Amazon strategised about keeping the public in the dark over the true extent of its datacentres’ water use, a leaked internal document reveals.

The biggest owner of datacentres in the world, Amazon dwarfs competitors Microsoft and Google and is planning a huge increase in capacity as part of a push into artificial intelligence. The Seattle firm operates hundreds of active facilities, with many more in development despite concerns over how much water is being used to cool their vast arrays of circuitry.

Amazon as a whole consumed 105bn gallons of water in total in 2021, as much as 958,000 US households, which would make for a city bigger than San Francisco, according to the memo.

Asked about the leaked document, Amazon spokesperson Margaret Callahan described it as “obsolete” and said it “completely misrepresents Amazon’s current water usage strategy”.

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[–] 45 points 1 year ago

"Our current strategy is to use quadruple that amount every month".

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  • [–] 36 points 1 year ago (2 children)

    Assuming it's open loop, and somehow all the water is vented as steam.

    I would like to see a much more water efficient cooling system. I assume they're doing it this way because it's the cheapest.

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  • [–] 32 points 1 year ago

    I assume they’re doing it this way because it’s the cheapest.

    Correct. This is also why many datacenters are being built in drier climates like eastern Oregon or Arizona- the very dry summers make for very easy evaporative cooling that can keep the cooling loops at below ambient temperature for close to free.

    They could use closed loop radiators, but that requires a ton more space and surface area for less efficient cooling, or heat pumps, which will probably increase their energy usage by 30%+.

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  • [–] 15 points 1 year ago

    "Oh wow, our research shows our business model destroys the planet, better keep that a secret!" is the sort of exemplary moral reasoning I normally only expect from petroleum companies

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  • [–] 13 points 1 year ago

    Amazon spokesperson Margaret Callahan described it as “obsolete” and said it “completely misrepresents Amazon’s current water usage strategy”.

    Interesting that they don't say in which direction it misrepresents (is it saying it is too high or too low). Maybe they are hoping the reader will infer from what they are saying that they're using less now, without them having to say that.

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  • [–] 18 points 1 year ago (1 child)

    The memo is about whether to release figures about secondary water usage, ie, what water is being used in the generation of electricity for their data centers. A process that I expect isn't even really under their control in most cases, electricity is bought from the grid. The memo is from 2022, before ChatGPT was even released to the public, so the second paragraph about how Amazon is planning to increase its AI capacity is completely unrelated to this.

    Dislike Amazon if you wish, but let's not misrepresent the news in the process. There are enough real reasons to dislike them without doing that.

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  • secondary water usage, ie, what water is being used in the generation of electricity for their data centers. A process that I expect isn't even really under their control in most cases, electricity is bought from the grid.

    Good things large companies aren't looking into their own power generation.

    Oh wait...

    Also, the government is corrupt and companies have an outsized influence on where power plants appear and how much they generate. Even in a less corrupt system industry would have a large impact.

    And even if you were 100% correct, that water use still matters in how it affects the environment and available water supply. All water use is part of the calculation of whether or not lakes dry up and communities are destroyed.

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  • [–] 7 points 1 year ago

    Where there is a leak, water consumption is enormous.

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  • [–] 3 points 1 year ago (3 children)

    Where does the water go after it's used to cool the datacentre?

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  • [–] 3 points 1 year ago

    Yeah. But how much bigger than San Francisco?

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  • 6 comments in c/technology@beehaw.org view that post
    [–] 9 points 1 year ago

    In the memo, ahead of the campaign’s launch, executives grappled with whether to include public disclosures about “secondary” use – water used in generating the electricity to power its datacentres.

    They warned that full transparency was “a one-way door” and advised keeping AWS’s projections confidential, even as they feared that their advice could invite accusations of a cover-up. “Amazon hides its water consumption” was one negative headline the authors anticipated.

    Callaghan said efficiency savings have already been achieved and pointed out that other companies also don’t count secondary water use.

    Scientists balked at the selective disclosure and the choice not to include secondary use of water in the total.

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  • [–] 12 points 1 year ago

    They also purchase and build through a third party to further obscure who is actually building the datacenter. Fuckin snakes.

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  • [–] 3 points 1 year ago

    Love the pun.

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  • [–] 3 points 1 year ago

    "Plantations" has nothing but positive connotations.

    Amazon "slavery in everything but name"™

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  • [–] 1 point 1 year ago (1 child)

    Not surprised but still disappointing... You'd think a company that size would be more open about something as important as water use. Transparency shouldn't be optional...in an ideal world

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