AI data centers run on electricity - not code.
And SoftBank wants to own the company that makes it.
CEO Masayoshi Son told shareholders this week that the telecom unit is looking to buy a stake in Tokyo Electric Power Co. - known as Tepco - Japan's biggest power utility. The reason? AI ambitions that need reliable, cheap power.
Every new AI model needs a data center. Every data center needs power. Lots of it.
A single large data center can use as much electricity as a small city. As companies like SoftBank push deeper into AI, locking down a steady supply of energy becomes just as important as buying chips.
Son's solution: go straight to the source. A stake in Tepco would give SoftBank influence over the utility that keeps Japan's lights on - and, more importantly, the one that could power its future AI factories.
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Tepco has its own reasons to say yes. The company is still dealing with the massive costs of cleaning up the Fukushima Dai-Ichi nuclear plant, which melted down in 2011.
Earlier this year, Tepco put out a call for potential partners - a capital tie-up that could help turn its business around. SoftBank, with its deep pockets and hunger for power, fits the bill.
It's a straightforward trade: SoftBank gets the electricity it needs. Tepco gets the money it needs.
This isn't SoftBank's only energy move. The group's telecom unit plans to turn a factory in Osaka into one of Japan's biggest production lines for large-scale batteries - the kind that store power for data centers.
If the Tepco deal goes through, SoftBank would control both the supply of electricity and the batteries that store it. That's a powerful position for a company betting big on AI.
US energy demand is already climbing as AI drives up the need for power. Japan could be next.
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