Inoperative Sewage Treatment Plants set to be Solar Powered in Gujarat Updated On Wed, Nov 20th, 2019 by Saurenergy Inoperative sewage and water treatment plants in nearly 170 municipalities across Gujarat are expected to be powered up again with solar power systems According to new information made available by state officials, inoperative and defunct sewage and water treatment plants (STPs/ WTPs) in nearly 170 municipalities across Gujarat are expected to be powered up again with the help of solar power systems. […] Read more