Discharge lamp power 150 watt energy consumption 150 kwh1000h series osram powerstar hqi r light colour neutral white light output 11 000 lumen luminous intensity 11 000 cd colour temperature 4 200 k lifespan 9 000 h uv filter average annual electricity cost 01951 kwh 2927 euros source average electricity cost based on figures from eurostat as of 2016