ELON MUSK ON WHY SPACE SOLAR IS ESSENTIAL FOR KARDASHEV PROGRESS

“To make any progress on a Kardashev 2 scale… you really have to have your solar power in deep space.”

These late 2025 comments remain central as AI energy demands grow and orbital deployments advance into 2026.

He notes Earth receives only a tiny fraction of the Sun’s output, limiting terrestrial scaling.

Space allows access to vastly more continuous energy without atmospheric losses.
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