SANERGRID Group – Experts in high-voltage substations and transformer infrastructure specialized in the engineering, manufacturing, distribution, and servicing of solutions for power transformers and high-voltage substations. The group is structured around four specialised entities — SYNERDIS, SANERGRID, SONEC, and TECHNIKELEC — enabling complete lifecycle support for substation and transformer projects. Official website

SYNERDIS – Electrical equipment distribution and representation
SYNERDIS is the group’s distribution and representation entity, offering a broad portfolio of electrical equipment and transformer technologies.

Representation of manufacturers such as Kolektor ETRA® (oil transformers) and TrafoELETTRO® (dry-type)
Supply of transformers and electrical apparatus:

Bird protection systems (MIDSUN® covers and barriers)
Insulator coatings (HVIC silicone)
Anti-corrosion coatings (GALVAGRID®)
Accessories for transformer protection and upgrades
SYNERDIS product line overview

SANERGRID – Engineering and environmental protection systems
SANERGRID is the group’s engineering and manufacturing core, designing safety and risk-mitigation solutions for substations.

EXTICOV CCF and LHD® : Patented passive fire-extinguishing gratings
PETRO PIPE®: Hydrocarbon filters that self-block when saturated
Retention systems: Oil bunds, pits, and containment tanks
Drainage and pollution control kits: For stormwater and leak compliance
Coatings and civil-integration products: For retrofits and new builds
SANERGRID product categories

SONEC – Turnkey services and site support
SONEC is the group’s services division, offering technical and project support for transformer-related infrastructure works.

Site supervision and installation coordination
Turnkey projects: Fire protection, filtration, bund systems
Audit and retrofitting of environmental compliance
Support across Europe and North America via partners
SONEC services

TECHNIKELEC – E-commerce for parts and accessories
TECHNIKELEC is the group's e-commerce platform for spare parts, tools, and consumables for transformer installations.
Compatible with SYNERDIS and SANERGRID solutions
Shop online at TECHNIKELEC

Sanergrid - Model ERT - Extinguishing Retention Tank Brochure