Fluorescent light energy rating b power 80 watt energy consumption 80 kwh1000h series philips master pl l socket 2g11 light colour neutral white light output 5 500 lumen colour temperature 4 000 k lifespan 15 000 h bulb shape compact fluorescent tube average annual electricity cost 01951 kwh 1561 euros source average electricity cost based on figures from eurostat as of 2016