What is the 247 TWh number referring too? Germany uses a little over 500 TWh of ... | Hacker News

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		opo 48 days ago \| parent \| context \| favorite \| on: EU court rules nuclear energy is clean energy What is the 247 TWh number referring too? Germany uses a little over 500 TWh of electricity per year. Germany has a little more than 20 GWh of grid storage.

pfdietz 47 days ago [–]

It's referring to the possible storage capacity, probably the potential to store hydrogen in underground solution mined salt caverns.

I've heard much higher figures, in the PWh for Europe as a whole.

Storage of energy as heat at 600 C has much larger potential storage capacity; see standardthermal.com

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