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Switzerland dug a hole the size of two soccer fields to install the world’s most powerful underground battery, able to output 1.2 GW within milliseconds. (www.ecoticias.com)
submitted 4 months ago* (last edited 4 months ago) by to c/technology@lemmy.world
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[–] 7 points 4 months ago (3 children)

Not quite - only the biggest hydro stations can generate a gigawatt or more, and their startup time is like 10 minutes.

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  • [–] 3 points 4 months ago (2 children)

    This project is only 500 MW here

    https://www.pv-magazine.de/2024/09/20/flexbase-plant-500-megawatt-redox-flow-speicher-in-der-schweiz/

    And other places say 800 MW

    Both of which are comparable to large hydro.

    Modern pumped hydro has a ramp up in the 10s of seconds range.

    Anyway. Same ballpark in terms of power.

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