this post was submitted on 03 Jun 2026
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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 19 hours ago* (last edited 19 hours ago) by Gsus4@mander.xyz to c/technology@lemmy.world
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[–] squaresinger@lemmy.world 2 points 4 hours ago

1.2GWh within milliseconds would be exploding.

Read the headline again, it only talks about GW not GWh. That means it can output 1.2GWh per hour, but it can ramp up to 1.2GW within milliseconds. And it likely can only keep that output for a very short time, which is exactly what you need to balance the fluctuations of renewable energy production.