Energy saving bulb energy rating a power 30 watt energy consumption 30 kwh1000h series megaman compact 2000 equivalent to light bulb 150 w socket e27 voltage 230 v light colour neutral white light output 1 900 lumen colour temperature 4 000 k lifespan 10 000 h bulb shape compact fluorescent tube style bulb housing variable intensity not dimmable average annual electricity cost 01951 kwh 585 euros source average electricity cost based on fi