Max we are looking at 1000 TWh, that's two days of global energy demand. Rule of thumb we need 300gm of sodium per kWh. That's 3 billion metric tons. Which is a

Max we are looking at 1000 TWh, that's two days of global energy demand. Rule of thumb we need 300gm of sodium per kWh. That's 3 billion metric tons. Which is a lot - but for the entire global energy demand it's peanuts