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> Adding nuclear is more expensive than wind/solar _right now_ Indeed, wind and solar can produce power very cheaply nowadays, which is awesome. We should defi
by jabl 8y ago
> Adding nuclear is more expensive than wind/solar _right now_
Indeed, wind and solar can produce power very cheaply nowadays, which is awesome. We should definitely build more of them. OTOH, due to their variable nature, their value to the grid reduces as their penetration increases, so it's a race of declining costs vs declining value due to increasing penetration.
Nuclear, being somewhat dispatchable, doesn't suffer from this.
Given the magnitude of the climate crisis, IMHO we should build about every low-carbon source we can, as fast as we can. Including wind, solar, and yes, nuclear.
> China is ramping up investments in renewables (including crucial grid strengthening measures) and hasn't approved a nuclear power station in two years (as of beginning of this year, I haven't heard if it has resumed building them now).
According to http://world-nuclear.org/information-library/country-profiles/countries-a-f/china-nuclear-power.aspx http://world-nuclear.org/information-library/country-profile... China has 20 nuclear plants under construction. AFAICT China is investing heavily in both renewables and nuclear.
- Certhas 8y agoAdditional investment in transmission lines and sector coupling is politically more viable and cheaper, and already that is stalled. So I'd rather push for that. (Plus we avoid a massive scale waste problem). Let existing ones run as long as possible, and if China or other countries want to go for the nuclear option, great! I'm simply objecting to the idea that that's the only/easiest/optimal option. The variability of renewables is of course a well studied problem [1] and exactly why, after a certain point, we need transmission capacity (or, more expensive, local storage). The variability averages out on large scales. [1] I posted this elsewhere already: https://arxiv.org/pdf/1801.05290.pdf https://arxiv.org/pdf/1801.05290.pdf