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Multi-Plant Predictive Optimization at UW Madison

Summary The University of Wisconsin has 4 chilled water plants providing up to 75,000 tons of cooling to 23 million square feet of campus buildings. Cooling is generated with 14 steam and electric chillers as large as 8,500 tons. This presentation will discuss the challenges and preliminary...


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Chiller Performance Improvement Via Tube Fouling Prevention at UW-Madison

Summary UW-Madison trialed Automatic Tube Cleaning System (ATCS) technology on an evaporator and condenser of a 4,000-ton chiller in 2018. The results were compared to an identical chiller without the technology as well as past historical data. This presentation will review the results of this...


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Construction Considerations for a CHP Facility Conversion in a Clustered Urban Setting

Summary When the State of Wisconsin decided to change the UW-Madison coal plant conversion from biomass to natural gas, it eliminated many environmental concerns, but did not eliminate the construction difficulties of retrofitting a major CHP facility in a clustered urban/campus setting. This...


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Chilled Water Plant Expansion and Dispatch Techniques at the University of Wisconsin-Madison

Summary Chilled water is provided to nearly 20.0 million gross square feet of University of Wisconsin-Madison (UW) campus facilities plus several private customers by one of three utility plants; Charter Street, Walnut Street and West Campus Cogeneration. Since 2006, UW has added over 3.0...