Batteries (lithium particularly) are not storage devices. They're grid stabilising devices. They are simply not able to store meaningful quantities of energy at

Batteries (lithium particularly) are not storage devices. They're grid stabilising devices. They are simply not able to store meaningful quantities of energy at an affordable price. In our city, we are installing a battery that can power 160k homes for 2h, at the cost of AU$200m. That's just not "storage", it's designed to flatten out peaks and troughs in supply.