The opportunity After earning over $1.4 million in PPL rebates from a previous energy efficiency project, Penn State’s Hershey Medical Center was looking for ways to save even more. So, when they discovered an opportunity to upgrade the chillers in their central utility plant, they reached out to PPL’s Business Energy Efficiency Program to collaborate on the project. The project After analyzing trend data, a participating contractor installed variable frequency drives and new meters in the medical center’s chiller system. To further reduce inefficiencies, they also implemented OptimumLoop ® , a configurable control software designed to automatically optimize performance in real time. The results In addition to improving comfort and productivity on campus, the upgrades are expected

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