Halogen light energy rating c power 200 watt energy consumption 200 kwh1000h series philips esline philips ecohalo socket r7s voltage 230 v light colour warm white light output 4 000 lumen colour temperature 2 900 k lifespan 1 000 h bulb shape halogen rod style glass bulb variable intensity dimmable length 117 mm diameter 11 mm average annual electricity cost 01951 kwh 3902 euros source average electricity cost based on figures from eu