Fluorescent light energy rating a power 16 watt energy consumption 16 kwh1000h series philips master tl d eco socket g13 light colour neutral white light output 1 300 lumen colour temperature 4 000 k lifespan 15 000 h bulb shape tube light style glass bulb average annual electricity cost 01951 kwh 312 euros source average electricity cost based on figures from eurostat as of 2016