this post was submitted on 01 Feb 2024
182 points (90.3% liked)

News

23397 readers
3682 users here now

Welcome to the News community!

Rules:

1. Be civil


Attack the argument, not the person. No racism/sexism/bigotry. Good faith argumentation only. This includes accusing another user of being a bot or paid actor. Trolling is uncivil and is grounds for removal and/or a community ban. Do not respond to rule-breaking content; report it and move on.


2. All posts should contain a source (url) that is as reliable and unbiased as possible and must only contain one link.


Obvious right or left wing sources will be removed at the mods discretion. We have an actively updated blocklist, which you can see here: https://lemmy.world/post/2246130 if you feel like any website is missing, contact the mods. Supporting links can be added in comments or posted seperately but not to the post body.


3. No bots, spam or self-promotion.


Only approved bots, which follow the guidelines for bots set by the instance, are allowed.


4. Post titles should be the same as the article used as source.


Posts which titles don’t match the source won’t be removed, but the autoMod will notify you, and if your title misrepresents the original article, the post will be deleted. If the site changed their headline, the bot might still contact you, just ignore it, we won’t delete your post.


5. Only recent news is allowed.


Posts must be news from the most recent 30 days.


6. All posts must be news articles.


No opinion pieces, Listicles, editorials or celebrity gossip is allowed. All posts will be judged on a case-by-case basis.


7. No duplicate posts.


If a source you used was already posted by someone else, the autoMod will leave a message. Please remove your post if the autoMod is correct. If the post that matches your post is very old, we refer you to rule 5.


8. Misinformation is prohibited.


Misinformation / propaganda is strictly prohibited. Any comment or post containing or linking to misinformation will be removed. If you feel that your post has been removed in error, credible sources must be provided.


9. No link shorteners.


The auto mod will contact you if a link shortener is detected, please delete your post if they are right.


10. Don't copy entire article in your post body


For copyright reasons, you are not allowed to copy an entire article into your post body. This is an instance wide rule, that is strictly enforced in this community.

founded 1 year ago
MODERATORS
 

Off the Siberian coast, not far from Alaska, a Russian ship has been docked at port for four years. The Akademik Lomonosov, the world’s first floating nuclear power plant, sends energy to around 200,000 people on land using next-wave nuclear technology: small modular reactors.

This technology is also being used below sea level. Dozens of US submarines lurking in the depths of the world’s oceans are propelled by SMRs, as the compact reactors are known.

SMRs — which are smaller and less costly to build than traditional, large-scale reactors — are fast becoming the next great hope for a nuclear renaissance as the world scrambles to cut fossil fuels. And the US, Russia and China are battling for dominance to build and sell them.

you are viewing a single comment's thread
view the rest of the comments
[–] [email protected] 1 points 9 months ago (2 children)

this is true, but nuclear plants are slated to run for 30-50 years. France has been running their existing fleet to 50 years with maintenance extensions.

There was a recent plant vogtle, i believe, that was finished. Although if im not mistaken i think they just stopped midway through that one, it is up and running right now though last i checked, maybe not generating power yet but definitely running.

I'm guessing you're referring to the flammanvile reactor project in france? If so thats an EPR design, which are horrendously complicated, and the vast majority of the issues present in the construction are the inability to pour concrete correctly, and the inability to weld correctly. Which is something that happens after 30 years of not building any nuclear plants. We quite literally just have to build more if we want to be able to use it.

It's true that renewables are more competitive, but solar requires significant power storage figures, which can be problematic at best. Or require other production methods to take up the slack. Wind is quite good, but has the significant problem of waste. Turbine blades are a huge mess. That's mostly due to industry pressure to make it profitable, and the push for it to succeed, which nuclear hasn't seen. Nuclear just needs the same thing.

[–] [email protected] 3 points 9 months ago (1 children)

No matter which angle I approach the topic from, it always comes back to this:

"findings suggest that the cost per kilowatt (KW) for utility-scale solar is less than $1,000, while the comparable cost per KW for nuclear power is between $6,500 and $12,250. At present estimates, the Vogtle nuclear plant will cost about $10,300 per KW, near the top of Lazard’s range. This means nuclear power is nearly 10 times more expensive to build than utility-scale solar on a cost per KW basis."

https://www.energysage.com/about-clean-energy/nuclear-energy/solar-vs-nuclear/

I just don't see how this makes any economic sense. Sure, we could go all in on new nuclear and it would work fine but I don't want to pay for that, I want cheap renewable power.

Then there's this:

https://www.reuters.com/business/energy/high-river-temperatures-limit-french-nuclear-power-production-2023-07-12/

Building a plant with a lifecycle of 30-50 years seems like a bad idea when our world is getting more and more unpredictable. We've got climate change, we've got Putin fucking around with 6 reactors in Ukraine, earthquakes, tsunamis, human error, etc.

If a wind turbine catches fire, it's not that big of a deal.

[–] [email protected] 1 points 9 months ago (1 children)

shits expensive because those plants are older, more complicated, and riddled with constructions issues. Literally all we have to do is just build more of them, and it will go away.

Or if that doesnt satisfy you, a one time government subsidy for the building costs will drastically improve it. (most of the cost is upfront after all.)

[–] [email protected] 0 points 9 months ago (1 children)

I’ve shown the data, there’s no economic case. Not to be an ass but your post reads like nuclear fanfic rather than a persuasive argument for new nuclear.

[–] [email protected] 2 points 9 months ago

yes, i know, but it's more complicated than "just data" modern reactor designs are orders of magnitude simpler than previous designs, modern reactor issues are primarily construction related (a solvable issue) Nuclear is a particularly apt solution to the problem if done correctly.

Solar/wind IS cheaper, but solar and wind also have problems. Solar is more complicated at scale. You need to start balancing production/consumption on either side, neither of which are consistent. recycling and waste disposal is another big concern. Solar panels for instance consume tons of different rare earth metals, and materials that are hard to manufacture, dangerous for humans to work with, and complicated to get rid of. And add on top of that energy storage.

There isn't a "good" solution, merely a lot of different solutions, some more apt than others, sometimes it depends on the situation.

maybe i'm a little autistic about nuclear power, but you cannot deny it's potential application in the power production infrastructure. There is absolutely a case to be made there.

[–] [email protected] 2 points 9 months ago (1 children)

Vogtle 3 & 4 are AP1000s. Construction started in 2013 (preliminary work had started before this, but a design change halted it). Unit 3 was originally supposed to complete commissioning in 2017, but only happened last year. Unit 4 should be online this year. The initial $12B budget went to $14B at the start of construction, but will end up somewhere over $30B.

V.C . Summer in South Carolina has a similar project with two AP1000s. The initial budget was $9B, but the project was cancelled while under construction when projections put the total cost over $23B.

There have been 6 EPRs built, Flamanville-3, Olkiluoto-3, Taishan-1 & 2, and Hinkley Point C (2 units).
All of them are/were massively over budget and behind schedule.

Olkiluoto started construction in 2005, was supposed to complete commissioning in 2010, but only came online last year. Costs went from €3B to somewhere over €11B, the contract 'not-to-exceed' amount.

Flamanville started construction in 2007, was supposed to complete commissioning in 2012, but is projected to complete commissioning late this year. Costs went from €3.3B to somewhere over €20B.

Hinkley Point C is still under construction. It's difficult to put an actual start date because a pile of preliminary site prep work happened prior to real construction starting. Concrete was poured in 2016 though and it was supposed to be operational in 2023. They're now estimating 2028 at the earliest. Costs have gone from £16B to and estimated £35B.

Taishan 1 & 2 started construction in 2009/10 and went online in 2018/19, roughly 5 years late. Unit 1 had to be taken offline for a year due to faulty fuel bundles. Both units have had reliability issues. Costs ended up at the equivalent of $7.5B, almost double the original estimate.

[–] [email protected] 2 points 9 months ago

There have been 6 EPRs built, Flamanville-3, Olkiluoto-3, Taishan-1 & 2, and Hinkley Point C (2 units). All of them are/were massively over budget and behind schedule.

TBF the EPR is just a horrifically complex design. It's no wonder they all sucked.