Energy saving bulb energy rating a power 20 watt energy consumption 20 kwh1000h series philips master pl electronic equivalent to light bulb 87 w socket e27 voltage 230 v light colour warm white light output 1 300 lumen colour temperature 2 700 k lifespan 12 000 h bulb shape compact fluorescent tube style bulb housing variable intensity not dimmable length 145 mm diameter 48 mm average annual electricity cost 01951 kwh 39 euros source