Discharge lamp power 20 watt energy consumption 20 kwh1000h series philips master colour cdm tm mini socket pgj5 light colour warm white light output 1 650 lumen colour temperature 3 000 k lifespan 12 000 h bulb shape tubular style glass bulb variable intensity not dimmable average annual electricity cost 01951 kwh 39 euros source average electricity cost based on figures from eurostat as of 2016