$500bn to produce close to 100% of electricity from renewables within 25 years.
How do you do that when Snowy II will eat out $15 B and it does not generate 1 watt of power? It's a sink.
Forget the round trip efficiency often quoted, those high percentages are with near vertical tunnels. Snowy II tunnels are 27%
$500bn to produce close to 100% of electricity from renewables...
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