this post was submitted on 16 Aug 2026
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[–] Sniatch@feddit.org -3 points 2 hours ago

Too bad this also slows down their renewable energy projects, which would make it cheaper. But Nuclear Reactors + renewables is a bad combination. Nuclear Reactors can't be adjusted to renewable energy, because you can't just shut them down when the renewables producing lots of cheap energy. Nuclear Plants always have to keep running, which is also expensive.

[–] Miaou@jlai.lu 6 points 21 hours ago (3 children)

Lots of people shilling for Big Oil in this comment section

[–] marius@feddit.org 1 points 2 hours ago

Yeah, everyone support your local mom and pops nuclear power plant. Best if they run on 100% home grown uranium

[–] betanumerus@lemmy.ca 1 points 3 hours ago

You just have to expect it. I wear bug spray.

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[–] gandalf_der_13te@feddit.org 8 points 23 hours ago* (last edited 23 hours ago)

yeah and until recently they imported all their uranium from states like niger which is why it took till 2023 for niger to kick out the last french troops from its country.

which is interesting because solar became the cheapest form of electricity in 2020 and france let go of niger shortly after that.


How dependent is France on Niger's uranium?

The military coup in Niger has raised concerns about uranium mining in the country by the French group Orano, and the consequences for France's energy independence.

[–] Twongo@lemmy.ml 51 points 1 day ago (6 children)

not this again...

sure nuclear WAS fine, french power plants are getting old, can't handle oncoming increasing heatwaves and regularly have major accidents. source (german)

in the age of wind and solar and cheap batteries it is not necessary and much cheaper to build renewables.

also: french nuclear energy is only cheap because it gets heavily subsidized. a kwh of renewables is about 7ct, a kwh of nuclear is in reality about 49ct

[–] Waryle@jlai.lu 2 points 3 hours ago* (last edited 3 hours ago)

french power plants are getting old

Most of them still have 30+ years of life in them

can't handle oncoming increasing heatwaves

Not this again... French nuclear plants has not being stopped because they can't handle heatwaves, that's plain bullshit, but because of ecological precaution, which on top of that, seems to be useless

and regularly have major accidents

Also plain bullshit

source(german)

That explains a lot of you take your sources from anti-nuclear organizations

in the age of wind and solar and cheap batteries it is not necessary and much cheaper to build renewables.

It's not the age of wind and solar. We're still in the age of coal (35% of electricity) and gas (22,5%). If we talk about energy at whole, it's even worse : 30% is petrol, coal 26% and gas 23%. If you think that solar and wind will stay cheap when everybody will compete for the large amounts of metal and other sources needed to build them, and when we will run out of petrol to mine and produce them all, you're lying to yourself. Nuclear in comparison require very little resource to build and to operate them.

And that's without taking into account a basic fact: we don't have enough room to build enough STEPs and we don't have enough resources to build enough batteries to run entire countries on solar and wind. Looking at costs in 2026 is just meaningless when we're actually talking about science fiction.

also: french nuclear energy is only cheap because it gets heavily subsidized. a kwh of renewables is about 7ct, a kwh of nuclear is in reality about 49ct

Another bullshit: EDF has been making billions of benefits out of nuclear every year for decades (except in 2022). They even made 10+ billions of euros of net benefits the last 3 years.

And EDF is subsidizing France, not the contrary: the State forced EDF to take a huge part of the cost of the Bouclier Tarifaire, and EDF paid billions of euros of dividends to the State as well

[–] odioLemmy@lemmy.world 14 points 1 day ago (1 children)

Don't forget they have been basically stealing the required Uranium from African Sahel countries like Niger for decades.

[–] AnUnusualRelic@lemmy.world 11 points 1 day ago

Kazakhstan: 30%
Niger: 25%
Canada: 20%
Australia: 15%
Russia: 10%

[–] SpaceCowboy@lemmy.ca 4 points 1 day ago (1 children)

And France is blocking importing solar energy from Spain. Also France has to do some shenanigans in Africa to secure their uranium supply.

Sure nuclear is far better than fossil fuels in terms of global warming, but it has similar geopolitical problems to the oil industry. It makes sense to go to solar and wind, but there's a nuclear industry that's doing the same kinds of things the oil industry does to block it.

[–] prole@lemmy.blahaj.zone 6 points 1 day ago (3 children)

Is this the anti-nuclear talking point now?

After decades of, "we cannot do it," it's now, "we should have done it before, it's not a good idea anymore"

Fuck right off

[–] Imke@feddit.org 14 points 1 day ago* (last edited 1 day ago) (10 children)

Why do you think the people who said that "we cant do it" are the same people who now say "now its too late"? The pro and contra points to nuclear energy are pretty obvious. Also obvoius is, that these pros and cons are predestinated for disagreement. Also its obvious that opinions can change, in the one hand people maybe start priorize low carbon enegry production, in the other hand rivers for cooling are drying, a few accidents happened, and the price for nuclear energy is now pretty high while the price for renewables and batteries is dropping. We had a lot of change in circumstances in the last years and decades to discuss so saying "fuck off" is pretty pathetic in this case if you ask me

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[–] RamRabbit@lemmy.world 2 points 1 day ago

What is extra frustrating is I have been hearing "we should have done it before, it’s not a good idea anymore” for literal decades now.

Best time to build is 10 years ago. Second best time is today.

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[–] iturnedintoanewt@lemmy.world 15 points 1 day ago (1 children)

You mean the same nuclear power plants they need to shut down every other week because the river water they use as cooling intake is too warm to actually cool them down? They're pretty useless nowadays.

[–] overstep8556@jlai.lu 10 points 22 hours ago

You should read what you link, it's the opposite. They are actually paused to not heat the river up.

[–] Melusine@tarte.nuage-libre.fr 9 points 1 day ago (1 children)

To people talking about subsides, that was always the point, to have energy production as a public service. I would structuraly never trust a private company with nuclear (actually I feel like trusting any one no matter the sector is risky)

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[–] Ozymandias1688@feddit.org 24 points 1 day ago (2 children)

Which unfortunately now shuts down because the reactors cannot cope with the heatwaves. Turns out that no river = no cooling = no energy production.

[–] Womble@piefed.world 16 points 1 day ago (7 children)

image

Turns out, even when you have to throttle them down slightly due to drought, having a large amount of available nuclear power, like France and Sweden do, means you emit an awful lot less carbon.

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[–] encelado748@feddit.org 15 points 1 day ago (2 children)

False,

Reactor production is throttled down to preserve the river environment, not because they cannot cool themselves. Only 18% reduction on the worst event.

Dismissing the biggest low carbon energy producer because 1970 engineers did not account for the unknown temperature extremes 20 years after the predicted lifespan of the reactor is silly.

[–] BastingChemina@slrpnk.net 2 points 21 hours ago

Some reactors can even cool down the river ! This is the case for the Civeau reactor for example, the water released is cooler than the water pump from the river.

[–] benjirenji@slrpnk.net 12 points 1 day ago (1 children)

Unknown temperature extremes? We knew about climate change for much longer. And France's nuclear reactors have an average age of less than 40 years.

[–] encelado748@feddit.org 4 points 1 day ago

Yes, unknown. You do not care about when the reactor went online, but when the reactor design was finalized. This happened with CP0 design in 1970, 4 years before the messmer plan.

We knew about climate change in 1970, but we lacked reliable models and computational power to create good predictions at that time. Climate change was an hot scientific debate, not an applied principle in civil engineering design.

The only reactor not part of the messmer plan (1974) that was throttled down is the Chooz B on the Meuse river. In this case it is more of a political issue: under 1998 treaty between Belgium and France, the plant must curtail power if the river flow drop. Not as safety measure, but to preserve downstream flow to Belgium. This was not taken into account in the reactor design. The operation of the plant was restricted retroactively. The Chooz B plant uses evaporative towers to minimize heat discharge.

[–] call_me_xale@lemmy.zip 36 points 1 day ago (3 children)

The best time to build a nuclear power plant is fifty years ago.

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[–] MonkderVierte@lemmy.zip 10 points 1 day ago

* Sustained through government subsidies to create/maintain their nukes and submarines.

[–] UnfortunateShort@lemmy.world 4 points 1 day ago

...That they have to shut down all the time because of droughts. And they basically need to rebuild half of it, because the maintenance cost is so high, it is constantly pushed into the future.

Few emissions? Yeah. Good? Nope.

[–] technocrit@lemmy.dbzer0.com 3 points 1 day ago (7 children)

lowest-carbon

Ok, now do nuclear waste.

[–] AceOnTrack@lemmy.blahaj.zone 3 points 14 hours ago* (last edited 14 hours ago)

The entirety of France's nuclear waste since the first plant was put online fits in one Olympic swimming pool. That's 50 years worth of nuclear energy production.

We can handle it.

[–] phoenixz@lemmy.ca 8 points 1 day ago (1 children)

Relatively tiny amounts that can be stored safely

Its still better than the output of coal which ironically enough output more radioactivity than nuclear powerplants

[–] zaphod@sopuli.xyz 4 points 1 day ago

If only there were an option without the carbon and without the uranium.

[–] wholookshere@lemmy.blahaj.zone 3 points 1 day ago (1 children)

Canada developed reactors to run on waste fuel from other reactors.

CANDU 9 IIRC

[–] gandalf_der_13te@feddit.org 2 points 23 hours ago (2 children)

CANDU 9

very interesting. for those who want to know how it works:

Most commercial reactor designs use normal water as the moderator. Water absorbs some of the neutrons, enough that it is not possible to keep the reaction going in natural uranium. CANDU replaces this "light" water with heavy water. Heavy water's extra neutron decreases its ability to absorb excess neutrons, resulting in a better neutron economy. This allows CANDU to run on unenriched natural uranium, or uranium mixed with a wide variety of other materials such as plutonium and thorium. This was a major goal of the CANDU design; by operating on natural uranium the cost of enrichment is removed. This also presents an advantage in nuclear proliferation terms, as there is no need for enrichment facilities, which might also be used for weapons.

From Wikipedia. So the key is to improve the neutron economy sothat there's more neutrons available; then, these extra neutrons can go on to split extra material, which is thereby consumed.

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[–] ramble81@lemmy.zip 15 points 1 day ago (1 children)

We should have been deploying nuclear much earlier and then augment with renewables. Once energy storage technology matured more you could phase out nuclear plants.

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[–] m8052@lemmy.world 6 points 1 day ago (1 children)

Still massive exporter of electricity. I wonder how much coal and gas would burn in Europe if French npp weren't there.

[–] Sniatch@feddit.org 1 points 2 hours ago

They have to export because you can't just shut down a Nuclear Reactor. So they sell it for cheap to other countries. It would be more expensive for them to shut down a reactor because they produce too much. The other countrys gladly take the cheap energy. But france doesn't really make profit with this, it's just less expensive for them.

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