25 de Mayo Substation is a 500/132kV substation located in 25 de Mayo, Buenos Aires, Buenos Aires, Argentina. The project was commissioned in 2018.


The 25 de Mayo Substation project is a new substation being operated by Compania de Transporte de Energia Electrica en Alta Tension Transener.

The designed voltage level of the project is 500/132kV, while the operating voltage level is 500/132kV.The step-in voltage of the substation is 500kV and the step-out voltage is 132kV. The substation capacity is 300MVA.

25 de Mayo Substation has received approval from National Entity of Electricity Regulation to undertake the works on the project.

About Compania de Transporte de Energia Electrica en Alta Tension Transener

Compania de Transporte de Energia Electrica en Alta Tension Transener (Transener) is engaged in the transmission of electric power. The company involves in the operation and maintenance of 14.471 kilometers of 500 kilovalt (kV) and 220kV transmission lines in the Province of Santa Cruz. It also offers third party services including line maintenance, maintenance of transformer stations, operation of lines and transformers, supervision and inspection transmission works, engineering services and consulting, transmission system upgrading, and service testing and commissioning. Transener operates in Argentina, Brazil, Peru, Paraguay and Uruguay. Iit is headquartered in Buenos Aires, Argentina.


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.