Halogen light pin socket bulb energy rating d power 28 watt energy consumption 28 kwh1000h series philips ecohalo socket g9 voltage 230 v light colour warm white light output 346 lumen colour temperature 2 800 k lifespan 2 000 h style glass bulb variable intensity dimmable diameter 13 mm average annual electricity cost 01951 kwh 546 euros source average electricity cost based on figures from eurostat as of 2016