Fluorescent light energy rating a power 32 watt energy consumption 32 kwh1000h series philips master tl d eco socket g13 light colour neutral white light output 3 000 lumen colour temperature 4 000 k lifespan 15 000 h bulb shape tube light diameter 26 mm average annual electricity cost 01951 kwh 624 euros source average electricity cost based on figures from eurostat as of 2016