This is (a) incredibly impressive to achieve and (b) definitely the point at which the battery infrastructure needs to catch up in order to reduce the risk of such incidents.
This non-existent technology will surely catch up very soon, I wonder what takes them so long.
The only battery available at this scale is hydro and it doesn't do very well in Spain because of droughts.
This is (a) incredibly impressive to achieve and (b) definitely the point at which the battery infrastructure needs to catch up in order to reduce the risk of such incidents.