Energy saving bulb power 11 watt energy consumption 11 kwh1000h equivalent to light bulb 60 w socket e27 voltage 230 v light colour warm white light output 680 lumen colour temperature 2 700 k lifespan 8 000 h variable intensity not dimmable average annual electricity cost 01951 kwh 215 euros source average electricity cost based on figures from eurostat as of 2016