Energy saving bulb led bulb fluorescent light energy rating a power 145 watt energy consumption 145 kwh1000h series philips master ledtube socket g13 voltage 240 v light colour warm white neutral white light output 1 600 lumen colour temperature 4 000 k beam angle 150 lifespan 40 000 h colour rendering index ra 83 ra length 1 200 mm average annual electricity cost 01951 kwh 283 euros source average electricity cost based on figures