Efener Enginyeria, S.L.L. develops projects with a high degree of specialization in the energy sector. We specialize in the design and construction of electrical infrastructure and systems for renewable energy generation. All our projects incorporate the most advanced and efficient technologies in order to guarantee a rational use of energy. This is the way to help our customers become increasingly self-energy, minimize present and future energy costs, while reducing the emission of greenhouse gases in the atmosphere.

We guarantee a full commitment to the needs of our clients to tailor our services to their needs.


Quality policy

We optimize our processes daily to meet the growing demands of the projects in which we intervene. Our main commitments in this regard are:

    • Continuous care in the satisfaction and expectations of our customers
    • Definition and enforcement of requirements applicable to our products and services, with special emphasis on legal and regulatory aspects
    • Continuous improvement of technical and professional competence of our staff through specific training
    • Focus on safety and health of workers in the development and control of facilities
    • Definition of the company's annual goals and monitoring



The Company began to operate in 2006 with the accumulated experience of its members in large companies in the energy sector, including utilities, installation and consultancy companies. It should be noted that the company shares EFENER partners, offices and company resources with EPG (Estudios y Proyectos Grau, SL), one of the leading companies in the fields of electric power in general and renewable energy in particular.