Industrial Site in Oxfordshire
To replace a mixture of 450 external SON floodlights and IP65 fluorescent fittings with LED equivalent lamps and fittings
The results:
The annual cost of operating the existing lighting system was £37,573
Annual cost of operating LED is £11,887
Annual savings from LED is £25,686
Investment into LED was £44,382
Payback in 1.73 years
Annual ROI is 57.87%
Annual Carbon savings from LED is 149 tonnes
Lifetime savings from investment into LED is £190,246
Lifetime Carbon savings from LED is 1,380 tonnes
In addition to the obvious cost savings the site manager commented that the tanker drivers entering the site in hours of darkness found visibility so much improved making a much safer working environment.