Interesting to see pumped hydro going ahead. It is very 'lossy' compared to battery banks. The rest of the stuff looks promising.
The 'smart' thing to do is to put the battery banks at the weakest part of the networks, or at the point where large wind/solar farms inject into it.
Makes sense to do this stuff in SA.
Base load as a phrase is going out of fashion with the spin doctors, as when you combine wind/solar with batteries, you get base load that is just as reactive as hydro. Network owners love it.
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