Tetradis : Concepteur et distributeur de solutions réseaux Très Haut Débit

As part of its corporate social responsibility (CSR) program, Orange concessions subsidiary Ariège Très Haut Débit (ARTHD), supported by the Ariège departmental council, wanted to implement solutions to reduce the environmental impact of its HSB installations. It was in this context that we were able to support them with our OCN (Optical Connection Node) solarization solution.

The environmental impact of digital technology in France: a key issue

In April 2013, the French government launched the initial call for projects called “France très haut débit”, which formed the basis of the "Plan France Très Haut Débit" (PFTHD). The aim of this plan is to roll out fiber optics across the whole of France by 2025. The project's aim is to revitalize French sectors such as healthcare, education and business development, in order to boost the region's economy and attractiveness. And it's a gamble that's paid off today, with deployment covering 86% of the country. But questions are now being asked about the environmental impact of the infrastructures required for this massive deployment, and of the digital sector as a whole.

According to a study by SPIE, in 2020, the digital sector alone will account for 4% of global greenhouse gas emissions. This is a low figure today, but one that needs to be weighted upwards in view of the rapid annual growth in digital consumption. And 20% of this environmental impact relates to the deployment of the network as a whole.

That's why it's important to look beyond deployment issues and consider the sustainability of our infrastructures, and find appropriate solutions to reduce the environmental impact of digital infrastructures.

Ariège (09): A solarization project for three OCN technical rooms

Against a backdrop of increasing energy requirements for HSB infrastructures, and given the high volatility of energy costs, this project is doubly useful, both environmentally and economically. The two main ideas behind this project are :

• Reduce the carbon footprint of OCN installations ;
• Optimize the plant's energy consumption.

Three OCN technical rooms are currently involved in this initiative. They are located in the towns of Nalzen, Lacourt and Pailhes (coming soon).

The Tetradis technical office made the project feasible by supporting ARTHD with its technical expertise and in-depth knowledge of digital infrastructures. They were able to develop a system made up of photovoltaic panels and an installation structure that adapts to the technical particularities of aluminum OCN technical rooms, without altering the structure of the building. Other integrations on concrete technical room were carried out, as well as reinjection directly into the 48Vdc Energy Workshops.



*based on full southern exposure with no shading

Why solarize technical rooms?

The solarization of technical rooms reduces the infrastructure's dependence on fossil fuels by migrating part of this consumption to the actual solar output of the installed photovoltaic structure. In this way, a portion of consumption is shifted to green, self-generated energy, reducing annual energy costs and the infrastructure's impact on the environment.

The Tetradis solution

The product solution used for our customer ARTHD consists of :

• A load-bearing structure designed by TETRADIS combined with Schletter components;
• Six french VOLTEC 400 Wp panels for a total of 2.4 kWp;
• A Hoymiles micro-inverters;
• A Tetradis AC protection box.

But at Tetradis we offer more than just a product solution! We also offer our expertise in the design, dimensioning, construction, management and administration of each technical room solarization project.

Finally, the solution chosen by ARTHD for its three technical rooms in Ariège (09) also includes :

• Deployment of measurement sensors (energy and temperature) and a gateway to collect and process the data needed to operate the infrastructure;
• A 4G connection for data transmission;
• A remote production supervision solution.

Tetradis supports you from the design and implementation phase through to the operation of your infrastructure.


In short, technical room solarization represents a concrete solution for reducing the environmental impact of digital infrastructures while keeping energy costs under control. By collaborating with Tetradis, ARTHD has taken a step towards a more sustainable digital environment in Ariège (France), an approach that could inspire other similar initiatives.

This project demonstrates that it is possible to combine technology and ecology. Thanks to solutions like solarization, we're moving towards a more responsible and sustainable digital future.


Do you want to reduce the environmental impact of your digital infrastructures while optimizing your energy costs?
Contact us today to find out more about our customized technical room solarization solutions and technical support services. Together, let's build a more sustainable digital future!