Many of those delays are political rather than technical.
On top of that, imagine if instead of deriding, denigrating and spreading FUD about nuclear energy for the past 20-30 years we would instead invest in it and improve it.
> the "black swan" disaster,
Literally yesterday there was a black swan for renewables in Germany. They shut down the last reactors and... https://twitter.com/energybants/status/1647799729734971396
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Germany's 66.5 GW of installed wind is only producing as much as the 3 reactors that turned off last night used to produce.
400% expansion of wind would only provide half present need
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But of course no renewables proponent will ever mention this as a black swan event. Because "sometime 40 years from now, maybe, we will have overbuilt all the renewables and energy storage we need"