Fluorescent light energy rating a power 13 watt energy consumption 13 kwh1000h series philips master pl t socket gx24q light colour warm white light output 900 lumen colour temperature 3 000 k lifespan 7 000 h bulb shape compact fluorescent tube style bulb housing variable intensity dimmable average annual electricity cost 01951 kwh 254 euros source average electricity cost based on figures from eurostat as of 2016