The UCI Microgrid Chilled Water Energy Storage System is a 6,590kW energy storage project located in Irvine, California, US.

The thermal energy storage project uses chilled water as its storage technology. The project was announced in 2014 and was commissioned in 2015.


The UCI Microgrid Chilled Water Energy Storage System is owned by University of California Irvine Health (100 %), a subsidiary of University of California Irvine.

The key application of the project is electric bill management.

Contractors involved

University of California Irvine Health has delivered the project.

Additional information

The UC Irvine campus micro-grid operation between January 2009 and December 2013 serves as a case study for how improved utilization of energy storage can buffer demand transients, reduce costs and improve plant efficiency.


All publicly-announced energy storage projects included in this analysis are drawn from GlobalData’s Power IC. The information regarding the projects are sourced through secondary information sources such as country specific power players, company news and reports, statistical organisations, regulatory body, government planning reports and their publications and is further validated through primary from various stakeholders such as power utility companies, consultants, energy associations of respective countries, government bodies and professionals from leading players in the power sector.