Halogen light incandescent light energy rating c power 70 watt energy consumption 70 kwh1000h series philips ecoclassic30 a55 equivalent to light bulb 100 w socket e27 voltage 230 v light colour warm white light output 1 200 lumen colour temperature 2 900 k lifespan 2 000 h bulb shape standard style glass bulb variable intensity dimmable diameter 60 mm average annual electricity cost 01951 kwh 1366 euros source average electricity cost