how much power does a high bay light use?
0A high bay light typically uses 100W–240W, with larger fixtures exceeding 300W. A 150W fixture running 10 hours consumes about 1.5 kWh per day.
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This question usually comes up after fixtures are already chosen. Someone stands in the space, looks up, and realizes the lights can’t just be “evenly spread” and forgotten.
So, how far apart should LED high bay lights be spaced in a real warehouse or factory?
The short answer: it depends on height, beam angle, and what happens on the floor below.
There is a starting point, but it’s not a fixed number.
In most industrial projects, spacing is roughly 0.8 to 1.2 times the mounting height.
For example:
This is only a baseline. It helps avoid major dark zones but does not replace layout checks.
Beam angle changes everything.
A narrow beam throws light farther down, which allows wider spacing, but only works well in tall or aisle-based layouts. Wide beams need tighter spacing to maintain uniformity.
When SEEKINGLED reviews layouts, beam angle is usually adjusted before changing fixture quantity.
Rarely.
Racking areas, walkways, packing zones, and inspection points often need different spacing. Uniform grids look clean on drawings but don’t always match how the space is actually used.
In practice, spacing shifts slightly to follow workflow, not just ceiling geometry.
You’ll still get bright spots under the fixtures, but shadows appear between rows. Operators notice it first. Then forklifts. Then someone asks for extra lights later.
Over-spacing is one of the most common issues we see corrected after installation.
We usually start with height and beam angle, then simulate spacing using real dimensions. The goal isn’t the fewest fixtures — it’s consistent light where people work.
Spacing that looks efficient on paper doesn’t always feel right on site.
Spacing LED high bay lights is about balance. Too close wastes budget. Too far creates uneven light. Most layouts land in between, adjusted slightly for how the building is actually used.
A high bay light typically uses 100W–240W, with larger fixtures exceeding 300W. A 150W fixture running 10 hours consumes about 1.5 kWh per day.
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