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Since the beginning of its activity, for more than four decades EIA21 has been developing with excellence energy generation and distribution projects of increasing magnitude, both in Spain and internationally.

EIA21 has extensive experience in the development of engineering for projects in the energy sector in its different types of plants such as: Photovoltaic Solar Parks (thermosolar of central tower, parabolic cylinders), Steam Generation, On&Off Shore Wind Farms, Minihydraulic and Cogeneration Power Plants, Biomass and Biogas Plants, Geothermal Plants, developing activities of design, construction, start-up and maintenance of these.


Integral Projects Energy Sector

With the commitment to offer the best technical engineering services, EIA21 has a group of professionals with extensive experience in the energy sector, who carry out complete projects, from the development of conceptual, basic and detailed engineering, both the electrical transmission system (transmission lines, high and medium voltage electrical connections), as well as the distribution system (design of electrical substations, atmospheric protection system, grounding system, lighting system)

For this reason, we offer an integral service for electrical energy transmission systems, which ranges from consulting for the planning, design and optimization of systems, to engineering and turnkey construction of substations and low, medium and high voltage lines.

View projects carried out by EIA21


We work in Engineering Projects offering Solutions to all Sectors, for all types of Industrial Installations and in all Technical Specialties.