Gwypaas

33 ms·

301.
by Gwypaas 4y ago
Coal is not competitive anymore. It only gets built in places with lackluster gas infrastructure. https://www.lazard.com/perspective/levelized-cost-of-energy-...
302.
by Gwypaas 4y ago
> as long as you are willing to throw away waste heat on par with internal combustion engines Here in lies the problem. Waste heat on a powerplant scale is expensive to deal with. Ask any coal plant.
303.
by Gwypaas 4y ago
The great thing is that the alternative is not coal plants anymore, it is renewables. https://www.lazard.com/perspective/levelized-cost-of-energy-...
304.
by Gwypaas 4y ago
The great thing is that coal is not the alternative anymore, renewables are. https://www.lazard.com/perspective/levelized-cost-of-energy-... Base load on the producer side is an outdated term. It simply came into exist
305.
by Gwypaas 4y ago
Coal is fine with steam. Make it supercritical and do fancy stuff. You're simply piping water through furnace with extra steps. It is a material science questions. For all traditional water reactors you are using the water to slow down
306.
by Gwypaas 4y ago
The fusion question simply boils down to: How are you going to generate power with your fusion plant? Steam? Coal and nuclear are uncompetitive simply from the cost of the steam side. Today you can just about give a steam plant free energy
307.
by Gwypaas 4y ago
Half of France's nuclear fleet is offline due to maintenance issues. They've gone from an electricity exporter to importer when it is most needed. Have a look at Flamanville 3 and try to sell another 50 of those to the public. ht
308.
by Gwypaas 4y ago
TMI, Fukushima and Chernobyl are acceptable events which we should simply deal with every 10th year when they happen?
309.
by Gwypaas 4y ago
Both fission and fusion are awful at peaking. For peaker energy you want low capital investment and higher marginal costs. Fusion and fission are extremely capital expensive with quite hefty marginal costs through the steam side. They'
310.
by Gwypaas 4y ago
Putin started tampering with the gas already during the summer of 2021. The effects of this were likely part of the calculus on the West's response to the war, which he severely misinterpreted given that we have decided to accept the c
311.
by Gwypaas 4y ago
Also before Putins energy war?
312.
by Gwypaas 4y ago
Sure, spend money on solving energy storage even for the 99% case and I'm all in! That would be agtual R&D and not putting another round of subsidies in the nuclear companies pockets.
313.
by Gwypaas 4y ago
Because for a solar panel or wind turbine that efficiency is simply lost energy. Catching more is better but as long as it is economical it is fine. For thermal power plants you need to spend money taking care of the waste head leading to m
314.
by Gwypaas 4y ago
https://www.lazard.com/perspective/levelized-cost-of-energy-...
315.
by Gwypaas 4y ago
From a super pro nuclear source: > Nuclear plants currently being built have about 34-36% thermal efficiency, while one of the new reactor designs boasts 39%. In comparison, new coal-fired plants approach 40% and CCGT plants reach 60%.(4
316.
by Gwypaas 4y ago
You're proposing using laws or tax payer money to subsidize certain power generation. That's bound to lead to issues, like for example the now cancelled Virgil C. Summer. https://en.wikipedia.org/wiki/Nukegate
317.
by Gwypaas 4y ago
Yes, steam is expensive to produce, utilize and cool.
318.
by Gwypaas 4y ago
Try working on demand 20% of the hours since renewables easily without anything fancy reaches those levels. Now your horrendously expensive plant became even more expensive.
319.
by Gwypaas 4y ago
They run at 30-35% efficiency with a humongous amount of machinery to support them. Heat exchangers, pumps, condensers. Compare that to the simplicity of a jet turbine where you get raw mechanical power out. They take pretty much the same e
320.
by Gwypaas 4y ago
Lets create a market of everyone installing solar and trying to decouple from the power grid because you're forcing them to use more expensive power?
321.
by Gwypaas 4y ago
Or because covering half of Europe to the level that in some places you, even to this day, have to measure the radiation levels of mushroom and wild game is irrelevant? https://www.researchgate.net/figure/Distribution-o
322.
by Gwypaas 4y ago
How are you going to generate power with your fusion plant? Steam? Coal and nuclear are uncompetitive simply from the cost of the steam side. Today you can just about give a steam plant free energy and it still makes a loss. Solar or wind d
323.
by Gwypaas 4y ago
They were only built with massive subsidies or through legal means being able to shift the costs to the ratepayers like the now cancelled Virgil C. Summer. https://en.wikipedia.org/wiki/Nukegate_scandal
324.
by Gwypaas 4y ago
How are you going to turn that fusion based heat into electricity? Coal and nuclear are uncompetitive simply from the cost of the steam side. Today you can just about give a steam plant free energy and it still makes a loss. Solar or wind d
325.
by Gwypaas 4y ago
You mean half the French nuclear fleet which is out of commission causing much of the current problems? France has gone from the largest electricity exporter in Europe to an importer.
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by Gwypaas 4y ago
The generation during the day will not be burdened by that infrastructure. The night time generation will simply be day time cost + infrastructure. Theoretically, you can bet that your traditional power plant only runs at night. But now you
327.
by Gwypaas 4y ago
Compare newly built renewables with all costs included to the marginal cost of paid of coal and nuclear. [1] Today it is often better to simply shut down your existing nuclear plant and build a renewable instead. For a more comprehensive lo
328.
by Gwypaas 4y ago
Brokers are not banks. For real financial systems your stock are held 1:1 in a custody account in a separate company with regulations making sure you get to keep your stock even in the case of bankruptcy of the broker. You can sell all your
329.
by Gwypaas 4y ago
> 3. Power extraction from a bundle of hot material is not a particularly unknown problem. It's in fact how every power plant on the planet works. Coal and nuclear are uncompetitive simply from the cost of the steam side. Today you
330.
by Gwypaas 4y ago
Keep in mind HVDC. 3300 KM north of the Sahara desert, and you are relatively close to the Arctic circle. North of that is still a "niche," but now we're talking about a million people living hugely spread out. Most of those

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