Source - The colors of the grids represent CO2 emissions
The title is a reference to the 2021 Texas power crisis
this post was submitted on 19 Jul 2024
392 points (95.0% liked)
memes
10388 readers
1999 users here now
Community rules
1. Be civil
No trolling, bigotry or other insulting / annoying behaviour
2. No politics
This is non-politics community. For political memes please go to !politicalmemes@lemmy.world
3. No recent reposts
Check for reposts when posting a meme, you can only repost after 1 month
4. No bots
No bots without the express approval of the mods or the admins
5. No Spam/Ads
No advertisements or spam. This is an instance rule and the only way to live.
Sister communities
- !tenforward@lemmy.world : Star Trek memes, chat and shitposts
- !lemmyshitpost@lemmy.world : Lemmy Shitposts, anything and everything goes.
- !linuxmemes@lemmy.world : Linux themed memes
- !comicstrips@lemmy.world : for those who love comic stories.
founded 1 year ago
MODERATORS
you are viewing a single comment's thread
view the rest of the comments
view the rest of the comments
https://www.researchgate.net/figure/Carbon-footprints-of-various-energy-sources-based-on-32-for-all-energy-sources-other_fig1_308114828
https://ourworldindata.org/land-use-per-energy-source
When accounting for construction, lifetime production, decommission and disposal per mwh produced for all energy sources, nuclear still takes the lead. And it further pulls ahead when you compared land useage per mwh produced per square meter. The only place where Nuclear doesn't have a cutting edge advantage is cost per kwh, and frankly if you're putting profits over sustainability then welcome to being part of the problem that lead to us burning coal cause it was cheap.
The best possible solution for a sustainable future is baseline nuclear power to cover average usage of loads, rooftop solar on existing buildings to make use of surface area not otherwise being used for something useful, and wind turbines added to areas where wind production is viable without displacing other production needs, such as adding it to agriculture fields or low impact areas. This ideal circumstance would also have people abandoning low density housing (specifically suburban single family homes) to move to more high density housing (apartments or multiplex homes that host multiple families) to allow additional land to be set aside for ecological restoration to better balance and preserve what climate we still have and enhance carbon capture. This is obviously a goldilocks solution that will never happen because humans will be humans, but that doesn't mean we shouldn't be encouraging it and taking steps to emulate it as realistically as possible.
This is incredibly naive. We have a limited amount of money for the energy transition (because otherwise the problem would already be solved), and the more efficiently you spend that money, the faster we stop pumping greenhouse gases into the air.
Nuclear is by far the most expensive form of energy. If it takes you 30 years instead of 10 to replace all other forms of energy production, you haven't won anything.
If Nuclear was 50%-100% more expensive you might have a point.
But it's not. It's barely more than 10-20% on the most pessimistic charts over lifetime. Civilization can afford nuclear and can't afford to ignore it. And Nuclear price tag only goes down as it benefits from economy of scale, the only thing really hindering it. It doesn't take 30 years to build a reactor, it takes 5-10 depending on bureaucracy people using protest or legal measure to delay it. The time it takes to build a 1,000mW reactor is roughly the same amount of time it's going to build 1,000mW of Wind or Solar production anyways. So to get back to the point: What exactly is yours?
Nuclear is literally 3-4 times as expensive: https://en.wikipedia.org/wiki/Levelized_cost_of_electricity
The levelized cost of electricity is exactly the metric you were talking about, over the whole lifetime of the power plant. Nuclear costs are also increasing, not decreasing as you claimed. Building reactors also takes way longer - you can deploy solar and wind in a couple of months to years, whereas all existing nuclear reactors took at least 10-20 years to build. While you're continuously building up renewable capacity , it already starts producing energy, whereas a nuclear reactor will only start producing once it's fully built, meaning that it simply doesn't help us reduce carbon emissions until then, whereas renewables can. How can you be so wrong on a topic you talk so confidently about?
The propaganda of the nuclear industry is truly incredible.
IEA refutes the LCOE figures and gives significantly lower values. And many other experts in the field criticize LCOE as being overly simplistic in ignoring several factors, such as disregarding inflation entirely (over 80% of a NPP's LCOE), giving hilariously optimistic lifespans for renewables (30+ year turbines and solar, most are lucky to still produce power after 20 without serious upkeep) and assuming 100% load conditions throughout the year, something only Nuclear and potentially hydro can hope to achieve, every other form of energy generation having significantly less and more variable output. When you actually account for these factors, lifetime nuclear cost is not 3-4 times greater, especially when you factor in construction and decomission and disposal pricing that always gets packed in with nuclear but somehow never even considered for other types.
As for 30 year construction time? Cite your source, because the global median is 7.5 years. 5.5 years if you remove outliers such Watts Bar which was literally halted for almost a decade due to other difficulties. Most reactors are finished quicker than this. Japan meanwhile is going from breaking ground to connecting to the grid in just about 4 years. It takes a couples months to put up a turbine, but how long do you think it takes to put up 300 turbines? I live in area surrounded by wind turbines, and I'll tell you they aren't putting up 300 in under a year. The park I leave near has slightly over 200 and that took over 10 years to complete despite constant construction crews working to erect them.
https://www.statista.com/statistics/712841/median-construction-time-for-reactors-since-1981/
https://radiyozh.substack.com/p/how-long-does-it-take-to-build-a-nuclear-reactor-c2a0c6b29116
https://i.imgur.com/KvnkXe6.jpeg
It's the anti nuclear thats astounding, the figures you're presenting are a best misleading when sourced to outright fabrications and lies.
Why don't you share your sources for 10-20% increased costs then? Let me see what you're working with.
I didn't claim 30 years of construction time, what are you talking about? You'll also surely know that you can't just randomly start building a nuclear reactor anywhere - there's a lot of steps beforehand you have to take care of (if you don't want to damage the local ecosystem). These steps take way longer for nuclear than for renewables, pushing your 7.5 years to double or even more. This, in combination with the increased cost as well as the long time until power production starts, makes it a non-starter to solve the climate crisis.
I can see how you might think that when you're inventing things I've said.
https://lemmy.world/comment/11278397 you can't even keep your story straight in the same comment chain.
Can you... can you literally not read? That comment doesn't say anything about nuclear reactors taking 30 years to build. Or do you think a single nuclear reactor is enough to replace all fossil fuels? I wasn't talking about a single nuclear reactor in that comment.
I don't know how to better explain it to you. Re-read the comment a couple of times, maybe you'll notice?
they absolutely should be decreasing, the problem is that gen 4 plants don't exist yet, if they did it would be substantially lower.
Also this isn't propaganda, you're pulling this out of your ass, the nuclear industry is fucking DEAD homie.
Well, if reality disagrees with you, it's usually not reality that's wrong. You can say that prices should have been decreasing, but I can show you that prices did not decrease, they increased, whereas prices for renewables have been decreasing.
Also, nuclear energy is the dream of the current fossil fuel industry - it's centralized (no individuals can produce their own energy), it's heavily subsidized (otherwise it would be way too expensive), and negative effects are socialized (cleanup is oftentimes not fully covered by the operator, and they also won't be held accountable in the case of accidents). They are terrified of renewables, as they'd lose control and gain more competition.
and housing prices are fucking insane, it doesnt mean that building houses is expensive.
Prices should have been decreasing, like they should have been with housing. But due to a lack of funding and manufacturing, modern nuclear power plants have very little R&D investment, and the entire labor pool surrounding nuclear plant fabrication doesn't really exist anymore.
The primary reason for the prices of renewables falling is more than likely china and chinese subsidies gunning for a market dominance, followed by technological advancement, Unfortunately these advances don't solve the problem of solar panels needing silicon, and batteries being expensive, and wind turbines being a maintenance nightmare, as well as a disposal nightmare (most wind turbine blades are made out of fiber glass, good luck have fun)
It's not the dream of the fossil fuel industry, if it were, it would be a successful technology that was actively in use, because the only thing fossil fuel companies care about is making money. Why do you think they wouldn't do nuclear if it was feasible? The answer is that it isn't in comparison to fossil fuels like oil and coal. And that's it.
Yes the grid is centralized. What next, going to the grocery store is centralized? Wait until you figure out what walmart did.
Exactly. This means that pumping money into this sector is ineffective if the goal is to combat climate change - the optimal build times will most likely not be met for any of the initial reactors that could be built, which pushes the first day of power generation back further and further. Renewables start to give some power immediately while you're building up more and more capacities.
Given the technological advancements and the current prices, it's a good idea to start investing massively. If this should affect pricing negatively instead of positively (it was the latter before), investments could ensure local production. Every country will want access to silicon anyway for chip production, so this is not a new problem, just a difference of scale.
The price of batteries keeps falling and falling. Recently, the price of renewables + grid-scale storage has fallen below the equivalent price of nuclear energy. Given the current pricing trends, investing in nuclear means hoping that the trend reverses. With renewables and grid-scale storage, you're simply betting on the same trends of the last decade continuing.
Just like with nuclear energy, these are problems of investments and scale. Because of the supply of used turbine blades increasing, there has been a lot of development and investment into recycling them, and the situation has already improved a lot. You're, again, hoping that the same will happen for nuclear energy on a short-enough timescale.
And that somehow means it should stay centralized? A decentralized grid has a bunch of advantages: lower costs for the individual participants, higher resilience during catastrophes, lower impact of maintenance/disruptions/attacks, and a much shorter time to first production.
i mean sure, but the more we do this, the less and less options we have in the event that idk, china stops fucking selling solar panel pre reqs and we get put 10 years behind automatically. Or the event that cobalt turns out to the new fucking asbestos or something. And it starts killing people on the regular. Though unlikely.
We simply cannot be reliant, on two forms of power generation. We need to invest in nuclear as well, it will take a while, however there are still current gen 3 and gen 2 (though outdated and old designs now) that you could be building and manufacturing. Nuclear energy is a very reliable, though not immediately accessible source of power, it's value should not be understated, you build a nuclear plant and you get 30-50 years of continual power production at a capacity factor of greater than 80% most of the time. Compared to solar having probably 30% (actually supported by the math too btw) capacity factor including optimal power consumption and storage it won't change much.
by the way, the rhetoric and arguments you're using for solar and wind right now are the same that were being used for nuclear power prior to chernobyl, fukushima, and TMI, all of which, except for chernobyl were relatively mild accidents. TMI didn't even have any reported radiation leakage, as it was all contained within the PCV, which did it's job. (though every single one of these should've been prevented to begin with)
i don't disagree, i think it's promising, but i think we're shooting ourselves in the foot here by not also dedicated focus to nuclear power, which is objectively a really good match for renewables, it takes significant load off of something like solar storage, while providing significant peak production during the midday, thanks to solar.
to be accurate, it's fallen below the cost of literally all power production methods entirely, i believe. We're still at a technological wall in terms of effective battery technology, we're hopeful for a breakthrough, but we have no guarantees other than, science always seems to move forward. The practicality in cheaper more commodity based battery technologies, is... Minor at best. The only practical source we have currently is those using heavy metals. We simply need more time.
and investing in solely renewables means you hope that nothing bad ever happens to the renewables market, surely nothing bad has ever happened in similar market segments prior to now? The economy and market was doing incredibly well up until 2008, until it all imploded.
This is a rather naive conceptualization of the market forces at play here. Nuclear energy situates itself into a different market segment, it serves a different purpose. Theoretically there is nothing stopping you from building tons of renewables, and then using it to subsidize nuclear energy, for example. That would be an incredibly valuable investment of that time and money.
yeah, i think there is plenty of time, we just have to conscious about what we're doing and not do goofy shit like, burn shit tons of coal in the mean time. We're quite literally already fucked, we have two options. One is to speedrun as fast as possible out of it, which is likely going to end disastrously (global energy market collapse, for example) or we can take a brisk but metered pace, hoping that it will simply, be good enough, and bet on the reliability of that out pacing the speedrun alternative.
Even russia is investing lots of R&D into nuclear power, in fact they're the leading developer with china following shortly behind. Both of them see it fit to invest money into those fields. Why should we not do the same?
it has advantages and disadvantages, it would be nice to have a fully decentralized grid, but this is going to increase the cost of housing, and maintenance drastically. Putting lots of people out of home ownership if they weren't already. Plus it also puts the centralized energy grid itself out of the market, which is the primary R&D driver for the field, presumably it would still exist otherwise, but there's no guarantee there. Markets are a cruel beast. It could also significantly hamper the pace at which we go renewable as well. Since now instead of hiring and training contractors at company scale, you're dealing with it across the country, across multiple different types of contractors, who operate under different principles, maintenance is vastly more problematic.
If you want to put solar and storage on your own property, you can. If you want to tie into the grid, you also can. There is nothing stopping you from doing either one of those. Hell if you want to go live in the middle of nowhere and build your own microgrid, again, there is nothing stopping you.