Energy saving bulb globe light energy rating a power 20 watt energy consumption 20 kwh1000h series megaman globe socket e27 voltage 230 v light colour warm white light output 1 151 lumen colour temperature 2 700 k lifespan 17 000 h bulb shape globe variable intensity not dimmable diameter 100 mm average annual electricity cost 01951 kwh 39 euros source average electricity cost based on figures from eurostat as of 2016