Terna S.p.A. is an Italian electricity transmission system operator responsible for the planning, construction, maintenance and management of the country’s high-voltage power grid. Established in 1999 following the unbundling of Italy’s electricity industry, Terna inherited and developed an extensive network of more than 75,000 kilometers of transmission lines, substations and interconnections. The company’s core activities encompass real-time system operations, grid balancing and investment in infrastructure upgrades to ensure reliable delivery of electricity across Italy.
In addition to its domestic business, Terna has pursued international growth through subsidiaries and strategic stakes in Latin America, including operations in Chile, Peru and Brazil. These ventures focus on the development and operation of regional transmission assets, leveraging Terna’s expertise in high-voltage technology and network management. Through this geographic diversification, Terna supports grid modernization initiatives and the integration of renewable energy sources in emerging markets.
Terna’s service offerings extend beyond physical grid assets to include digital solutions for network monitoring, smart grids and energy storage integration. The company invests in advanced control systems, data analytics platforms and cybersecurity measures that enhance system resiliency and enable efficient load forecasting. These capabilities position Terna as a leading partner for utilities, regulators and industrial customers seeking secure and sustainable power transmission solutions.
Headquartered in Rome, Terna is led by a management team with deep expertise in energy infrastructure and regulation. Under the direction of its chief executive, the company continues to implement a multi-year investment plan aimed at modernizing the national grid, expanding international operations and promoting a clean-energy transition. As a long-established transmission operator, Terna plays a pivotal role in supporting Italy’s energy security and decarbonization objectives.
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