The energy you use for air conditioning can be reduced in a sustainable way, the University of the Sunshine Coast (USC) in Queensland, Australia installed a three-stage ‘water coil’ to reduce both energy demand and cost.

A “water coil” to reduce air conditioning costs.

the thermal energy storage system It will use a large water tank cooled by a “complex thermal process” using 6,000 photovoltaic solar panels installed on USC’s Sippy Downs campus.

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The cooling and storage system is combined with 2.1 MW of on-site photovoltaic solar power distributed between campus rooftops and parking structures, which the University says is sufficient to cool 4.5 megaliters of water. . The three-stage 7 MW water tank system was designed and built by a team from the university, in collaboration with energy and utility company Veolia.

USC says its “water battery” will help “reduce energy use by 40%” at Sippy Downs, its largest campus. Chilled water will be stored and then used for air conditioning, which is currently its biggest consumer of electricity. USC Vice Chancellor Greg Hill said reducing this intensive energy use is a “big step towards” USC’s goal of carbon neutrality.

This technology has the potential to change the way energy is stored on a large scale and we hope other organizations will be inspired and copied. The team behind this is already sharing the technology with schools, universities, and businesses around the world.

In addition to the sharp reduction in carbon dioxide emissions – USC wants to be carbon neutral by 2025 – the university estimates it could save A $ 100 million over the projected 25-year lifespan of the project. drums.

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More information: www.usc.edu.au