In 2022, the Village of Heyworth wastewater treatment plant, a 1.0 MGD lagoon system, faced an electric supply hike of nearly 78%. This hike increased their overall electric bill by about 40% and drove annual operating costs up over $12,000 per year. The Village Engineer, David Shafer, had already been implementing energy conservation measures at the plant to address rising energy costs. Installing LEDs in their plant office and lift stations lowered their overall energy use, as did installing a flow-paced aeration system for the primary lagoon, but more would need to be done to keep operational costs under control. To identify deeper opportunities for energy savings, David reached out to the Smart Energy Design Assistance Center (SEDAC) for an energy assessment of their plant.