Nick Rosen, joining the show from London, is one of the world’s premier experts on off-the-grid living. Rosen, a documentary filmmaker, was shooting in New York City in 2003 during the infamous East Coast power outage, and it really opened his eyes to society’s reliance on a constant energy stream. Nick Rosen, joining the show from London, is one of the world’s premier experts on off-the-grid living. Rosen, a documentary filmmaker, was shooting in New York City in 2003 during the infamous East Coast power outage, and it really opened his eyes to society’s reliance on a constant energy stream.