TBH I don’t really see that as a problem like most people do. In the niaive solution, you can just build excessive capacity. Build enough generators to always supply peak load, then turn them off when they are not needed.

Realistically you have a sophisticated system which includes some legacy nuclear diesel and coal, some wind/solar, some more efficient renewables like tidal power, and you always need at least one gas plant too, to stabilise the load. There’s demand side stuff you can do too, and many more tricks.

Nuclear is cheap right now but when the economy changes, engineers will use their powers to make the grid work fine with the cheapest power source available.

Thanks for the website. You can really see how unreliable wind is, and the crucial modulating role of gas. Wind is starting to look like a real red herring in the search for ethical cheap power. But it’s cheap, so they build it anyway, and the engineers just have to make it work. Tidal power should be much more reliable. It just needs more investment.