Terna S.p.A. is Italy’s primary electricity transmission system operator, responsible for the design, construction, maintenance and operation of the country’s high-voltage power grid. Headquartered in Rome, the company ensures secure and reliable transport of electricity across regional and national borders, managing an extensive network of over 75,000 kilometers of lines. Terna focuses on grid stability, system balancing and the integration of renewable energy sources, addressing the evolving needs of Italy’s power market while supporting national energy transition goals.
Since its establishment in 1999 following the unbundling of Italy’s power sector, Terna has evolved into a leading transmission specialist in Europe. The company is listed on the Borsa Italiana and operates under the governance of a board of directors and executive management. A significant shareholder is Cassa Depositi e Prestiti, reflecting the state’s interest in maintaining robust infrastructure. Terna has also pioneered the deployment of advanced grid technologies, including smart grid solutions and digital monitoring systems, to enhance operational efficiency and reduce environmental impact.
Beyond Italy, Terna has expanded its presence in several Latin American markets, notably in Brazil, Chile, Peru and Uruguay, through strategic acquisitions and partnerships. These international ventures involve long-term concessions for high-voltage transmission assets, contributing to the reliability and modernization of power networks in emerging economies. By leveraging technical expertise and project finance capabilities, Terna supports the growth of sustainable energy systems abroad while diversifying its revenue streams and reinforcing its position as a global transmission operator.
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