Who we are

We are a provider of integrated solutions in the fields of Energy and Mobility. As a Portuguese company with a strong exporter profile, we operate in key sectors for society, delivering tailor-made solutions that meet the evolving needs of our clients and of the markets in which we are present. With a proven track record spanning over 75 years, we offer a comprehensive portfolio that promotes the energy transition and creates value for all our stakeholders.

We create integrated solutions, from:

Engineer reviewing 3D model of a transformer on two computer screens.

Technology Development

Light-grey large transformer in an industrial facility. Person in an orange safety vest and helmet walks by, conveying a sense of scale.

Products Manufacturing

Technician in orange safety jacket and helmet operates Efacec’s Series 450 IED protection and control relay.

Systems Integration

Efacec technician wearing a safety helmet and high-visibility vest, monitoring a railway signalling system on a computer screen

O&M Services

Since August 12, 1948 …

… and from the day we developed our first distribution transformers, we have been empowering the future through Transformers, Switchgear, Automation solutions, T&D Substations, Railway & Metro solutions and EV Chargers.

Our products are responsible, among others, for the operation of several nuclear power stations in the USA and Spain, for the distribution of energy in New York and Paris, and for the operation of the transport systems of cities such as Dublin, Odense, Bergen or Algiers.

In November of 2023, Efacec became part of the Munich-based Mutares Group.