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US AI data centres may use as much energy as its new solar farms make

It takes a nation of PVs to host our chat

Generative AI uses a lot of energy, though figuring out how much is hard. There’s no point in asking ChatGPT. It won’t say.

Much of the academic research around the theme has involved counting the number of AI servers shipped, but this misses all sorts of stuff. It’s impossible to know, for example, whether new hardware is replacing less efficient rigs or is additional capacity. Cooling, a big variable, could be adding 50 per cent or more to the energy requirement. Latency might also matter, since we don’t know whether servers are being used for model building, request handling, or dork currency.

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