(Finance) – Triadthe manager of the national transmission network, has started terrestrial works for the realization of the SA.CO.I.3, the electric interconnection in continuous current at 200 kV that will connect Sardinia, Corsica and Tuscanycontributing to the strengthening of the European electricity market and promoting the integration of renewable sources. Furthermore, the project will be functional to guarantee the connection between the corso electrical system and the Italian one, through the creation of the Luccciana terminal by the operator Edf, manager of the French electricity network in Corsica.
The opening of the construction sites confirms the commitment of the Company led by Giuseppina di Foggia In the phase of execution and implementation of electrical infrastructures, essential for achieving the objectives set by the integrated national plan for energy and climate.
For the works owned by Terna there is a total investment of about 1.35 billion EURor, with a cost-distribution scheme between Italy and France in line with the coordinated decision of their respective regulators (resolution Arera 416-2024). The project, with the forecast of entry into operation in 2029, was authorized by the Ministry of the Environment and Energy Safety in 2023.
The Sa.co.i.3 He obtained the approval of the European Council for a funding of 200 million euros as part of the Repoweru program, and provides for the modernization and enhancement of the current SA.CO.I.2 interconnection, operational since the 90s. The original infrastructure between Sardinia and Tuscany, which came into service in 1967, was the first continuous current connection to 200 kV in the world.
TO Santa Teresa Gallura (SS) The first construction sites on the ground for the construction of the landing point of marine cables between Sardinia and Corsica were started. From March 2025, the works will also start in Salivoli (LI). In the two municipalities near the coast, the construction sites will be suspended at the end of May for the summer break and will resume in October in order to minimize the impact on local activities.
The infrastructure provides 120 km of marine electrode between Tuscany, Corsica and Sardinia And Two new electric stations: one in Codrongianos (SS), adjacent to the existing system, and one in Suvereto (LI) in the internal spaces of the TERNA electric station of the same name. In Sardinia 6 km of earth cable will be made in the municipality of Santa Teresa Gallura, allowing the demolition of 5 km of lines, while in Tuscany 1.2 km of underground electrode will be made in the municipality of Piombino.
Every aspect of the work – he explains Triad – It was designed to be integrated with the surrounding environment, minimizing the impact in all phases, from construction to operation. For the realization of the cables landing points, they will be adopted sustainable solutionssuch as remotely remoted, in order to significantly reduce the effects on the marine environment and on the coast during the installation of cable electrodes. In particular, the conversion stations, thanks to the architectural contest promoted by Terna in collaboration with the municipal administrations involved, will be carried out in such a way as to guarantee the best insertion in the natural context of the two regions affected by the work.