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May 23, 2026
Analyzed by Llama- 4 Scout 17B 16E Instruct

Elon Musk Shifts Focus from Solar Power to Space-Based Energy

AI Summary
Elon Musk's company xAI is embracing fossil fuels for its data centers, while SpaceX focuses on space-based solar power, suggesting a shift away from traditional solar energy on Earth.

The Shift in Elon Musk's Energy Strategy

Has Elon Musk given up on Tesla’s Master Plans, on the electrified economy, on solar power as we know it? From the SpaceX IPO filing released this week, it sure seems like it.

Musk's Changing Approach to Renewable Energy

Tesla has released four Master Plans over the years, and while details have varied, the through line has been electrification of the economy. Musk put it best in his first edition: “the overarching purpose of Tesla motors…is to help expedite the move from a mine-and-burn hydrocarbon economy towards a solar electric economy.”

The Rise of Fossil Fuels in xAI's Data Centers

But recently, one of Musk’s companies, xAI, has embraced the mine-and-burn hydrocarbon economy, using dozens of unregulated natural gas turbines to power its data centers with plans to buy $2.8 billion more, effectively cementing the fossil fuel’s role in the company’s AI operations.

Space-Based Solar Power: The Future or a Distraction?

Solar power isn’t missing in the SpaceX filing, it’s just all concentrated on space, which the company touts as the future of data center power. Terrestrial solar garners a few mentions — not as a power source for xAI data centers but instead to show how much better SpaceX thinks space-based solar will be.

The Challenges of Space-Based Data Centers

Even if SpaceX is able to bring down the cost of boosting a data center into orbit, the economics are challenging at best. Power prices for Starlink satellites are multiples higher than what a terrestrial data center typically spends, and protecting chips from the rigors of space won’t be easy or cheap.

The Future of AI Compute and Energy Demand

It’s likely that Musk considers xAI’s current data centers as stopgaps, that once SpaceX is able to loft gigawatts worth of servers into orbit — probably just a few years away, in his mind — he’ll scrap what’s here on the ground, natural gas turbines included and not have to think about NIMBYs anymore.