Given the input sentence, please extract the subject and object containing a certain relation in the sentence according to the following relation types, in the format of "relation1: word1, word2; relation2: word3, word4". Relations include: product/material produced; manufacturer; distributed by; industry; position held; original broadcaster; owned by; founded by; distribution format; headquarters location; stock exchange; currency; parent organization; chief executive officer; director/manager; owner of; operator; member of; employer; chairperson; platform; subsidiary; legal form; publisher; developer; brand; business division; location of formation; creator.

So, having said all of this, yes, we are interested, definitely interested in developing our renewables presence actually in our whole operating area, and now also in the enlarged Fortum Uniper Group.

Answer: owned_by: Uniper, Fortum; owner_of: Fortum, Uniper