this post was submitted on 01 Aug 2023
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Ah sorry, my mistake. I messed up there.
The battery in SA is really just for grid stabilisation, not long term storage. Batteries are not really a good soln for longer duration storage. You need surprisingly little storage though when they've modelled fully renewable grids which is why the projected costs aren't stupidly expensive.
That's interesting, I'm an EE but in industry atm. I'd like to look into that whole scenario one day and see how much storage we'd need to go fully renewable.