Vizzini Substation is a 380kV substation located in Vizzini, Sicily, Italy.

The Vizzini Substation project’s construction has begun in 2018. The works are expected to be commissioned in 2022.


Vizzini Substation project, which is a new substation, will be operated by Terna.

The designed voltage level of the substation is 380/150kV and the operating voltage level is 380/150kV.

The step-in voltage of the project is 380kV and the step-out voltage is 150kV.

Vizzini Substation project development status

The development of the Vizzini Substation project was approved by The Italian Regulatory Authority for Electricity and Gas in 2018. The project is expected to be commissioned in 2022.

About Terna

Terna SpA (Terna) is an electricity transmission system operator (TSO). It operates high-voltage grid and carries out transmission and dispatching of electricity, maintains transmission infrastructure, plans and constructs the grid, and operates grid development projects. The company generates electricity from photovoltaic, wind, geothermal, biomass, hydroelectric and thermoelectric sources. It also offers specialized services to third parties, which are related to systems engineering, operation and maintenance of high- and very-high voltage plants, housing of telecommunications equipment and maintenance services involving optical fiber networks.


All publicly-announced T&D Line & Substation projects included in this analysis are drawn from GlobalData’s Power IC. The information regarding the projects is sourced through secondary information sources such as country specific utility players, company news and reports, statistical organisations, regulatory body, government planning reports and their publications and is further validated through primary from various stakeholders such as power utility companies, consultants, energy associations of respective countries, government bodies and professionals from leading players in the power sector.