Aerospace Company in West Yorkshire
To replace 850 T8 fluorescent twin fittings with 600 of 30 Watt Linear Battens with built in Motion PIR and Light Level Sensors.
The annual cost of operating the existing lighting system was £93,874
Annual cost of operating LED is £14,013
Annual savings from LED is £79,861
Investment into LED was £70,952
Payback in 0.89 years
Annual ROI is 112.56%
Annual Carbon savings from LED is 343 tonnes
Lifetime savings from investment into LED is £335.468
Lifetime Carbon savings from LED is 1,778 tonnes
Workers in this pre-war factory commented the difference between the fluorescent tubes and the LED Battens is as dramatic as the difference between night and day.