At Smilics Technologies We Make Energy Digitalization a Reality

About us

We Believe in the Energy Transition, Sustainability, Technology at the Service of People and Environmental Protection

Smilics Technologies is a specialized company that provides the tools necessary to measure, control and optimize energy consumption in sectors such as residential, commercial, industrial and electrical infrastructure for companies.

Smilics is part of the “The Yellow Nest” group, a global business group made up of six companies that provide services in more than 80 countries around the world. They are dedicated to offering innovative solutions in the field of energy efficiency through cutting-edge technological products and applications, leading the transformation of the electrical sector.

With more than 30 years of experience, Smilics Technologies stands out as a company specialized in the design and manufacturing of cutting-edge devices and software at our headquarters in Terrassa (Barcelona). We have our own R&D and production departments that ensure we achieve the highest quality standards required in the industry.

For every energy need, there is a Smilics product

What Do We Do at Smilics?

Our mission is to promote the digitalization of energy for a more sustainable future. To do this, we develop and manufacture advanced solutions and tools in Barcelona for sectors such as residential/commercial, industrial and electrical distribution. For this reason, we offer comprehensive solutions that range from sensorization to cloud-based software, including the development of IoT electrical measurement and management equipment.

Possibility of managing your customers' energy more efficiently and obtaining data easily

Offer your customers the possibility of having their consumption monitored and visualize and use the data obtained centrally in real time in a single repository.

Harmonize your consumption

Start managing and using the excess energy produced by the photovoltaic system to improve its efficiency.

Comprehensive solution

for the digitalization of low voltage secondary substations.

Rogowski coils and current transformers adapted to all needs

A wide range designed with a split core to allow operation and ease of installation.


units installed worldwide.


monitored transformer stations.


of our equipment is manufactured in Europe.

Our R&D

At Smilics Technologies, innovation is the engine that drives our progress and distinguishes us in the energy efficiency market. Our commitment to excellence is reflected in our own Research and Development (R&D) department, a team made up of highly trained and motivated specialist engineers and technicians.

We offer robust, solution-oriented pre-sales advice through our experienced R&D team. We work closely with clients to understand their needs and design customized projects that efficiently address their energy challenges. Additionally, our after-sales support is a priority, with a dedicated technical team providing fast and effective responses to minimize interruptions and maximize the performance of our solutions.

Specialized Engineers and Technicians

Post-Sales Specialist

+100 Custom
Projects Made

I have a project in mind


The entire manufacturing process is carried out in our factory in Terrassa, Spain. Manufacturing is structured in flexible lines based on lean methodology and standardized operations. The 5s methodology is 100% implemented in all lines, and we have POKA-YOKE systems implemented to avoid errors in both design and production.

This organizational system allows us to manage the production of large quantities by producing small batches. Each order is finalized with testing and quality control checks.

  • Made in Europe: manufacturing plant in Spain.
  • 100% Verification of all requirements in the control plan by automatic means.
  • OEM: Products intended for OEM.

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our customized products and solutions.