[hutzlibu]

Yes, there is such a thing as the european energy grid.

https://en.wikipedia.org/wiki/Synchronous_grid_of_Continenta...

And yes, they know of the concept of getting electricity from south to north or vice versa - and there are already High Voltage Direct Current transmission lines in place and more on the way (much more efficient, to transport electricity long distances).

[toomuchtodo]

Portugal is within a stones throw of 100% renewables due to its pumped hydro storage and Spain interconnector. Extrapolate through Europe accordingly. Don’t stop building renewables, transmission, and storage.