Fluorescent light energy rating b power 32 watt energy consumption 32 kwh1000h series osram dulux te plus socket gx24q light colour neutral white light output 2 400 lumen colour temperature 4 000 k lifespan 15 000 h bulb shape compact fluorescent tube style bulb housing length 145 mm average annual electricity cost 01951 kwh 624 euros source average electricity cost based on figures from eurostat as of 2016