The giant Tesla battery at the wind farm in Australia seems to be doing a good job stabilizing the grid there.,(reply>), @đeri662 I guess it'll be whatever ends up being cheapest and most convenient, flow batteries, thermal storage, hydrogen...,(reply>), @zapfanzapfan I think redox batteries (used mainly in Asia) are better for long-term energy storage than Li-ion.,(reply>), @đeri662 Yes, it'll be a while before Tesla builds a battery that can compete with a hydroelectric dam.,(reply>), It's great for short-term response (especially for low inertia grids) but it's not ideal for long-term energy storage.