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The bottleneck is the **turbine blade**
Of course Elon has analysts who tell him what they think. Elon isn’t the one who figured this out.
Elon Musk says three casting foundries broke America’s entire AI power buildout through 2030.
Every AI company on Earth was racing to scale chip production.
Doubling. Then doubling again. Then doubling again.
Each cluster needed power the day chips arrived.
Musk says the math broke at the generator.
“Those who have lived in software land don’t realize they’re about to have a hard lesson in hardware.”
Permits. Interconnects. Power lines.
The boring infrastructure decided who could turn the chips on.
Then Musk drilled down one more level.
The bottleneck wasn’t power plants. It wasn’t even gas turbines.
It was a single component inside the turbine.
“It’s the vanes and blades in the turbines that are the limiting factor.”
The whole AI buildout funneled through one part: the **turbine blade**.
Musk, who had ganged turbines together for Colossus, traced the supply line back further.
“There are only three casting companies in the world that make these, and they’re massively backlogged.”
Each blade had to survive 1,500-degree gas at 10,000 RPM, and casting one to spec required a process so specialized that only three companies in the world had mastered it.
Three foundries. All backlogged. Sold out through 2030.
After Musk traced the bottleneck, SpaceX and Tesla started casting blades themselves.
Sold out. Backlogged. Internal-only.
Musk, on what this meant for everyone else:
“In order to bring enough power online, I think SpaceX and Tesla will probably have to make the turbine blades, the vanes and blades, internally.”