Thanks to the energy of management and staff, the Shelbyville (Indiana) Water Resource Recovery Facility has significantly reduced its energy use.
“Our people did much of the work themselves,” says Kevin Kredit, superintendent. “They rewired and reprogrammed equipment, installed variable-frequency drives and figured out how to reduce equipment use — running only two pumps instead of three for example.”The plant also improved digester gas usage and secured a grant to install solar panels on the grounds. Overall, Kredit says, electricity use has been cut by a third while the costs for energy improvements have been paid back in just over a
