LED is more energy efficient, and lasts longer.
The benefits of LED are compelling from an economic perspective:

*As of October 2007 (As of September 2008, typically 20% higher).
Source: Department of Energy, PNNL-SA-50462 –January 2008.
The benefits of LED are also compelling from the perspective of how many
Watts are consumed to produce a similar level of light output for any
typical lighting application. Compare the Watts consumed for typical
lighting applications:

*Average for T8 linear fluorescent