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Comment by throwaway4good

3 months ago

So it is autocratic nuclear vs democratic nuclear now? Perhaps we could instead work together to tackle climate change and seek common prosperity ...

TBF, Nuclear is the most efficient and "cheap" way to lower greenhouse emissions and tackle climate change. It is nice to see China go this way, hopefully they will lower their dependency on carbon and fossil fuel sources for energy generation.

If only the rest of the world would also adopt this mentality; Germany went the other way, rejecting nuclear and they are now dependant on carbon for their energy...

  • I don’t know what you mean by efficient and “cheap” but even China’s lower costs for nuclear construction vastly exceed the cost of wind and PV solar that China is building. They built more renewable power generation capability in just part of 2023, even adjusted for capacity factor, then all 26 reactors they had under construction. All that remains is storage, and China is also massively dropping the prices on battery grid storage.

  • I would contend the coal lobby successfully killed terrestrial fission power. It would have been a good replacement in the 60s and 70s when solar was still underdeveloped but now solar has worked out enough kinks that it's intrinsic advantages (larger exposed construction surface allows for better parallelization, less significant failure modes allows for weaker regulatory environment, less significant scaling advantages allows for easier "right sizing" of installations, and others) are going to be hard to surmount.

    • No, solar still hasn't figured out how to replace the power demands of the grid. It can only supply daytime power (if that) and makes the grid more unstable requiring fossil fuel peaker plants to supply gaps in production. Grid batteries are still insanely expensive and remain production capacity limited, not to mention all sorts of other problems that will come up installing that much battery capacity. Solar is only cheaper than Nuclear when you ignore the battery requirements to make it a more fair comparison of ability - when you include battery requirements, solar is more expensive by a fair amount which is ridiculous when you consider that Nuclear has gotten more expensive since the 1960s which doesn't happen to technologies unless you stop producing (which we did).

  • > Nuclear is the most efficient and "cheap" way to lower greenhouse emissions

    This is false. New nuclear is much more expensive than renewables in most cases. It's possible there are places in the world where renewables are particularly expensive and new nuclear could approach being competitive now, but even that will not last as renewables continue down their inexorable experience curves -- experience curves that nuclear has failed to exhibit.

    • This comment is being grayed but is it wrong? I want to believe that nuclear is just a miracle solution, but my impression was likewise that it is now even more expensive than solar/wind, at least in the Western world

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  • > Germany went the other way, rejecting nuclear and they are now dependant on carbon for their energy...

    As you can see the data does not support this claim of yours. https://ourworldindata.org/grapher/energy-consumption-by-sou...

    • Total power consumption went down due to industry moving out of the country due to increasing electricity cost due the country exiting nuclear power. It's depressing.

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    • So the link shows in 2001 nuclear generated 482.92 TWh; in 2022 wind plus solar generated 485.12 TWh. Granted coal was down in that time but gas was pretty much flat (except for 2022 when there were extenuating circumstances).

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  • Oh, come on. Nuclear can't help us because it is too slow to be built out and too expensive today while all renewables technologies are cheaper and on a continued downward price trajectory.

    New Nuclear won't matter. Keeping existing running is a no brainer.

  • > Germany went the other way, rejecting nuclear and they are now dependant on carbon for their energy...

    This bullshit narrative needs to die. Germany is less dependent on fossil fuels than it has ever been before, and weathered the withdrawal from Russian sources without any serious problems.

    (And here's where you move the goalposts to "it could be even less less dependent!!")