how many lumens in 150 watt bulb?
<answer> 2000 lumens <context> Making the world better, one answer at a time. A 150 watt halogen bulb will give off somewhere around 2000 lumens. These lights may give off up to about 2400 lumens.aking the world better, one answer at a time. A 150 watt halogen bulb will give off somewhere around 2000 lumens. These lights may give off up to about 2400 lumens.