Energy saving bulb energy rating a power 9 watt energy consumption 9 kwh1000h series megaman ultra compact equivalent to light bulb 45 w socket e27 voltage 230 v light colour warm white light output 405 lumen colour temperature 2 700 k lifespan 15 000 h bulb shape standard average annual electricity cost 01951 kwh 176 euros source average electricity cost based on figures from eurostat as of 2016