Energy saving bulb energy rating a power 18 watt energy consumption 18 kwh1000h series philips genie esaver equivalent to light bulb 85 w socket e27 voltage 230 v light colour daylight white light output 1 040 lumen colour temperature 6 500 k lifespan 8 000 h bulb shape compact fluorescent tube average annual electricity cost 01951 kwh 351 euros source average electricity cost based on figures from eurostat as of 2016