Ok so now we are beholden to whatever political powers that are south of us (or our friendly neighbor to the east "accidentally" cutting the sea cable). For now it is a bunch of friendly EU countries but putting the lives our citizens in their hands doesn't sound that nice. Freezing to death during winter if power gets cut for more then a day or two is a very real possibility in huge parts of the country as we have moved from oil/gas to electric heating.

You realize this is like the US saying "lets give money to Mexico to build all of our solar power there (it is closer to the equator and thus would provide more even output throughout the year and would make more econimical sense) and just rely on them selling it to us forever at a nice price as they are a friendly country at this very moment". Or even better would be the countries further south and build a sea cable on international waters so anyone with a sub can go and cut it to fuck with you,

From a national security perspective relying on such a vital resource as electricity on someone else is just plain stupid. I realize most countries are in such a relationship with oil/gas countries at the very moment but I think the goal should be to lessen this kind of relationships not increase them.