The power line seeks to integrate the Portuguese National Transmission Network (RNT) in the sub-regions Alto Trás-os-Montes and Ave, in the North region of Portugal, having the following as its main goals: 

• Ensuring an alternative to the energy flow of the power plants of the Portuguese National Programme of Dams with High Hydroelectric Potential (PNBEPH – Programa Nacional de Barragens com Elevado Potencial Hidroelétrico) located in the area of Alto Tâmega.
• Enabling the integration of new hydroelectric plants in the North region of Portugal and creating better conditions for the evacuation of existing and planned wind power.
• Integration of high levels of renewable energy penetration.
• Enabling an increase in interconnection capacity between Portugal and Spain. 

• Environmental study – 2018
• Environmental Impact Statement - 2021
• Establishment Licence
• Contact with landowners (land registry survey and compensation process)
• Construction
• Completion of the project - 2021

Study Area 

Corridors   

Final layout 

• Ribeira de Pena 

Union of the Parishes of Ribeira de Pena and Santo Aleixo do Além 

Parish of Santa Marinha 

• Montalegre 

Parish of Salto 

• Cabeceiras de Basto 

Union of the Parishes of Gondiães and Vilar de Cunhas 

• Vieira do Minho 

Union of the Parishes of Ruivães and Campos 
 

Voltage level: 400 kV 

Line extension: 26.8 kilometres 

No. of poles: 62 

Pole heights: between 64 and 75 metres