Halogen light pin socket bulb reflector lamp energy rating c power 40 watt energy consumption 40 kwh1000h series paulmann maxiflood socket gu10 voltage 230 v beam angle 100 lifespan 1 500 h bulb shape reflector variable intensity dimmable average annual electricity cost 01951 kwh 78 euros source average electricity cost based on figures from eurostat as of 2016