Used for creating as much visible light as possible, HID (High Intensity Discharge) light bulbs are most often seen in places like gymnasiums, large retail spaces, stadiums and warehouses, but you can also see HID light bulbs utilized in street lights, automotive lights and home flood lights.
The type of output you get from HID lights depends on the type of bulb you’ve selected.
High-Pressure Sodium Bulbs
Utilizing, on average, about 100 lumens per watt, high-pressure sodium lights are very efficient and are most often used for lighting outdoor areas like parking lots and roadways.
By vaporizing mercury and metal halides, metal-halide bulbs are known for their quality white light that is closest in frequency to daylight. MH lamps are most commonly used in stadiums, plant growing and other urban applications.