The document compares electricity consumption, natural lighting, lighting habits, types of light bulbs used, and recycling practices across several European countries. It finds that annual electricity consumption varies widely, from 148,090 kWh in Reunion to 1,035,154 kWh in Sweden on average. Countries differ in their access to natural light in classrooms and when lights are turned off, with some always keeping lights on while others turn them off when rooms are empty. A variety of light bulb types are also used, including incandescent, fluorescent, LED, and halogen bulbs.

1. How much do we consume,
how much do we save?

2. Electricity consumption per year
Hungary Reunion
327.840 kWh 148.090 kWh
The Basque Country
183.067 kWh
Portugal Sweden
143.760 kWh Average: 1.035.154 kWh
367.602 KWh

3. Natural light
Hungary Reunion Portugal The Basque Sweden
• good • good Country • no natural
• mainly
natural natural natural • not much light
light light light natural
light

4. Leaving lights on…
• Hungary
– Usually the lights are turned off
• Reunion
– An automatic system turns the lights off
• The Basque Country
– Lights are always on
• Portugal
– When the classrooms are empty the lights are turned
off
• Sweden
– In some classrooms the lights are always on

5. Types of light bulbs
1. Incandescent
2. Fluorescent light
3. LED
4. Halogen lights

6. Incandescent
It has been
banned
since 2012

7. Fluorescent light

8. LED

9. Halogen lights

10. What kind of lights are used?

11. Electrical devices

12. Recycling