Gestore dei Mercati Energetici S.P.A. is the company established by Gestore della Rete di Trasmissione Nazionale S.p.A. (now Gestore dei Servizi Energetici-GSE S.p.A.) with the mission of organising and economically managing the Electricity Market, under principles of neutrality, transparency, objectivity and competition between or among producers, as well as of economically managing an adequate availability of reserve capacity.