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Don't feed the troll 💩As long as you don't care when the electricity is produced
Storage is a solvable problem. Whereas we don't have the resources to power the world with nuclear plants.
The second half if most important. It doesn’t produce enough electricity. Renewables are getting cheaper and cheaper and are taking up the mantle to take over majority of power production in some nations. But it is harder to monetize and can be democratized and made pretty easily. It’s like weed. It can be taken away from bigger producers and therefore there is significant push back/lobbying against it.
Storage is a solvable problem
I'm not convinced it is. Storage technologies exist for sure, but the general public seems to grossly underestimate the scale of storage required to match grid demand and renewables only production.
I think you underestimate how much storage power is currently being build and how many different technologies are available. In Germany alone there currently are 61 projects planed and in the approval phase boasting a combined 180 Gigawatts of potential power until 2030. Those of them that are meant to be build at old nuclear power plants (the grid connection is already available there) are expected to deliver 25% of the necessary storage capacity. In addition all electric vehicles that are assumed to be on the road until 2030 add another potential 100GW of power.
Of course these numbers are theoretical as not every EV will be connected to a bidirectional charger and surely some projects will fail or delay, however given the massive development in this sector and new, innovative tech (not just batteries but f.e. a concrete ball placed 800m below sea level, expected to store energy extremely well at 5.8ct / kilowatt) there's very much reason for optimism here.
It's also a funny sidenote that France, a country with a strong nuclear strategy, frequently buys power from Germany because it's so much cheaper.
Another important note about France: They are the second country alongside Germany heavily pushing for an upscaled green hydrogen market in the EU. Because -just like renewables- nuclear production doesn't match the demand pattern at all. Thus it's completely uneconomical without long-term storage.
The fact that we seem to constantly discuss nuclear vs. renewables is proof that it's mostly lobbying bullshit. Because in reality they don't compete. It's either renewables+short-term storage+long-term-term storage or renewables+nuclear+long-term storage. Those are the only two viable models.
upscaled green hydrogen market
That's been the talk in town for 40 years now. Green hydrogen has never gotten beyond proof-of-concept.
The fact that we seem to constantly discuss nuclear vs. renewables is proof that it's mostly lobbying bullshit.
Sadly, it's because the political green parties available to me are anti-nuclear.
It's either renewables+short-term storage+long-term-term storage or renewables+nuclear+long-term storage.
Why is nuclear+short term storage not an option, according to you?
Why is nuclear+short term storage not an option
Because cold winter days exist. Yes you can only build nuclear capacities for the average day and then short-term storage to match the demand pattern. But you would need to do so for the day(s) of the year with the highest energy demand, some cold winter work day. What do you do with those capacities the remaining year as throttling nuclear down is not really saving much costs (most lie in construction and deconstruction)?
Due to the recent nuclear hype uranium price will rise and keep in mind that the resource will not exceed a century.
It's not just power that's needed (MW), also stored energy (MWh).
Germany consumes on average 1.4TWh of electricity a day (1). Imagine bridging even a short dunkelflaute of 2 days.
Worldwide lithium ion battery production is 4TWh a year (2).
It's also a funny sidenote that France, a country with a strong nuclear strategy, frequently buys power from Germany because it's so much cheaper.
Isn't that normal? The problems with renewables isn't that they generate cheap power, when they are generating. Today windmills even need to be equipped with remote shutdown, to prevent overproduction.
The problems arise when they aren't generating.
Your estimation goes way off because you still believe lithium ion to be the only viable solution. By now Sodium-Ion batteries are already installed even in EVs and can be produced without any critical resource like lithium.
And then of course there are all the other storage solution. Like I said, there even are storage solutions like concrete balls. Successfully tested in 2016, here an article from 2013.
By now it wouldn't be wise to stifle this enormous emerging market of various technologies by using expensive, problematic technology (not just because the biggest producer of fuel rods is Russia).
I don't think lithium ion is the only storage technology. I was using it for scale.
The most cost effective storage is pumped storage. But even that wouldn't reach the scale necessary.
6 MWh pumped storage proof-of-concept won't l, either.
The watthours is what gas is for. Germany's pipeline network alone, that's not including actual gas storage sites, can store three months of total energy usage.
...or at least that's the original plan, devised some 20 years ago, Fraunhofer worked it all out back then. It might be the case that banks of sodium batteries or whatnot are cheaper, but yeah lithium is probably not going to be it. Lithium's strength is energy density, both per volume and by weight, and neither is of concern for grid storage.
Imagine bridging even a short dunkelflaute of 2 days.
That's physically impossible for a place the size of Germany, much less Europe.
is what gas is for
Wouldn't it be better to go fossil free. Given, you know, climate change. And the fact that the gas needs to be shipped all the way from the US.
That's physically impossible for a place the size of Germany, much less Europe.
Unless we use a different technology, that is not renewables + storage?
Wouldn’t it be better to go fossil free. Given, you know, climate change.
Gas can be synthesised and we're going to have to do that anyway for chemical feedstock. Maintaining backup gas plant capacity is cheaper than you think, they don't need much maintenance if they're not actually running.
That’s physically impossible for a place the size of Germany, much less Europe.
Unless we use a different technology, that is not renewables + storage?
It's not technology it's physics. It is impossible for there to be no wind anywhere, at least as long as the sun doesn't explode and the earth continues to rotate and an atmosphere exists. If any of those ever fail electricity production will be the least of our worries.
Technology comes into play when it comes to shovelling electricity from one end of the continent to the other and yes we need more interconnects and beefier interconnects but it's not like we don't know how to do that, or don't already have a Europe-wide electricity grid. The issues are somewhere in between NIMBYism regarding pylons and "but we don't want to pay for burying the cable earthworks are expensive".
Gas can be synthesised
When's that going to happen? Right after the green hydrogen revolution?
They've been saying that for decades. It isn't happening. It's just natural gas.
It's not technology it's physics
Sorry, I didn't think someone would deny the existance of dunkelflautes. It's currently happening in Germany. (1).
When’s that going to happen? Right after the green hydrogen revolution?
Already happening, on a small (but industrial) scale. You can buy that stuff off the shelf, but it's still on the lower end of the sigmoid. Most new installations right now will be going to Canada and Namibia, we'll be buying massive amounts of ammonia from both.
Sorry, I didn’t think someone would deny the existance of dunkelflautes. It’s currently happening in Germany.
Yes and elsewhere in Europe the wind is blowing. Differences in solar yields are seasonal (that's what those three months storage are for, according to Fraunhofer's initial plans), but reversed on the other side of the globe, and Germany would be better situated to tank differences in local wind production all by itself if e.g. Bavaria didn't hinder wind projects in their state. The total energy the sun infuses into the earth does change a bit over time, but that's negligible. In principle pretty much zero storage is needed as long as there's good enough interconnectivity.
...meanwhile, we'll probably have the first commercial fusion plant in just about the mean construction time of a fission plant.
Another problem arises when you're generation 63.688 after today and still have to keep maintaining deadly waste from nations that don't exist anymore, because they produced "cheap" and "clean" energy for a couple of decades.
Come on, Jesus died like 2000 years ago, this stuff will haunt us for centuries. Arguing in favor of something this unpredictable is just selfish, stupid and shortsighted.
Ok but maybe a counterpoint is we are overestimating the ability of the atmosphere and ocean to absorb CO2 and maintain a habitable planet. I'd rather store isotopes in the earth (where they came from anyway) than carbon in the air.
Storage is a solvable problem.
Not in this economy. We need change in consumption too. Make loads opportunistic. Have extra energy - heat more water. Or heat homes. There was video on Technology Connected about it.
Nuclear: As long as you don't care about the magic rocks once the magic has decayed to a level where they're not boiling water anymore
90% of magic rocks that no longer boil wsater is magic rocks that can boil water.
If you're talking breeder reactors, do we have any in the US?
If you're talking breeder reactors
I was talking about reusing uranium from "spent" fuel, not about using plutonium. Found source that says "spent" fuel is 95-98% mix of uranium isotopes that were there. Sadly, source doesn't say how much of each isotope, I expect very low amount of U-235. Yes, you can also use plutonium in MOX fuel, but only Russia~~, France~~ and China do that, as far as I know.
do we have any in the US?
Dunno. Do you? If you don't, you can buy them from mentioned above countries.
EDIT: France no longer has working breeder reactor? How did it happen?