Energy saving bulb energy rating a power 23 watt energy consumption 23 kwh1000h series philips master pl electronic equivalent to light bulb 120 w socket e27 voltage 230 v light colour warm white light output 1 485 lumen colour temperature 2 700 k lifespan 12 000 h bulb shape compact fluorescent tube style glass bulb variable intensity not dimmable average annual electricity cost 01951 kwh 449 euros source average electricity cost based on