When compare LED lighting to fluorescent T5 tubes, they have about same energy to lumen ratio.
|Minimum light output (lumens)||Electrical power consumption (Watts)|
On the other hand, use omnidirectional light source in a directional lamp application would need reflective panel to put as much as light into use instead of just get wasted. In some application such as ceiling light, street light or shop light could save 50% of energy compare to fluorescent luminary.
Easy LED lighting has just the right products for that kind of work. Check out our links
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See 30 watt LED shop light compare to LED bulbs in 38 watt