Do they need to be appealing? I think our focus should be on energy generation change (phase out coal, nat gas etc). I don't notice if the electricity running i

Do they need to be appealing? I think our focus should be on energy generation change (phase out coal, nat gas etc). I don't notice if the electricity running into my home comes from green sources (nuclear, wind, solar) or black (?) sources (coal, nat gas). I guess the 'appealing' part comes from the cost. At this point, it seems like green sources are cheaper, we should be building like crazy (I know that to an extend we are).