Terna Energy SA engages in the provision of renewable energy. It involves in the development, construction, financing and operation of wind, hydro, solar, biomass and waste management. The firm operates through the following segments: Construction, Electricity from Renewable Sources of Energy, Trading of Electric Energy and Concessions. The Construction segment refers to the development of wind parks and other units for electricity production from renewable energy sources, and also to the construction of the necessary infrastructure. The Electricity from Renewable Sources of Energy segment mainly concerns production of electricity through wind energy. The Trading of Electric Energy segment includes Supply and sale of electric energy from and to the neighbouring markets and the markets of Southeastern Europe. The Concessions segment concerns the construction and operation of infrastructure and public sector projects in exchange for the long-term operation of the above projects through the provision of services to the public. The company was founded on September 11, 1997 and is headquartered in Athens, Greece.