this post was submitted on 18 Jun 2024
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This is something that has been occasionally happening in Europe (at least in Germany, don't know about France) for well over 10 years now. Probably more like 15.
What's sorely needed at this point is much more storage to make this energy available when it is needed instead of when it isn't. Before that happens, you cannot really decommission any gas or coal power plants, because you still need them during times of much less renewable production.
this is why we still need nuclear, to replace the fossil fuel baseline.
The concept of baseline power is no longer needed. Scientists wrote about that for years now. Battery storage and smart grids are growing faster and cheaper than nuclear ever could.
Greenfield nuclear is (probably) not economically relevant.
Refurbishing existing NPPs has a LCOE on-par with renewables and gives breathing room for variability issues that will otherwise be absorbed by fossil fuels until that eventual transition to storage/smart grid.
Any discussion of nuclear's costs/profitability that does not distinguish between greenfield and existing/refurbished is agendaposting since most of the costs of a NPP are upfront.
Can storage technology reach 100% coverage by 2050? Because that's the target for net-0 afaik.
If not, we should invest in something else to help us reach that goal, and Nuclear seems the most promising medium-term solution.
If there was enough funding or political backing anything could get done by 2050. That's a huge amount of time. Any time someone mentions a climate goalpost like that they are pulling the cloth over your eyes
We needed to get this shit done 10 years ago. Any delay in removing all fossil fuel emissions now is just a matter of how bad we want climate change to get, rather than preventing it. Net zero by 2050 is a fucking eternity away and is a shit goal, and all the projections that get us on track to 1.5 °C of warming have us extensively using carbon capture which is entirely unrealistic.
Existing nuclear plants in France work, they can load follow to some degree, and renewables can make up the difference with minimal energy storage. But at a certain point you have to stop investing in renewables if you have minimal energy storage and your electricity solution is working.
I am going to emphasize that last part: IF you can't get enough energy storage, and IF your energy mix is fine, you must stop investment in renewable installations. Without enough storage, the baseload+peak paradigm works, you just have to regulate it.
France’s baseline is nuclear and has been for decades.
France has plenty of nuclear power.
It doesn't help with renewable peaks in the slightest.
What is needed are storage solutions and flexible usage that can utilize cheap power at peak times.
You can absolutely reduce coal and gas without batteries. Hydro is a thing, nuclear also exists. Maybe it's cheaper and more environmentally-friendly to disconnect some solar and some wind from the grid during excess peak production and keep the nuclear running, than having huge storage? Also you're forgetting about the possibility for instant demand response, imagine things like AC units in summer or heaters in winter, where they could be turned on automatically during peak production to keep your house comfier for no cost.
Happens in Norway occasionally. Even hits the headlines sometimes. Then you go into the price graph to see and the price is negative for an hour or so. Rest of the day it's more expensive than it was 2 years ago before we sold our power to central Europe.