At a glance
Upgrading from static lighting to dynamic lighting control with motion detection in warehouses can reduce energy consumption and CO₂ emissions, and slightly reduce OpEx.
The case in context
Older warehouses may still deploy static lighting without motion detection. In a typical manual warehouse, work is conducted only in a fraction of the aisles at the same time. Therefore, most of the lights within the racking area can be turned off at any given time to reduce energy consumption, save costs and reduce CO₂ emissions. This can be achieved by retrofitting the warehouse with a dynamic light control system paired with passive infrared presence detection within the aisles.
A closer look: case details and parameters
For this scenario, we compared the use of wide aisle racking and static lighting to the deployment of dynamic light control to reduce lighting to 10% brightness in areas not being used. All other parameters were the same in both cases. We assumed the cost of retrofitting motion detection sensors to be 15% of the delivery and installation cost of a new lighting system. Furthermore, we assume the following usage distribution of racking aisles: 20% of the racking is accessed 95% of the time; 30% of the racking is accessed 50% of the time; and 50% of the racking is accessed 30% of the time.
Results
In our comparison, the warehouse using dynamic light control demonstrated a 40% reduction in electricity consumption and CO₂ emissions compared to the warehouse using static lighting. This reduction is purely due to reduced lighting in racking areas not in use.
Evaluation: easy implementation makes this lever one to combine with others for greater overall impact
Retrofitting static lighting with a dynamic light control has a moderate-to-low impact on CO₂ savings and a low impact on OpEx savings compared to other examined cases. However, given the low complexity and upfront costs required, this measure can be implemented easily. When combined with other measures presented in this study, it can contribute to a significant overall reduction in CO₂ emissions and OpEx.
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