Emergency power and electrical continuity for critical infrastructure
Backup generators, UPS systems, automatic transfer switches and continuity plans: EOS Électricité designs emergency power systems sized to protect your critical loads, including under the most demanding scenarios.
Electrical continuity is an engineering decision, not an accessory
An operating theatre, a server room, a continuous production line or a process-driven industrial site cannot sustain a prolonged outage without serious consequences. Emergency power is neither an option nor a single device: it is a complete architecture — backup sources, automatic transfer switches, UPS, load-shedding schemes and recovery scenarios — sized against the expected level of availability and the nature of the loads to be protected. EOS Électricité designs, deploys and maintains these systems for sites where downtime is not acceptable.
Challenges of a backup system
Transfer time
Some loads tolerate a microcut, others do not — the UPS versus generator decision follows from that.
Autonomy
Tanks, refuelling and logistics must cover the duration of the chosen scenario.
Redundancy
N+1, 2N, active redundancy: the level must match the real criticality of the loads.
Periodic testing
A backup system that is not regularly tested is not a backup system.
A backup architecture sized by criticality, not by floor area
We start from your critical loads — not from your building. We classify them by tolerable transfer time, required autonomy and expected level of redundancy. The resulting architecture combines UPS for seamless continuity, generators for autonomy, and automatic transfer switches for the handover.
Technical expertise engaged
Backup generators
Sizing, choice of fixed or mobile topology, sound attenuation and management of exhaust.
UPS
UPS sizing, topology choice (line-interactive, double conversion), battery management.
Automatic transfer switches
Source inverters, seamless transfers, coordination with upstream protection.
Redundancy
N+1, 2N and 2(N+1) architectures matched to criticality, with independent distribution paths.
Testing and maintenance
Periodic testing programmes, measurements and documented operating log.
Typical applications
- Operating theatres and critical care units
- Server rooms and data centers
- Industrial sites with continuous processes
- Command and telecommunications centres
- Public-access buildings with high occupancy
Project methodology
Assessment
Mapping of critical loads, tolerable transfer times and outage scenarios.
Engineering
UPS + generator architecture, redundancy, autonomy and transfer coordination.
Design
Backup single-line diagrams, calculation notes, layout drawings and ventilation.
Delivery
Installation, connections, transfer tests and load tests.
Commissioning
Fine tuning, full-scale testing and handover of the periodic testing protocol.
24/7 support
Preventive maintenance, periodic testing and emergency response.
Benefits of a well-engineered backup system
Real availability
A tested architecture aligned with the outage scenarios you have chosen to cover.
Controlled transfers
Seamless transfer on sensitive loads and documented handover to the backup source.
Useful autonomy
Tanks and fuel logistics sized to cover the real duration of the event.
Targeted redundancy
A level of redundancy that matches criticality, without wasteful over-spend.
Traceability
Operating log, periodic tests and intervention reports documented.
Fast response
A team reachable for 24/7 emergency requests whenever continuity is at stake.
Frequently asked questions
Secure the electrical continuity of your infrastructure
Tell us about your critical loads and the scenarios you want to cover. Our engineers come back with a reasoned architecture.
Electrical continuity at risk? Our emergency team is reachable 24/7.