Led bulb energy rating a power 11 watt energy consumption 11 kwh1000h series philips corepro ledbulb equivalent to light bulb 75 w socket e27 light colour warm white light output 1 055 lumen colour temperature 2 700 k lifespan 15 000 h variable intensity not dimmable colour rendering index ra 80 ra length 110 mm diameter 60 mm average annual electricity cost 01951 kwh 215 euros source average electricity cost based on figures from euros