Quote Originally Posted by Aimless View Post
For sure. I have high hopes for gravity-based storage like Energy Vault's solution, but would also like to see more countries explore seasonal thermal energy storage: https://en.wikipedia.org/wiki/Season...energy_storage
I'd say that some kind of Redox Flow battery is likely more scalable. There are research batteries which use lignin as a basis and some projections arrive at a cost of a mere 3 ct/kWh.