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‘Flow machine’ maker redT supplies vanadium-lithium hybrid energy storage system in Australia

Four months after its CEO declared to Energy-Storage.News that hybrid vanadium redox flow-lithium systems would be the “optimal” way to deliver multiple applications for energy storage, redT has delivered equipment to its first such project.

UK-headquartered redT, which makes energy storage systems based on the redox flow technology said yesterday that it has sold a 300kW / 1MWh “hybrid” energy storage system to Melbourne’s Monash University in Australia. The company said this marks two firsts: the delivery of Australia’s first flow-lithium hybrid system and redT’s first deal in the country.

CEO Scott McGregor, who has famously banned employees from defining the systems as “batteries”, instead calling them “flow machines”, said in a June interview that combining the “workhorse” properties of vanadium systems with the more high power capabilities of lithium could deliver the “the lowest cost, highest function out of the two technologies”.

The system at Monash uses 900kWh of redT energy storage, combined with a 120kW C-1 rated lithium battery, to be installed at a biomedical research and learning facility at the university. It will be paired to on-site PV generation and will help maximise the use of renewables, reducing energy costs in a country where abundant sunshine, high electricity costs and isolated grid networks have created a sort of perfect storm of market conditions for PV and latterly for energy storage.

It is hoped the hybrid system will generate both revenues and savings for the university, with plans to offer its capabilities into markets for merchant and contracted grid services in future. It is being integrated into a university-wide microgrid project, which is being deployed in partnership with Monash Energy Materials and Systems Institute (MEMSI). Under that project, the reliability and stability of the local grid is being boosted by the integration of renewables and there is also intent to create a peer-to-peer energy trading network using the microgrid.

“Why you would look at hybrid is if you think of the flow machine as your workhorse, it’ll do 60%-80% of the work, it’s really boring, just sit there pumping energy and liquid all the way round many times a day, it will never degrade and you want to utilise that as much as you can,” McGregor had said earlier in the year in explaining the appeal and potential strengths of the hybrid concept.

Read full article at Energy Storage News