Energy saving bulb energy rating a power 18 watt energy consumption 18 kwh1000h series philips genie esaver philips eco85 genie equivalent to light bulb 85 w socket e27 voltage 230 v light colour warm white light output 1 100 lumen colour temperature 2 700 k lifespan 8 000 h bulb shape compact fluorescent tube style bulb housing variable intensity not dimmable length 135 mm diameter 48 mm average annual electricity cost 01951 kwh 351 eu