrunch. Read the full original coverage at TechCrunch.