EN
Commercial companies code includes the legal definition of the company describing different types of dominance. Both the European and Polish lawmaker wishing to create a competitive market of electric energy introduced numerous restrictions concerning vertically integrated companies. The subject matter of the following article is the attempt to answer the question whether every kind of dominance can be applicable to a capital group in the electric energy sector which is a vertically integrated enterprise and furthermore, how the restrictions concerning the energy law influence the position of the dominant company in a vertically integrated enterprise.