Fluorescent light energy rating b power 5 watt energy consumption 5 kwh1000h series philips master pl s socket g23 light colour warm white light output 250 lumen colour temperature 2 700 k lifespan 10 000 h bulb shape compact fluorescent tube style bulb housing variable intensity not dimmable average annual electricity cost 01951 kwh 098 euros source average electricity cost based on figures from eurostat as of 2016