Terna Energy. 

TERNA ENERGY Industrial Commercial Technical Societe Anonyme operates in the renewable energy sources (RES), construction, and concessions sectors in Greece, Balkans, Eastern Europe, and North America. It constructs, exploits, and installs renewable sources of wind and hydroelectric energy, photovoltaic parks, and other renewable energy sources. The company operates through Constructions, Electricity from RES, and Concessions segments. It also owns and operates wind farms, hydroelectric projects, pumped storage, hybrid plants, and photovoltaic parks; and produces biofuels, soil improvers, and other products. In addition, the company engages in the construction and operation of infrastructure and public sector projects, such as unified automatic collection system and municipal waste treatment facilities in Epirus region. The company was founded in 1949 and is based in Athens, Greece.