Halogen light pin socket bulb reflector lamp power 100 watt energy consumption 100 kwh1000h series osram hlx xenophot socket g6 35 voltage 12 v light colour warm white colour temperature 3 200 k lifespan 50 h bulb shape reflector diameter 51 mm average annual electricity cost 01951 kwh 1951 euros source average electricity cost based on figures from eurostat as of 2016