you can enter one of them
the one behind the team flare grunt is the one you are able to get through. battle the team flare guy. he will then tell you that he has lost a key to the power plant. turn on the dowsing machine, go to the closest rock and press a. you will then receive a key which gives you entrance to one of the doors to the power plant. this is the one behind the team flare guy showed on this picture. however, its five doors in total, and you can't enter four of them
there is no way yet to open the doors, but it might be an future event although no one knows…
Nobody knows how to open them, maybe it's event related?
hope I helped:D