Collect energy from District Wastewater “Eleven years ago when I started, everybody thought I was crazy,” said Lynn Mueller, chairman and chief executive officer of SHARC Energy. “’Why would you want to be in that medium? Why do you want to fool around with other people’swaste water waste?’ “But the sewer systems are the common artery to every city, so that made it pretty easy. Everybody in the city puts their waste into one system. It made it pretty accessible and just the amount of energy available is worth it. It’s a trillion dollars a year of energy in the form of hot water put down the drains of the world.ReadMore: