The SANERGRID® Group is a Franco-European SME specializing in the high-voltage electrical energy sector.
SANERGRID® Group – Specialist in MV/HV electrical transformers
With more than twenty years of expertise, the SANERGRID® Group is recognized as one of the leading French and European players in the high- and medium-voltage transformer sector, covering everything from supply to protection and industrial risk management related to transformers (pollution, fire, vibration, etc.).
Present at every stage of the electrical transformer lifecycle, from design and maintenance to dismantling, the SANERGRID® Group supports industrial companies, energy providers, and local authorities in their projects by combining performance, safety, and environmental protection.
The SANERGRID® Group brings together four specialized entities: SANERGRID®, SYNERDIS®, SONEC®, and TECHNIKELEC®, offering a global and integrated approach dedicated to electrical transformers.
Our solutions cover:
dielectric oil retention systems,
- fire protection systems,
- rainwater drainage and treatment,
as well as:
- high-voltage equipment distribution,
- on-site installation and maintenance services,
- online sales of technical accessories.
Committed to a responsible energy transition, the SANERGRID® Group partners with major European and North American companies in the high-voltage electrical energy sector. The safety of installations and environmental protection are at the heart of our mission.
From supplying a single accessory to delivering turnkey solutions for complete electrical substations, the Group provides its technical expertise, certified engineering, and responsive logistics across Europe.
Unique expertise for your electrical installations
Energy, environment, and safety: sustainable solutions
The SANERGRID® Group develops comprehensive and eco-responsible solutions for the protection of MV/HV electrical transformers. By integrating safety, compliance, and energy performance requirements, the Group ensures the reliability and long-term sustainability of your electrical infrastructure, regardless of voltage level or site complexity.
Full control of the transformer lifecycle
From design to commissioning, the SANERGRID® Group provides complete lifecycle management for electrical transformers, including:
- engineering studies
- system sizing
- installation
- maintenance
- regulatory compliance
This integrated approach helps reduce risks, optimize performance, and ensure the long-term reliability of your MV/HV equipment.
Four specialized entities to meet your needs
SANERGRID®: Engineering for industrial risk management and environmental solutions
Specialized in environmental and fire protection for electrical transformers, SANERGRID® is our engineering division that designs and manufactures innovative solutions such as:
all compliant with the strictest international and local environmental standards and regularly tested by independent laboratories.
SYNERDIS®: Sales representation and distribution of transformers and MV/HV equipment
Specialized in the supply of high-voltage technical products, SYNERDIS® offers a range of MV/HV power transformers, both oil-filled and dry-type, as well as accessories including:
- bird protection insulation systems,
- anti-corrosion solutions for electrical substations,
- monitoring accessories, and more.
SYNERDIS® supports industrial companies, energy providers, and local authorities with substation expansion, renovation, and equipment replacement projects.
SONEC®: On-site services for electrical transformers and high-voltage substations
SONEC® is the service company of the SANERGRID® Group, specialized in the implementation of our solutions in the field.
Our teams mainly operate in France and cover all key stages of high-voltage projects:
- site surveys and measurements,
- equipment installation,
- supervision and maintenance,
- after-sales service.
With the support of SONEC®, we deliver turnkey projects executed in full compliance with safety and environmental standards.
TECHNIKELEC®: E-commerce platform for transformer accessories
We offer a wide range of accessories and spare parts dedicated to electrical transformer applications.
Developed with leading international electrotechnical brands, our products meet the requirements of highly technical MV/HV industrial projects and ensure the protection of people, installations, and the environment.
We deliver worldwide and maintain safety stock to meet urgent delivery requirements.