All over Scotland - which is kind of centred around 55°N, way further north than these guys with their vertical farms - potatoes grow like crazy. Some types do well in Ayrshire, some do well up here in Angus (yes, like Aberdeen-Angus cattle). Different types of soil work well for different plants.
You'd need literally megawatts of power to provide the same amount of light. Where are you going to get that from? Solar panels...?
In Norway, Potatoes are grown as far north as the Northernmost region of Finnmark, around 70°N, and Norway is able to produce more potatoes than are eaten by people (Norway still imports potatoes because the growing season is short).
You'd need literally megawatts of power to provide the same amount of light. Where are you going to get that from? Solar panels...?