Lumens/Watt (lpw)

What is Lumens/Watt (lpw)?

Lumens/Watt (lpw) meaning A measure of the efficacy (efficiency) of lamps. It indicates the amount of light (lumens) emitted by the lamp for each unit of electrical power (Watts) used.

 

reference: Glossary – U.S. Energy Information Administration (EIA)

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