To decompose this story into its parts, (i) we have built a new wind farm, (ii) we have built a power storage system (i.e. a large rechargeable battery) to solve the problem of load balancing from our wind farm, and (iii) the power storage system also, by complete coincidence, uses wind power.
In the era of renewable generation where output is at the mercy of the elements, pumped storage is obviously the future. It's nothing new - I remember as a small kid being taken to see the pumped-storage hydro at Ffestiniog (we were really there to go on the steam trains, of course). But pumped-storage wind power is a new one on me. I hope they make it a tourist attraction where you can sit in an adjoining room and lick the salty walls and watch through thick glass as they open the barriers and see the turbines starting up. But I expect there are all sorts of sound engineering reasons why you can't do that.
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In the era of renewable generation where output is at the mercy of the elements, pumped storage is obviously the future. It's nothing new - I remember as a small kid being taken to see the pumped-storage hydro at Ffestiniog (we were really there to go on the steam trains, of course). But pumped-storage wind power is a new one on me. I hope they make it a tourist attraction where you can sit in an adjoining room and lick the salty walls and watch through thick glass as they open the barriers and see the turbines starting up. But I expect there are all sorts of sound engineering reasons why you can't do that.