@x5nder Sorry for this very late reply, i was not aware of your question though maybe you already found the answer or my answer is no longer needed. But since i found it by a simple google search. Maybe others seeks the same answer.
First of all, yes. As of Jan 2025 i am still maintaining this module.
Region code to use for fetching the correct price area are listed over at Nordpool
Netherlands (Dutch?) is NL
France is FR
Oslo area is NO1
Poland is PL
and so on…