Photo par Dimitry B via Flickr (CC BY 2.0)In short:
- Remote management acts on two distinct items: electricity consumption and the organisation of maintenance.
- Dimming in the middle of the night is the most direct consumption lever.
- Maintenance shifts from systematic replacement to intervention on reported faults.
- An often underestimated side effect is obtaining an up-to-date inventory of the estate, rarely available at the start.
The two items concerned
Connected street lighting designates an estate whose light points can be controlled and report their state. The expected gains follow two different logics, better examined separately.
Consumption
The main lever is modulation. A route can be lit at full output during traffic hours and dimmed in the middle of the night. The gain depends on the usage profile and on safety obligations, which vary from one road to another.
Maintenance
Without remote management, a fault is discovered by survey round or by a resident’s report. With it, the light point reports its own state, which makes it possible to group interventions by sector.
The side effect on knowledge of the estate
Many authorities have no reliable inventory of their lighting estate: neither the exact number of points, nor their age, nor their technology. Deploying remote management forces that inventory to be built.
| Before remote management | After |
|---|---|
| Partial or obsolete inventory | Up-to-date record |
| Fault known through reports | State reported by the equipment |
| Fixed output | Modulation by time slot |
| Systematic replacement | Targeted intervention |
That inventory then feeds the same uses as monitoring the energy retrofit of public buildings.
The contractual point to watch
A lighting estate is renewed in phases over several years. If each phase arrives with its own proprietary protocol, the authority ends up with several non-communicating systems. The requirement for a documented exchange format must therefore appear from the first phase, failing which neither the territorial data platform nor urban hypervision will be able to use the estate.
Frequently asked questions
What does connected street lighting bring to a municipality?
Connected street lighting makes it possible to modulate light output by time and location, and to know the state of each light point without a survey round. The gain falls on two distinct items: electricity consumption, reduced by dimming in the middle of the night, and maintenance, which shifts from systematic replacement to intervention on reported faults. Remote management also produces an up-to-date inventory of the estate, which is often missing at the start.
Do all luminaires have to be replaced to move to remote management?
Not necessarily in one go. The transition usually proceeds in phases, starting with the highest-consuming routes. Keeping the system coherent does require a documented protocol from the first phase onwards.
Does remote management raise a personal data issue?
Lighting on its own produces technical data about equipment, not about people. The issue arises when presence detection sensors or cameras are added to the same columns, which then falls under a different legal regime.