Halogen light energy rating c power 120 watt energy consumption 120 kwh1000h series philips plusline es socket r7s voltage 230 v light colour warm white light output 2 250 lumen colour temperature 2 900 k lifespan 2 000 h bulb shape halogen rod style glass bulb variable intensity dimmable length 78 mm diameter 11 mm average annual electricity cost 01951 kwh 2341 euros source average electricity cost based on figures from eurostat as of