Fluorescent light energy rating a power 58 watt energy consumption 58 kwh1000h series philips master tl d super 80 socket g13 light colour neutral white light output 5 200 lumen colour temperature 4 000 k lifespan 15 000 h bulb shape tube light diameter 26 mm average annual electricity cost 01951 kwh 1132 euros source average electricity cost based on figures from eurostat as of 2016