Halogen light pin socket bulb power 100 watt energy consumption 100 kwh1000h series osram halostar 24v socket gy6 35 voltage 24 v light colour warm white light output 2 200 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 1951 euros source average electricity cost based on figures from eurostat as of 2016