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Topic planner: Lighting awareness


This topic helps you….. “Highlight to staff how they can contribute to reducing the energy used by lighting”

Use this information to highlight the importance of lighting energy use and encourage people to stop wasting it.

Messages around lighting should direct people to where they can have a real influence. Messages should be placed in strategic positions, i.e. stickers on light switches, posters on doors/walls so that people see these messages at opportune moments; also e-mail reminders. Also think of areas where lighting is really wasted when people are not occupying the area, e.g. canteen or conference rooms.



Use these resources to help promote lighting energy saving:

PosterStaff PresentationEmail RemindersEnergy Fact TranslatorHome Energy Lighting Tips
Energy awareness posterPreparing the caseEmail remindersEnergy fact translatorcartoon image of a living room with furniture and energy efficient light bulbs
Readymade presentation to management on the case for running a campaign Presentation templates helping you build a great presentation to staff about saving energyA template for setting your campaign budget. Simply input your own figures. A selection of themed images you can use in presentations. Guides, information, tips and links on saving energy on lighting in the home

Did you know?

  • Lighting accounts for about 25% of electricity usage in a commercial building. Source Carbon trust website
  • Lighting represents one of the biggest opportunities to save energy at work and improve the working environment.
  • Switching off the lights overnight in an empty meeting room throughout the year can save 8 times your weight in CO2 emissions.
  • One large office lit overnight wastes enough energy to drive a small car more than 200km.
  • Leaving 1 external light on overnight uses the same amount of energy as lighting 36 living rooms with energy saving bulbs for the same period.

Lighting energy-saving tips at work

  • Always switch off lights when you leave an unoccupied room*.
  • If you’re lucky enough to have a space with natural light – use it! Take advantage of natural daylight as much as possible.
  • Open curtains and blinds to let in daylight, but ensure that glare isn’t a problem.
  • Don’t block out the daylight by placing posters or other material on the windows.
  • Regularly clean windows and roof-lights. Dirt on vertical windows can reduce performance by 10% and even more if the dirt is allowed to build up on roof-lights.
  • Make sure that lamps and light fittings are clean. Dirt can reduce lamp efficiency by 20-25%.
  • Use a desk lamp instead of switching on overhead lights.*
  • Label the light switches in your area so that people know which lights to switch on.
  • Place your computer screen perpendicular to the window to avoid glare from daylight.
  • Do not light areas that are not being used.*
  • Do not switch on lights at the windows (or switch them off) if daylight is sufficient.
  • If necessary, switch on the lights furthest from the window first.
  • Switch off lights in rooms, workspaces, corridors, toilets, storage areas, restrooms, work and break rooms and other areas when not needed.*
    * Unless required for health and safety reasons

Energy saving at home

Visit the power of one lighting page for guides, information, tips and links on saving energy on lighting in the home.

Why not order some guides from SEAI to hand out to staff? You can order or download the following guides (and more) from SEAI:

  • Power of One - An introduction to energy saving
  • Householders, be your own energy manager guide
  • Sustainable energy what it means for you
  • Efficient Home Heating guide - Your Options
  • Your Guide to Electricity in the Home
  • Top Tips for Household Electricity Saving

Consider these facts when delivering information on energy saving in the home:

  • A normal 100 watt bulb uses one unit of electricity every 10 hours.
  • Use lower wattage, energy saving light bulbs where feasible – most use only 20% of the energy that ordinary bulbs use.
  • A typical 11W low energy light bulb will produce as much light as a 60W ordinary light bulb – you get the same amount of light, but using only about 1/5 the amount of electricity.
  • Another way of saying this is that low energy light bulbs are 5 times more efficient than ordinary light bulbs.
  • Compact fluorescent bulbs (CFLs) use 80% less electricity than ordinary bulbs to produce comparable light and last up to 10 times as long
  • Compared to use of an ordinary light bulb, an energy saving bulb saves the environment 13 kilos of CO2 for every hour that the bulb is lit.

Lighting Myths

FICTION   It takes more energy to start a fluorescent light than it takes to run it.
FACT A fluorescent tube uses hundreds of times more energy if left on for 15 minutes than the energy needed to restart it.
FICTION  Turning a fluorescent light on and off will wear it out quickly.
FACT If you are not going to use a fluorescent light for more than 15-20 minutes, then it is more economical to turn it off

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