About the power supply company, how can I go in and work?

It is very likely that your quota is used up and you need your family to walk around. Besides, now that you graduate as the most important undergraduate major in electric power system, the college may be a little hung up, depending on whether your family is hard or not. You should know what I mean. As for the exam, it's just a formality. At least the third production company belongs to the power system. In fact, the treatment is still similar.