Fluorescent light energy rating b power 55 watt energy consumption 55 kwh1000h series philips master pl l socket 2g11 voltage 101 v light colour warm white light output 4 800 lumen colour temperature 3 000 k lifespan 15 000 h bulb shape compact fluorescent tube average annual electricity cost 01951 kwh 1073 euros source average electricity cost based on figures from eurostat as of 2016