 Protergia, a subsidiary of Mytilineos Holdings, operates 1.2 GW of power generation facilities, including the 444.48 MW Agios Nikolaos power plant in Viotia, a 436.6 MW power plant, owned by Korinthos Power, at Agioi Theodoroi, a 334 MW power plant, owned by Aluminium of Greece, in Viotia.It also operates 54 MW of wind and solar facilities.Founded on 16 September 1999.