Elon Musk’s latest moves reveal a striking energy contradiction. His AI company, xAI, is powering data centers with gas turbines. Meanwhile, Tesla, his clean energy pioneer, barely supplies solar power to these operations.

SpaceX’s recent IPO filing offers a peek behind the curtain. It shows xAI plans to spend $2.8 billion on more gas turbines over three years. These are mainly “mobile” natural gas generators stationed near Memphis, Tennessee. The company already operates dozens of these turbines without full permits, sparking a lawsuit from the NAACP. The group argues the turbines worsen pollution in an area already struggling with air quality.

xAI claims these turbines are “mobile” since they remain on trailers, allowing operation without certain permits for up to a year. But federal environmental regulators disagree. The EPA ruled that xAI violated air pollution laws. This legal battle threatens xAI’s ability to run its AI data centers smoothly.

At the same time, the SpaceX filing touts a bold vision for space-based solar power. The company argues solar panels in orbit can generate over five times more energy than those on Earth. The idea is to use SpaceX’s Starship rockets to launch massive solar arrays and AI data centers into low Earth orbit. This would provide 24/7 power free from terrestrial constraints.

But the economics of orbiting AI servers and solar panels remain daunting. Launch costs, radiation shielding, and satellite maintenance all add up. Power prices for satellites today are far higher than ground-based data centers spend. Plus, it’s unclear if AI training can be split across many orbiting servers. For now, much of the AI work must stay on Earth.

The Growing AI Energy Demand and Its Limits

Musk’s filing warns of “terawatt-scale” growth in AI compute demand. That’s an enormous leap. The entire world’s data centers today consume about 40 gigawatts. Musk expects AI alone to add terawatts every year, far exceeding current global energy use.

This forecast drives SpaceX’s push for new power sources. The company suggests Earth’s power grid and renewable energy can’t keep up. That’s why they plan to tap into space-based solar eventually. Meanwhile, xAI’s gas turbines fill the current energy gap.

The problem is clear: xAI’s current gas turbine use clashes with Musk’s earlier clean energy promises. Tesla’s Master Plans focused on moving away from fossil fuels. Yet xAI is cementing fossil fuel infrastructure into its AI operations now. Tesla’s solar panels and battery systems get little mention or use in this context, despite being owned by Musk.

Financial Stakes and Industry Impact

SpaceX’s IPO also reveals huge AI-related losses despite Starlink’s profits. xAI’s data center division lost $6.4 billion last year. This deep red ink comes even as SpaceX secures a $45 billion deal to rent data center power to Anthropic, an AI rival. Anthropic will pay over a billion dollars annually to access SpaceX’s AI compute clusters.

Musk retains tight control over SpaceX through super-voting shares. His vision extends beyond Earth, aiming for Mars colonies and orbital data centers powered by solar arrays. Investors buy into this grand vision, even as real-world operations still rely on polluting gas turbines. The gamble is enormous, balancing futuristic goals with immediate environmental concerns.

The story of Musk’s companies captures a tech industry crossroads. AI demands are exploding, and energy needs are rising fast. But the clean energy transition has not kept pace. For now, fossil fuels remain a fallback. The challenge will be to align AI’s growth with sustainability before environmental costs become too high.

Musk’s space solar dreams might solve this someday. But until then, the turbines keep spinning on Earth, burning gas and raising questions about how green AI really is.