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Connecting high-voltage premises

Learn about the conditions for making a high voltage (HV) connection. Learn how to request this connection from the 60 kV network to the substation of an applicant, the secondary electrical distribution network.

You can connect to the high voltage network via overhead lines or underground cables;

It is mandatory to have a high voltage switching station (PCAT) near the substation of the customer with ancillary services for the PCAT remote control, fed by the medium voltage public distribution network;

It must be possible to access the land destined for the switching post via the public road, so the surface use right will always be of E-REDES, if it is not owned by the company.

Frequently Asked Questions

  1. Refer to the high-voltage network and substations

    1. Access the map;

    2. Select the region where your installation will be located;

    3. Choose the substation;

    4. Identify the line or substation where you plan to make the connection;

    5. Check the network characteristics, the maximum peaks and the load of the line or substation.

  2. To formalize your HV grid connection request you should contact your manager or send an email to plrat@e-redes.pt. 

    Average reference prices for a 60 kV high voltage grid connection

    For more information, you may contact your E-REDES customer manager at plrat@e-redes.pt.

    • Conclusion of the works;
    • Payment of costs associated with connection to the grid;
    • Licensing and authorization of entry into operation by the Directorate General of Energy and Geology;
    • Signing of the operation protocol;
    • Supply contract with the energy supplier.

    For further clarifications or information, you can contact the E-REDES customer manager at plrat@e-redes.pt.  

Related topics and documentation

High voltage network and substations
Company recognition
Maintenance of transformer stations
Guide to measuring, reading and providing data