Our relationship with suppliers is important to us. Trust, transparency and cooperation are key pillars of this partnership, which always aims to provide a quality service to citizens.


Apply for qualification of eletrical works 

The construction of the grid and infrastructure connection elements of the first establishment for the electrification of built-up areas, building lots, and industrial and commercial estates may be carried out by third parties in accordance with the combined provisions of the Distribution Grid Regulations, approved by the Directorate-General for Geology and Energy, cfr. Ordinance No. 596/2010, dated 30 July and Commercial Relations Regulation, adopted cfr. Order No. 561/2014, published in DR No. 246, 2nd series, dated 22 December. 

The installed equipment wiil have to comply with our standards. 



Make your application and check the ones that have already been submitted.

Works to be Performed by External Entities in the Electricity Distribution Network

For the construction of connection elements for which the responsibility lies with the connection requester, the valid (recognized and/or qualified) entities for this purpose.

Nota: A lista de prestadores de serviços de redes é exclusiva para trabalhos elétricos. Para trabalhos não elétricos não há entidades autorizadas pelo que estas não carecem de validação pela E-REDES.