• Creating the necessary grid conditions for the electrical supply of the Évora – Elvas/Caia railway section, a priority railway axis of the Strategic Plan for Transport and Infrastructure – FERROVIA 2020.
• Establishing an aerial connection between the Estremoz substation and the new Alandroal substation, which is part of the project to construct a new railway connection between Évora and the Railway East Line (Évora Norte – Elvas/Caia), managed by IP – Infraestruturas de Portugal, incorporated within the Southern International Corridor.
• Enabling the flow of the production of photovoltaic energy, which has been of increasing interest to promoters for the development of new photovoltaic power plant projects.
• Helping to meet the renewable energy targets set out in the Portuguese National Energy and Climate Plan 2030 (to accommodate new renewable generation).

• Environmental study: May 2021
• Public consultation: 18 August to 28 September 2023
• Environmental Impact Statement: November 2023
• Establishment licence: May 2024
• Contact with landowners: Under follow-up
• Construction: July 2024
• Completion of the project: December 2024

• Estremoz – Alandroal double line

• Estremoz

São Domingos de Ana Loura
Union of the Parishes of São Lourenço de Mamporcão e São Bento de Ana Loura

• Borba

Borba (Matriz)
Orada

• Vila Viçosa

Cilada

• Elvas

Union of the Parishes of Terrugem e Vila Boim

• Alandroal

Union of the Parishes of Terrugem e Vila Boim
Union of the Parishes of Alandroal (Nossa Senhora da Conceição, São Brás dos Matos (Mina do Bugalho), e Juromenha (Nossa Senhora do Loreto)

• Voltage level: 400 kV
  
• Approximate length: 32 kilometres
• Number of supports: 84 new supports