As I wrote recently here in Power Engineer Magazine . . .

"A breakthrough in multi-megawatt class energy storage is at least a possibility in the next 10 years. At the moment, only a few megawatts can be stored using various energy storage technologies, and at great cost. Wind power would make a huge contribution if perhaps 1000MW could be stored overnight (when it is almost worthless) and sold back into the spot market during the day – when prices are at their highest."

So I was very taken to learn of