Terna S.p.A., 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; dispatching and metering; and construction of storage systems. The company also offers connectivity services, energy solutions, telecommunications systems and equipment, 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. The company was founded in 1999 and is headquartered in Rome, Italy.