FRENNL

Our projects

Projects delivered for manufacturers, logistics sites and commercial buildings. For confidentiality, we describe the type of site rather than naming the client.

Expertise
Sector

12 projects

Mise en valeur des bâtiments par l'éclairage

Local authoritiesElectrical work for buildings

Converting a 9,500 m² brownfield site into a range of visitor facilities

Avesnes area, 2026

Context
Refurbishment and reorganisation of several spaces, including a restaurant, accommodation, a cycle-tourism hub, a tourist office and a cultural venue. The main aim of the project is to boost the area's appeal to visitors.
Work carried out
Five electricity metering points, complete power and low-current distribution, lighting of the interiors and façades. Installation of intruder alarm, CCTV, access control, video door entry and fire alarm systems.
9 500 m²Complete site refurbishment
Laboratory Analysis Tracking

Chemicals and pharmaceuticalsIndustrial intelligence and data

A quality application that removes a re-inspection step

Hauts-de-France, 2025

Context
A European lubricant production site wanted more reliable quality checks and better performance tracking.
Work carried out
Formula database, operator notifications, label printing and OEE tracking in a single application.
1checks per day and per deleted line
Site photo coming soon

IndustryMedium voltage and electrical engineering

Replacement of an ageing MV substation

Valenciennes area, 2024

Context
The incoming substation of a manufacturing site had reached the end of its life and no longer met the grid operator's requirements.
Work carried out
Design, removal of the old substation, installation of a new one, connection and commissioning coordinated with the grid operator.
100 %compliant with grid requirements
Site photo coming soon

Healthcare and social careAutomation and control

Renovation of a boiler room control system

Valenciennes area, 2026

Context
The boiler room of a healthcare facility ran on an outdated control system that was hard to operate.
Work carried out
New electrical cabinet with PLC, sensors and valves, connected to the heating network's SCADA system.
1centralised SCADA
Site photo coming soon

IndustryMedium voltage and electrical engineering

Electrical supply for a new production building

Hauts-de-France

Context
A refractory materials manufacturer was building a new building and needed its full electrical supply.
Work carried out
Prefabricated HV substation, main switchboard, process power, low-current systems, fire and intrusion detection.
800 kVAof installed capacity
Site photo coming soon

IndustryMedium voltage and electrical engineering

Electrical supplies for a production site relocation

Hauts-de-France, 2023-2025

Context
A production site was relocating its machines to new premises and needed all its electrical supplies reinstated there.
Work carried out
Power supply for the relocated machines and separate metering of production and general consumption with the grid operator.
1point of contact for the whole relocation
Site photo coming soon

RailMedium voltage and electrical engineering

MV substation maintenance for a rail site

Hauts-de-France, 2025

Context
A rail site needed to track the ageing of its MV substations to meet its insurers' requirements.
Work carried out
Maintenance of the MV substations from level 1 to level 4, with monitoring of equipment ageing.
4maintenance levels carried out
Site photo coming soon

LogisticsElectrical work for buildings

Full electrical works for a warehouse extension

Douai area, 2025

Context
A logistics warehouse was expanding by 6,000 m² and needed a new electrical supply and fitted-out offices.
Work carried out
240 kVA medium-power grid connection, main switchboard, 300 m² of offices, dimmable LED lighting, type 4 alarm and hydrogen detection.
6 000 m²of warehouse fitted out
Site photo coming soon

RetailElectrical work for buildings

Electrical works for a new retail unit

Nord department, 2025

Context
A new retail unit needed to be fitted out before opening, on a tight schedule.
Work carried out
Main switchboard, IT cabinet with UPS and store lighting.
1store opened on schedule
Site photo coming soon

IndustryAutomation and control

PLC retrofit for an industrial laboratory

Valenciennes area, 2026

Context
An industrial laboratory was running on an obsolete PLC that was increasingly hard to maintain.
Work carried out
Functional analysis, retrofit to a current PLC range and a new human-machine interface.
1line back in production
Site photo coming soon

RailMachine safety and security

Safety upgrade for a rail maintenance workstation

Hauts-de-France, 2025

Context
A workstation in a rail workshop needed to be made safe to protect operators working near the machine.
Work carried out
SISTEMA study, installation of type 4 light curtains and a fenced enclosure, with sign-off by an approved body.
Type 4safety level of the light curtains
Site photo coming soon

LogisticsMachine safety and security

Bespoke pedestrian crossing inside a warehouse

Hauts-de-France, 2026

Context
Inside a warehouse, pedestrians crossed forklift traffic at a point with no dedicated signalling.
Work carried out
Bespoke audible and visual pedestrian crossing, with detection, beacons and magnetic-release gates.
0unsignalled pedestrian crossing