There are many solutions to storage, not many being used. If someone is talking about storage, in 90% of cases they mean batteries and until that changes the problem isn’t solved.
As for solar during winter, it might work, barely, but at much lower output just because you have a lot less sunlight during a day. So you have to cover 16-17 hours of no light with just 7-8 hours of sun. This varies wildly depending on location of course.
Thermal hydro has pretty much solved the storage problem and solar works fine during the winter.
There are many solutions to storage, not many being used. If someone is talking about storage, in 90% of cases they mean batteries and until that changes the problem isn’t solved.
As for solar during winter, it might work, barely, but at much lower output just because you have a lot less sunlight during a day. So you have to cover 16-17 hours of no light with just 7-8 hours of sun. This varies wildly depending on location of course.