WIth all the new gear people are using, Stage Directions asked me to write about the power needed for LED and Automated lighting units. Actually, any unit that has an internal power supply. Here's a PDF of the article published in the May 2015 issue.
Here's a preview:
What type of power do we need for our new LED lighting units and systems? And how much of it? And how do we get it?
The answers to these questions are changing every day with all the new technology being developed by stage lighting manufacturers. Movers have better optics and are using brighter lamps. LED technology is constantly improving along the lines of Haitz’s Law. And mixing all this new gear with traditional fixtures makes things even messier—because we need more and more constant power.