KRWG Online BURN: An Energy Journal-The Switch KRWG | By KRWG News And Partners Published June 27, 2013 at 11:38 AM MDT Facebook Twitter LinkedIn Email http://www.youtube.com/watch?feature=player_embedded&v=1dZjohZPIqEThis video explains how the power grid works. Courtesy: BURN: An Energy Journal — The Switch.