This is probably the most common HID light on the market, the 400W HID (Metal Halide or HPS) bulb. It’s not hard to find this fixture in a commercial or industrial facility. Along with their associated ballasts, these lights consume around 455 Watts every time they are turned on. Want to learn how to save 75% or more?
100 LED Watts replacing 400 Watts for 12 hrs/day 365 days/yr saving 1577 kw/year *
Cost per kw/h | Savings per year |
.06 | $95 |
.08 | $126 |
.10 | $158 |
.12 | $189 |
.14 | $221 |
.16 | $252 |
.18 | $284 |
.20 | $315 |
* includes ballast draw