Replacing anoxic zone mixers with much more energy-efficient units is saving more than $22,000 per year for a water pollution control facility in Connecticut.
In pursuing its goal to achieve net zero carbon, the town of Fairfield (population 60,000), wanted to reduce the operating costs of mixers that ran around the clock. The change was part of a capital improvement plan to replace aging assets with modern and more energy-efficient equipment.
“Like all treatment plants, we have been a very big electricity user,” says John Bodie, superintendent of the Fairfield Water Pollution Control Facility. “But when we reviewed our energy usage and
