The attractive attributes of LEDs including high efficiency, low temperature, low voltage and small size, have always been solid rationale for their amazing potential.  With evolving technology the inverse relationship between light output and cost are bringing LEDs into the value 'sweet spot' for many commercial retrofits.  As mentioned in this Greentech Media article by Katherine Tweed, payback on LEDs in commercial retrofits are now into the 1.5- to 2-years range and suppliers (Redwood included) are seeing strong demand and year-over-year growth.  As the article mentions, environments that benefit most from LED's strengths are first to adopt such as cold storage and data centers.  But there are plenty of other applications that will find value in retrofitting to save energy, heat or size, reliability, etc.  In addition to data centers, Redwood has also seen growth in office space, retail and education applications. 

What other applications do you see becoming mainstream as the LED value equation continues to improve?