Sure, it would take some investment, but isn't the technology already here?
Maybe somebody else has examples of well running geothermal power plants but at least the Swiss are quite vary of them.
Sure, it's hard to know how far geothermal in Iceland could scale..
But there is an active volcano, how much worse can it get? :)
Despite all the recent talk the real barriers are lack of political will and investment, it was viewed as an emergency we could pull it off very quickly indeed.
* http://www.gcmap.com/mapui?MP=r&R=900km%40BIHN
1050 km to reach the tip of Norway (or Ireland).
Each branch wouldn't be that different in distance from the part between Cyprus and Crete from the https://en.wikipedia.org/wiki/EuroAsia_Interconnector or the related https://en.wikipedia.org/wiki/EuroAfrica_Interconnector
One project I'd like to see get implemented is connecting Iceland to Britain to give 24/7 renewable baseload energy via undersea cables to Britain and potentially to mainland Europe. This would reduce the need for so many battery capacity being built out[3].
[1] https://news.ycombinator.com/item?id=25558986
[2] https://www.windy.com/?55.176,-3.587,7
[3] https://www.reuters.com/article/us-iceland-energy-britain/ic...