Fluorescent light energy rating b power 32 watt energy consumption 32 kwh1000h series osram dulux te plus socket gx24q light colour warm white light output 2 400 lumen colour temperature 3 000 k lifespan 15 000 h bulb shape compact fluorescent tube style bulb housing average annual electricity cost 01951 kwh 624 euros source average electricity cost based on figures from eurostat as of 2016