Energy efficient lighting - LED low bay

© Ramil Gibadullin, image #152770838, 2017, source:


Investment cost:
High cost
Cost savings:
Annual: € 988.63 (£ 907)
Investment cost:
€ 305.20 (£ 280) per fitting, € 10 987.2 (£ 10 080) per project; scale of project proportional to the number of luminaires; minimal associated risk, lighting quality of LED must be assured; depending on lamp location, access for maintenance may be required; minimal maintenance required; estimated 25 000 hour lamp service span
High cost
Resource savings: Energy:
Annual: shorter lamp start-up time, improved energy efficiency; 10 080 kWh or 5 043 kg CO2 equivalent

Case for LED low bay

Fitting and lamp replacement with LED low bay, lighting suitable for industrial applications indoors and outdoors (e.g. manufacturing areas, food processing plants, warehouses, parking garages, etc.).

Making lighting energy efficient can help a company achieve significant savings. Estimates show that in the UK, some 20 % of the electricity generated is used for lighting and that over 75 % of lighting installations are thought to be out of date.

Cost-effective changes include the:

  • Lighting technology itself (e.g. LEDs and organic LEDs, or OLEDs, metal halide, fluorescent, etc.),
  • Luminaires (e.g. checking that the light is well diffused)
  • Lighting controls (e.g. installing sensors for better lighting management)
  • Lighting design (e.g. over-lighting a space, or leaving lights on unnecessarily)

There are many low- and no-cost options to help save money and improve lighting operations. They range from 'quick wins' to more significant refits or investments. While quick wins' can deliver instant energy and cost savings, consideration should be given to the potential longer-term gains of a full overhaul.


Consider the three following operations:

  • New construction project: a completely new lighting installation, bearing in mind the future operational costs of the installation
  • Refurbishment: consider the long-term benefits of replacing light systems as part of other planned refurbishments, which could remove existing constraints such as ceiling type or height, space, layout for improved future gain
  • Retrofit: a project where only the lighting is reviewed, and no other works are actively pursued

EAUC-Scotland and Resource Efficient Scotland (RES), Energy Efficiency Technologies Catalogue,…

Carbon Trust (2011), Lighting,

Current powered by GE, Indoor low bay,…

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