Discharge lamp power 100 watt energy consumption 100 kwh1000h series philips master sdw socket pg12 light colour warm white light output 5 000 lumen colour temperature 2 550 k lifespan 10 000 h bulb shape tubular style glass bulb colour rendering index ra 80 ra length 149 mm diameter 32 mm average annual electricity cost 01951 kwh 1951 euros source average electricity cost based on figures from eurostat as of 2016