I see that you missed the point about selling on chemical production after local tankage is full. A full battery is just full. A full tank can be shipped out an

I see that you missed the point about selling on chemical production after local tankage is full. A full battery is just full. A full tank can be shipped out and an empty dropped in. Tankage is much cheaper than batteries. Electrolysers will be idle only when you are drawing down from tanks.