Terna - Rete Elettrica Nazionale Società per Azioni, together with its subsidiaries, engages in the electricity transmission and dispatching activities in Italy, Euro-area countries, and internationally. The company operates through Regulated, Non-Regulated, and International segments. It is involved in the planning, development, management, operation, and maintenance of national transmission grid, electricity infrastructures, and high-voltage infrastructures. The company also offers telecommunications systems and equipment, connectivity services, energy solutions, and operation and maintenance services. In addition, it designs, produces, commercializes, and repairs power transformers for electricity transmission and distribution grids, industrial transformers for the steel and metals industries, and special transformers for convertors used in electrochemical production; designs, produces, and supplies marine and terrestrial cables; implements and develops renewable energy projects; and undertakes private interconnector projects, as well as owns the national transmission grid. The company was founded in 1999 and is headquartered in Rome, Italy.