A recognised player in energy distribution, PREFAFRANCE stands as one of the leading French manufacturers of prefabricated HTA/LV substations. Through its modular ranges covering power ratings from 100 to 1000 kVA, the company offers robust solutions compliant with the requirements of the network operator (Enedis) and the strictest standards for safety, environment and architectural integration.
Ranges Adapted to Every Need
PREFAFRANCE substations are available in several standard configurations covering power ratings from 100 to 1000 kVA. Thanks to their modular design, they accommodate dry or oil-immersed transformers, adaptable LV protection, and a wide range of automation systems to meet the needs of urban, industrial or rural sites.
Compliance and Safety First
PREFAFRANCE prefabricated substations are designed in accordance with the main French and European standards:
- NF C 13-200: HTA/LV substation installations (>1 kV)
- NF C 15-100 (2025 version): safety and low-voltage equipment
- NF EN 61936-1 and IEC 60076-11: requirements for oil-immersed and dry transformers
- ICPE: environmental compliance for high-power sites
All models are subject to an operating suitability procedure issued by Enedis, ensuring perfect compatibility with the public distribution network.
Indoor Installations: Rigorous Requirements
Indoor installations carried out by PREFAFRANCE scrupulously meet fire safety and maintenance requirements:
- Non-combustible M0/A2-s1,d0 materials
- Suitable natural or forced ventilation
- No water supply or floor drainage in the transformer room
- Access reserved for authorised personnel, doors opening outward
- Enhanced earthing, equipotential bonding and strict separation of HV/LV circuits
Inspections and Certification
All PREFAFRANCE substations undergo compliance checks by accredited organisations (Apave, Bureau Veritas, etc.) before commissioning. Technical documentation, test certificates and as-built drawings are systematically provided, ensuring full traceability and a high level of operational safety.
The PREFAFRANCE Commitment: Performance and Sustainable Integration
Beyond compliance, PREFAFRANCE takes pride in offering aesthetically pleasing and durable solutions that integrate seamlessly into their environment. Finishes, colours and cladding are customisable, enabling bespoke landscaped or urban integration.
With a range covering 100 to 1000 kVA, PREFAFRANCE establishes itself as a national benchmark for French quality in the field of prefabricated HTA/LV substations, combining innovation, safety and environmental standards.
