Halogen light pin socket bulb power 50 watt energy consumption 50 kwh1000h series osram halostar 24v socket gy6 35 voltage 24 v light colour warm white light output 900 lumen colour temperature 3 000 k lifespan 2 000 h style glass bulb variable intensity dimmable length 45 mm average annual electricity cost 01951 kwh 976 euros source average electricity cost based on figures from eurostat as of 2016